Ice guard for grooved trolley wire

Details Ice guard for grooved trolley wire Ice guard for grooved trolley wire

1993-04-13

1995-10-10

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including fastener for attaching to external surface

191 33R, 191 62, 428122, B60M 113

Patent

active

054569621

ABSTRACT:
An ice guard for a grooved trolley wire including a canopy supported on the wire by support members which extend inwardly from the canopy and are frictionally fit in the grooves of the trolley wire.

REFERENCES:
patent: 1765823 (1930-06-01), Burke
patent: 2129706 (1938-09-01), Richey
patent: 2564386 (1951-08-01), Webb
patent: 3133984 (1964-05-01), Farough et al.
patent: 3189679 (1965-06-01), Scofield
patent: 3235118 (1966-02-01), Kewley
patent: 3900697 (1975-08-01), Yotsugi
patent: 4422718 (1983-12-01), Nakagome et al.
patent: 4723758 (1988-02-01), Gehrig
patent: 5190801 (1993-03-01), Charet et al.
patent: 5200240 (1993-04-01), Baker

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