Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters
Patent
1987-01-08
1988-08-16
Silverberg, Fred A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
361219, B60B 3300
Patent
active
047633832
ABSTRACT:
A caster with a constant electrically conductive path defined from the pintle to the surface on which the caster wheels are supported to prevent the build up of static charges which may generate sparks and uncontrolled voltage surges that may damage electronic components or cause combustion in volatile environments.
REFERENCES:
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patent: 608234 (1898-08-01), Slayton
patent: 619896 (1899-02-01), Lee
patent: 907104 (1908-12-01), Brower
patent: 1348150 (1920-08-01), Cantelo
patent: 2216363 (1940-10-01), Crawford
patent: 2318340 (1943-05-01), Thatcher et al.
patent: 2533403 (1950-12-01), Schultz
patent: 2891273 (1959-06-01), Hutchinson
patent: 2985799 (1961-05-01), Steele
Estkowski Christopher G.
Estkowski Michael H.
Shane Robert M.
Shepherd Products U.S. Inc.
Silverberg Fred A.
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