.~ Multiple controlling elements for single controlled element {8}
490.11
.~.~ Power and manual controlling elements
DEFINITION
Classification: 74/490.11
Power and manual controlling elements:
(under subclass 479.01) Subject matter in which there is a combination of at least one power driven element and at least one manually operated element which together control the system's single output element. [figure]
(1) Note. In this subclass, and in coordinate and subordinate subclasses, the terms "manual" and "hand operated" also include using leg or foot power.
SEE OR SEARCH THIS CLASS, SUBCLASS:
625, for devices having alternate manual or power operators to control an output.