Electricity: transmission to vehicles – Conductors – Conduit
Patent
1977-08-29
1978-08-15
Kunin, Stephen G.
Electricity: transmission to vehicles
Conductors
Conduit
191 23A, 191 441, B60M 134
Patent
active
041065999
ABSTRACT:
A conductor rail construction, and a joint for connecting conductor rails of electrification systems as used for vehicles, cranes and the like, comprising rail members whose cross-sections are like the figure H, and joints each comprising a relatively thick connector block and a relatively thin clincher strip underlying the block, both adapted to extend into T-slots of the end portions of the rail members. The clincher strip is bowed or otherwise formed, and closely fits into undersized or V-grooves in the T-slots of the rail members, being flattened by screws threaded into the connector block whereby it forcibly wedges into said grooves to dominate and maintain precise alignment of the rail member end portions. Flanges of the end portions which define the slot opening are initially relatively angularly disposed, and are flattened into springing position by the force exerted against them by the connector block. Abraded under surfaces of the flanges are smeared with anti-oxidation compound and make improved contact with the connector block. The precise alignment effected by the clincher strip makes possible a precise positioning of the ends of stainless steel contact strips whereby smooth traversals from one strip to the other can be effected, especially since the contact strips are back-to-back with the clincher strip, thereby avoiding arcing, excessive shoe wear and noise, and making possible a press-fitting of heater wires into aligned grooves of the rail members, closely adjacent the contact liner without deformation or tearing.
REFERENCES:
patent: 2640114 (1953-05-01), Wehr
patent: 2835752 (1958-05-01), Anjeskey et al.
patent: 2990458 (1961-06-01), Mabeoch
patent: 3311715 (1967-03-01), Corl et al.
patent: 3892299 (1975-07-01), Kilburg
patent: 3902579 (1975-09-01), Howell, Jr.
patent: 4049092 (1977-09-01), Lillard et al.
patent: 4050555 (1977-09-01), Ross, Jr.
Kunin Stephen G.
Lehmann H. Gibner
Lehmann K. Gibner
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