(under subclass 527) Devices in which a detent acts on one element of the system to hold it in a predetermined position, the detent being connected to a second member of the system, and in order to release the element, the second member must first be operated to release the detent.
SEE OR SEARCH THIS CLASS, SUBCLASS:
478, for multiple foot operated control systems.
479+, for systems having multiple controlling elements.
SEE OR SEARCH CLASS
192, Clutches and Power-Stop Control, 13, for interconnected clutch and brake.
