Powder actuated piston tool with power adjustment

Details Powder actuated piston tool with power adjustment Powder actuated piston tool with power adjustment

1980-04-09

1983-02-22

Bell, Paul A.

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

227 9, B25C 114, B25C 118

Patent

active

043745679

ABSTRACT:
A power adjustment for a piston-type powder actuated fastener driving tool wherein a tube is slidably disposed in the barrel of the tool, the tube containing the driving piston of the tool. The tube has a radially inwardly extending flange at its breech end which engages a radially outwardly extending surface on the piston. Means for moving the tube axially of the barrel are provided so that the distance between the flange and firing chamber can be varied whereby the gas expansion chamber between the firing chamber and the rear face of the piston can be varied thereby varying the power with which the piston is driven.

REFERENCES:
patent: 3204400 (1965-09-01), Kvale
patent: 3746235 (1973-07-01), Crabtree, Jr.
patent: 3918619 (1975-11-01), Termet
patent: 3973708 (1976-08-01), Scotoni
patent: 4068790 (1978-01-01), Osterle et al.
patent: 4113163 (1978-09-01), Combette et al.

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