Staple-driving tools

Details Staple-driving tools Staple-driving tools

1981-12-22

1984-05-29

Kazenske, E. R.

Elongated-member-driving apparatus

With interlock means

227132, 227156, B21J 1538

Patent

active

044509987

ABSTRACT:
The disclosed tacker involves a spring-impelled staple driver operated by a spring having opposite movable ends, one being operated to compress the spring and the other being releasable to drive the staple driver. The described release means involves a stationary latch and means for pushing the latched part of the staple driver off the latch and, thus, into its guided staple-driving path. A safety device is included which blocks operation of the tacker to eject a staple if the tacker is not pressed against the staple-receiving surface at the moment of release. A one-piece plastic jacket is described enclosing the metal frame of the tacker. The staple-driving effort can be adjusted to adapt the tacker to soft or hard staple-receiving work.

REFERENCES:
patent: 2137642 (1938-11-01), Cavanagh
patent: 3131397 (1964-05-01), Miller
patent: 3940044 (1976-02-01), La Pointe

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