Antistatic chairmat

Details Antistatic chairmat Antistatic chairmat

1982-02-08

1983-11-15

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

361216, H05F 300

Patent

active

044159463

ABSTRACT:
An antistatic chairmat for preventing electrical shocks due to triboelectricity. The chairmat consists of a transparent plastic material and includes an array of semiconductive inserts with a ground connection. The preferred design incorporates a conductive or semiconductive lower layer, and an insulative intermediate layer which may be a printed design, or sheet. The lower conductive or semiconductive layer provides electrical continuity to ground via studs at the bottom of the semiconductive inserts. An alternative antistatic chairmat includes a plurality of semiconductive layers bridged by one or more conductive grounding clips.

REFERENCES:
patent: 2302003 (1942-11-01), Cadwell et al.
patent: 2323461 (1943-07-01), Donelson
patent: 2378623 (1945-06-01), Donelson et al.
patent: 2416202 (1947-02-01), Naumann
patent: 3132065 (1964-05-01), Barsy et al.
patent: 4208696 (1980-06-01), Lindsay et al.
patent: 4301040 (1981-11-01), Berbeco

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