Patent ID: 6068274
Filing Date: 2000-05-30
Classification: B60B,Y10T

Abstract:
An orientation roller mechanism adapted for baby strollers comprising:a roller, two side plates, an orientation sheet, a wheel axle and an orientation sheet axle, wherein:said roller is a transverse cylindrical roller with a ratchet wheel on one side thereof, said ratchet wheel is provided with a plurality of teeth, said roller is provided centrally with an axle hole;said two side plates are symmetrical to each other, and are provided at both sides of said roller, said wheel axle extends through two wheel axle holes on said two side plates which are further provided each with a vertical insertion hole adapted to receive an insertion post, a longitudinal slit is provided on the top of each of said side plates and is adapted to receive a stabilizing plate of a baby stroller chassis, and a sheet axle hole is provided for insertion of said orientation sheet axle;said orientation sheet is provided with a hole through which said orientation sheet axle is inserted and fixed between said two side plates, an end thereof is tapered to form a sharp stop portion, said orientation sheet is mounted on said orientation sheet axle;said wheel axle is used for rotation of said roller; such thatby means of said ratchet wheel and said orientation sheet, said roller can only rotate in one direction, rotation in another direction is prevented by said sharp stop portion of said orientation sheet engaging in one of said teeth of said ratchet wheel.