(under subclass 565.11) Subject matter including a nonautomatic valve mechanism for selectively regulating the fluid flow. [figure] [caption]Figure 1: A typical example of the subject matter. A - Manual control; B - Connecting pipe; C - Hydraulic pump; D - Electric motor; E - Reservoir or tank; F - Normally open switch; G - Actuating lever.
SEE OR SEARCH CLASS
251, Valves and Valve Actuation,
213+, for manually actuated mechanical movement actuator, subclasses 231+ for a lever-type mechanical movement actuator, and subclass 294 for a flexible actuator (e.g., Bowden cable or wire, chain).