Lighting fixture having fold-out lamp sockets

Claim 2

In a lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, the improvement wherein each of said socket assemblies includes a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, said base member having a pair of downturned legs disposed alongside the channel member, means providing a pivot connection between said base member and said channel member adjacent said web to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the challel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, said pivot connection including a pair of curved outstruck leaves protruding from one of said members and apertures in the other of said members for receiving said leaves, said apertures being aligned and sized at diametrical locations to pass said leaves axially and sized at other diametrical locations to prevent axial displacement of said leaves relative to said sides when said receptacle is extended.

Claim 3

Apparatus according to claim 1 wherein said downturned legs are disposed between the sides of the channel member, and said leaves are struck from said base member and said apertures are in said channel member.

Claim 4

In a lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, the improvement wherein each of said socket assemblies includes a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, means providing a pivot connection between said base member and said channel member to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, latch means cooperating with said channel member and said base member to permit said base member to pivot in one direction about its pivot axis for extending the receptacle while preventing said base member from pivoting in the other direction when said receptacle is fully extended, said latch means including a pair of ears struck from one of said members, and a pair of apertures in the other of said members, said ears and apertures having edges interengaging one another when said receptacle is fully extended and said ears register in said apertures.

Claim 5

In a lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, the improvement wherein each of said socket assemblies includes a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, means providing a pivot connection between said base member and said channel member to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, latch means cooperating with said channel member and said base member to permit said base member to pivot in one direction about its pivot axis for extending the receptacle while preventing said base member from pivoting in the other direction when said receptacle is fully extended, said latch means including a pair of ears struck from one of said members, and a pair of apertures in the other of said members, said ears and apertures having edges interengaging one another when said receptacle is fully extended and said ears register in said apertures.

Claim 6

Apparatus according to claim 3 wherein said ears are struck from said base member and said apertures are in said channel member.

Claim 7

In a lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, the improvement wherein each of said socket assemblies includes a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, means providing a pivot connection between said base member and said channel member to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, a removable end plate slidable axially into each end of said channel member, and means releasably fastening each end plate to said channel member, said end plate fastending means including a pair of spaCed guides provided in said web adjacent said sides, a lower extension on said end plate slidable between said guides, and detent means on said lower extension and web cooperating to maintain said end plate in position at the end of the channel member.

Claim 8

In a lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, the improvement wherein each of said socket assemblies includes a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, means providing a pivot connection between said base member and said channel member to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, a removable end plate slidable axially into each end of said channel member, and means releasably fastening each end plate to said channel member, said end plate fastending means including a pair of spaCed guides provided in said web adjacent said sides, a lower extension on said end plate slidable between said guides, and detent means on said lower extension and web cooperating to maintain said end plate in position at the end of the channel member.

Claim 9

Apparatus according to claim 5 including means on said base and said end plate cooperating to fasten said end plate to said base when said base is pivoted and said receptacle extended.

Claim 10

Apparatus according to claim 6 wherein said base to end plate fastening means includes a downturned flange on said base and upstruck finger means on said end plate for engaging said flange.

Claim 11

A lighting fixture having a channel member with a web and upstanding sides, an end plate disposed transversely to said channel member, and a pair of socket assemblies carried at opposite ends of said channel member for removably mounting a lamp therebetween, each of said socket assemblies including a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, means providing a pivot connection between said base member and said channel member to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, latch means cooperating with said channel member and said base member to permit said base member to pivot in one direction about its pivot axis for extending the receptacle while preventing said base member from pivoting in the other direction when said receptacle is fully extended, means providing a flange on each socket assembly for engaging its associated end plate in abutting relation when said socket is extended, and finger means carried on each end plate for engaging said flange to prevent displacement of said end plate axially of said channel member when said socket assembly is extended and latched.

Claim 12

A lighting fixture having a channel member with a web and upstanding sides, an end plate disposed transversely to said channel member, and a pair of socket assemblies carried at opposite ends of said channel member for removably mounting a lamp therebetween, each of said socket assemblies including a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, means providing a pivot connection between said base member and said channel member to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, latch means cooperating with said channel member and said base member to permit said base member to pivot in one direction about its pivot axis for extending the receptacle while preventing said base member from pivoting in the other direction when said receptacle is fully extended, means providing a flange on each socket assembly for engaging its associated end plate in abutting relation when said socket is extended, and finger means carried on each end plate for engaging said flange to prevent displacement of said end plate axially of said channel member when said socket assembly is extended and latched.

Claim 13

A lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried adjacent the ends of the channel member for removably mounting a lamp therebetween, each of said socket assemblies including a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, said base member having a pair of downturned legs disposed alongside the channel member, means providing a pivot connection between said base member and said channel member adjacent said web to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, latch means cooperating with said channel member and said base member to permit said base member to pivot in one direction about its pivot axis for extending the receptacle while preventing said base member from pivoting in the other direction when said receptacle is fully extended, said latch means including an ear struck from one of said members and an aperture in the other of said members for receiving said ear, said ear and said aperture having interengaging edges located between the pivot axis of said base member and the adjacent end of said channel member with said ear being connected to its member between its edge and the channel web, so that when the edge of said ear engages the edge of said aperture, the base member is secured at two spaced locations against movement transversely of the channel member.

Claim 14

A lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried adjacent the ends of the channel member for removably mounting a lamp therebetween, each of said socket assemblies including a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, said base member having a pair of downturned legs disposed alongside the channel member, means providing a pivot connection between said base member and said channel member adjacent said web to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, latch means cooperating with said channel member and said base member to permit said base member to pivot in one direction about its pivot axis for extending the receptacle while preventing said base member from pivoting in the other direction when said receptacle is fully extended, said latch means including an ear struck from one of said members and an aperture in the other of said members for receiving said ear, said ear and said aperture having interengaging edges located between the pivot axis of said base member and the adjacent end of said channel member with said ear being connected to its member between its edge and the channel web, so that when the edge of said ear engages the edge of said aperture, the base member is secured at two spaced locations against movement transversely of the channel member.

Claim 15

A lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, each of said socket assemblies including a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, said base member having a pair of downturned legS disposed alongside the channel member, means providing a pivot connection between said base member and said channel member adjacent said web to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, said pivot connection including a pair of curved outstruck leaves protruding from one of said members and an aperture in the other of said members for receiving said leaves, said one member having portions extending into said aperture and engaged between said leaves and the member from which the leaves are struck when said base is disposed with the socket assembly in its extended usage position.

Claim 16

A lighting fixture having a channel member with a web and upstanding sides and a pair of socket assemblies carried at spaced locations for removably mounting a lamp therebetween, each of said socket assemblies including a base member mounted to said channel member and a lamp receptacle extending outwardly from said base member, said base member having a pair of downturned legS disposed alongside the channel member, means providing a pivot connection between said base member and said channel member adjacent said web to permit said socket assembly to be disposed in a compact shipping position with said receptacle stowed parallel to the channel member and to permit the socket assembly to be disposed in a usage position with said receptacle extended at an angle to the channel member, said pivot connection including a pair of curved outstruck leaves protruding from one of said members and an aperture in the other of said members for receiving said leaves, said one member having portions extending into said aperture and engaged between said leaves and the member from which the leaves are struck when said base is disposed with the socket assembly in its extended usage position.