FIELD OF THE INVENTION
[0001] The present invention relates generally to an electronic lock having a sliding blocking
mechanism that prevents a bolt from moving to an unlocked condition.
BACKGROUND OF THE INVENTION
[0002] Doors of safes, vaults, strong rooms, container and similar security closures (collectively
called "safes" in this application) usually have at least one and preferably several
safe bolts that reciprocate from a non-locking position to an extended locking position.
In the locking position, the safe bolts extend from the safe door into the adjacent
safe walls. When the safe has more than one bolt, bolt works connect the bolts. The
bolt works include linkages that move the safe bolts simultaneously when a user turns
a handle. A locking device cooperates with the bolt works to secure the safe bolts
in their extended locking position.
[0003] Swing bolt or rotary bolt locking devices mount a bolt for pivoting between locked
and unlocked positions. This application refers to the swing bolt within the locking
device as the "bolt," "swing bolt," or "locking bolt." The bolts that secure the safe
door to the rest of the safe are called "safe bolts." In the locked position, part
of the locking bolt projects out of the housing and interferes with a portion of the
mechanical bolt works, thereby preventing the bolt works from moving the safe bolts
to the unlocked position. When the user enters the correct combination, the lock mechanism
allows the locking bolt to pivot to the unlocked position within the housing, thus
allowing the user to open the safe door.
[0004] Rectilinear bolt locking devices operate in a similar manner. In particular, rectilinear
bolt locking devices mount a bolt within a housing for moving between locked and unlocked
positions. Thus, instead of pivoting like rotary bolts, linear bolts slide into and
out of the locking device housing. When the user enters the correct combination, the
lock mechanism allows the locking bolt to slide into the housing. For purposes of
explanation and example, the remainder of the background discussion will focus on
rotary type locking devices.
[0005] In general, a handle on the outside of the safe connects to the bolt works. Rotating
the handle initiates movement of the bolt works. If the user enters the correct combination
which unlocks or releases the locking bolt, the bolt works can pivot the rotary bolt
so that the rotary bolt does not project from the housing. This unlocked position
permits the bolt works to continue moving the safe bolts to the unlocked condition,
allowing the operator to open the safe. If, however, the rotary bolt is locked, the
rotary bolt blocks movement of the bolt works, preventing the bolt works from withdrawing
the safe bolts.
[0006] The locking mechanism within the lock housing blocks the bolt from pivoting to the
unlocked position.
U.S. Pat. No. 5,134,870 and
5,142,890 to Uydeda utilizes a linear solenoid within the housing. Uyeda discloses a solenoid plunger
that directly engages the locking bolt. Alternatively, the solenoid plunger engages
a locking plate that projects against the bolt. When the plunger or plate engages
the bolt, the bolt normally cannot rotate to an unlocked position.
[0007] An electronic combination entry system controls the solenoid. Typically, the user
enters the combination through a digital input pad. Internal circuitry senses entry
of the correct combination and sends an electrical signal to the solenoid. The signal
causes the solenoid to withdraw a plunger, which, in turn, allows the locking plate
to disengage the locking bolt. The user rotates a handle which in turn manipulates
the bolt works. Part of the bolt works pushes on the locking bolt to rotate the bolt
about a shaft to the unlocked position. The bolt works then withdraws the safe bolts.
[0008] One design of a lock assembly is disclosed in
U.S. Pat. No. 6,786,519 to Gartner. Gartner discloses a solenoid mounted within a housing and a plunger on the solenoid
that engages a locking plate. When the lock is in the locked condition, the locking
plate engages the locking bolt, preventing the swing bolt from pivoting. When a user
enters the correct combination, the plunger disengages the locking plate so that the
latter is free to slide out of its engagement with the locking bolt.
[0009] Unfortunately, mechanisms such as the one disclosed in '519 to Gartner provide insufficient
protection against unauthorized access into the safe. Solutions such as those disclosed
by Gartner and Uyeda that utilize linear solenoids to control movement of a plunger
into and out of a locking bolt or a locking plate provide insufficient protection
against unauthorized entry into a safe. In the locked position, the plunger connected
to the linear solenoid is extended such that it engages with, for example, a rotary
locking bolt. In the unlocked position, the plunger retracts such that it no longer
engages with the locking plate, thereby allowing the locking bolt to freely rotate.
A problem arises when the linear solenoid, an electromagnetic device, receives a "shock."
Shock can be a result of physical tampering, applied force, vibration, etc. Typically,
when a linear solenoid receives a shock, it causes an extended shaft (or in this case,
the plunger) to retract in reaction to the shock. This poses a problem because the
retraction of the plunger without entering the correct combination would effectively
allow unauthorized access into the safe despite the addition of a notch and safety
key feature.
[0010] US 2007/0252394 relates to a lock mechanism which includes a torsion bar that prevents movement of
a slide bar abutting a swing bolt. The torsion bar engages the swing bar in a direction
transverse to sliding movement to prevent undesired movement away from abutting contact
with the swing bolt.
[0011] EP 2495379 relates to an electro-mechanical lock comprising an electric device, a locking element
and its blocking means. The blocking means of the locking element contains at least
one displaced member and at least two coaxially placed rotating members, each of which
has gear rim and radial slot. The electric device is made in a form of electric motor.
The output shaft of this electric motor has a built-in gear wheel entering an engagement
with the mentioned rotating members in such a manner that the latter, being set in
motion by the mentioned motor, rotate towards each other ensure alignment of radial
slots with a possibility of displacement of a shifted member into the specified slots,
thereby ensuring an unblocking of blocking means of a locking element.
[0012] Accordingly, there is a need for a lock having a blocking device that is simple to
assemble, cost efficient, and that can reliably block access under force and shock.
BRIEF SUMMARY OF THE INVENTION
[0013] The invention is defined in the appended independent claim, to which reference should
now be made. Preferred or advantageous features of the invention are defined in dependent
sub-claims. Aspects, embodiments or examples falling outside the scope of the appended
independent claim are not part of the invention, and are merely included for illustrative
or explanatory purposes.
[0014] The problems outlined above are addressed by the universal lock having a sliding
stop mechanism. The present disclosure solves the foregoing problems by providing
a lock including a housing having an opening for a locking bolt, a locking bolt movable
between a locked position and an unlocked position, an actuator positioned within
the housing and a sliding stop mechanism received in the housing.
[0015] In one aspect, the sliding stop mechanism includes a substantially C-shaped in cross
section rotatable member, which is received in a substantially U-shaped in cross-section
slider. The rotatable member comprises a cam that translates the rotary movement of
the actuator into linear movement of the substantially U-shaped in cross section slider.
The rotatable member is received on a surface or within a channel of the blocking
member. The rotatable member is configured to rotate between a first position corresponding
to the locked position of the locking bolt and a second position corresponding to
the unlocked position of the locking bolt. Correspondingly, the U-shaped in cross-section
blocking device is responsive to the rotation of the cam and moves linearly between
a first position in which the locking bolt is in a locked position and a second position
which allows the locking bolt to by-pass the blocking member to the unlocked position.
[0016] In another aspect, a lock including a housing defining a cavity with first and second
opposing side walls and an opening for receiving a locking bolt moveable between a
locked position and an unlocked position is provided. The lock includes a rotary actuator
having a rotary output and responsive to entry of an electronic combination input
by a user; and a sliding blocking mechanism responsive to said rotary output and moveable
between a blocking position for blocking said locking bolt in the locked position
and an unblocking position for allowing said locking bolt to move into said unlocked
position, the sliding blocking mechanism including a rotatable member comprising a
cam having a camming surface and a substantially U-shaped in cross-section slider
having a channel or bottom surface for engaging said camming surface and a blocking
arm for blocking engagement with said rotary bolt, wherein actuation of the rotary
actuator causes the rotatable cam to rotate in said channel or on a bottom surface
to cause linear movement of said U-shaped slider to an unblocking position allowing
said locking bolt to move into said unlocked position.
[0017] In a further aspect of the lock, the lock includes a housing having an opening for
receiving a locking bolt movable between a locked position and an unlocked position;
a rotary actuator positioned within the housing and energizable between a locked condition
for maintaining the locking bolt in the locked position and an unlocked condition
that allows the locking bolt to move to the unlocked position; and a sliding blocking
mechanism received in said housing, said sliding blocking mechanism including a rotatable
member having a camming surface and a substantially U-shaped in cross section slider
having a channel for engaging said camming surface and a first arm having a blocking
portion, the rotatable member operably coupled to the rotary actuator, said sliding
blocking mechanism normally biased in a blocking position in which the first arm blocking
portion is configured to engage and block the locking bolt from being moved to the
unlocked position, wherein upon actuation, the rotary actuator causes the rotatable
member to rotate by a predetermined amount in said channel and cause said U-shaped
slider to move linearly to an unblocking position allowing the locking bolt to move
into the unlocked position. The rotatable member also includes a stop portion operably
coupled thereto for preventing the rotatable member from further rotation. The stop
portion engages a wall in the cavity of the housing which prevents further rotational
movement of the rotatable member and correspondingly further linear movement of the
U-shaped slider.
[0018] A dial operably coupled to the lock includes a key pad having a series of electronic
numbers, typically from 1-9 and 0 which, when contacted by a user entering the correct
combination, will generate an electronic signal to rotary means. The rotary means,
which may be a solenoid, is coupled to the rotatable member. In one aspect, the rotatable
member is a cam. Upon receiving the electronic signal the solenoid causes the rotatable
member to rotate by a predetermined amount. A camming surface of the rotatable member
is received in a channel in the blocking member such that as the camming surface rotates
in the channel it causes the blocking member to move linearly to an unlocked position
that enables the locking bolt to by-pass the blocking member allowing the authorized
user to open the lock.
[0019] In accordance with the invention, the sliding blocking mechanism includes a substantially
D-shaped in cross section rotatable member, which is received in a substantially rectangular
or box-shaped in cross-section sliding blocking member. The D-shaped rotatable member
includes a flat surface and a round surface. A compression spring is received in an
opening in the sliding blocking member and biases the blocking member in the blocking
position, which prevents the locking bolt from retracting into the housing. The sliding
blocking member includes an inner portion having a bottom surface that includes a
lower surface, a ramp section and an elevated portion that is higher than the lower
surface. The D-shaped rotatable member is operably coupled and responsive to the rotary
output of a rotary actuator. In the blocking position, the D-shaped rotatable member
is positioned in a first portion of the substantially rectangular or box-shaped in
cross-section sliding blocking member. In this position, the ramp and elevated portion
of the blocking member cannot bypass the rounded portion of the D-shaped member, i.e.
if an unauthorized user applies force to the locking bolt. When actuated, the D-shaped
member rotates such that the flat portion is substantially parallel to the bottom
surface of the sliding blocking member and allows the ramp and elevated portion to
by-pass the D-shaped member.
[0020] The D-shaped rotatable member is configured to rotate between a first position corresponding
to the locked position of the locking bolt and a second position corresponding to
the unlocked position of the locking bolt.
[0021] In another aspect, the substantially rectangular or box-shaped in cross-section sliding
blocking member has a side edge that is chamfered and engages the tip portion of a
rotary locking bolt in the locked position.
[0022] When a user enters the correct combination, the rotary actuator causes the D-shaped
member to rotate to the unblocking position. Manual force applied by the user in turning
the handle of the lock causes the tip portion of the locking bolt to push against
the chamfered edge causing the substantially rectangular or square-shaped in cross-section
slider to move toward the unblocking position allowing the lock to be opened. When
the locking bolt returns to the locked position, a spring exerts force against the
blocking member causing it to return to the blocking position.
BRIEF DESCRIPTION OF THE DRAWINGS
[0023] For a better understanding of the invention, and to show how the same may be carried
into effect, reference will now be made, by way of example, to the accompanying drawings,
in which:
FIG. 1 is an exploded view of the lock having a substantially U-shaped sliding blocking
member showing the housing.
FIG. 2 is an exemplary housing in which the lock is housed showing the face plate
and the side walls.
FIG. 3 is a perspective view of the lock having a U-shaped blocking member.
FIG. 4 is a top view of the lock having a U-shaped blocking member showing the lock
in the locked position.
FIG. 5 is a cut away illustration showing the U-shaped blocking member blocking the
locking bolt from moving to the unlocked position.
FIG. 6 is a top view of the lock having a U-shaped blocking member showing the locking
bolt in the unlocked position.
FIG. 7 is a cut away illustration showing the U-shaped blocking member in the unblocking
position allowing the locking bolt to move to the unlocked position.
FIG. 8 is a top view showing an alternative means for biasing the locking bolt in
the locked position.
FIG. 9 is an exploded view of the lock having a rectangular or box-shaped blocking
member showing the housing.
FIG. 10 is a detailed view of the D-shaped rotatable member with helical torsion spring.
FIG. 1 1 is a top perspective view of the lock having a rectangular blocking member
showing the blocking member in the blocking position and the lock in the locked position.
FIG. 12 is a cut away illustration showing the rectangular blocking member blocking
the locking bolt from moving to the unlocked position with compression spring exerting
a biasing force against the blocking member.
FIG. 13 is a top perspective view of the rectangular blocking member in the unblocking
position allowing the locking bolt to move to the unlocked position.
FIG. 14 is a cut away illustration showing the rectangular blocking member in the
unblocking position allowing the locking bolt to move from the unlocked position to
the unlocked position.
DETAILED DESCRIPTION OF THE INVENTION
[0024] Referring to FIG. 1 an exploded view of the lock 10 is shown. Lock 10 broadly includes
housing 24, locking bolt 70, actuator 60, and sliding blocking mechanism 100.
[0025] Housing 24 of lock 10 includes faceplate 26 and first and second opposing side walls
80, 82 including opening 84 for receiving a locking bolt 70 as best seen in FIG. 2.
The universal lock is mounted to a wall (not shown) which is representative of the
door of a container, a safe or security room, or portions of a wall adjacent to such
doors. A dial is mounted on a forward side of the wall. The dial is capable of accepting
an electronic entry combination or a manual entry combination.
[0026] Referring now to FIGS. 1 and 3, a locking bolt 70 mounts in housing 24. In the present
embodiment, locking bolt 70 is a rotary bolt having a generally D-shape in cross-section.
However, it should be understood that various other shapes of locking bolt 70 are
contemplated. A shaft receiving opening 42 is positioned near the center of rotary
bolt 70. Shaft receiving opening 42 is configured to receive a shaft or axle 40 that
mounts within the housing 24. Shaft 40 mounts in first and second sleeves (not shown)
located on the inside walls of housing 24. Shaft receiving opening 42' is generally
round and has a diameter that is slightly larger than the diameter of shaft 43. Shaft
receiving opening 42 of locking bolt 40 fits onto shaft 40, allowing locking bolt
70 to rotate about the shaft. Thus, a bearing means is formed between opening 42 of
locking bolt 70 and shaft 40, which remains generally stationary as locking bolt 70
rotates.
[0027] As seen in FIG. 1, the center portion 87 of helical torsion spring 86 is positioned
on shaft 40 between the bolt and the housing. First arm 89 is received in locking
bolt aperture 91. Second arm 93 is received under a shelf or ledge (not shown) in
housing 24. This configuration of helical torsion spring 86 biases the locking bolt
70 in the locked position. Alternatively, as seen in FIG. 8, a compression spring
88 stretches from a pin 89 that is located on the inside wall of housing 24 to another
pin (not shown) in housing 24 that is received in aperture 90 positioned through locking
bolt 70.
[0028] In each case, tension from the springs 86, 88 biases locking bolt 70 counterclockwise
with extended portion 44 of bolt 70 in the locked position extended outside the housing
24.
[0029] Locking bolt 70 is illustrated in FIGS. 3, 4 and 5 in the locked position. In the
locked position, extended portion 44 of locking bolt 70 extends outside locking bolt
opening 84. Locking bolt opening 84 is an opening or slot in the wall of housing 24
that is typically formed when the housing is cast. In operation, locking bolt 70 rotates
to an unlocked position in which extended portion 44 of locking bolt 70 retracts within
housing 24. The movement of locking bolt 70 between the locked and unlocked positions
will be described in more detail hereinafter.
[0030] Actuator 60 mounts inside housing 24. Many different types of actuators may be used
including, but not limited to, motors, rotary solenoids, electronic and mechanical
rotary devices, and electromagnetic rotary devices. For purposes of example, actuator
60 will be described as a rotary solenoid throughout the remainder of this disclosure.
Rotary solenoid 60 mounts in a cavity 64 within housing 24, which is formed by several
walls extending upward from the inside wall of housing 24, as best seen in FIG. 1.
The walls forming cavity 64 are typically part of the casting that forms housing 24.
Rotary solenoid 60 includes rotary shaft 62 that is rotatably coupled to receiving
shaft 1 14 of rotatable member 1 10 as hereinafter described. As best seen in FIG.
10, a second helical torsion spring 36 is received by shaft 1 14, 1 14'. First arm
37, 37' is positioned against a sidewall in housing 24 while second arm 39, 39' is
received by aperture 1 19, 1 19'and acts to bias rotatable member 1 10 and cam member
210 in the blocking position as best seen in FIGS. 4 and 11.
[0031] Referring again to FIGS. 1-8, sliding blocking mechanism 100 broadly includes rotatable
member 1 10 having camming surface 1 12, shaft 1 14 including shaft receiving lumen
1 15, stop 116 operably coupled to a surface of the rotatable member and U-shaped
in cross-section sliding blocking member 120. Rotatable member 1 10 is substantially
C-shaped in cross section and is rotatably received by rotary shaft 62 into shaft
receiving lumen 1 15. C-shaped in cross section rotatable member 1 10 includes a rounded
camming surface 1 12 and a substantially concave portion 190. U-shaped in cross section
sliding blocking member includes first arm 122 and second arm 124. First arm 122 has
a length that is greater than the length of second arm 124 to create a blocking portion
125 that acts to block the tip 36 of locking bolt and thus locking bolt 70 from retracting
into housing 24. Arms 122, 124 form channel 126 therebetween which operably receives
rotatable member 1 10. Those of skill in the art will appreciate that channel 126
may also comprise a flat surface upon which the camming surface 1 12 rests rather
than a trough in which the camming surface is received. Camming surface 1 12 of rotatable
member 1 10 rotatably rests on channel 126 formed on the inner surface of U-shaped
sliding blocking member. The rotatable member 1 10 translates the rotary movement
of the actuator into linear movement of the substantially U-shaped in cross section
sliding blocking member 120.
[0032] Stop 1 16 is coupled to a surface of rotatable member 1 10. Stop 1 16 is depicted
as being triangular in shape but those of skill in the art will appreciate that stop
1 16 may be any shape such as rectangular, cylindrical, square, etc. so long as it
functions to prevent further movement of the rotatable member 1 10. When rotatable
member 1 10 receives rotary output from actuator 60, stop 1 16 prevents rotatable
member 1 10 from further rotation. Stop 116 is received in a pocket 101 in housing
and engages the side walls of the pocket as rotatable member 110 moves from the blocking
position to the unblocking position and back to the blocking and correspondingly limits
further linear movement of the U-shaped sliding blocking member.
[0033] In operation, a user enters the correct combination on electronic key pad on a dial
pad located outside the safe or other container door. Electronic circuitry signals
solenoid 60 to rotate rotatable member by a predetermined amount. As a result, the
rotatable member 1 10, which is responsive to the rotary output of solenoid 60 rotates
as the camming surface 1 12 engages the surface of channel continues to move in channel
126 it disengages from first arm 122 and commences to rotatably engage second arm
124 which causes U-shaped slider 120 to move linearly. As U-shaped slider 120 moves
linearly first arm 122 disengages tip 38 of locking bolt 70. After rotating by the
predetermined amount of rotary output, stop 116 of rotatable member 1 10 prevents
further movement of rotatable member 1 10 by contacting an inner wall of cavity 64
in housing 24 as best seen in FIG. 4.
[0034] A user then turns the handle on the safe door (or other container being secured)
which retracts the locking bolt 44 into housing 24 to permit access to the inside
of the safe. The user then turns the handle on the safe door to move the locking bolt
back into the locked position. Rotational torsion spring 26 which biases the sliding
blocking mechanism 100 in the locked position, as hereinbefore described, causes U-shaped
sliding blocking mechanism to move back to the blocking position.
[0035] As may also be seen in FIG. 8 the locking bolt may include an optional tamper resistant
mechanism comprising a plurality of teeth 45 in the locking bolt 70 and a plurality
of corresponding teeth 47 in the housing 24. Attempting to forcibly rotate the locking
bolt 70 from the locked position, as best seen in FIG. 10, to the unlocked position
while the actuator is in the locked condition causes the plurality of teeth on the
locking bolt to engage with the teeth 47 in the housing 24 preventing unauthorized
entry.
[0036] A second aspect is depicted in FIGS. 9-14 as will hereinafter be described. Like
elements are labeled with like reference numerals.
[0037] Referring now to FIG. 9 sliding blocking mechanism 210 includes a substantially D-shaped
in cross section rotatable member 210, which is received in a substantially rectangular
or box-shaped in cross-section sliding blocking member 212. D-shaped in cross section
rotatable member 210 does not transform rotary movement of the actuator 60 into linear
movement of sliding blocking member 212. Rather, D-shaped rotatable member 210 is
responsive to the rotary output of solenoid 60 and rotates to allow sliding blocking
member 212 to by-pass the D-shaped rotatable member 210 upon exertion of force by
locking bolt 70 against chamfered edge 224.
[0038] The D-shaped rotatable member includes a flat surface 214 and a round surface 216.
A compression spring 218 is received in an opening 220 in the side of the box-shaped
sliding blocking member. A first end of the spring 222 abuts a sidewall in housing
24 and biases the sliding blocking member 212 in the blocking position by exerting
a force thereon, which prevents the locking bolt from retracting into the housing
as hereinafter described. The substantially rectangular or box-shaped in cross-section
sliding blocking member 212 includes a side edge 224 that is chamfered and engages
the tip portion 38 of locking bolt 70. Due to the force exerted on blocking member
212 by compression spring 218 the tip 38 of locking bolt 70 is prevented from passing
to the unlocked position.
[0039] The sliding blocking member 212 includes an inner portion 226 having a bottom surface
228 that includes a lower portion 230, a ramp section 232 and an elevated portion
234 that is higher than the lower portion 230. The D-shaped rotatable member 210 is
operably coupled by shaft 1 14' and responsive to the rotary output of a rotary actuator
60. In the blocking position, as best seen in FIG. 12, the D-shaped rotatable member
210 is positioned in the lower portion 230 of blocking member 210 with a section of
the rounded portion 216 abutting ramp 232. In this position, the ramp 232 and elevated
portion 234 of the blocking member 219 cannot bypass the rounded portion 216 of the
D-shaped rotatable member 210, i.e. if an unauthorized user applies force to the locking
bolt. When actuated by rotary solenoid 60, the D-shaped member rotates so the flat
portion 214 is substantially parallel to the bottom surface 228 of the sliding blocking
member 212 and is now configured to allow the ramp 232 and elevated portion 234 to
by-pass the D-shaped blocking member as will now be described. By "substantially parallel"
we mean sufficiently parallel to the bottom surface 228 of the sliding blocking member
212 to allow the ramp 232 and elevated portion 234 to by-pass the D-shaped blocking
member.
[0040] As previously noted, the D-shaped rotatable member 210 is configured to rotate between
a first position corresponding to the locked position of the locking bolt 70 and a
second position corresponding to the unlocked position of the locking bolt 70.
[0041] When a user enters the correct combination, the rotary actuator 60 causes the D-shaped
rotatable member 210 to rotate to the unblocking position. In the unblocking position
as best seen in FIG. 14, the D-shaped rotatable member 210 has rotated so that the
flat portion 214 is substantially parallel to bottom surface 228 of the sliding blocking
mechanism 212. Manual force applied by the user in turning the handle of the lock
causes the tip portion 38 of the locking bolt to push against chamfered edge 224 causing
the box-shaped in cross-section sliding blocking member 210 to move toward the unblocking
position. The ramp 232 and elevated portion 234 can move past the flat portion 214
of D-shaped rotatable member 210 allowing the lock to be opened. When the locking
bolt 70 returns to the locked position, spring 222 exerts a biasing force against
the blocking member 210 causing it to return to the blocking position.
1. A lock comprising:
a housing (24) having an opening for receiving a locking bolt (70) movable between
a locked position and an unlocked position;
a rotary actuator (60) positioned within the housing and energizable between a locked
condition for maintaining the locking bolt in the locked position and an unlocked
condition that allows the locking bolt to move to the unlocked position;
a sliding blocking mechanism (120, 212) received in said housing, said sliding blocking
mechanism including a rotatable member (210) operably coupled to the rotary actuator,
said sliding blocking mechanism normally biased in a blocking position configured
to engage and block said locking bolt from being moved to the unlocked position,
wherein said rotatable member comprises a D-shaped in cross-section rotatable member
(210) having a flat portion (214) and a round portion (216),
wherein said sliding blocking mechanism comprises a box-shaped in cross-section member
housing said D-shaped in cross-section rotatable member,
wherein said sliding blocking mechanism includes a lower portion (230) and an upper
portion (234), and wherein in the blocking position a portion of said rotatable member
is positioned in said lower portion,
wherein upon actuation, the rotary actuator causes said rotatable member to rotate
by a predetermined amount such that the flat portion is substantially parallel to
a bottom surface (228) of the sliding blocking mechanism allowing said sliding blocking
mechanism to move linearly to an unblocking position allowing said locking bolt to
move into said unlocked position.
2. The lock of claim 1 wherein said locking bolt is a rotary locking bolt and/or wherein
said rotary actuator (60) is a rotary electromagnetic device, for example wherein
said rotary electromagnetic device is a rotary solenoid.
3. The lock of claim 1 further comprising a first spring (86) coupled to said housing
and said locking bolt for biasing said locking bolt in said locked condition.
4. The lock of claim 1 further comprising a second spring (36) positioned between the
rotary actuator and the rotatable member for biasing the rotatable member in a position
corresponding to the blocking position of the sliding blocking mechanism.
5. The lock of claim 1 wherein said sliding blocking mechanism includes a first blocking
arm (122) configured to block said locking bolt from being moved to the unlocked position.
6. The lock of claim 1 wherein said sliding blocking mechanism includes a chamfered edge
(224) configured to engage said locking bolt to maintain the locking bolt in the locked
position.
7. The lock of claim 1 further comprising a spring (218) for biasing the sliding blocking
mechanism in the blocking position, preferably wherein said spring is a compression
spring (218).
8. The lock of claim 1 wherein the housing has a cavity with first and second opposing
side walls, and
wherein the rotary actuator has a rotary output and is responsive to entry of an electronic
combination input by a user, and
wherein said rotatable member is responsive to said rotary output.
1. Schloss, das Folgendes aufweist:
ein Gehäuse (24) mit einer Öffnung zur Aufnahme eines Schlossriegels (70), der zwischen
einer verriegelten Stellung und einer entriegelten Stellung bewegbar ist;
einen Drehantrieb (60), der in dem Gehäuse positioniert ist und zwischen einem verriegelten
Zustand zum Halten des Schlossriegels in der verriegelten Stellung und einem entriegelten
Zustand, der das Bewegen des Schlossriegels in die entriegelte Stellung zulässt, schaltbar
ist;
ein in dem genannten Gehäuse aufgenommener Verschiebungsblockiermechanismus (120,
212), wobei der genannte Verschiebungsblockiermechanismus ein drehbares Element (210)
enthält, das funktionell mit dem Drehantrieb gekoppelt ist, wobei der genannte Verschiebungsblockiermechanismus
normalerweise in einer blockierenden Stellung vorbelastet ist, die zum Ineingriffkommen
mit dem und Blockieren des genannten Schlossriegel(s) gegen ein Bewegen in die entriegelte
Stellung vorbelastet ist,
wobei das genannte drehbare Element ein im Querschnitt D-förmiges drehbares Element
(210) mit einem flachen Teil (214) und einem runden Teil (216) aufweist,
wobei der genannte Verschiebungsblockiermechanismus ein im Querschnitt kastenförmiges
Element aufweist, in dem das genannte im Querschnitt D-förmige drehbare Element aufgenommen
ist,
wobei der genannte Verschiebungsblockiermechanismus einen unteren Teil (230) und einen
oberen Teil (234) hat und wobei in der blockierenden Stellung ein Teil des genannten
drehbaren Elements im genannten unteren Teil positioniert ist,
wobei der Drehantrieb bei Betätigung das genannte drehbare Element veranlasst, sich
um einen vorbestimmten Betrag zu drehen, so dass der flache Teil im Wesentlichen parallel
zu einer unteren Oberfläche (228) des Verschiebungsblockiermechanismus ist, was zulässt,
dass sich der genannte Verschiebungsblockiermechanismus linear in eine nicht blockierende
Stellung bewegt, was zulässt, dass sich der genannte Schlossriegel in die genannte
entriegelte Stellung bewegt.
2. Schloss nach Anspruch 1, wobei der genannte Schlossriegel ein sich drehender Schlossriegel
ist und/oder wobei der genannte Drehantrieb (60) eine elektromagnetische Drehvorrichtung
ist, wobei die genannte elektromagnetische Drehvorrichtung zum Beispiel ein Drehmagnet
ist.
3. Schloss nach Anspruch 1, das ferner eine erste Feder (86) aufweist, die mit dem genannten
Gehäuse und dem genannten Schlossriegel gekoppelt ist zum Vorbelasten des genannten
Schlossriegels in dem genannten verriegelten Zustand.
4. Schloss nach Anspruch 1, das ferner eine zweite Feder (36) aufweist, die zwischen
dem Drehantrieb und dem drehbaren Element positioniert ist zum Vorbelasten des drehbaren
Elements in einer Stellung, die der blockierenden Stellung des Verschiebungsblockiermechanismus
entspricht.
5. Schloss nach Anspruch 1, wobei der genannte Verschiebungsblockiermechanismus einen
ersten Blockierarm (122) hat, der zum Blockieren des genannten Schlossriegels gegen
ein Bewegen in die entriegelte Stellung gestaltet ist.
6. Schloss nach Anspruch 1, wobei der genannte Verschiebungsblockiermechanismus einen
abgeschrägten Rand (224) hat, der gestaltet ist, um mit dem genannten Schlossriegel
in Eingriff zu kommen, um den Schlossriegel in der verriegelten Stellung zu halten.
7. Schloss nach Anspruch 1, das ferner eine Feder (218) zum Vorbelasten des Verschiebungsblockiermechanismus
in der blockierenden Stellung aufweist, vorzugsweise wobei die genannte Feder eine
Druckfeder (218) ist.
8. Verriegelung nach Anspruch 1, wobei das Gehäuse einen Hohlraum mit einer ersten und
einer zweiten gegenüberliegenden Seitenwand hat und
wobei der Drehantrieb eine Drehausgabe hat und auf die Eingabe einer elektronischen
Kombinationseingabe durch einen Benutzer reagiert und
wobei das genannte drehbare Element auf die Drehausgabe reagiert.
1. Serrure comprenant :
un logement (24) comportant une ouverture pour recevoir un pêne de serrure (70) déplaçable
entre une position verrouillée et une position déverrouillée ;
un actionneur rotatif (60) positionné à l'intérieur du logement et actionnable entre
un état verrouillé pour maintenir le pêne de serrure dans la position verrouillée
et un état déverrouillé qui permet le déplacement du pêne de serrure vers la position
déverrouillée ;
un mécanisme de blocage coulissant (120, 212) reçu dans ledit logement, ledit mécanisme
de blocage coulissant comportant un élément rotatif (210) couplé opérationnellement
à l'actionneur rotatif, ledit mécanisme de blocage coulissant étant normalement sollicité
dans une position de blocage configurée pour se mettre en prise avec ledit pêne de
serrure et l'empêcher de se déplacer vers la position déverrouillée,
dans lequel ledit élément rotatif comprend un élément rotatif ayant une coupe transversale
en forme de D (210) présentant une partie plate (214) et une partie arrondie (216),
dans lequel ledit mécanisme de blocage coulissant comporte un élément ayant une coupe
transversale en forme de boîte logeant ledit élément rotatif ayant une coupe transversale
en forme de D,
dans lequel ledit mécanisme de blocage coulissant comporte une partie inférieure (230)
et une partie supérieure (234), et dans lequel dans la position de blocage une partie
dudit élément rotatif est positionnée dans ladite partie inférieure,
dans lequel à son actionnement, l'actionneur rotatif amène ledit élément rotatif à
tourner par une quantité prédéterminée de telle sorte que la partie plate soit sensiblement
parallèle à une surface inférieure (228) du mécanisme de blocage coulissant permettant
audit mécanisme de blocage coulissant de se déplacer linéairement vers une position
de déblocage permettant audit pêne de serrure de se déplacer dans ladite position
déverrouillée.
2. Serrure selon la revendication 1 dans laquelle ledit pêne de serrure est un pêne de
serrure rotatif et/ou dans lequel ledit actionneur rotatif (60) est un dispositif
électromagnétique rotatif, par exemple ledit dispositif électromagnétique rotatif
étant un solénoïde rotatif.
3. Serrure selon la revendication 1 comprenant en outre un premier ressort (86) couplé
audit logement et audit pêne de serrure pour solliciter ledit pêne de serrure dans
ledit état verrouillé.
4. Serrure selon la revendication 1 comprenant en outre un second ressort (36) positionné
entre l'actionneur rotatif et l'élément rotatif pour solliciter l'élément rotatif
dans une position correspondant à la position de blocage du mécanisme de blocage coulissant.
5. Serrure selon la revendication 1 dans laquelle ledit mécanisme de blocage coulissant
comporte un premier bras de blocage (122) configuré pour bloquer ledit pêne de serrure
et l'empêcher de se déplacer vers la position déverrouillée.
6. Serrure selon la revendication 1 dans laquelle ledit mécanisme de blocage coulissant
comporte un bord chanfreiné (224) configuré pour se mettre en prise avec ledit pêne
de serrure et maintenir ledit pêne de serrure dans la position verrouillée.
7. Serrure selon la revendication 1 comprenant en outre à ressort (218) pour solliciter
le mécanisme de blocage coulissant dans la position de blocage, de préférence dans
lequel ledit ressort est un ressort à compression (218).
8. Serrure selon la revendication 1 dans laquelle le logement comporte une cavité présentant
des première et seconde parois latérales opposées, et
dans laquelle l'actionneur rotatif a une sortie rotative et est sensible à la saisie
d'une combinaison électronique entrée par un utilisateur, et
dans lequel ledit élément rotatif est sensible à ladite sortie rotative.