B
PERFORMING OPERATIONS; TRANSPORTING
B60
VEHICLES IN GENERAL
B60T
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
B60T7/00
Brake-action initiating means
B60T7/12
for automatic initiation; for initiation not subject to will of driver or passenger
B60T7/22
initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle; , or by means of contactless obstacle detectors mounted on the vehicle