Hydraulic rescue tool supplied by a battery

Details Hydraulic rescue tool supplied by a battery Hydraulic rescue tool supplied by a battery

2007-06-26

2007-06-26

Wilson, Lee D. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

Reexamination Certificate

active

10508720

ABSTRACT:
The invention relates to an electric rescue tool, comprising: a frame (9); a pair of claws (3a,3b) mounted movably on the flame; a hydraulic drive cylinder (20) received in the frame; a hydraulic pump (11) fixed to the frame; an electric motor (10) fixed to the frame for driving the hydraulic pump; a control unit (19) for controlling the electrical energy to the electric motor and for controlling valves (23) placed between the hydraulic pump and the drive cylinder, a housing (24, 29); and coupling mechanism for coupling a battery (6) to the electric control unit, wherein the coupling mechanism are adapted to couple a battery placed on the housing to the control unit, whereby the battery can be easily gripped by the person operating the electric rescue tool; the person can grasp the battery with one hand, release and place it for instance in a coat pocket, and then take a fresh battery out of another coat pocket with the same hand and place it on the tool. The person can herein use the other hand to continue holding the tool.

REFERENCES:
patent: 4762304 (1988-08-01), Hill
patent: 5125158 (1992-06-01), Casebolt et al.
patent: 5673898 (1997-10-01), Michalo
patent: 5810333 (1998-09-01), Hickerson et al.
patent: 6000680 (1999-12-01), Kimura et al.
patent: 6578821 (2003-06-01), Lasaroff et al.
patent: 2006/0108569 (2006-05-01), Schutz

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