[0001] The invention relates to a work lamp comprising a lamp housing and a light source
and a strap secured to the lamp for temporary attachment of the lamp, said strap having
a number of coupling means distributed along the strap. The term "work lamp" does
not restrict the invention to be used in connection with crafts; rather it is to be
understood as any lamp for temporary use.
[0002] German published patent application No. 31 16317 discloses a lamp for emergency signalling
or the like, which lamp may be suspended by means of a strap attached to the lamp,
said strap having a number of slots whereby the strap can be secured on a nail, and
moreover, at its end, the strap is provided with a coupling means that can be hooked
around the strap itself.
[0003] The invention concerns a work lamp which, during use, distinguishes itself over the
prior art lamp in that it is desirable that the lamp can be secured quickly in such
a manner that it can be caused to illuminate a working or other area in a stable manner
in any given direction. This is not possible by the prior art technique.
[0004] The object of the invention is to provide a work lamp that can be secured onto largely
all building elements and pointing in any direction, whereby any working area can
be illuminated by the lamp.
[0005] This object is accomplished in that the lamp has at least one coupling means for
cooperating with the coupling means along the strap. Since now the strap engages in
two locations on the lamp, it is possible to arrange it with various orientations,
it being possible to wind the strap around a building part, eg pipes or beams, and
subsequently to secure it in two locations on the lamp, whereby it can be fixated
in many different positions.
[0006] For instance, the strap could be integral with the lamp housing, but preferably the
strap is secured in a replaceable manner on the lamp, thereby enabling that a new
strap can mounted in case the old one should break.
[0007] According to one embodiment the strap can be secured adjustably. Irrespective of
its attachment, the strap is preferably arranged on the back of the lamp housing.
[0008] The number of options available for arrangement is considerably increased by the
strap being elastic. The strap may comprise elastic and relatively inelastic areas,
but preferably the strip is configured as a rubber strap. The number of options available
for attachment is further increased by the strap being configured with a surface that
provides a high degree of frictional resistance.
[0009] According to a preferred embodiment the strap is configured with open holes, eg quadrangular
holes with a pair of opposed internal edges that are essentially in parallel with
the strap. Thereby improved fixation is accomplished, and when the strap is elastic
the advantage is accomplished that the hole is deformed uniformly thereby facilitating
arrangement of the strap on a coupling means on the lamp which is preferably configured
as a hook for being received in a hole along the strap. The hook can be configured
such that it may cooperate with the strap in different directions for the strap. In
accordance with one embodiment it may be a double hook, whereby the strap can be reliably
secured in two opposed directions.
[0010] Alternatively or as a supplement the strap may be provided with protruding studs
for receiving one or more holes in the lamp for temporary interconnection thereof
to each other.
[0011] It is not crucial to the invention where on the lamp the coupling means is arranged,
but in a preferred embodiment a coupling means is arranged on the front of the lamp
housing, whereby the lamp can very easily be fixated on vertical or horizontal building
parts. The coupling means on the lamp may also be provided on a bracket which is turnably
secured onto the lamp housing, where the bracket may be configured as a handle or
a base. Turning of the handle or the base provides further options for arrangement
of the lamp in many stable positions.
[0012] For use in connection with relatively large lamps, a preferred embodiment provides
the option of arranging several straps simultaneously on the lamp, in such a manner
that each strap is secured in two locations on the lamp. Preferably the coupling means
are arranged on the lamp housing in proximity of a connection for an electric wire,
said lamp thereby exhibiting the best possible directional stability, meaning that
its orientation is preserved even in case a given pull is exerted on the wire.
[0013] The invention will be explained in further detail in the description of an embodiment
with reference to the drawing, wherein:
Figures 1-8 shows different options available for suspension of the embodiment;
[0014] The examples of the many options available with the lamp according to the invention
are far from exhaustive.
[0015] Reference is now made to Figure 1 which shows a lamp comprising a lamp housing 1
and comprising a lamp glass, behind which a reflector 2 is located and one or more
light sources 3. On the lamp glass, ie the front of the lamp, a hook 4 is provided
which is configured to be received in one of the holes shown by 5 in a strap 6 which
is preferably made of rubber. The strap is secured onto the rear of the lamp housing
as is shown by 7 in Figure 2. Figure 2 shows the lamp suspended around eg a horizontal
pipe 8, said strap also being secured to the front of the lamp housing as is shown
in Figure 1. Figure 2 shows the lamp suspended vertically below the pipe 8; however,
if it desired that the lamp is to shed light eg diagonally upwards, one may wind the
strap one more time around the pipe 8, and depending on which hole is used for providing
attachment around the hook 4, one may tighten the lamp to shed light diagonally upwards.
[0016] Figure 2 also shows a handle 9 which is turnably secured to the lamp housing 1 around
a journaling, preferably a frictional journaling or a journaling for incremental fixation
of the handle in different positions. By a preferred embodiment an electric wire 10
is taken out coaxially with the axis of swinging of the journaling.
[0017] In Figure 3 the handle 9 is turned upwards, and the strap 6 is attached to the top
face of the handle, a hook being provided on the handle identical with the one shown
by 4 in Figure 1 (see Figure 4), whereby, during transport of the lamp, the wound
wire can be secured by means of the strap 6 as shown in Figure 3. Here, it may also
be convenient, albeit not necessary, for the strap 6 to be elastic.
[0018] Figure 4 shows how the handle 9 is preferably provided with a hook 14 for cooperating
with the strap, whereby the strap can be secured against pulls in mutually opposite
directions. Figure 4 also shows how the rear of the lamp can be configured with power
outlets 13 that may advantageously be arranged like the wire 10, meaning that the
orientation of the lamp is not significantly influenced when the electric cables are
pulled.
[0019] Figures 5 and 6 show a further use of the lamp according to the invention where the
strap 6 is arranged around a horizontal building part 11. Here the great advantage
is shown of providing a hook like the one shown by 4 in Figure 1 on the handle 9,
since, by turning of the handle - either incrementally or continuously with friction
- it is possible to arrange the lamp in almost any direction around the building part
11. In case of a very heavy lamp it is also an option that the lamp has more than
one strap 6, eg two straps that may be arranged in succession in figures 5 and 6.
By the embodiments shown in figures 5 and 6 the straps may conveniently exhibit a
certain frictional resistance around the building part, and the securing force could
be adapted to precisely the requisite degree by adequate tightening of the elastic
strap.
[0020] The term 'work lamp' does not restrict the invention to be advantageous only in connection
with the exercise of crafts; rather, the lamp is also suitable for being used as temporary
illumination for other purposes. For instance, the example shown in Figure 6 will
be extremely suitable for mounting of a number of lamps underneath a canopy where
the tube 11 can be a part of the canopy and where the canopy may shelter eg a pavement
café or a green stall.
[0021] By the embodiment shown in Figure 1 the strap 6 is tightened relatively much, whereby
the lamp housing 1 is caused to abut on an elongate building part 12. It will be understood
that the lamp could be arranged as shown in Figure 1, irrespective of the orientation
of the building part 12; albeit, of course, it also depends on the lamp's own weight.
[0022] Figures 7 and 8 show further examples of how the lamp may be secured, wherein, on
the one hand, one uses the function mentioned in the context of Figure 1 to advantage,
but also the circumstance that the handle 9 can be used as a further aid in reliably
fixating the lamp in many different positions. It will be understood that, instead
of the turnable handle 9, it is also an option to use a turnable base, since a base
would contribute to the options of attachment in the same way as some of the above-described
examples.
1. A work lamp comprising a lamp housing and a light source and a strap secured to the
lamp for temporary attachment of the lamp, said strap having a number of coupling
means distributed along the strap, characterised in that the lamp has at least one coupling means for cooperating with the coupling means
along the strap.
2. A work lamp according to claim 1, characterised in that the strap is replaceably attached to the lamp.
3. A work lamp according to claim 2, characterised in that the strap is adjustably secured in its longitudinal direction.
4. A work lamp according to claims 1-3, characterised in that the strap is secured to the rear of the lamp housing.
5. A work lamp according to claims 1-4, characterised in that the strap is elastic.
6. A work lamp according to claims 1-5, characterised in that the surface of the strap has a high degree of frictional resistance.
7. A work lamp according to claims 1-6, characterised in that the coupling means that are distributed along the strap are configured as open holes
with a pair of opposed, internal edges that are essentially in parallel with the strap.
8. A work lamp according to claims 1-7, characterised in that the coupling means distributed along the strap are configured as protrusions configured
for cooperating with corresponding coupling means on the lamp.
9. A work lamp according to claim 7, characterised in that the coupling means on the lamp is configured as a hook for being received in a hole
along the strap.
10. A work lamp according to claim 9, characterised in that the hook is configured for being receivable in and able to secure the straps in several
orientations of the strap.
11. A work lamp according to claim 10, characterised in that a coupling means is arranged on the front of the lamp housing.
12. A work lamp according to claims 1-11, characterised in that a coupling means is arranged on a bracket which is turnably secured to the lamp housing.
13. A work lamp according to claim 12, characterised in that the bracket is configured as a handle.
14. A work lamp according to claim 12, characterised in that the bracket is configured as a base.
15. A work lamp according to claims 1-14, characterised in that the lamp housing has coupling means for cooperating with several straps at the same
time.
16. A work lamp according to claims 1-15 and wherein the lamp housing comprises a coupling
for an electric wire, characterised in that one of the coupling means on the lamp housing is arranged in proximity of the connection
for the wire.