Reciprocating shaft device

Details Reciprocating shaft device Reciprocating shaft device

1994-05-09

1995-11-28

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 17, 604 48, 604289, 606186, A61M 3100, B26F 124

Patent

active

054711029

ABSTRACT:
A reciprocating shaft device suitable for numerous uses, including as a tattoo device, with a balanced generally symmetrical configuration having an electromagnetic coil with a shaft slidably mounted concentrically within the coil. A cylindrical housing encloses the shaft and electromagnetic coil. Damping means within the cylindrical housing quiet any noise generated by vibration. The electromagnetic coil is driven from a power source through a timer circuit and a switching circuit, the switching circuit energizing the coil with the timer circuit controlling the rate or frequency of the switching cycle.

REFERENCES:
patent: 3562566 (1971-02-01), Kircher
patent: 4595850 (1986-06-01), Woog
patent: 5253382 (1993-10-01), Beny
patent: 5311633 (1994-05-01), Herzog et al.

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