Foot-operated hydraulic power source for emergency hydraulic too

Details Foot-operated hydraulic power source for emergency hydraulic too Foot-operated hydraulic power source for emergency hydraulic too

1978-05-01

1980-04-15

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Ram driven by fluid pumped from reservoir

60478, 60DIG10, 74512, F16D 3102

Patent

active

041977068

ABSTRACT:
A readily portable hydraulic power source for supplying hydraulic fluid pressure to emergency hydraulic tools is foot-operated such that the operator's hands are left free to use the hydraulic tools and both the tools and power source may be operated by a single person. The power source includes a generally planar base member, a hydraulic pump fixedly mounted at one end of the base member, a foot-engaging planar member in generally overlying relation to the base member, a hinge connecting ends of the base member and the planar member for movement of the planar member relative to the base, and a resilient spring between the base and planar members to urge the members pivotally apart upon release of pressure from the operator's foot. The operator's foot is retained by straps and a heel retaining portion attached to the planar member, with the heel portion having an arm operatively connected to a hydraulic piston of the pump. Fluid conduits are provided from the hydraulic pump for connection to an emergency tool and from a hydraulic fluid reservoir, which is strapable about the operator's torso, to supply fluid to the hydraulic pump.

REFERENCES:
patent: 2226970 (1940-12-01), Engel
patent: 2588509 (1952-03-01), Forster
patent: 2629582 (1953-02-01), Stephenson et al.
patent: 2854061 (1958-09-01), Romito
patent: 3081066 (1963-03-01), Murawski
patent: 3495431 (1970-02-01), Landon
patent: 3631705 (1972-01-01), McCaffrey
patent: 3834434 (1974-09-01), Walsh
patent: 3891187 (1975-06-01), Bearden
patent: 3992919 (1976-11-01), Jarman

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