04162746 is referenced by 97 patents and cites 8 patents.

A liquid dispenser has relatively rotatable closure, sleeve and plunger members, the latter two being locked against reciprocation of the plunger member by a misalignment between ribs and grooves therebetween. One of the grooves has a pair of upstanding pegs on opposite sides so as to not only avoid inadvertent alignment when the ribs and grooves are in a misaligned position, but to also permit the plunger and sleeve members to rotate together as the rib abuts against one or the other of the pegs when in a misaligned position. A spacer element surrounding the plunger rod maintains the inlet valve in a closed position despite a slight separation between the plunger and sleeve members when rotated to the misaligned position. Also, the closure member is adapted to be removed only with difficulty from the container on which it is affixed.

Title
Liquid dispenser locking means
Application Number
5/809008
Publication Number
4162746
Application Date
June 22, 1977
Publication Date
July 31, 1979
Inventor
Ronald A Meyer
San Dimas
CA, US
Walter F Anderson
West Covina
CA, US
Agent
Watson Cole Grindle & Watson
Assignee
Diamond International Corporation
NY, US
IPC
B65D 47/34
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