Power tool

Details Power tool Power tool

1974-06-14

1976-11-23

Leppink, James A.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

192150, B25D 23145

Patent

active

039931455

ABSTRACT:
A power tool, particularly a power screwdriver, has a housing which accommodates a drive, and a tool holder which is rotatably mounted in the housing, together with a rotatable component that is connected with the drive to be rotated by the same. A coupling arrangement is provided, including cooperating coupling portions on the rotatable component and the tool holder, for connecting the tool holder with the rotatable component in torque-transmitting relationship, and for terminating such transmission of torque when the value of the latter exceeds a predetermined level.

REFERENCES:
patent: 3289715 (1966-12-01), De Groff et al.
patent: 3319753 (1967-05-01), Orwin et al.
patent: 3515251 (1970-06-01), Clapp
patent: 3612236 (1971-10-01), Fernstrom et al.
patent: 3724560 (1973-04-01), Tibbott
patent: 3811513 (1974-05-01), Wezel

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