Explosive actuated pin puller

Details Explosive actuated pin puller Explosive actuated pin puller

1976-09-03

1977-10-18

Jones, Jr., James L.

Power plants

One shot explosion actuated expansible chamber type motor

29254, F02N 1300

Patent

active

040540324

ABSTRACT:
A pin puller comprising a piston having a pull shaft extending from a cylinder in which the piston is slidable, is actuated by an explosive charge which, when ignited, develops a pressurized gas that is directed, through a transfer tube, into a chamber extending through the piston and into the piston shaft, from which it is directed outwardly through a port in the shaft into a sealed space behind the piston, to move the piston in a direction to exert a pull upon the shaft and a pull-actuated device connected thereto. The piston slidably receives the transfer tube and is sealed thereto to prevent short-circuit escape of the pressurized gas to the leading side of the piston. An electric circuit is provided for igniting the explosive charge when energized.

REFERENCES:
patent: 3024592 (1962-03-01), Leaman
patent: 3149456 (1964-09-01), Sterrett
patent: 3338553 (1967-08-01), Persicke
patent: 3594890 (1971-07-01), Cordell

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