Portable surgical lamp

Claim 2

A portable light source comprising: a. a plurality of lamps; b. a horizontal, telescopic boom including support means for said lamps on one end thereof; c. means for counterbalancing said lamps on the opposite end of said boom; d. a vertically disposed telescopic mast for supporting said boom; e. a pluRality of indentations mutually spaced lengthwise of said mast and said boom for holding said telescopic mast and said telescopic boom in a plurality of fixed predetermined positions; and f. a base with rotatable legs attached to an extendible center section with a support coupling secured at an end remote from said legs, each of said legs and said support coupling connected by a flexible cable, whereby when said center section is extended said cables are placed in tension and draw said legs into a substantially horizontal operating positions.

Claim 3

A light source as recited in claim 1, wherein each of said lamps is supported by an adjustable arm whereby when said arm is adjusted, the light from said lamps impinges on the same area.

Claim 4

A light source as recited in claim 1, wherein said plurality of lamps is rotatably supported by said boom relative to said mast.

Claim 5

A light source as recited in claim 1, wherein said means for counterbalancing said lamps is the power source for said lamps, said power source being a battery.

Claim 6

A light source as recited in claim 1, wherein said boom is rotatably supported by said mast.

Claim 7

A light source as recited in claim 1, wherein said interlocking indentations are circular and equally spaced about the perimeter of elements of said telescopic boom and said telescopic mast, whereby the mutual tension of said circular indentation when in registering position prevents relative motion between said elements.

Claim 8

A light source as recited in claim 1, wherein said support coupling has a first internal circular recess with a plurality of vertically disposed slots communicating with a second internal circular recess of greater diameter than said first recess, said slots receiving said cables and said second recess receiving said cable ends, said cable ends being larger in diameter than said cables and said slots, whereby said cable ends are held in a fixed position against the smaller diameter slots when said cables are placed in tension by insertion of said extendible center section of said base into said first recess.

Claim 9

A light source as recited in claim 1, wherein said support means for said lamps comprises: a. a member having a central hub, a plurality of radially disposed U-shaped channels extending from said central hub and a recess centrally disposed in said central hub, said U-shaped channels opening upwardly in operating condition; b. a yoke including a tubular portion having peripherally disposed indentations, said tubular portion receiving at one end thereof a base member supporting a U-shaped member having vertical slots in the legs thereof; c. a tubular member having threaded mounting means extending transversely through registering apertures disposed at one end thereof and registering slots disposed at an opposite end of said tubular member, said threaded mounting means received in said vertical slots of said U-shaped member and said opposite end of said tubular member having said registering slots received in said recess of said central hub and means for securing said tubular member within said recess; d. fastening means extending transversely of the legs of said U-shaped channels for securing arms projecting beyond said U-shaped channels carrying said lamps; e. threaded means extending through the bight portion of each of said U-shaped channels for engaging said arms adjacent the end thereof secured in said U-shaped channels whereby upon adjustment of said threaded means said arms are raised and lowered; f. stud means projecting beyond the plane of the surface of said central hub forming the bight portions of said radially disposed U-shaped channels; and g. bail means releasably engaging said stud means for raising and lowering said plurality of lamps.

Claim 10

Support means for a plurality of lamps comprising: a. a member having a central hub, a plurality of radially disposed U-shaped channels extending from said central hub and a recess centrally dispOsed in said central hub, said U-shaped channels opening upwardly in operating condition; b. a yoke including a tubular portion having peripherally disposed indentations, said tubular portion receiving at one end thereof a base member supporting a U-shaped member having vertical slots in the legs thereof. c. a tubular member having threaded mounting means extending transversely through registering apertures disposed at one end thereof and registering slots disposed at an opposite end of said tubular member, said threaded mounting means received in said vertical slots of said U-shaped member and said opposite end of said tubular member having said registering slots received in said recess of said central hub and means for securing said tubular member within said recess; d. fastening means extending transversely of the legs of said U-shaped channels for securing arms projecting beyond said U-shaped channels carrying said lamps; e. threaded means extending through the bight portion of each of said U-shaped channels for engaging said arms adjacent the end thereof secured in said U-shaped channels whereby upon adjustment of said threaded means said arms are raised and lowered; f. stud means projecting beyond the plane of the surface of said central hub forming the bight portions of said radially disposed U-shaped channels; and g. bail means releasably engaging said stud means for raising and lowering said plurality of lamps.

Claim 11

Support means for a plurality of lamps comprising: a. a member having a central hub, a plurality of radially disposed U-shaped channels extending from said central hub and a recess centrally dispOsed in said central hub, said U-shaped channels opening upwardly in operating condition; b. a yoke including a tubular portion having peripherally disposed indentations, said tubular portion receiving at one end thereof a base member supporting a U-shaped member having vertical slots in the legs thereof. c. a tubular member having threaded mounting means extending transversely through registering apertures disposed at one end thereof and registering slots disposed at an opposite end of said tubular member, said threaded mounting means received in said vertical slots of said U-shaped member and said opposite end of said tubular member having said registering slots received in said recess of said central hub and means for securing said tubular member within said recess; d. fastening means extending transversely of the legs of said U-shaped channels for securing arms projecting beyond said U-shaped channels carrying said lamps; e. threaded means extending through the bight portion of each of said U-shaped channels for engaging said arms adjacent the end thereof secured in said U-shaped channels whereby upon adjustment of said threaded means said arms are raised and lowered; f. stud means projecting beyond the plane of the surface of said central hub forming the bight portions of said radially disposed U-shaped channels; and g. bail means releasably engaging said stud means for raising and lowering said plurality of lamps.