Fluid operated machine for prying and other purposes

Details Fluid operated machine for prying and other purposes Fluid operated machine for prying and other purposes

1997-08-25

1999-12-14

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

30228, 30366, B66F 324

Patent

active

060006803

ABSTRACT:
A portable, hydraulic prying machine is disclosed for use, for example, in prying open the doors of apartment buildings or of motor vehicles by rescue members in the event of an emergency. A motor and pump assembly, comprising an electric motor and a hydraulic pump driven thereby, is coupled to a pry assembly solely through the medium of a flexible conduit for delivery of a fluid under pressure from the pump to a hydraulic cylinder included in the pry assembly. The hydraulic cylinder on extension causes a pair of prying jaws to spread apart for forcing open the door. Being practically separate from the rest of the machine, the pry assembly is easier of handling. Additional embodiments are disclosed in which the pry assembly is replaced by other tool assemblies for other operations.

REFERENCES:
patent: 3081066 (1963-03-01), Murawski
patent: 3834434 (1974-09-01), Walsh
patent: 4273311 (1981-06-01), Rio
patent: 4279141 (1981-07-01), Gallart
patent: 4973028 (1990-11-01), Linster
patent: 5002135 (1991-03-01), Pellenc
patent: 5134776 (1992-08-01), Moody
patent: 5622353 (1997-04-01), Painter et al.

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