DE69822865T2 - LIGHTING DEVICE WITH ADDITIONAL LIGHT - Google Patents

Abstract

A light fixture apparatus includes a support frame (10) mounted to the wall and an auxiliary or examination light source (40) coupled to the support frame (10) and movable from a first stored position to a second deployed position. A first switch (32) in series with the auxiliary light source (40) is opened when the auxiliary light (40) is in the stored position and closed when the auxiliary light (40) is in the deployed position. The light source (40) has three degrees of adjustment. The light source (40) is connected to one end of telescopic members (60) which are pivotally connected at its second end to the support frame (10) to pivot about an axis transverse the telescoping axis. A safety switch (110) is provided adjacent the telescopic members to sense the pivoting.

Description

background and Summary of the Invention

The The invention relates generally to lighting fixtures for assembly on a wall of a room and in particular has an improved Additional lighting for Patient for mounting on the wall of a hospital room to the subject.

Some conventional Hospital rooms are with one on a wall of the hospital room fitted rail mounted. Lighting devices, sockets and various other ancillary facilities will be on this track arranged. A typical example is that of the company Hill-Rome in Batesville, Indiana, and in US Pat. 5,735,593 issued April 7, 1998 to Integris Patient Light and headwall system. The additional light source disclosed therein rotates around an axis parallel to the wall and can be used as examination light to be used. This light can be moved in only one position.

The US Pat. No. 4,097,919 describes a particular use provided in hospitals Lighting system with an elongated flat fitting for fluorescent tubes on the side and parallel to a rail, a reading / examination lamp on one end of a telescopic boom, the other end being pivotable is connected to a boom bracket which is rotatable on a sitting along the rail moving car. The lighting device includes facilities for a down-shining illumination with low brightness and a radiant with greater brightness side lighting.

The Invention has an additional or examination lamp for a hospital room to the subject, which is freely movable in more than one direction is.

The Lighting device according to the invention is for mounting on the wall of the room and preferably a hospital room educated. It includes a wall-mounted support frame and an additional or examination light source connected to the support frame, which brought from a first rest position to a second working position can be. Also, the lighting device depending on the design a further light box connected to a frame and equipped with a light source. A first with the additional light source in series switch opens, when the auxiliary lighting is in the rest position, and closes when the additional lighting occupies the working position. An ON / OFF switch is connected in series with the first switch and the auxiliary light source. During the ON / OFF switch is preferably connected to the support frame is located the first switch on the support frame to the rest or working position to detect the additional light source. A transformer for the light source is in communication with the support frame and is electrically connected to the first switch and the additional light source connected. Also can one fan connected to the additional light source and electrically to the first Switch and the additional light source can be connected.

One Pair of telescopic members moves relative to one another along a first axis and connects the additional light source with the support frame. By telescopic members, the additional light source from the rest position be moved to the working position. The additional light source is rotatably connected to a first end of the telescopic members. A Console is pivotally connected to the first end of the telescopic links in conjunction, about a transverse to the first axis second Pivot axis. The additional light source is connected to the console. this leads to for pivotal movement of the additional light source about the second axis. The Extra light source is pivotally connected to the console to order to pivot a transverse to the second axis extending third axis. A stop is provided to the pivoting movement of the additional light source to limit the third axis. Thus, the light source is three times movable, to the first along the first axis of the telescopic links, to the second pivotally about the second axis and third pivotally around the third axis. Alternatively, the pair of telescopic members relative to each other. Again, a stop is provided to the limit relative rotation of the telescopic links. In this embodiment the light source is pivotable with the first end of the telescopic members connected to run in the direction transverse to the first axis to pivot the second axis.

at both embodiments the telescopic links are pivotable at the second end with the bracket connected to a pivoting movement about a transverse to the first To perform axis extending fourth axis. The frame includes one Stop and a spring for biasing the telescopic links around the fourth axis in the direction of the stop. Next to the telescope links is a switch for detecting the pivoting movement about this fourth Axis arranged. This switch is a safety switch, which is so connected with the electrical system of the bed that with a pivotal movement of the telescopic links up the safety switch opens to to interrupt the power supply to the bed.

A cover is connected to the support frame and has a first of the support frame outgoing contour. A housing for the additional light source has in the rest position a second outgoing from the holder contour similar to the first contour of the cover. The additional light source comprises opposing end walls which extend in the rest position in the transverse direction of the support frame. The lamp of the additional light source is arranged in the housing so that the light of the lamp exits through an opening in one of the end walls.

Further Objectives, advantages and novel features of the present Invention are from the following detailed description of the subject invention with reference to the attached drawings seen.

Summary the drawings

1 an exploded perspective view of a lighting device including the auxiliary lighting according to a first embodiment of the invention;

2 a front view of a lighting device with at rest additional lighting;

3 an exploded perspective view of a filling wedge according to the principles of the invention;

4 an exploded perspective view of the first embodiment of the lighting housing assembly;

5 an exploded perspective view of the first embodiment of the telescopic assembly;

6 a schematic representation of the circuit of the additional lighting;

7 a schematic representation of the circuit of the safety switch;

8th an exploded perspective view of a second embodiment of the lighting device according to the invention;

9 an exploded perspective view of the second embodiment of the lighting housing assembly; and

10 an exploded perspective view of the second embodiment of the telescope assembly.

detailed description of the preferred embodiments

A lighting device according to the first embodiment of the invention is shown in FIG 1 shown. The arrangement comprises a support frame 10 mounted on the wall of the room and with covers attached 19 under which there are compartments or which can accommodate lamps, sockets and other ancillary equipment. In an opening between a pair of covers 19 is located as in 2 shown, an additional lighting 40 with a filling wedge arrangement 20 , The contour of the filling wedge arrangement 20 and the additional lighting 40 at rest according to 2 Seen from the support frame, is the contour of the covers 19 similar or exactly adapted. So is the additional lighting 40 in its rest position, so the lighting device with the exception of the handle 44 the additional lighting 40 a uniform contour. The additional lighting 40 moves through the telescope assembly 60 also turning or panning the auxiliary lighting 40 allowed about two transversely extending axes, between their rest position and their working position. A rail housing arrangement 90 is also part of the additional lighting 40 associated facilities. Details of these devices are described below with reference to the other figures.

The supporting frame 10 includes the bar 12 for holding various elements and for forming an upper part of the rail 14 , The optional devices are from the rail 14 recorded, as described in the aforementioned patent application. The supporting frame 10 has in its front wall mounting channels 16 as well as in the bar 12 mounting channels 17 and 18 ,

In the 3 shown Füllkeilanordnung 20 includes a wedge 22 with an inner wall 24 and an outer wall 26 , A console on the back of the inner wall 24 behind the wedge 22 is on a console 30 by fasteners 29 appropriate. With fasteners 31 is the console 30 on the back wall of the wedge 22 assembled. fastener 27 serve to fasten the outer wall 26 on the wedge 22 , The desk 32 with feeler 34 is at the console 36 by fasteners 33 appropriate. The console 36 is with the wedge 22 by fasteners 35 connected. The inner wall 24 has a slot 38 through which the feeler 34 extends. The desk 32 determines if the auxiliary lighting 40 is in their resting position or in their working position. fastener 37 according to 1 pass through openings in the console 39 the inner wall 24 and are from the fastener channel 17 the bar 12 aufgenom men to the filling wedge arrangement 20 on the support frame 10 to install.

The additional lighting 40 is in 4 shown and includes a housing 42 with one by fastener 43 attached handle 44 , A slide rail 46 is at the back of the case 42 by fasteners 45 mounted and comes with the wall 97 of the lower case 94 the rail housing arrangement 90 (please refer 1 ) to bring the auxiliary lighting in its corresponding rest position. A lid ring 48 in which the lens 50 through the holder 52 and fasteners 51 is arranged is by fastening means 47 with the end wall of the housing 42 connected. A heat sink 54 with lamps 58 is at the other end of the case 42 by fasteners 53 assembled. At the lamp 58 it is preferably a halogen lamp. The heat sink 54 includes slots formed therein 55 and 56 for receiving one from the other end wall plate 82 outgoing or with the telescope arrangement 60 connected part. The opening 57 is also for receiving a blower 59 provided as described with reference to the second embodiment and in 9 is shown.

The telescope arrangement 60 is in detail in 5 to see. A floating plate 62 includes a hinge 64 using it with fasteners 63 is attached. The by the hinge 64 passing fasteners 61 are taken up by the telescopic arrangement to this with the support frame 10 to connect (see 1 ). A Z console 66 is with the floating plate 62 by fasteners 65 connected. As will be described in more detail below, acts the Z-console 66 with a limit switch 110 according to 1 together to the position of the around the axis of the hinge 64 rotating telescope arrangement 60 to determine.

From the floating plate 62 starting is a guide 68 for the slider 70 intended. The slider 70 has an elongated recess 72 through which the pen 74 extends to the telescopic movements of the slider 70 within the leadership 68 to limit. At the end of the slide 70 there is an opening 76 whose axis is transverse to the sliding axis of the slider 70 forms extending axis of rotation. A screw 78 passes through the U-shaped console 80 and the opening 76 to the console 80 pivotable with the end of the slider 70 connect to. camp 77 are also from the opening 76 taken, and a mother 79 and the washer 81 serve to receive the end of the screw 78 , The warehouse 77 and the screw 78 can be made of Teflon coated brass. It should also be noted that the slider 70 provided with a Teflon coating and adequate lubrication within the guide 68 is guaranteed.

The end wall 82 which the end wall of the auxiliary lighting 40 forms, includes a console 84 , The console 84 has an arcuate slot 86 and an opening 87 , fastener 83 pass through the openings in the console 80 and the slot 86 as well as the opening 87 in the console 84 , The fasteners 83 include washers 85 and nuts 89 , While it is with the parts 85 is flat discs, is 85A a conical washer and 85B a pressure washer. The console 84 and thus the end wall 82 as well as the additional lighting 40 turn around the fastener 83 in the opening 87 , The fastener 83 in the arched slot 86 serves to limit the rotation of the end wall 82 and the additional lighting 40 to a value of approximately less than 90 °. The one from the end wall 82 outgoing flange 88 also extends over the slider 70 , The slots 55 and 56 in the heat sink 54 take the consoles 80 and 84 on. By the fastener 75 to 1 is the end wall 82 with the additional lighting 40 connected.

According to 1 are springs 69 above the floating plate 62 by fasteners 71 are mounted, and spring mounts 73 provided by openings 67 the floating plate 62 and in the bar 12 of the supporting frame 10 run. The feather 69 serves to bias the floating plate 62 against the bar acting as a stop 12 , As a result, the telescope arrangement 60 held in their horizontal position. Should the bed or any part of the bed be against the auxiliary lighting 40 hit, so swings the floating plate 62 up against the springs 69 , As will be described below, the Z-Console overlaps 66 with the safety switch 110 to indicate that the auxiliary lighting 40 has been moved from its normal position.

In the 1 shown rail housing assembly 90 includes a top cover 92 by means of fasteners 91 with the outer wall 26 the filling wedge arrangement 20 connected is. How out 2 seen, is the cover 92 a continuation of the contour of the housing 42 the additional lighting. A lower case 94 the rail housing arrangement 90 encloses the floating plate 62 and a substantial part of the leadership 68 as well as the entire spring 69 , An opening 96 in the front wall of the lower case 94 allows extension of the slide 70 and includes the side wall 97 , On the top of the lower case 94 there is a channel 98 , One from the top of the lower case 94 outgoing flange 100 takes fasteners 99 on which the housing is on the support frame 109 is mounted, with the fasteners 99 from the fastener channel 16 to be included.

An upper plate 102 is with the channel 98 by attachment means 101 connected. This plate then forms the upper housing. An upper case 104 is on the upper element 102 by fasteners 103 and on the top cover 92 by fasteners 107 appropriate. A holder 106 is on the front wall of the lower case 94 by fasteners 107 assembled. The holder 106 comes with the bottom of the case 42 the additional lighting engages and carries them in their rest position. An ON / OFF switch 108 is located on the upper housing 104 , A safety switch 110 is at the top of the lower case 94 provided and has a downwardly extending plunger 112 for alignment with the Z console 66 the telescope arrangement 60 , Will the telescope arrangement 66 turned up from its normal position, so does the plunger 96 pressed down, causing the switch 110 opens and the circuit to the bed is interrupted.

A transformer 116 is with double-sided adhesive tape on the bar 12 of the supporting frame 10 attached.

According to the schematic representation in 6 is the ON / OFF switch 108 with the switch 32 connected in series, which closes when the light is in the extended position. The switches are over the transformer 116 with the light 58 and the blower 59 connected. Although the ON / OFF switch is shown for connection to the support frame, it can also be found on the auxiliary lighting 40 be mounted if desired. Should the ON / OFF switch 108 close, when the auxiliary lighting is brought to its rest position, the switch opens 32 , This prevents the light from remaining on and overheating at rest.

The schematic diagram of the circuit for the safety switch is in 7 shown. The safety switch 110 is open when the auxiliary lighting and more precisely the telescope arrangement 60 be turned out of their normal position. Also shown is the safety switch 118 , which is connected to the other switch on the support frame 10 connected lighting device can be connected. These safety switches are connected in series with the bed circuit. This is described in the aforementioned patent application.

The second embodiment of the auxiliary lighting is in the 8th to 10 shown. The parts having the same structure and functions are denoted by the same reference numerals as in the embodiment 1 to 7 characterized. The filling wedge arrangement 20 including switches 32 with feeler 34 is equal to. The additional lighting 40 according to 9 is largely identical with the exception, however, that the heat sink 54 additionally with a blower 59 equipped, the air through the opening 57 sucks. Also, the shape of the heat sink 54 shown in a modified version.

The main difference between the first and the second embodiment lies in the telescope arrangement 60 , In this case, the changed parts are marked with the letter "A", that of the floating plate 62 outgoing console 66A acts with the safety switch 100 and the plunger 112 together. Also on the console 66A mounted is an end of the telescopic members, including guide tubes 68A and sliding tube 70A belong. How out 10 can be seen, includes the slider 70A an extendable pen 74A , where he has a channel within the guide 68A cooperates to the rotation angle of the slider 70A relative to the leadership 68A to limit to about 90 °. An end cover 120 is at the end of the guide 68A and is with this by the set screw 122 connected. The pencil 74A also comes with the end cover 120 engages and thus limits the extension movement along the first axis. The console 80A is by means of screw 78 and washer 81 swiveling at the end of the slide 70A arranged. With fasteners 83A is the end wall 82A at the console 80A appropriate. Over the slot 124 in the end wall 82A can the auxiliary lighting 40 over the slider 70A to be turned around.

The upper part of the rail housing 90 is changed, with the ON / OFF switch 108 located in the middle. The location of the safety switch 110 and the structure of the lower case 94 have not been changed from the embodiment in the previous figures.

Even though the present invention is described and illustrated in detail is considered to be presumed to be solely illustrative by example and not in a limiting sense is. A delimitation of the scope of the invention is only by the Formulations of the attached claims given.

Claims (27)

A lighting device consisting of a support frame ( 10 ), one with the support frame ( 10 ) connected light source ( 58 ) which can be moved from a first position to a second position, wherein the light source is rotatable about a first and about a second axis, and a first switch ( 32 ) in series with the light source, characterized in that the device is intended to be mounted on a wall of a room, the support frame ( 10 ) can be fixed to the wall of the room into which the light source ( 58 ) can be moved from a rest position to a working position, and that the switch ( 32 ) is open when the light source ( 58 ) in the rest position, and closed when the light source ( 58 ) is in the working position. The device according to claim 1, comprising a pair of telescopic members ( 68 . 68A . 70 . 70A ), which are movable relative to each other and which the light source ( 58 ) with the support frame ( 10 ) connect. The device according to claim 2, wherein the telescopic members ( 68 . 68A . 70 . 70A ) rotatable at a first end with the support frame ( 10 ) are connected so that they can rotate about a third axis transverse to the first axis. The device according to claim 3, wherein the support frame has a stop ( 12 ) and a spring ( 69 ), a bias of the telescopic links ( 68 . 68A . 70 . 70A ) around the third axis to the stop causes. The device of claim 3 or claim 4, which includes a switch ( 110 ) which abuts the telescoping members and detects the rotation about the third axis. The device according to claim 1, comprising a pair of telescopic members ( 68 . 70 ), which are movable relative to each other along a third axis and the light source ( 58 ) with the support frame ( 10 ) connect. The device according to one of claims 2 to 6, wherein the light source ( 58 ) rotatable with one end of one of the telescopic members ( 70 ) connected is. The device according to claim 7 and dependent on claim 6, which is a holder ( 80 ) which is rotatably connected to the end of one of the telescopic members about the first axis, wherein the first axis is transverse to the third axis, and wherein the light source ( 58 ) with the bracket ( 80 ) connected is. The apparatus of claim 8, wherein the light source is rotatable with the support (10). 80 ) so that it can rotate about the second axis, the second axis being transverse to the first axis. The device according to claim 9, comprising a stop ( 83 . 86 ) which limits the rotation of the light source about the second axis. The device according to claim 1, comprising a pair of telescopic members ( 68A . 70A ), which are movable relative to each other along the first axis and the light source ( 58 ) with the support frame ( 10 ), wherein the pair of telescopic members is rotatable relative to each other about the first axis. The device according to claim 11, wherein the pair of telescopic members comprises a stop ( 68A . 74A ) to limit the relative rotation. The device according to claim 11 or claim 12, wherein the light source ( 58 ) rotatable with a second end of the telescopic members ( 68A . 70A ) so that it can rotate about a third axis transverse to the first axis. The device according to one of claims 2 or 6 to 13, wherein the telescopic members ( 68 . 68A . 70 . 70A ) rotatable at a first end of the support frame ( 10 ) are connected so that they can rotate about a fourth axis transverse to the third axis. The device according to claim 14, wherein the support frame has a stop ( 12 ) and a spring ( 69 ) which causes a bias on the telescopic members about the fourth axis towards the stop. The device of claim 11 or claim 12, which includes a switch ( 110 ) which abuts the telescoping members and detects the rotation about the fourth axis. The device according to any one of the preceding claims, comprising an on / off switch ( 108 ) in series with the first switch ( 32 ) and the light source ( 58 ) having. The device according to claim 17, wherein the on / off switch ( 108 ) with the support frame ( 10 ) connected is. The device according to any one of the preceding claims, wherein the first switch ( 32 ) with the support frame ( 10 ) connected is. The device according to any one of the preceding claims, comprising a transformer connected to the support frame and electrically connected to the first switch (10). 32 ) and the light source ( 58 ) connected is. The device according to any one of the preceding claims, comprising a fan ( 59 ), which is connected to the support frame ( 10 ) and electrically connected to the first switch and the Light source is connected. The device according to any one of the preceding claims, comprising a cover ( 92 ) connected to the support frame ( 10 ) and which has a first profile which protrudes on the support frame, and a housing ( 42 ) for the light source, which, in the rest position, has a second profile that protrudes from the support frame and is similar to the first profile. The device according to any one of claims 1 to 21, wherein the light source is a housing ( 42 ) with opposite side walls, which, in the rest position, transverse to the support frame ( 10 ) stand. The device according to claim 23, wherein the light source comprises a luminous element in the housing ( 42 ) and wherein one of the side walls has an opening for the illumination by the luminous body. The device according to claim 23, comprising a cover ( 92 ) connected to the support frame ( 10 ) and having a first profile which protrudes on the support frame, and an opening in the cover to receive the light source in the rest position. The device according to claim 25, wherein the housing ( 42 ) has a second profile for the light source in the rest position, which on the support frame ( 10 ) and similar to the first profile. A lighting device according to any one of previous claims, wherein the light source is an additional light source and wherein the device furthermore a lighting housing which is connected to the support frame, wherein the lighting housing a Has light source.