High powered rescue tool

Implements or apparatus for applying pushing or pulling force – Fluid pressure – Vehicle attached

Patent

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Details

72705, B66F 324

Patent

active

056223536

ABSTRACT:
A rescue tool comprising a housing, a pair of spreader arms each including a working portion and a driven portion and a pivot point therebetween, wherein the driven portion of each spreader arm contains an arced portion which touches the arced portion of the other spreader arm, a pair of links having first and second ends, a drive means reciprocally moveable between retracted and extended positions along an axis of movement, a first pivotal coupling means for coupling the driven portion of the spreader arm to the first end of the associated links, a second pivotal coupling means for coupling the second end of the associated links to the drive means, a third pivotal coupling means for coupling the spreader arm pivot point to the housing, the second coupling means being located between the first pivotal coupling means and the working portion when measured along the axis of movement.

REFERENCES:
patent: 2447401 (1948-08-01), Ferguson et al.
patent: 2606469 (1952-08-01), Morgenthaler
patent: 3292903 (1966-12-01), Meyer et al.
patent: 3819153 (1974-06-01), Hurst et al.
patent: 4273311 (1981-06-01), Rio
patent: 4392263 (1983-07-01), Amoroso
patent: 4475373 (1984-10-01), Ikenberry
patent: 4531289 (1985-07-01), Brick
patent: 4842249 (1989-06-01), Weigand
patent: 4896862 (1990-01-01), Ganley
patent: 4973028 (1990-11-01), Linster
Amkus brochure entitled AMKUS MEGA.RTM. SERIES, published in Fall of 1994.

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