Patent ID: 6622587
Filing Date: 2003-09-23
Classification: A61H,B60T,Y10T

Abstract:
A wheeled walker brake lever mounting arrangement 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, two sidewalls, 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 said sidewalls, said brake lever having a locating hole near a front side thereof and a backwardly extended handhold portion, 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 inside said mounting base frame between said front wall and said top wall, and two pivot holes respectively extended through said sidewalls in alignment with each other; said brake lever further comprises a base block, said base block having a front side, a top side, and a bottom side, a wedge-shaped front protruding block forwardly protruded from the front side of said base block, said wedge-shaped front protruding block having a rear side integral with said base block of said brake lever and a front side, a recessed positioning portion disposed at the bottom side of said base block, an elongated coupling slot through said base block, and a positioning groove transversely disposed in said elongated coupling slot at one side, said elongated coupling slot having a smoothly arched first end and a smoothly arched second end; a pivot is mounted in the pivot holes of said sidewalls of said mounting base frame and the elongated coupling slot of said brake lever; when the user turns said handhold portion of said brake lever downwards to pull up said brake cable, the second end of said elongated coupling slot of said brake lever is stopped at said pivot, the front side of said wedged-shaped front protruding block of said brake lever is stopped at the recessed positioning portion of said mounting face frame, and the recessed positioning portion of said brake lever is stopped at one side edge of the bottom wall of said mounting base frame, and the brake lever is maintained at the braking status; when the user turns the handhold portion of said brake lever upwards to disengage the second end of said elongated coupling slot from said pivot and to force said positioning groove into engagement with said pivot, the front side of said wedged-shaped front protruding block of said brake lever is disengaged from the recessed positioning portion of said mounting base frame and moved to the stop face of said stop block, and at this time said brake lever is loosened; when the user turns the handhold portion of said brake lever continuously upwards to disengage said positioning groove of said brake lever from said pivot and to force the first end of said elongated coupling slot into engagement with said pivot, the front side of said wedged-shaped front protruding block of said brake lever is maintained stopped at the stop face of said stop block, and the top side of said base block of said brake lever is stopped at an inner side of said top wall to pull up said brake cable, holding said brake cable in the braking position temporarily.