US1464699A - Shade holder - Google Patents

Description

1, 164fi99 w. A. DUNLAP SHADE HOLDER Aug. 14, 1 923.

Filed Sent. 22. 1920 15 1 1/ Jwvem Zwm:

Patented Aug. 14, 192 3.

SHADE T 0 all whom a: may concern:

Be it known that I, WILLIAM A. D UNLAP, a citizen of the United States, residing at Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Shade Holders, of which the following is a specification.

My invention consists of an improvement in shadeholders or the like adapted to be used to support a shade, reflector, or other similar device upon or around a lamp. It has for its object to provide a construction by which the shade may be easily and quickly attached or detached, and to provide for the support of a secondary relatively adjustable'protecting ring or apron, together with various other features of construction and advantage as shall be more fully hereinafter described. i

In the drawings which show one preferred embodiment of the invention:

Fig. 1 is a central vertical sectional view of the device, with the parts in normal position.

Fig. 2 is a perspective detail view of the supporting and clamping mechanism detached.

In the drawings 2 represents the receiving socket for the base 3 of an ordinary incandescent lamp 4, provided with a hollow threaded securing terminal 5 having an inner polygonal portion 6. The reflector or shade 7 which is usually circular and of any suitable contour is provided with an upper annular shouldered terminal8 above an annular groove 9 so as to ensure supporting engagement therewith of the inwardly rounded or bowed terminals 10 of a series of spring arms 11.

Arms 11, of which there may be three or more, are resilient and normally tend to spring outwardly away from engagement with the reflector terminal 8. They are fixedly connected with and depend from a supporting plate or ring 12, to whichthe upper ends of arms 11 are secured by being passed through and bent over or riveted thereon in shouldered engagement as shown at 13. By

off-setting the shanks of the spring arms in the manner shown, and electrically welding if desired, a rigid connection is provided, so that the arms will maintain their desired fixed and resilient character, with relation to the supporting plate 12.

Said plate is fixedly secured around the WILLIAM A. DUN LAP, PITTSBURGH, PENNSYLVANIA.

HOLDER.

AppIication filed September 22, 1920., Serial No. 411,886.

fit over the terminal 5, and secured tightly in position by a clamping nut 15. An upper annular protecting skirt or shield 16 fits by a central opening over terminal 5 and is also secured in position by the same nut 15 with suitable intervening gaskets or washers of any appropriate material. Shield 16 depends downwardly part way to the top of the main reflector 7 with an intervening space sufficiently wide to admit of access to the tightening and loosening mechanism of the spring arms 11. For such purpose, arms 11 are provided with a controlling ring 17 embracing the several arms, each of which is deflected inwardly, as at 18, providing a seating engagement with the ring. Ring 17 is provided with spaced terminal flanges 19 capable of being drawn together by a bolt or screw 20 ofsutlicient length to admit of ample expansion of the arms to release the reflector for removal, and of tightening to securely hold it in place. Ring 17 is also preferably welded or otherwise secured to one of the arms 11 about midway of its circumference, as at 21. By this means the terminals 10 of arms 11 may be drawn together to clamp the reflector, or by loosening the bolt, the arms and ring will expand, to release it.

A supplemental protecting apron or ring 22 is located between the top of the main reflector 7 and the upper fixed coping 16, and is supported upon the ring by an annular flange or off-set portion 23 between the main ring and an upper contracted terminal 24: thereof. The latter is of a diameter to fit around the arms 11, and the apron as thus made is capable of resting in its normal position as shown to protect the inner construction from the weather, or to be slipped upwardly above the ring to the position indicated in dotted lines, Fig. 1.

By this construction the apron 22 completely surrounds and protects the ring and clamping arms between the upper coping 16 and the reflector 7, and is easily thrust above the ring to give access to the tightening and loosening bolt 20, for applying or removing the reflector. Ring 17 is provided at two or more points with supporting lugs 25 formed by partly cutting out the metal of the ring and bending the severed parts outwardly therefrom as shown. The lugs 25 and the flange terminals 19 [engage and evenly support the portion 23 of apron 22 so that it hangs evenly around the ring andarms in the manner shown.

The construction and operation of the invention will be readily understood and appreciated from the foregoing description. It provides a positive and reliable clamping support for the reflector or shade which is easily and quickly opened orclosed and an eflicient protecting apron which can be very easily movedvertically to give access to the clamp.

lVhile I have shown and described one form of my invention, it is obvious that various changes may be made within the scope of the appended claims.

\Vhat I claim is:

1. A supporting clamp for reflectors com-- prising a plate having a recess formed there-- in for the reception of the base of a socket, said recess being centrally apcrtured and surrounded by a flange, a plurality of re silient arms depending from the flange, clamping terminals at the lower ends of said arms, and asplit ring embracing said arms a and provided with a bolt by means of which it may be expanded or contracted.

2. In a reflector supporting clamp, the combination with an upper supporting plate having a plurality of resilient spring arms depending therefrom, which have reflector engaging means on their lower ends, of an embracing ring surrounding the resilient arms intermediate their ends, laterally extending projectionson said ring, and a protecting hood surrounding said arms above said ring, said lateral projections beingffor the purposefof holding the hood in its lower- "most position. 3. An illuminating fixture comprising an uppermost hood, a reflector, means under said uppermost hood for supporting said reflector, clamping means associated with said supporting means for detachably supporting the reflector, an intermediate protecting.

hood surrounding said supporting means and vertically slidable thereon, said hood being movable vertically to give access to said clamping means.

4. The combination with lamp support provided with an upper coping, "a shade support for adjustahly engaging the shade, and means for effecting adjustment of the shade holding means, of a vertically movable protector mounted to slide on said shade supporting means and capable of being" thrust up into saidupper, coping, whereby access may be had to said adjusting means.

5. In combination with a lamp support, a plate fixedly mounted thereon provided with a plurality of depending resilient clamping arms,'an embracing dividing ring having terminal flanges, a tightening bolt passing through said terminal flanges lateral supporting lugs on said rings, of an annular apron normally supported on said lugs and slidahle. vertically on said resilient arms.

In testimony whereof I afiix my signature in presence of two witnesses.

. WILLIAM A. DUNLAP.

IVitnesses C. M. CLARKE, LOIS WINEMAN.

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