Clutch driver

Details Clutch driver Clutch driver

1996-03-05

1997-11-04

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

81451, B25B 2300

Patent

active

056828004

ABSTRACT:
A clutch driver device for releasing torque between a power drill and a screwdriver when the screw being driven reaches a predetermined depth. The clutch mechanism including a hollow release cylinder slideably fitted on a drive shaft integrally formed in coaxial relation with a chuck shank to be inserted into the chuck of a power drill. The release cylinder is movable from a first position where the release cylinder holds several clutch balls against planar faces of a hexagonal end of a drive shank used to drive the screw into the work piece to a second position where the release cylinder releases the clutch balls held against the planar faces of the drive shank so that the screw driving end of the driver is disengaged from the power drill. The release cylinder being moved from the first position to the second position by an actuator sleeve positioned between the work piece and the release cylinder.

REFERENCES:
patent: 3056441 (1962-10-01), Hlems
patent: 3146811 (1964-09-01), Shryock
patent: 4030383 (1977-06-01), Wagner
patent: 4753142 (1988-06-01), Hornung
patent: 5012708 (1991-05-01), Martindell

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