US 7,538,289 B2
Multiple position swivel lamp with integral switch contacts
Tom Carroll, Trabuco Canyon, Calif. (US)
Assigned to Bal Seal Engineering Co., Inc., Lake Forest, Calif. (US)
Filed on Mar. 31, 2006, as Appl. No. 11/278,384.
Claims priority of provisional application 60/668308, filed on Apr. 05, 2005.
Prior Publication US 2006/0221624 A1, Oct. 05, 2006
Int. Cl. H01H 19/46 (2006.01)
U.S. Cl. 200—519  [200/277] 24 Claims
OG exemplary drawing
 
1. A multiple positioning assembly with integral switch contacts, the assembly comprising:
a cylindrical housing;
a ball assembly including a ball portion received by said cylindrical housing, said ball portion having an electrically conductive surface and including a neck extending therefrom with a bore through said neck and ball portion;
a plurality of spaced apart spring retainers disposed within said cylindrical housing, each spring retainer having a groove open toward said ball portion;
an electrically conductive spring contact disposed in each groove;
adjacent spring contacts completing an electrical circuit through the ball portion surface when in simultaneous contact therewith and enabling positioning said ball portion within said cylindrical housing for conical movement of said neck, said ball portion being axially moveable between spring contacts; and
one of the spring contacts most proximate to an end of said cylindrical housing preventing withdrawal of said ball portion from said cylindrical housing.