(under the class definition) Subject matter wherein significance is attributed to an auxiliary device mounted for association with a belt* and pulley* drive train for maintaining the cleanliness of the belt, pulley, or guide roll* during power transmission to a load device.
(1) Note. For a patent to be placed herein, the cleaning device must be particularly adapted to be associated with a drive train to provide cleaning during power transmission. If the device is of general utility and not particularly adapted to be mounted on an operating drive train, classification is in a class appropriate for cleaning of general utility such as Class 15 or 134.
(2) Note. If the structure merely provides an opening through the drive face of a pulley whereby accumulated foreign matter on the bottom of a belt may pass through the opening, classification is not herein, but is with appropiate pulley subcombination structure classified below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
185+, for a pulley having a drive face formed of circumferentially spaced discrete elements so as to provide an opening through which foreign matter may pass, and see (2) Note above.
188+, for a pulley having grooves or openings in a cylindrical drive face, and see (2) Note above.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning, 256.5+, for a scraper, wiper, or brush for a moving surface.
