US PATENT SUBCLASS 246 / 65-- .~.~.~.~.~ Multiple continuous contacts

US PATENT SUBCLASS 246 / 65
.~.~.~.~.~ Multiple continuous contacts

Current as of: June, 1999
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246 /	HD	RAILWAY SWITCHES AND SIGNALS

20	DF	BLOCK-SIGNAL SYSTEMS {4}
27	DF	.~ Automatic {5}
28 R	DF	.~.~ Electric {18}
62	DF	.~.~.~ Cab signal or train control {7}
64	DF	.~.~.~.~ Train-carried current supply {3}
65		.~.~.~.~.~ Multiple continuous contacts {1}
66	DF	.~.~.~.~.~.~> Sectional

DEFINITION

Classification: 246/65

(under subclass 64) Systems in which continuous contacts are maintained by shoes, brushes, and their equivalents between two or more metallic conductors extending parallel to the track. The traction-rails may or may not form part of the circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

9+, 66-68, 73, and 86, for continuous- contact systems.

167+, and all subclasses mentioned in the search notes appended thereto, for cab control and features.

SEE OR SEARCH CLASS

191, Electricity: Transmission to Vehicles, appropriate subclasses, for details of the electric conductors and collectors.