Electricity: transmission to vehicles – Conductors – Conduit
Patent
1975-08-08
1976-12-21
Kunin, Stephen G.
Electricity: transmission to vehicles
Conductors
Conduit
29509, 174 99B, 174133B, B60M 134
Patent
active
039983064
ABSTRACT:
A rail construction for rail-type electrification systems, comprising a conducting rail member having a cross-sectional configuration somewhat like a pair of channel shapes disposed back to back. One channel shape is used for suspension or mounting, as well as rigidity. The other channel shape contains a stainless steel insert in the form of a flat contact member which is secured in place by being pinched between opposed wall areas of flanges of the rail member, in consequence of the flanges being swaged or displaced beyond their elastic limit to effect a gripping of the contact member. The inner walls of the flanges, which adjoin the elongate contact member, constitute metal guideways that assure a positive tracking of the collector shoe. Any small relative movements between the conducting rail member and the stainless steel insert, as occasioned by temperature changes for example, cannot result in loosening of the insert or deterioration of the electrical conductance thereto. The rail member can be provided with a skin-tight jacket of insulation that is coextensive with the member and capable of accommodating mounting clamps at any desired locations.
REFERENCES:
patent: 1746201 (1930-02-01), Tashjian
patent: 2640114 (1953-05-01), Wehr
patent: 2820084 (1958-01-01), Shaw
patent: 2882376 (1959-04-01), Charbonneau
patent: 3590173 (1971-06-01), Stahmer
patent: 3892299 (1975-07-01), Kilburg
Kunin Stephen G.
Lehmann H. Gibner
Lehmann K. Gibner
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