Motorized hand tool for drilling

Details Motorized hand tool for drilling Motorized hand tool for drilling

1981-10-30

1984-05-15

Kazenske, E. R.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

408 6, B23Q 500

Patent

active

044482612

ABSTRACT:
A manually guided motorized hand tool used for drilling and/or percussive drilling includes a housing with a mass movably mounted about the drilling axis for movement relative to the housing. A switch is mounted on the housing and is operable by the mass when it moves a certain angular distance relative to the housing. When operated, the switch cuts off the power supply to the hand tool.

REFERENCES:
patent: 3456740 (1969-07-01), Paule et al.
patent: 3613853 (1971-10-01), Linthicum
patent: 3768573 (1973-10-01), Jennings
patent: 4063600 (1977-12-01), Krzes
patent: 4090802 (1978-05-01), Bilz
patent: 4307784 (1981-12-01), Smith
patent: 4316512 (1982-02-01), Kibblewhite et al.

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