Pneumatically operated fastener driving device with improved mai

Details Pneumatically operated fastener driving device with improved mai Pneumatically operated fastener driving device with improved mai

1976-04-16

1977-08-02

Custer, Jr., Granville Y.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

B25C 104

Patent

active

040391132

ABSTRACT:
A pneumatically operated fastener driving device having an improved main valve assembly including separate inlet and outlet valve structures and a spring operatively connected with the inlet and outlet valve structures for effecting (1) a movement of the outlet valve structure from the open position thereof to the closed position thereof simultaneously with a movement of the inlet valve structure from the closed position thereof to the open position thereof; and (2) a movement of the outlet valve structure from the closed position thereof to the open position thereof sequentially following a movement of the inlet valve structure from the open position thereof to the closed position thereof.

REFERENCES:
patent: 3106134 (1963-10-01), Osborne
patent: 3200716 (1965-08-01), LaSage
patent: 3871566 (1975-03-01), Ellieson et al.

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