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Class Information
Number: 191/8
Name: Electricity: transmission to vehicles > Systems of distribution > Safety cut-out
Description: Systems of distribution to vehicles combined with means under the control of the persons on the vehicle for de-energizing the systems at will.


Patents under this class:

Patent Number Title Of Patent Date Issued
5654634 Method for detecting gaps to be bridged in the power supply of an electric rail vehicle Aug. 5, 1997
4984349 Method of and apparatus for emergency shutdown of production line Jan. 15, 1991
4745997 Offset detecting device for trolley-assisted vehicles May. 24, 1988
4340920 Mine vehicle safety apparatus Jul. 20, 1982
4116312 Mine vehicle trolley pole Sep. 26, 1978
4042081 Manual control of third rail power knockout Aug. 16, 1977



 
 
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