Two-stage returning mechanism

Details Two-stage returning mechanism Two-stage returning mechanism

1991-01-23

1992-06-02

Bell, Paul A.

Elongated-member-driving apparatus

With interlock means

227131, 227146, B25C 500

Patent

active

051180235

ABSTRACT:
A mechanism for returning a hammer of an electrically-operated tacker from the tack-driving position to the starting position, in two stages, includes first and second hammer-returning elements and a rotating element for returning the hammer to the starting position.

REFERENCES:
patent: 2575455 (1951-11-01), Lang
patent: 4215808 (1980-08-01), Sollbereger et al.
patent: 4640452 (1987-02-01), Matt et al.
patent: 4720033 (1988-04-01), Olesen
patent: 4724992 (1988-02-01), Ohmori
patent: 4726505 (1988-02-01), Okazaki
patent: 4807793 (1989-02-01), Ghibely
patent: 4811885 (1989-03-01), Lai
patent: 4834278 (1989-05-01), Lin
patent: 4953774 (1990-09-01), Lai

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