Power driven screw driver

Details Power driven screw driver Power driven screw driver

1989-02-02

1990-05-29

Smith, James G.

Tools

Including tool driving by impact delivering component or...

173119, B25B 1900

Patent

active

049285602

ABSTRACT:
An improved screw driver includes a spindle member disposed within a hollow screw driver body, a locking member operatively associated with one end portion of the spindle member, a coiled spring at the other end of the spindle member, a movable shank having a screw holding member and operatively associated with the spindle member, and a clip lever for locking and releasing the locking member, whereby when the clip lever is actuated to release the locking member, a screw to be applied and held by the screw holding member is forced to initially drive the screw into a portion of an object.

REFERENCES:
patent: 1539782 (1925-05-01), Stansell
patent: 1909366 (1933-05-01), Koza
patent: 2421901 (1947-06-01), Murad et al.
patent: 2625967 (1953-01-01), Stull
patent: 2845968 (1958-08-01), Luber
patent: 3010193 (1961-11-01), Croall, Jr. et al.
patent: 3601170 (1971-08-01), Sciascia et al.

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