IPC Definitions - January 01, 2012
B61L - Definition
This subclass covers:
Means for controlling and safeguarding railway vehicle traffic, including apparatus and processes that are specially adapted, or intended to be utilized, for the following categories related to railway vehicle traffic:
References relevant to classification in this subclass
This subclass does not cover:
Railway vehicle brakes or other retarding apparatus | B61H |
Derailing or re-railing blocks on the track, and for railway stops, scotch-blocks, track brakes or retarders fixed to the permanent way | B61K |
Detectors indicating the overheating of railway vehicle axle bearings | B61K 9/04 |
Rail, switch, point or crossing construction | E01B |
Rail joints | E01B 11/00 |
Electrically insulated rail joints | E01B 11/54 |
Cattle guards fixed to the permanent way | E01B 17/00 |
Attention is drawn to the following places, which may be of interest for search:
Power supply lines for electrically propelled vehicles | B60M |
Arrangement, mounting or supporting of signaling devices for vehicles in general | B60Q |
The arrangement of signaling or lighting devices, the mounting or supporting thereof for rail vehicles | B61D |
Illumination in general; illumination for signaling, marking or indicating; details of lighting devices or systems | F21 |
Visible signaling arrangements in general | G08B 5/00 |
An alarm responsive to an abnormal condition | G08B 21/00, G08B 23/00 |
In this subclass, the following terms or expressions are used with the meaning indicated:
Scotch-block | A wedge to prevent the movement of an opening switch rail of a set of points or of stationary vehicles. |