Battery-driven screwdriver

Tools – Wrench – screwdriver – or driver therefor

Reexamination Certificate

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Details

C081S054000, C173S216000, C173S217000, C310S050000

Reexamination Certificate

active

07134364

ABSTRACT:
A battery-operated screwdriver (10) with a housing (12, 18) with a grip (14), in particular with a fixedly built-in battery (40), and with charging contact tongues (37) for charging the battery (40), is designed as especially compact and lightweight because instead of a boxlike, standard ON/OFF switch, counterpart contacts (34) fixed to the tool are provided, to which a contact plate (32) that is movable by means of an ON/OFF trigger (26) and in the process is coupleable to the counterpart contacts (34) and upon their release is easily releasable, is assigned.

REFERENCES:
patent: 3369615 (1968-02-01), Maffey
patent: 4078589 (1978-03-01), Miller
patent: 4493223 (1985-01-01), Kishi et al.
patent: 4739242 (1988-04-01), McCarty et al.
patent: 4751452 (1988-06-01), Kilmer et al.
patent: 5054563 (1991-10-01), Zapf
patent: 6102134 (2000-08-01), Alsruhe
patent: 6106971 (2000-08-01), Sponitz
patent: 6144122 (2000-11-01), Covell et al.
patent: 6364033 (2002-04-01), Hung et al.
patent: 6776069 (2004-08-01), Soreo et al.
patent: 2003/0094294 (2003-05-01), Fritz
patent: 0 899 066 (1999-03-01), None
patent: 1 066 930 (2001-01-01), None
patent: 1 266 725 (2002-12-01), None
patent: 1 314 518 (2003-05-01), None
patent: 09047982 (1997-02-01), None

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