B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
B60B 33/06 (2006.01) B66F 7/28 (2006.01) E04G 1/24 (2006.01) E04G 3/28 (2006.01) E04G 5/02 (2006.01)
Patent
CA 2602688
A retractable wheel assembly includes a wheel frame supporting a wheel, and a pivot bracket assembly secured to the wheel frame. The pivot bracket assembly is displaceable between an extended position and a retracted position. A biasing mechanism is coupled with the pivot bracket assembly. The biasing mechanism urges the pivot bracket assembly toward the extended position when the pivot bracket assembly is in the extended position and urges the pivot bracket assembly toward the retracted position when the pivot bracket assembly is in the retracted position
Un ensemble à roues escamotables comprend un châssis supportant une roue et un ensemble à support de pivot fixé sur le châssis. L'ensemble à support de pivot peut être placé en position étendue et en position rétractée. Un mécanisme de sollicitation est couplé avec l'ensemble à support de pivot. Le mécanisme de sollicitation active l'ensemble à support de pivot en position étendue quand l'ensemble à support de pivot est en position étendue et le place en position rétractée quand l'ensemble à support de pivot est en position rétractée.
Campbell Geoffrey George
Stark Hugh Lithgow
Jlg Industries Inc.
Kirby Eades Gale Baker
LandOfFree
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