Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1991-01-02
1992-01-28
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5737, B25B 2302
Patent
active
050834835
ABSTRACT:
In a screw positioning device, a slide element (5) is slidably fitted, through a return spring (10), in a slide guide case (3) which is mounted to a forward end of a screw driver tool (1), and a pin (13) is provided on the slide element (5) and is movable within an elongated bore (11) formed in the slide guide case (3) in a longitudinal direction, during the sliding movement of the slide element (5).
A transfer mechanism is provided which transfers a screw holding belt (15) by a single screw section when the slide element (5) is pushed into the slide guide case (3) part of the way. A holding mechanism is also provided which restricts return of the pin (13) to restrict return of the slide element (5).
REFERENCES:
patent: 3930297 (1976-01-01), Potucek et al.
patent: 4059034 (1977-11-01), Hornung
patent: 4428261 (1984-01-01), Takatsu et al.
patent: 4674367 (1987-06-01), Aab et al.
Santomi Shoji Co., Ltd.
Smith James G.
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