Brakes – Rod
Patent
1976-01-22
1976-11-09
Halvos, George E. A.
Brakes
Rod
16 82, 74531, 188 1B, 188129, B65H 5910
Patent
active
039905420
ABSTRACT:
The linear motion arresting device has a stationary member with an internal bore. A mating piston, formed of a plurality of piston parts, is slidable in said bore. One piston part is connected to a prime mover and the others are slidable toward and away from, and lengthwise of, said one piston part. Each of the piston parts has an elongated groove extending parallel to the bore and with the grooves providing directly between piston parts, a ball receiving channel in which a ball may travel and with the channel extending axially of, and at an angle to, the bore and with portions of the two opposite ends of the grooves extending more radially inwardly of the bore than the other two. A relatively nondeformable ball is mounted for travel in the ball receiving channel. A spring construction moves the piston parts in opposite, axial directions until the more radially inward portions of said grooves contact said ball. The driving piston part is connected with a prime mover and the driven piston parts are connected therewith through said ball. The spring construction include an axially aligned recess in one piston part, and an axially aligned compression spring in the recess and with the spring operating between piston parts. Two axially aligned, driven piston parts may be connected with a driving piston part to provide arresting action in both directions of travel of the piston.
REFERENCES:
patent: 1103839 (1914-07-01), Rellay
patent: 2449516 (1948-09-01), Shakespeare et al.
patent: 2507760 (1950-05-01), Dath
Dent Robert K.
DuBuque Douglas K.
Halvos George E. A.
Tyee Aircraft, Inc.
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