Machine element or mechanism – Mechanical movements – Reciprocating to reciprocating
Patent
1991-07-22
1992-02-25
Hermann, Allan D.
Machine element or mechanism
Mechanical movements
Reciprocating to reciprocating
74107, 74516, 74518, F16H 2116, G05G 704
Patent
active
050902628
ABSTRACT:
The disclosed lever-type gear works on a variable transmission ratio, with the degree of transmission being respectively dependent on the position of the levers and the position of the roller element between the levers. According to a preferred arrangement, the gear can be so designed as to provide a state of indifferent equilibrium once a force F.sub.P is applied to the associated lever by a rod located on the driving side, which force F.sub.P changes along with the stroke s.sub.p of the rod while a constant force is applied to rod applying force to the other lever, irrespective of the stroke s.sub.M thereof.
REFERENCES:
patent: 2448245 (1948-08-01), Bakewell
patent: 2470452 (1949-05-01), Ackley
patent: 2693708 (1954-11-01), Baer, Sr. et al.
patent: 3738184 (1973-06-01), Matthey et al.
patent: 4385528 (1983-05-01), Pauwels
Alfred Teves GmbH
Hermann Allan D.
Lewis J. Gordon
Seitter Robert P.
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