Patent ID: 8770256

Claim:
A support assembly for use on a shade in a vehicle, said support assembly including: an end cap configured to have a shade extendably mounted thereon, said end cap having a groove in one surface thereof, said end cap having a first flange extending radially inward from an inside surface of said end cap along a first edge of said groove, said end cap having a second flange extending radially inward from an inside surface of said end cap along a second edge of said groove, each of said flanges having a stop member extending from an edge thereof, said end cap having a boss extending from an end thereof, said boss rotatably fixes said end cap with respect to the vehicle; a spring housing slidingly arranged within said end cap, said spring housing engages and is axially fixed with relation to said end cap in one direction when said end cap is fully extended; a spring arranged between said end cap and said spring housing; a motor spring arranged within said spring housing; and a bearing engaged with said motor spring.