Joint mechanism

Details Joint mechanism Joint mechanism

2007-09-18

2007-09-18

Canfield, Robert (Department: 3635)

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Tips

C135S084000, C135S086000, C403S229000

Reexamination Certificate

active

10691449

ABSTRACT:
A joint mechanism for use in a rod for bearing at least a portion of a user's weight and a corresponding flexible tip for contacting a substantially horizontal surface. The joint mechanism includes a spring mechanism, a first bushing, and a second bushing. The spring member has opposed first and second ends. The first bushing is adapted for positioning in a hole in an end of the rod and has a cavity adapted to receive the first end of the spring member. The second bushing is adapted for positioning in a hole in the flexible tip and has a cavity adapted to receive the second end of the spring member.

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1 page definition of “bushing” from www.dictionary.com search May 26, 2007.

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