(under subclass 100.1) Mechanism wherein the driving member is a thin, resilient element which is in a distorted condition in either one of the two positions which it customarily occupies, and which, when moved by an external force away from one position in the direction of the other position, undergoes a reversal of distortion, resulting in a rapid movement between the two positions.
SEE OR SEARCH CLASS
192, Clutches and Power-Stop Control,
89.29, for a clutch which is operated by a quick-throw spring.
267, Spring Devices,
159, for a device of that class in the nature of a snap spring.
