Stroke enlarging mechanism

Details Stroke enlarging mechanism Stroke enlarging mechanism

1982-03-26

1985-01-29

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating to reciprocating

74 29, 74 33, 74 37, 74109, F16H 1904, F16H 1906

Patent

active

044958285

ABSTRACT:
A stroke enlarging mechanism comprises a stationary rack, a saddle member driven by an actuator relative to the stationary rack, an operating arm movable relative to the saddle member, and a movable rack secured to the operating arm. A first pinion and a second pinion are rotatably mounted in the saddle member to be engageable with the stationary rack and the movable rack, respectively. A coupling device couples the two pinions with each other. Upon driving the saddle member relative to the stationary rack, the two pinions are rotated thus displacing the operating arm for a distance larger than the driving stroke of the saddle member.

REFERENCES:
patent: 2095043 (1937-10-01), Van Berkel
patent: 2867058 (1959-01-01), Balsiger
patent: 3090498 (1963-05-01), Palmer
patent: 3124257 (1964-03-01), Price et al.
patent: 3349927 (1967-10-01), Blatt
patent: 3665771 (1972-05-01), Blatt

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