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Class Information
Number: 191/31
Name: Electricity: transmission to vehicles > Conductors > Third rail > Protected > Closing
Description: Third rail conductors of the protected type wherein the place of entry of the collector into the protecting casing is normally obstructed by a movable closer, which is withdrawn as the collector passes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4888454 |
Current supply system for track-guidable, rubber-tired, electrically propulsive vehicles |
Dec. 19, 1989 |
| 4598180 |
Overhead electric traction systems |
Jul. 1, 1986 |
| 4254851 |
Bus bar switch for trolley-type transportation system |
Mar. 10, 1981 |
| 4245727 |
Conduit |
Jan. 20, 1981 |
| 4239094 |
Current transmitting system for trackway type motor vehicle |
Dec. 16, 1980 |
| 4238010 |
Current transmitting system for trackway type motor vehicle |
Dec. 9, 1980 |
| 4227595 |
Current transmitting system for electrical vehicle |
Oct. 14, 1980 |
| 4083439 |
Power collection device for electric powered rail cars |
Apr. 11, 1978 |
| 4067257 |
Electrical conduit |
Jan. 10, 1978 |
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