(under subclass 250.351) Apparatus wherein the specific arm structure is between a part of the arm structure connected to a drive shaft and a part of the arm structure connected to the cleaning element, permitting rotation or providing bias between the two.
(1) Note.In this subclass specific arm structure is more than a recitation of a "pivot", "hinge," or "biasing means."
SEE OR SEARCH THIS CLASS, SUBCLASS:
250.32+, for an optical-member-attachable cleaner having a specific coupling or mounting connection between an arm and a cleaning element.
250.34, for an optical-member-attachable cleaner having a specific coupling or mounting between an arm and an actuating shaft.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
579+, for pitman or connecting rods. 403, Joints and Connections,
119+, for a pivot between two members where one has an
angular motion in a plane transverse to the other, or subclasses 52+ for articulated members having a joint or coupling.
