Pneumatic fastener driving tool

Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members

Patent

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Details

227113, 227119, B25C 104

Patent

active

050744534

ABSTRACT:
A pneumatic fastener driving tool including a start valve adapted to be open for start a fastener driving operation by pneumatically driving a driving rod forwardly, and a vent hole for connecting to start valve to atmospheric air to let compressed air escape to atmosphere when compressed air is accidentally supplied through the start valve after one cycle of fastener driving operation is completed due to bouncing of the piston, for example.

REFERENCES:
patent: 1846804 (1932-02-01), Hansen
patent: 3273469 (1966-09-01), Doyle
patent: 3438449 (1969-04-01), Smith

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