US1542618A - Adjustable bracket - Google Patents

Description

June 16, 1925. 1,542,648

4 w. LINDHOLM ADJUSTABLE BRACKET Filled Nov. 9I 1925 Sgtowu' l Patented June 16, 1925.

l1,542,618 'Y l .PATENT OFFICE.

r..wILLIAr/r-Lnvnnoravi. or BRIDGEPORT, CONNECTICUT.

ADJUSTABLE BRACKET.

Application Ale'd. 4Il'oveniber To all whom t may cof/wem: Y

Be 1t known that I, WTLLIAM L INDHOLM, a

citizen ofthe `United States, residing at"` "Bridgeport, county of Fairfield, Statek ofu Y45 Connecticut, 'haveinvented a new and useful" Adjustable Bracket, ofy which lthe, vfol-k V lowing is a specification.

This `invention relatesto adjustable b'rack-zV 4 ets yfor carryingcertain articles. which it is" desirable should have universal adjustment in a horizontal plane. Ihave shown this bracket adapted for supporting therapyy lamps but it is, of course, adaptedfor. other uses.

`It is an objectfof the invention to provide a support for theselamps or 'other devicesV which will be very simple in construction, butin which all of the adjustments required quickly secured." j Y y l.

` With "the foregoing and othery objects in in a horizontal'plane may be easily and View, Ihave devised vthe construction illus-f trated in the accompanying. drawing form# ing a part Aof this spec1iicat1on,s1m1lar reference characters being employed through-fl outy the various figures to indicatev corre-'f "spending elements. In this drawingbracket as usedfonsupporting 'a depending lamp.

Fig. 2 is a detailed transverse section substantially on line 2 2 vof Fig. 1.

Fig. 3 is a transverse section substantially on line 3-3 of Fig. 1, and

Fig. 4 is a top plan view of the sliding tubular support removed from the bracket.

My improved supporting bracket comprises three main elements, a support 10 adapted to be secured to an upright wall 11, an arm 12 and a tubular supporting element 13. The support 10 may be secured to the wall by any suitable means, such as screws 14, and has a pairsof laterallyprojecting lugs 15 between whichsimilar lugs 16 earried by the arm 12 are pivoted by any suit-l able means, such as bolts 17.v The arm 12 is preferably of triangular shape in side elevation and it is so pivoted in the support 10 that it may Swingin a horizontal plane. 5 The sides of this arm are preferably substantially -T-shaped inA cross section, as shown in Figs. 2 and 8, as this produces a very strong construction compared with the 9', 1523. Serial N'O. 673,741.

amount of metal used. Thejlower edge 18 of'thisarm yis straight and the T-s'ection provides laterally projecting anges 19 adjacent this loweredge. f

Carried by the arm adjacent its free end rand ,spaced a suitable distance below the loweredge, is a transversel roller 20. VThis roller is preferably mounted by forming integral with thev arm a pair ofdownwardly extendinglingers 21 onopposi'te sides of the arm, and the' rollervis mounted-between these fingers on a suitable bolt.v or pin 22. The tubular supporting -rod `13 'is mounted to run on the top of'this roller, and to prevent this tube rubbing against the inner sur- Vfaces of the fingers 21 the roller 2O is preferably provided with a central peripheral groove 23, as shown kin Fig. 3, in which the tube y rests. The ktube extends longitudinally ofthe lower edge of the arm 12 and carries at its inner enda roller 24 which is adapted to run'on the lower edge of the arm 12,'and vrthis roller will be heldgagainst the lower Vedge of the arm .by the `weight of any ob- .ject suspended from the projecting free end s of the tubular rod.. ,"lo'prevent the inner endnof this tube 'dropping away from the Fig. l is a side elevation of my improved arm apair of elements 25 are carried by the tube `so shaped as to embrace the outer edges of the ange 1-9 and extend above the upper surface of these flanges, as shown in Fig. 2. It will be apparentk that they will prevent the roller 24 and the inner end of the tube from dropping away from the arm should the weight carried by the free end of the tube not be suficient'to prevent this. They also act as lateral guides to reta-in the tube in alignment with the lowerv edge of the arm. They may be secured to the tube by any suitable means, such vas a pivot pin 26 for the roller 24, and the screws 27.

Then this bracket is employed for sup porting a therapy lamp indicated in outline at 28 I prefer to use a reel enclosed in a casing 29, the lamp'bein'g suspended from this reel by a cord 30 which also encloses the lead wires for conducting the necessary electric current to the lamp. The lamp may beadjusted vertically by winding more or less of this Vcord on the reel, a spring and suitable catch mechanism being empolyed for this purpose. I have not shown the construction of this reel as it is well-known and forms struction Ysupportsthe lead'wires out of the tube and separate the opposite sides to provide the spaced arms 33 between which the roller is mounted on the pin or bolt 26. As

4the support S13isftubular tlie'c'rd' 345 icarying the lead "wiresffrom suitable 'sourceof current supply are passed "through this 'tube to tlie reel, ask shown'in Fig. 4l. rIhis conway where Athey cannotfcatcli'on otherobjects when vthe" position'of 'the 'lampis adjusted,iaiid italsoprotects tlie'sewires from injury.

It will be appsai'ent'thatthis 'constri'iction is a lverysimple one andstrong 'and rigid.

` Also that the vlamp may 'begiven all'the re- `quired adjustments 'fina horizontal plane,

Vtlievei`"tic'al adjustments 'being secured in the reel 29. As the tube 13 rides'on thefro'ller 2O and has a roller iunningonthe lower edge 18 of Vthe arm A12, thetubeY l13 is 'Very' easily moved in or out'longitudinally of'tliis lower edge, practically no effort being required to secure "these" movements. To limit these movei'nents aV ldownwardly projecting stop lug is provided on the arm 12 with a similar Aprojecting lug 3G carried by the tube 13 adapted to engage this'l'ug to limit the outward movement of the tube, while-the inward movement may be limited byfa similar vlug 37 adapted'to engage the free end of the Having thus set forth the nature of my invention, what I claim is:

1. In a supporting bracket, a support adapted to be secured to a vertical wall, an arm pivoted to said support and adapted to swing in a horizontal plane, said arm havingV a straight lower'edge, a supporting means projecting below said edge adjacent -theouter end of the arm, a tubular support mounted to reciprocate on said supporting means longitudinally of said lower edge, the outer end of said tube beingsplit to yprovide spaced arins,"a` support mounted between said arms, the innerend of the tube being also 'split to ff'orm 'spaced arms, a roller mounted Abetween said "armsy fand adapted to run Von said lower edge, and means to `pre vent'said roller `m`ovi`ng away 'fionrsaid arm.

2. In a supporting bracket, a 'support ad'apted'to be secured to va Avertical wall, an arm pivoted to s`aid"'support and adaptedto swingin a horizontal plane,'s`aid arm having a straight 'lower' edge 'and' laterally project- 'in'g'flanges, a roller carried by said arm beneath the lower edgeadjacent the outer 'end of the: arm, a tubular support mounted on vsai d roller and ad apt'ed" 'for movement "longitudinally of said lower e'dge,`said'tube'being split at'its outerend to form spacedarms, a

support mounted 'between said arms, 'said Vtube'beingalso:split 'at its i'n'iier end to providespaced arms, a rollei" nio'ijinted-between said arms Aand 'ad'aptedto iunon the lower edge olf'the'arm, and `mea'ns 'carried by the tube adjaoentitsinner end yembracingsaid llateral langes to hold'the 'latter roller adjacent said lower edge. y

In testimonyfwhe'reof I'ax my signature.

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