Safety firing control means for a fluid operated tool

Details Safety firing control means for a fluid operated tool Safety firing control means for a fluid operated tool

1975-03-12

1976-06-22

Custer, Jr., Granville Y.

Elongated-member-driving apparatus

With interlock means

227130, 227 7, B25C 104

Patent

active

039646599

ABSTRACT:
In a fluid operated tool of the type having firing control means comprising two separate and independent triggering means shiftable independently and in any order between normal and firing positions and requiring both triggering means to be concurrently in their firing positions to actuate the tool, safety means introducing into the firing sequence of the firing control means a time limit within which both triggering means must achieve their firing positions. If both triggering means do not achieve their firing positions within the time limit, the firing sequence must be reinitiated with a selected one or both of the triggering means initially in their normal positions.

REFERENCES:
patent: 3170487 (1965-02-01), Juilfs et al.
patent: 3278104 (1966-10-01), Becht et al.
patent: 3278106 (1966-10-01), Becht et al.
patent: 3730414 (1973-05-01), Becht
patent: 3808620 (1974-05-01), Rothfuss et al.

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