Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1992-07-29
1993-08-03
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81434, B25B 2306
Patent
active
052319008
ABSTRACT:
A mechanism for providing a conventional drill with an automatic screw feeding capability comprises an elongated sleeve formed from a tubular wall defining an elongated passageway, a screw driving rod slidably and rotatably disposed within the passageway, and a dependent, hollow skirt surrounding an opening through the wall providing access to the passageway. A magazine containing a spring urged stack of screws, each disposed within a stacking cylinder, is inserted into the skirt for disposing a top end of the magazine within the passageway. The magazine top end includes a slot in alignment with the rod axis allowing removal of a cylinder jacketed screw from the magazine by the rod upon forward movement thereof. In use, the rod rear end is engaged within a drill chuck and movement of the rod relative to the sleeve is obtained by relative movement between the drill, held in one hand by a user, and the sleeve mounted magazine, held in the user's other hand.
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patent: 3891014 (1975-06-01), Gunn
patent: 4018254 (1977-04-01), DeCaro
patent: 4367837 (1983-01-01), Manino
patent: 4466555 (1984-08-01), Yarnitsky et al.
patent: 4625597 (1986-12-01), Cast
patent: 4998452 (1991-03-01), Blum
Schanzer Henry
Smith James G.
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