Centrifugal brakes for wheels

Details Centrifugal brakes for wheels Centrifugal brakes for wheels

2006-04-20

2008-12-16

Burch, Melody M (Department: 3683)

Brakes

To retard rolling of caster

C188S082800, C188S185000

Reexamination Certificate

active

07464797

ABSTRACT:
A wheel assembly having a braking mechanism that is actuated by centrifugal force. The braking mechanism includes a rotating hub insert having a first pocket, a thread guard having a second pocket fixed relative to the frame of the wheel assembly, and an internal ball between the rotating hub insert and the thread guard. The internal ball can be flung by centrifugal force from the first rotating pocket to the second fixed pocket to cause a braking force from contact of the ball in the second pocket with the rotating hub insert. The amount of centrifugal force required to fling the ball into the second pocket can be calculated for rotation of the wheel greater than a certain predetermined speed.

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