Method of and means for providing a cam-actuated, spring-return

Details Method of and means for providing a cam-actuated, spring-return Method of and means for providing a cam-actuated, spring-return

1977-08-01

1981-02-03

Scott, Samuel

Machine element or mechanism

Elements

Cams

744248VA, 251251, F16H 5306

Patent

active

042481040

ABSTRACT:
The profile of the cam, of a cam-actuated, spring-return mechanism of the type which includes a cam-shaft, a cam-follower, a cam-follower-shaft and spring means having a given spring rate and initial preload, is shaped in such a manner, that for a particular spring means, the torque output of the cam-shaft can be tailored to meet the torque requirements of a driven device, for the torque output can be constant throughout the return travel of the cam-induced displacement of the spring means to a compressed condition beyond its initial preload, whereby an infinite number of torque output characteristics may be obtained by altering or preselecting the cam profile only, while utilizing, unchanged, the other components of the mechanism.

REFERENCES:
patent: 1863875 (1932-06-01), Rabezzana
patent: 1939912 (1933-12-01), McNeal
patent: 2606257 (1952-08-01), Briskin
patent: 2933937 (1960-04-01), Kron et al.
patent: 3139076 (1964-06-01), Flaherty
patent: 3288080 (1966-11-01), Madej
patent: 3304925 (1967-02-01), Rhoads
patent: 3317252 (1967-05-01), Gassman
patent: 3512421 (1970-05-01), Anderson

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