Lever mechanism with progressive transmission

Details Lever mechanism with progressive transmission Lever mechanism with progressive transmission

1982-01-27

1984-05-22

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Variable output force

74520, 74110, 100272, 72450, G05G 104

Patent

active

044494211

ABSTRACT:
Lever mechanism with progressive transmission for increasing the force in presses and the like consisting of a retaining plate fastened to the ram of the machine, a movable mechanism component connected with the retaining plate and a support plate for a stationary mechanism component, comprising a lever yoke (6) with fulcrum points (7, 8, 11) arranged in a generally triangular array, one of said fulcrum points being pivotally to the movable mechanism component (3) by means of an equilibration link (9), the second fulcrum point (7) being pivotally connected to the retaining plate (2) and the third fulcrum point (11) being pivotally connected to the support plate (4) by means of another equilibrium link (12).

REFERENCES:
patent: 3540524 (1970-11-01), Bacheuer
patent: 3738748 (1956-03-01), Hecht

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