US PATENT SUBCLASS 222 / 498
SNAP-ACTING OUTLET ELEMENT

Current as of: June, 1999
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222 /   HD   DISPENSING

498SNAP-ACTING OUTLET ELEMENT {1}
499  DF  .~> Axially movable tube, sleeve, or apertured cap

DEFINITION

Classification: 222/498

(under the class definition) Dispensers in which means are provided for causing a movable outlet element to move with snap action.

(1) Note. Such means may be applied to the movable element itself, or applied to the actuating means therefor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

542, for compression of a resilient packing type seal for an outlet member, which is not considered snap action.

SEE OR SEARCH CLASS

24, Buckles, Buttons, Clasps, etc., particularly

588+, for head and socket-type fasteners operating with a snap action. 74, Machine Element or Mechanism, particularly

97, and 100, for snap acting mechanical movements.

220, Receptacles,

60, for closures forced into place and held by interfitting integral, snap acting parts of the closure and receptacle.

251, Valves and Valve Actuation,

75, for snap action of valves.