Force generating mechanism

Details Force generating mechanism Force generating mechanism

1994-05-20

1995-07-11

Lopez, F. Daniel

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 89, F01B 1902

Patent

active

054310890

ABSTRACT:
Disclosed is a unique force generating mechanism which is easily adapted for use in a compact lightweight tool requiring high work forces. The mechanism includes a force generating member disposed within an actuation chamber where either pneumatic or hydraulic fluid pressure is allowed to bear against a relatively large ram surface causing a deflection of the ram in a first direction and translation of the ends of the ram in a second direction substantially perpendicular to the first direction. A working force, larger than the force of the fluid bearing on the ram surface, is thereby generated along this direction of translation.

REFERENCES:
patent: 345446 (1886-07-01), Powers
patent: 2617260 (1952-11-01), Baldwin
patent: 4159634 (1979-07-01), Stengard
patent: 4543877 (1985-10-01), Emmert
patent: 4757609 (1988-07-01), Sawdon
patent: 4878284 (1989-11-01), Sawdon
patent: 4910853 (1990-03-01), Sawdon
patent: 4934173 (1990-07-01), Bakermans et al.
patent: 5027503 (1991-07-01), Sawdon

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