Spring/piston brake device

Details Spring/piston brake device Spring/piston brake device

1981-10-21

1984-04-24

Butler, Douglas C.

Brakes

Rod

188152, 188167, 188295, 267167, 267177, B65H 5910

Patent

active

044442955

ABSTRACT:
A brake for retarding rotation of a powered shaft in which the shaft includes a crankshaft section having opposed pistons disposed on the crank section, pistons oriented in respective laterally extending cylinders, sections of the cylinder on a side of the piston remote from the crankshaft provided with springs operatively abutting against a face of the piston to alter the resistance against the piston, and a hydraulically actuated device for increasing the spring pressure applied on the piston face so that when the hydraulic device is actuated, the piston meets increasing resistance to continue motion in the cylinder away from the crankshaft, in such a manner that rotation of the shaft is retarded in precise amounts.

REFERENCES:
patent: 1435499 (1922-11-01), Ricker
patent: 1487347 (1924-03-01), Martin
patent: 1548991 (1925-08-01), Giovannini
patent: 1899294 (1933-02-01), Roeder
patent: 2001585 (1935-05-01), Roeder
patent: 2238786 (1941-04-01), Warman
patent: 2499099 (1950-02-01), Kenyon
patent: 2548919 (1951-04-01), Stevens et al.
patent: 2703219 (1955-03-01), Henshaw
patent: 3026974 (1962-03-01), Gouker
patent: 3033322 (1962-05-01), Hughes
patent: 3503473 (1970-03-01), Hackett

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