(under the class definition) Elements comprising a unit consisting of an arm rotating about an axis and a crank pin projecting transversely from said arm for the attachment of a foot pedal, the first mentioned axis and the axis of the pin being substantially parallel to each other.
(1) Note. The crank bearing and hanger and the pedal may be included.
SEE OR SEARCH THIS CLASS, SUBCLASS:
560+, for foot levers.
595+, for cranks and wrist pins.
SEE OR SEARCH CLASS 301, Land Vehicles: Wheels and Axles,
2.5, for combinations of a wheel, axle and pedal crank.
384, Bearings,
431, for a pedal type crank bearing with support means.
403, Joints and Connections, appropriate subclasses, especially