Invention Grant
US08925943B2 Wheelchair suspension 有权
轮椅悬挂

Wheelchair suspension
Abstract:
A wheelchair includes a frame, a rear caster coupled to the frame, a drive wheel coupled to the frame, a front caster, and a pivoting assembly. The pivoting assembly couples the front caster to the frame such that upward movement of the front caster relative to the frame causes the front caster to move toward the drive wheel.
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