Motor-driven hammer

Details Motor-driven hammer Motor-driven hammer

1986-03-19

1988-05-10

Kazenske, E. R.

Tool driving or impacting

Impacting devices

Hammer head driven by electric motor

81 20, 173121, 173123, B25D 100

Patent

active

047428759

ABSTRACT:
A motor-driven hammer may include an air motor, a DC motor operated from rechargeable batteries, or an AC motor operated from the commerical power supply. In one embodiment, the motor is coupled to reciprocate the hammer head by way of a cam is a tension spring. In the second embodiment a compression spring is employed in conjunction with a cam which releases the hammer head upon full compression of the spring.

REFERENCES:
patent: 2113084 (1938-04-01), Hewitt et al.
patent: 2286521 (1942-06-01), Walter
patent: 2342601 (1944-02-01), Pyle
patent: 2703029 (1955-03-01), Steukers
patent: 2877820 (1959-03-01), Ristow
patent: 3376940 (1968-04-01), Willis

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