Brakes – Vehicle – Hub or disk
Patent
1994-11-16
1995-10-10
Oberleitner, Robert J.
Brakes
Vehicle
Hub or disk
188 20, 188 19, 188 26, 188166, B60T 106
Patent
active
054563364
ABSTRACT:
A wheel brake assembly for shopping carts is characterized by a hub adapted for rotation about an axis, a coil spring coaxially mounted on the hub, and a pair of annular disks coaxially mounted on the spring. One of the disks is stationary and has one end of the spring connected therewith. The other disk is rotatable and has the other end of the spring connected therewith. Rotation of the rotatable disk in one direction to a braking position draws the spring ends together so that the coil spring constricts on the hub to prevent rotation of the hub about the axis. Rotation of the rotatable disk in the other direction to a release position pushes the spring ends apart to relax the coil spring and allow the hub to rotate.
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"Making Shopping Carts Safer For Kids and Cars", Dow Jones & Co., 1992.
Muratori Alfred
Oberleitner Robert J.
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