Rotatable hand tool with directional drive control

Details Rotatable hand tool with directional drive control Rotatable hand tool with directional drive control

1982-08-12

1984-12-04

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

192 44, 192 4892, 145 76, 81 631, 81 583, B25B 1504, F16D 1500, F16D 4104

Patent

active

044856997

ABSTRACT:
The hand tool includes a drive shaft formed with axially spaced cylindrical portions has a work engaging member thereon. A bearing assembly comprised of two oppositely acting clutch units slideable within a tubular handle to engage one or the other of the cylindrical portions on the drive shaft to determine the direction in which the drive shaft rotates. When the clutch units are engaged with both cylindrical portions, then the tubular handle is coupled directly to the drive shaft so that the shaft is rotated in whichever direction the handle is twisted.

REFERENCES:
patent: 819536 (1906-05-01), Furbish
patent: 3194368 (1965-07-01), Benson et al.
patent: 3332304 (1967-07-01), Lynn
patent: 3742787 (1973-07-01), Whiteford
patent: 3844322 (1974-10-01), Stoutenberg
patent: 3868983 (1975-03-01), Newcomb
patent: 4341292 (1982-07-01), Acevedo

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