US PATENT SUBCLASS 221 / 268
.~ Reciprocating (including oscillating)

Current as of: June, 1999
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221 /   HD   ARTICLE DISPENSING

208  DF  WITH DISCHARGE ASSISTANT {28}
268.~ Reciprocating (including oscillating) {5}
269  DF  .~.~> With integral outlet closure
270  DF  .~.~> With retractable pusher element
271  DF  .~.~> Spring biased to discharging position
272  DF  .~.~> Relatively movable actuator {3}
276  DF  .~.~> Spring biased

DEFINITION

Classification: 221/268

(under subclass 208) Devices in which the discharge assistant has a character of motion which is alternately forward and backward, to and fro, or in reverse directions in the same path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

180, for stack forming article dispensers in which oscillating pivoted chute sections operate within the supply hopper to assist discharge of articles therefrom.

232, for article dispensing devices having a follower mechanism combined with reciprocating (including oscillating) ejector means.

238, for article dispensing devices having plural discharge assistants separately acting in series, all of which are reciprocating (including oscillating).

292, for article dispensers in which articles which have been segregated by gravity release means are acted upon by force applying means to cause a reciprocating movement thereof.

SEE OR SEARCH CLASS 222, Dispensing,

409+, for fluent material dispensers having reciprocating (including oscillating) discharge assistants, and see the search notes thereto.