Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1995-06-05
1996-12-17
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5737, 206344, 411399, B25B 2304
Patent
active
055842216
ABSTRACT:
A plurality of screws are held in a screw cartridge that is housed within a magazine, and in a first embodiment a spring urges the screws toward a screw injector chamber where they are driven into a substrate upon activation of a motor-operated screw gun. In the first embodiment, the screw cartridge is a blister pack that is split open by a bar positioned at the leading end of the cartridge. The magazine is positioned normal to a drill guide housing that includes a drill bit housing, a screw injector housing, and a screw discharge housing, and the leading end of the magazine is in open communication with the screw injector housing. The trailing end of the magazine is closed by a snap on end cap, and a spring is positioned between the end cap and a trailing end of the screw cartridge to urge the screws into the screw injector housing. Brackets are used to secure the attachment to the screw gun. The screw discharge chamber houses an expanding screw retention chuck that guides the screws as they enter the substrate. In a second embodiment, an indexing mechanism follows a closed loop path of travel with each plunge of the screw gun and delivers screws sequentially to the screw injector housing by sliding under a screw and raising it into the screw injector housing.
REFERENCES:
patent: 2982595 (1961-05-01), Rogers
patent: 3903784 (1975-09-01), Dekker
patent: 4367837 (1983-01-01), Manino
patent: 4667545 (1987-05-01), Gould et al.
patent: 5101697 (1992-04-01), Fishback
patent: 5231900 (1993-08-01), Deri
patent: 5239900 (1993-08-01), Macris
Miller Stanley M.
Smith James G.
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