Static protective chair

Details Static protective chair Static protective chair

1983-07-28

1985-04-23

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

297345, 361220, H05F 302

Patent

active

045133476

ABSTRACT:
A chair adapted to continuously discharge static electricity has conductive fabric (80, 98) on backrest and seat cushions (18, 14) grounded through conductive plates (84, 100) and staples (88), bolts (34, 68) and T-nuts (62). The backrest bolts (34) are electrically connected to each chair base (16) through a metal bracket (40). The seat bolts (68) are connected directly to the chair base (16). A conductive contact spring (120) is secured to the bottom of a spindle (114) to maintain electrical contact between the spindle (114) and a hub tube (124). A drag cable assembly (140) maintains electrical communication between the base (16) and a floor surface.

REFERENCES:
patent: 619896 (1899-02-01), Lee
patent: 1744004 (1930-01-01), Hunt
patent: 2302003 (1942-11-01), Cadwell et al.
patent: 2714181 (1955-07-01), Azbill
patent: 2751523 (1956-06-01), Adams
patent: 2753491 (1956-07-01), Legge
patent: 2786161 (1957-03-01), Lunden
patent: 2802148 (1957-08-01), Allder
patent: 3288175 (1966-11-01), Valko
United Technical Products, Inc.-"Compu-Chair".
Ajusto Equipment Company-"Ship-Now" Models.
Cramer Inc.-"Clean Room Seating".
Doyce Pool-"Seat-Cover Shock Eliminated".

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