Machine unit having retaining device using static electricity

Details Machine unit having retaining device using static electricity Machine unit having retaining device using static electricity

1988-04-12

1989-09-05

Hix, L. T.

Electricity: electrical systems and devices

Electric charge generating or conducting means

Use of forces of electric charge or field

271 181, 271193, H02N 1300

Patent

active

048644617

ABSTRACT:
A machine unit provided with an electrostatic retention means disposed at a desired position. The electrostatic retention means includes a pair of electrodes, an attraction member associated with the pair of electrodes and in which static electricity is induced so as to generate an electrostatic attraction force which attracts and retains an object, and a power source circuit for supplying positive and negative charges to the pair of electrodes while sequentially and alternately changing the polarity thereof.

REFERENCES:
patent: 3253200 (1966-05-01), Klass et al.
patent: 3916270 (1975-10-01), Wachtler et al.
patent: 4184188 (1980-01-01), Briglia
patent: 4480284 (1984-10-01), Tojo et al.
patent: 4526357 (1985-07-01), Kuehnle et al.
patent: 4751609 (1988-06-01), Kasahara

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