.~> Element extending through dispenser outlet {2}
DEFINITION
Classification: 222/148
(under the class definition) Dispensers having (1) devices which operate to clean parts of the apparatus other than or in addition to the material storage chamber or discharge paths, and (2) devices which operate to clean the storage chamber or discharge path and which are capable of functioning only when dispensing is not taking place or which do not assist with a dispensing operation.
(1) Note. This and the indented subclasses do not take devices which assist normal discharge (such as agitators and other discharge assistants) nor devices which remove material from such discharge assistants, nor does it take mere openings (with or without closures therefor) which provide access to the interior for cleaning or other purposes, such subject matter being provided for in the following subclasses.
SEE OR SEARCH THIS CLASS, SUBCLASS:
196.3, for hand manipulable shaker type dispensers having inertia operated movable means promoting dispensing by jarring or impact and also comprising elements adapted to clear the openings of a sifter or plural opening pattern dispensing outlet.
216+, for ejectors for the material in either (1) conveyor
type discharge assistants with trap chambers or grooves, and (2) movable trap chambers.
226+, for discharge assistants having agitator type discharge assistants preceding them in acting on the material, and frequently having a wall cleaning function. 252+, for other plural sequentially operable discharge assistants, the second of which may be a cleaner type of agitator.
342, for scrapers or wipers for or carried by a discharge assistant.
345+, for strikers or clearers for conveyor type trap chambers.
478+, for dispensers having openings other than and in addition to dispensing outlets, including openings for access to the interior for cleaning or other purposes, there being no cleaning means claimed.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning.
34, Drying and Gas or Vapor Contact With Solids,
85,.
68, Textiles: Fluid Treating Apparatus.
134, Cleaning and Liquid Contact With Solids, and see the notes thereto for cleaning in general.
137, Fluid Handling,
237+, for fluid handling systems having installed cleaning means. 141, Fluent Material Handling, With Receiver or Receiver Coacting Means,
89, and 92 for receiver inlet cleaners in a dispensing and receiving combination.
239, Fluid Sprinkling, Spraying, and Diffusing,
106+, for spray nozzles combined with cleaning or flushing means therefor.
291, Track Sanders,
12, and 42+ for blast nozzle and sand-delivery pipe cleaners.
431, Combustion,
121+, for a burner having a purging or cleaning means.