Pneumatic rescue tool

Details Pneumatic rescue tool Pneumatic rescue tool

1987-07-20

1988-06-14

Kazenske, E. R.

Tool driving or impacting

Impacting devices

Hammer head driven by spring

173134, B23B 4516

Patent

active

047505680

ABSTRACT:
A hand-held pneumatic rescue tool may be driven from a bottled compressed gas. The driving gas is used only for the blow-striking stroke, while a compression spring is used to provide a force for the return stroke that is independent of the pressure of the driving gas. Thus, the pressure of the driving gas may be varied to adjust the impact force of the blows struck, without adversely affecting operation of the tool. By appropriate valving, the tool will operate continuously and automatically so long as driving gas is supplied, as determined by the operator.

REFERENCES:
patent: 2199337 (1940-04-01), Gartin
patent: 3177952 (1965-04-01), West
patent: 3241622 (1966-03-01), Ottosson et al.
patent: 3250334 (1966-05-01), Sussman
patent: 3305953 (1967-02-01), Mehren et al.
patent: 3802516 (1974-04-01), Speicher

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