Rotary actuator

Details Rotary actuator Rotary actuator

1975-05-21

1977-08-30

Scott, Samuel

Machine element or mechanism

Elements

Gear casings

92139, 92161, F16H 5702

Patent

active

040446310

ABSTRACT:
A rotary actuator wherein linear movement of a piston and rack assembly disposed in a unitary housing is converted to precise rotational movement of an operating member mounted to a pinion which operably engages the rack. The operating member extends outwardly from opposite sides of the housing and is adapted for coupling with either a single or a pair of mechanisms for purposes of selectively controlling operation of the mechanisms. The actuator includes new means for locating and supporting the rack, for locating and sealing a pinion assembly in the housing, for precisely controlling rotational movement of the operating member, and for precisely and positively locating mechanism mounting brackets to the housing. The actuator may be either single or double acting.

REFERENCES:
patent: 1548833 (1925-08-01), Flegel
patent: 2344055 (1944-03-01), Osborn
patent: 2559137 (1960-11-01), Russell
patent: 2737157 (1956-03-01), Hefner et al.
patent: 2814995 (1957-12-01), Sullivan, Jr. et al.
patent: 3477177 (1969-11-01), Tucker, Jr.
patent: 3498187 (1970-03-01), Stringfellow
patent: 3566751 (1971-03-01), Sheppard
patent: 3581625 (1971-06-01), Michalak
patent: 3637171 (1972-01-01), Kroeger
patent: 3744381 (1973-07-01), Travaglio
Mounting Bracket Motor; Gingerich; 4/1974; IBM Tech. Disc. Bul., vol. 16 No. 11, p. 3493.

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