Heel grounding strap

Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Specific conduction means or dissipator

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Details

361224, H05F 302

Patent

active

045517835

ABSTRACT:
A grounding device for dissipating electrostatic voltages from the body of a wearer comprises: a pair of grounding straps of equal length joined together at right angles at their ends; a pair of fastener straps extending from the grounding strap ends at about 45.degree.; and an elongated tongue of conductive elastomer having a resistivity of about 1.times.10.sup.6 ohm per square, the tongue being connected to one of the grounding strap ends and the fastener at such end; the length of the grounding straps being selected such that with one strap against a shoe counter, the other extends under the heel of the shoe.

REFERENCES:
patent: 1940491 (1933-12-01), Freitag
patent: 2287744 (1942-06-01), Monahan
patent: 2785344 (1957-03-01), Hines
patent: 3015754 (1962-01-01), Legge
patent: 3359456 (1967-12-01), Woskin
patent: 3379932 (1968-04-01), Legge
patent: 3459997 (1969-08-01), Legge
patent: 3596134 (1971-07-01), Burke
patent: 3737723 (1973-06-01), Kanor
patent: 3798503 (1974-03-01), Larsh
patent: 3857397 (1974-12-01), Brosseau
patent: 3912973 (1975-10-01), Young
Legge Conductive Products, advertising brochure, pp. 1-2, (Date of publication unknown).
Effective Static Control with the Legge System, advertising brochure of Walter G. Legge Co., Inc., pp. 2-4, (Date of publication unknown).
Velostat 3M, advertising brochure of Static Control Systems/3M, pp. 1-2, (Date of publication unknown).

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