[0001] The subject of this invention is a luminous signalling buoy fitted with a light on/off
device, for instance of the type supplied as emergency equipment for buoys.
[0002] Traditionally, buoys of such type are made up of a floating body fitted with a transparent
dome fixed hermetically to the body, inside of which is inserted a luminous body,
for instance a common incandescent light bulb powered by a battery. The floating body
is also normally equipped with a hook or ring for tying with a rope. The floating
body is shaped in such way that the transparent capsule is above the water line of
the buoy, so that the light emitted by said luminous body is always visible from a
distance during rescue operations.
[0003] The transparent dome is screwed onto the body of the buoy and a sealing gasket is
placed between the two parts that are screwed together.
[0004] This signalling buoy is activated (i.e. the light of the luminous body is switched
on) once it is thrown into the water to signal the presence of people to be rescued
and facilitate the rescue operations.
[0005] It is a well-known fact that there may be different problems in the case it is necessary
to open the body of the buoy before its use in water, for instance by means of unscrewing
of the transparent dome or by means of opening the hook to have access to the electronic
part of the buoy itself and/or the battery. If, indeed, this operation of opening/switching
on and successive closing again is performed in a hurry, it might happen that the
closing is not carried out in the correct way, for which the body of the buoy inevitably
loses its water-tightness. Furthermore, with the traditional system each time that
the buoy is used, it is necessary to act mechanically in an invasive way on the body
of the buoy itself to switch it on and, after a number of uses, the same might lose
its features of sealing.
[0006] Therefore, this invention resolves the aforesaid inconveniences by means of the creation
of a buoy fitted with a light on/off device positioned on its external body in such
way as to magnetically transmit to the inside of the body the activating by means
of a magnetic sensor, which, in turn, makes or breaks an on/off switch connected to
the luminous source.
[0007] The subject of this invention is a luminous signalling buoy having the characteristics
of the attached claim 1. Further accessory characteristics of said buoy are indicated
in the dependent claims.
[0008] One form of exemplifying, but not limiting creation of this invention will be described
making reference to the attached figures in which:
- fig. 1 illustrates a lateral view of the buoy according to this invention;
- fig. 2 illustrates a blown-up perspective view of the buoy according to this invention;
- fig. 3 illustrates, in perspective view, the light on/off device of the buoy according
to this invention;
- fig. 4 illustrates, in perspective view, the upper part of the buoy.
[0009] With reference to the figures mentioned, the luminous signalling buoy includes a
hollow, floating body 2 open in its upper part, having an upper portion or neck 21
of substantially cylindrical shape, and a lower body 22, of a substantially cylindrical
shape.
[0010] This shape of the buoy makes it float in such way that at least the upper cylindrical
portion emerges from the water.
[0011] The lower portion of the hollow body has advantageously a ring 231 or equivalent
means of tying by rope.
[0012] The upper opening of the hollow body is closed by a transparent cap or capsule 4
which surrounds the light source and allows the light emitted by the source to be
visible from the outside of the buoy.
[0013] This cap 4 is advantageously bonded directly to the supporting frame and its lower
edge 41 is associated to the mouth of the body of the buoy, by means of a snap-fitting
mechanism.
[0014] In the upper opening or mouth of the hollow body a supporting frame 3 is opportunely
inserted which houses the light source in its upper portion. Then an electronic circuit
of power for the light source is associated with the supporting frame and a housing
33 for a power supply battery.
[0015] In particular, this binding mechanism includes a hook 5 having a ring-like portion
51 connected by at least one small jumper 52 to a semi-ring-like portion 53.
[0016] The paired ends of this semi-ring-like portion are hinged on the opposite sides of
the lower edge 41 of the cap by means of a pair of hinges 35 which are inserted in
the frame 3, in such way as to bind the hook, cap and supporting frame one to another
in a jointed way.
[0017] The semi-ring-like portion is elastically deformable, thus, once the hook is rotated
by means of the aforesaid hinges, the paired ends of the portion 51 lock into each
other and grip onto the neck of the hollow body 2 of the buoy. The neck of the hollow
body, to ensure greater stability of the bond, may have a ring edge 212, below which
one creates a seating for the stable housing of that ring portion 51.
[0018] The supporting frame is made in a substantially cylindrical shape and the housings
for the electronic circuit and the battery are created inside it, in such way that
said frame can be inserted and removed from above in the upper opening of the hollow
body. This facilitates replacement of the battery and avoids the presence of connectors
which, sometimes, make the substitution operation complicated.
[0019] The light source is preferably a light source including one or more LED. The battery
is a single conventional 1.5-volt battery. Indeed, the electronic circuit allows one
to supply the LED for a long time with said battery, instead of the four or five batteries
conventionally used in buoys of the prior art mentioned above.
[0020] Inside the buoy and associated with the electronic circuit for switching the light
source on and off a switch is envisaged fitted with a magnetic sensor which is able
to activate or deactivate the source itself in response to a magnetic solicitation.
[0021] On the external part of the body of the buoy, preferably in proximity of the lower
edge 41, an on/off device is positioned which magnetically transmits its activating
to the inside of the buoy to the magnetic sensor, which, in turn, activates an on/off
switch connected to the luminous source.
[0022] In one form of creation, this on/off device 6 includes a ring-like portion 61 fitted
with a seating 62 for the housing of a magnet. This ring-like portion can be engaged
in proximity of the neck of the buoy and is able to rotate on said neck so that, by
means of rotation, the seating of the magnet 62 encounters the magnetic sensor associated
with the switch placed on the inside of the body of the buoy.
[0023] To facilitate the aforesaid operation, on the ring 61, two protrusions 63 and 64
are created which, during rotation, meet the same number of protrusions 513 and 514
created on the ends of the ring portion 51 determining two predetermined positions
(on and off), one in which the magnet meets the magnetic sensor and therefore the
switch lights the light source and one in which the switch disconnects or deactivates
the light source.
[0024] The luminous signalling buoy, according to this invention, is susceptible to numerous
modifications and variants, all coming under the same inventive concept. The materials
used, the components and their sizes, may also be modified according to the needs
without leaving the scope of protection of this invention.
1. Luminous signalling buoy comprising a hollow, floating body (2) open in its upper
part, the opening of which is closed by a transparent cap or capsule (4) that surrounds
a light source and that allows the light emitted by said source to be visible from
the outside,
an extractable supporting frame (3) which houses the light source in its upper portion,
an electronic circuit of power for the light source and a housing (33) for said power
supply battery,
characterized by the fact that said electronic circuit of power for the light source is provided with
a switch equipped with a magnetic sensor which is able to activate or deactivate the
source itself in reply to a magnetic solicitation,
and that externally to the body of the buoy it is provided with a light on/off device
which magnetically transmits to the inside of the buoy said magnetic solicitation
so that said turning on and turning off switch, provided in the inside of the buoy
body, turns on or turns off said light source.
2. Buoy according to claim 1, wherein said light on/off device is positioned in proximity
of the lower edge (41) of the buoy body.
3. Buoy according to claim 1, wherein said light on/off device (6) comprises a ring-like
portion (61) provided with a seating (62) for the housing of a magnet.
4. Buoy according to claim 3, wherein said ring-like portion is engageble in proximity
of the neck of the buoy and it is able to rotate around said neck so that, by means
of its rotation, the seating of the magnet (62) meets the magnetic sensor associated
to the switch placed on the inside of the body of the buoy.
5. Buoy according to claim 2, wherein on the ring (61), in a suitable position, two protrutions
(63, 64) are created, which, during the rotation, meet the same number of protrutions
(513, 514) created on the ends of the ring-like portion (51) defining two predeterminated
positions, one in which the magnet meets the magnetic sensor (on) and therefore the
switch turns the light source on and one in which the switch turns the light source
off or deactives it (off).
6. Buoy according to claim 5, wherein said protrutions are created onto the ends of the
ring-like portion (51).
7. Buoy as by claim 1, wherein the light source is a light source comprising one or more
LEDs.