Patent ID: 6755285
Filing Date: 2004-06-29
Classification: A61H,B60T,F16C,Y10T

Abstract:
A wheeled walker brake lever mounting structure comprising a mounting base frame fastened to one handlebar of a wheeled walker, said mounting base frame comprising a top wall, a front wall, a bottom wall, a first sidewall, a second sidewall, a barrel integral with said top wall, a wire hole extended through said bottom wall, and a wire guide mounted in said wire hole, said barrel having an axially extended mounting hole, which receives the handlebar of the wheeled walker, and a transverse screw hole, which receives a tightening up screw that fixes said barrel to the handlebar of the wheeled walker, a brake lever pivoted to said mounting base frame between the first and second sidewalls of said mounting base frame, said brake lever having a locating hole near a front side thereof and a backwardly extended handhold portion for the holding of the hand, and a brake cable inserted through said wire guide in said wire hole, said brake cable having one end terminating in an end rod, which is fastened to the locating hole of said brake lever, and an opposite end fastened to a rear wheel brake assembly of the wheeled walker;wherein said mounting base frame further comprises a stop block inwardly protruded from an inner surface of said front wall and forming, a stop face, a recessed positioning portion disposed on the inside between said frontwall and said top wall, and two pivot holes respectively extended through said left sidewall and said right sidewall and aligned in a line; said brake lever further comprises a base block connected to one end of said handhold portion, a conical front protruding block perpendicularly forwardly protruded from a front side of said base block, said conical front protruding block having a front side, a coupling slot of arches cross section transversely extended through said base block and pivotally connected between the pivot hole in said left sidewall and the pivot hole in said right sidewall by a pivot, a top positioning groove transversely disposed in a top side of said coupling slot, and a bottom positioning groove transversely disposed in a bottom side of said coupling slot, said top positioning groove and said bottom positioning groove being not vertically aligned; when the user turned said handhold portion of said brake lever downwards to pull up said brake cable, said top positioning groove of said base block of said brake lever is stopped at the pivot in the pivot holes of said left and right sidewalls, and the front side of the said conical front protruding block of said brake lever is stopped at the recessed positioning portion of said mounting base frame, achieving a brake action; when the user turned said handhold portion of said brake lever upwards to pull said brake cable and to force said bottom positioning groove of said base block of said brake lever into engagement with the pivot in the pivot holes of said left and right sidewalls, the front side of said conical front protruding block of said brake lever is stopped at said stop face of said stop block, achieving a brake action.