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Publication numberUS2166394 A
Publication typeGrant
Publication dateJul 18, 1939
Filing dateAug 27, 1937
Priority dateAug 27, 1937
Publication numberUS 2166394 A, US 2166394A, US-A-2166394, US2166394 A, US2166394A
InventorsCrossley Royal E
Original AssigneeCrouse Hinds Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Floodlight mounting
US 2166394 A
Abstract  available in
Images(2)
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Claims  available in
Description  (OCR text may contain errors)

July 18, 1939.

R. E; CROSSLEY FLOODLIGHT MOUNTING Filed Aug. 27, 1937 2 Sheets-Sheet 1 INVENTOR. BY M ATTORNEYS.

July 18, 1939. R. E. CROSSLEY FLOODLIGHT MOUNTING Filed Aug. 2'7, 1937 INVE OR.

ATTORNEYS,

Patented July 18, 1939 UNITED STATES PATENT OFFICE FLOODLIGHT MOUNTING poration of New York Application August 27, 1937, Serial No. 161,303

4 Claims.

This invention relates to floodlights, and more particularly to a mounting for the same.

The invention has as an object a structure embodying means quickly and conveniently adjustable for permitting proper focusing of the fioodlight, and the structure further includes the provision of means by which the floodlight can be quickly moved out of focused position to permit the same to be conveniently relamped and returned to initial position without disturbing the focus adjusting means of the light.

The invention has a further object a iloodlight mounting of the type referred to including means operable to urge the fioodlight to adjusted position, and to maintain the same in such position.

The invention consists in the novel features and in the combinations and constructions hereinafter set forth and claimed.

In describing this invention, reference is had to the accompanying drawings in which like characters designate corresponding parts in all the views.

Figure l is a front elevational View illustrating a fioodlight and mounting embodying my invention.

Figure 2 is a side elevational View of the device shown in Figure 1.

Figure 3 is an enlarged perspective View of the adjustable plate member.

Figure 4 is an enlarged fragmentary perspec tive view of the mounting mechanism illustrating the fioodlight in a focused position.

Figure 5 is a View, similar to Figure 4, illustrating the floodlight moved out of focused position.

The floodlight may be of any suitable size and structure. As here shown, the floodlight consists of a metallic casing substantially bell shaped and having a cylindrical rear portion II in which the lamp receptacle is mounted, and the light may be equipped with a suitable lens I2 carried by a frame l3 pivoted to the casing ID, as at l4. The frame l3 may be secured in closed condition by any suitable means, and is swung outwardly about the pivot or hinge 14 to permit access to the interior of the casing for the purpose of renewing the lamp or making repairs to the unit.

The particular mounting shown includes a U shaped bracket 15 provided with a suitable means, such as a base I6, for attachment to a pole or support. The fioodlight casing is pivotally mounted between the ends of the bracket l5, and is movable about the pivot to adjust the beam of the light vertically, and preferably the bracket I5 is adjustable relative to the base l6 about a vertical axis to effect proper focus of the beam in a horizontal direction.

The means for effecting the vertical adjustment of the light is arranged on one side of the 5 casing, and is cooperable with one arm of the bracket l5. However, if desired, or if the casing I0 is of comparatively large size, the adjusting mechanism may be incorporated on both sides of the casing in conjunction with both arms of the bracket l5.

The adjusting mechanism, to which my invention is directed, includes a plate member 2|] in the general form of a quadrant, and provided with a hub 2| formed with an aperture 22 to 15 receive the pivot pin or bolt 23 extending through the upper end of the adjacent arm of the bracket l5. The plate member is adjustable about the pivot 23, and is formed with an arcuate slot 24. The casing in is formed with a boss 25 pro- 20 vided with a threaded aperture to receive a cap screw 26. The cap screw 26 is located from the pivot 23 so as to permit adjustment of the plate 20 about the pivot 23, the cap screw 26 extending through the slot 24, and when the plate 20 is 25 properly adjusted it is maintained in adjusted position by tightening the screw 26.

As shown in Figure 3, the side or end of the hub 2|, confronting the adjacent arm of the bracket I5, is formed with a shoulder 21 and 30 the surface 28, extending from the outer edge of the shoulder 21, is of spiral formation extending inwardly toward the plate 20 and terminating at the bottom of the shoulder 21. The inner surface of the upper end of the arm of bracket I5 is formed complemental to the confronting side of the plate member 20, or its hub 2|. That is, the bracket is formed with a shoulder 30 and with a spiral or cam surface extending from the shoulder. The spiral surface 28 on plate member 20 and the complemental surface on the end of the bracket [5 extend in opposite directions so that the shoulders 21, 30 form cooperating stop members to limit pivotal movement of the plate 20 relative to the bracket I5. Inasmuch as the plate member 20 is secured in adjusted position to the fioodlight by cap screw 26, pivotal movement of the floodlight relative to the bracket [5 is also limited.

The outer surface of the boss 25 is preferably formed with a smaller boss 3| having a pointed end extending toward the plate member 20 and acting as a pointer cooperable with the graduations carried on the outer side of the plate member 20. The pivot 23 extends through the upper end of the bracket arm, through aperture 22 in plate member 20, and is threaded or otherwise fixed in the side of the casing Ill. The outer end of the pivot 23 is threaded and provided with a hand nut 33 which, when tightened, securely clamps plate member 20 and the bracket together.

Due to the fact that floodlights are often mounted an appreciable distance from the ground on poles and similar supports and are subject to considerable wind pressure, it is desirable that the entire floodlight unit be of particularly light weight and accordingly, these units are usually formed of aluminum. Due to the inherent characteristic of this metal of being extremely soft, ordinary clamping means to hold the floodlight in adjusted position are not satisfactory. If the clamping surfaces are serrated, or otherwise formed to increase their frictional engagement, the serrations rapidly become worn off and the clamping means becomes ineffective to maintain the light in focused or adjusted position. Also, due particularly to the mounting of these units, it is desirable that the structure include the provision of means whereby the lights may be shifted or moved from focused position in order to aid in the operation of relamping the unit.

It will be apparent with those familiar with floodlight construction that my invention provides a particularly simple, economical and efficient means for overcoming these difiiculties.

When the unit is initially mounted, it is only necessary to move the plate 2i! to bring the shoulder 21 into engagement with the shoulder 30. Thereafter, the floodlight is properly focused in the vertical position by moving the same about its pivot 23, and the cap screw 26 tightened. The hand nut 33 is then tightened and the unit is maintained in focused position.

To relamp the unit, it is only necessary to loosen the hand nut 33 and swing the floodlight to the desired position. For example, from the focused position in Figure 4 to the horizontal position in Figure 5. After the relamping operation has been completed, the floodlight is swung back into focused position. That is, until the shoulder 27 engages the shoulder 38 and the hand nut 33 is again tightened. In the event that the hand nut should not be properly tightened after the relamping operation, or should become. loosened due to expansion or contraction of the unit, the floodlight will not move out of focused position. Any movement out of focused position will result in engagement of the spiral surfaces on the confronting sides of plate member 20 and the arm of bracket i5, causing a binding or clamping of the parts. However, inasmuch as these surfaces are flat surfaces and of comparatively great area, they will not become unduly worn or damaged, It is to be understood that the bracket I5 is so formed that the spacing between the ends of the arms thereof snugly engages the sides of the casing when the plate member 20, or the shoulder 21 thereof, is in engagement with the shoulder 30.

What I claim is:

1. The combination of a relatively fixed supporting bracket and a floodlight pivotally mounted thereto, a plate member mounted on the iioodlight in juxtaposition to said bracket and being adjustable about said pivot relative to the floodlight, means operable to secure said plate to the floodlight in adjusted position, the confronting sides of said plate and bracket being formed with integral stop members cooperable to limit the pivotal movement of said plate and floodlight relative to said bracket, said plate member and bracket being also provided on their confronting sides with means cooperable to urge said plate member in a direction to bring the stop member thereof into engagement with the stop member on said bracket.

2. The combination of a relatively fixed supporting bracket and a floodlight pivotally mounted thereto, a plate member mounted on said pivot intermediate said bracket and the floodlight and being adjustable about said pivot relative to the floodlight, means operable to secure said plate to the floodlight in adjusted position, the confronting sides of said plate and bracket being formed with integral stop members cooperable to limit the pivotal movement of said plate and floodlight relative to said bracket.

3. The combination of a U shaped bracket, a floodlight casing pivotally mounted between the ends of said bracket, a plate member mounted on one of said pivots intermediate the end of said bracket and the casing, said plate member being adjustable about said pivot relative to said casing, the confronting sides of said plate and bracket being formed with fixed stop members cooperable to limit the pivotal movement of said plate relative to the bracket, means operable to secure said plate to the casing in adjusted position, and means for securing said plate against rotation relative to said bracket.

4. The combination of a U shaped bracket and a floodlight casing pivoted between the ends of said bracket, a plate member mounted on the casing intermediate the same and said bracket and being adjustable relative to said casing,

means operable to secure said plate to the casing in adjusted position, the confronting sides of said plate and bracket being formed with integral shoulders operable upon engagement to limit the pivotal movement of said plate and casing.

and the confronting sides of said plate and bracket being also formed with inclined surfaces extending from the respective shoulders in opposite circumferential directions.

ROYAL E. CROSSLEY.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2428270 *Apr 25, 1944Sep 30, 1947Eaves Sound Projectors IncSupport for sound projecting apparatus
US2668904 *Jan 19, 1949Feb 9, 1954Century Lighting IncElectric lighting fixture
US2763774 *Mar 30, 1953Sep 18, 1956Westinghouse Electric CorpLighting fixture
US3185837 *Jul 5, 1962May 25, 1965Rotaffex Great Britain LtdElectric light fittings
US3226536 *Jun 15, 1962Dec 28, 1965Stonco Electric Products CompaLighting fixture
US3283140 *Oct 24, 1955Nov 1, 1966Gen ElectricStreet luminaire
US3287549 *Dec 19, 1963Nov 22, 1966Imagineers IncWarning light assembly
US4164009 *Mar 30, 1977Aug 7, 1979Hauserman, Inc.Light fixture
US4410933 *Sep 21, 1981Oct 18, 1983General Electric CompanyLuminaire trunnion degree marker and reset stop
US4472769 *Jul 21, 1982Sep 18, 1984Manville Service CorporationAdjustable lamp socket with cylindrical shield
US5609413 *Feb 12, 1996Mar 11, 1997Eclairage ContrasteAdjustable light fixture
US6290376Apr 5, 2000Sep 18, 2001Genlyte Thomas Group LlcAdjustment mechanism for luminaire
US6607292Sep 12, 2001Aug 19, 2003Genlyte Thomas Group LlcAdjustment mechanism for luminaire
US7296914Oct 26, 2006Nov 20, 2007Genlyte Thomas Group, LlcMultiple position luminaire
US7374310Sep 26, 2006May 20, 2008Genlyte Thomas Group, LlcGarage light luminaire with circular compact fluorescent emergency lighting optics
US7422350Apr 16, 2007Sep 9, 2008Genlyte Thomas Group, LlcPendent style luminaire split design
US7455428Mar 7, 2007Nov 25, 2008Genlyte Thomas Group LlcGasket for multiple position luminaire
US7484866 *May 9, 2006Feb 3, 2009Genlyte Thomas Group LlcAdjustable lighting fixture for sloped ceiling
US7510307Jan 25, 2008Mar 31, 2009Genlyte Thomas Group LlcTraditional style post-top luminaire with relamping module and method
US7547117Aug 8, 2007Jun 16, 2009Genlyte Thomas Group LlcMultiple position luminaire and bracket
US7575336Dec 28, 2007Aug 18, 2009Genlyte Thomas Group LlcIndirector light fixture
US7654707Apr 27, 2007Feb 2, 2010Qualcomm IncorporatedRear trim ring for a vandal resistant luminaire
US7712929Mar 6, 2008May 11, 2010Canlyte Inc.Lighting device with composite reflector
US7770858 *Aug 10, 2010Vega Grieshaber KgField device comprising a mounting bracket adapted for mounting to an attachment surface
US7841755May 5, 2008Nov 30, 2010Genlyte Thomas Group LlcLuminaire and mounting bracket combination
US7946734May 24, 2011Philips Electronics LtdLow up-light cutoff acorn style luminaire
US8061666Nov 22, 2011Philips Electronics LtdAdapter assembly for pole luminaire
US9188320Oct 2, 2007Nov 17, 2015Genlyte Thomas Group, LlcLuminaire junction box
US20070147031 *Sep 26, 2006Jun 28, 2007Claude BarozziniGarage Light Luminaire with Circular Compact Fluorescent Emergency Lighting Optics
US20070181764 *Jan 23, 2007Aug 9, 2007Josef FehrenbachField Device Comprising a Mounting Bracket Adapted for Mounting to an Attachment Surface
US20070253192 *Apr 27, 2007Nov 1, 2007Genlyte Thomas Group LlcRear Trim Ring for a Vandal Resistant Luminaire
US20080101075 *Dec 28, 2007May 1, 2008Genlyte Thomas Group, LlcIndirector Light Fixture
US20080137351 *Jan 25, 2008Jun 12, 2008Genlyte Thomas Group, LlcTraditional Style Post-Top Luminaire with Relamping Module and Method
US20080219008 *Mar 6, 2008Sep 11, 2008Canlyte Inc.Lighting Device with Composite Reflector
US20080232111 *Feb 26, 2008Sep 25, 2008Canlyte Inc.Low Up-Light Cutoff Acorn Style Luminaire
USD652557Jan 17, 2012Koninklijke Philiips Electronics N.V.Luminaire for road lighting
USD652978Jan 24, 2012Koninklijke Philips Electronics N.V.Luminaire for road lighting
DE102010011807A1 *Mar 18, 2010Sep 22, 2011Adam Hall GmbhSwingable holder for headlight utilized for illuminating concert area, has link assembly comprising arc shaped recesses through which retainer is passed, where retainer releases and determines position of cross beam to base element
EP2206628A1 *Feb 23, 2009Jul 14, 2010Wookang Tech. Co., Ltd.Structure for supporting lamp apparatus for vehicle
EP2743128A2 *Dec 10, 2013Jun 18, 2014Vision X Asia Co., Ltd.Lighting apparatus having angle indicating means
Classifications
U.S. Classification362/371
International ClassificationB60Q1/04
Cooperative ClassificationB60Q1/0483
European ClassificationB60Q1/04C