Dispensing pump locking means

B - Operations – Transporting – 05 – B

Patent

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222/78

B05B 11/00 (2006.01)

Patent

CA 1148514

ABSTRACT OF THE DISCLOSURE In a dispensing pump including a reciprocable plunger having a locking finger on a pump body member and a cam on a control member rotatable relative thereto for immobilizing the plunger as an upper portion of the finger is deflected into the path of reciprocation of the plunger, another cam is provided on the control member for positively deflecting such upper portion out of such path of recipro- cation so as to avoid complete reliance on the locking finger retracting from such path in a normal unstressed condition thereof. Alternatively, a stop shoulder on the plunger on which the free end of the locking finger bears to effect plunger mobilization may be beveled and the free end accordingly sloped so as to positively retract the locking finger out of the path of the stop shoulder upon plunger reciprocation.

369472

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