Dispensing pump having collar-to-body anti-rotation interlock

Details Dispensing pump having collar-to-body anti-rotation interlock Dispensing pump having collar-to-body anti-rotation interlock

B - Operations, Transporting

65

D

206/1, 222/76

B65D 47/34 (2006.01) B05B 11/00 (2006.01) F04B 9/14 (2006.01)

Patent

CA 1253829

DISPENSING PUMP HAVING COLLAR-TO-BODY ANTI-ROTATION INTERLOCK Abstract of the Invention Serrations on the upper end of the pump body are disposed for interlocking engagement with depending portions of the pump collar so that when the plunger is rotated in a counterclockwise direction to unlock the same from the collar in preparation for reciprocal operation, the collar is held securely by the body against rotation to assure unlocking. The serrations take the form of a plurality of equally circumferentially spaced ramps which are inclined upwardly in the direction of locking rotation of the plunger to thereby permit the collar to yieldably override the serra- tions when the locked plunger and collar are rotated as a unit in the locking direction rela- tive to the body to orient a spout of the plunger in a desired location for factory packaging effi- ciency.

466091

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