1984-05-15
1986-05-20
Stoner, Jr., Bruce H.
Brakes
Vehicle
188 74, B60T 100
Patent
active
045895252
ABSTRACT:
A braking apparatus particularly useful on wheelchair tires, baby carriages, handcarts or the like comprises a main body member mounted on or integral with a frame of an associated vehicle, a lever arm pivoted on the main body, a cam having two operative lobes pivotally mounted on the lever arm, the cam being pivotal over an arc of predetermined length relative to the lever arm and an operating member for pivoting the lever arm. In use, when the lever arm is inoperative the cam is out of contact with its associated tire and when the lever arm is in its operative position a cam lobe surface contacts the tire and is pivoted to apply a braking force, the particular lobe producing the braking when the tire is rotated depending upon the direction of rotation of the tire.
REFERENCES:
patent: 4101143 (1978-07-01), Sieber
Kee Richard C. E.
Mather T. Paul
Phipps Warren W.
Oberley Alvin
Stoner Jr. Bruce H.
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