Child-resistant trigger pump dispenser

Dispensing – With lock or fastening seal – Plural

Patent

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Details

222383, B67B 500, B67D 542

Patent

active

044549652

ABSTRACT:
A child resistant trigger pump dispenser having an elongated, transversely oriented body member with the pump outlet at one end thereof and a vertically extending lower end section for receiving fluid from a container. The lower end section of the pump is equipped with a rigidly attached closure member having a multiplicity of short threads with projections adjacent their ends on the inner wall of the downwardly depending skirt. The container neck is provided on its outside surface with a multiplicity of long interrupted threads, some having recessed portions on their underside adjacent their terminal ends to receive the projections on the short threads on the closure member skirt portion. The closure member is provided with an upstanding boss which is received in an opening provided in the lower portion of the body member for accommodating the trigger arm whereby the transverse axis of the trigger pump can be oriented with respect to the engaging lugs provided on the closure means when the closure member is permanently fixed to the pump. The closure member is fixedly attached to the lower portion of the pump body during assembly so that when the pump is connected to an oval or non-cylindrical container having the long interrupted threads the projections on the short threads of the closure will engage the undercuts on the long threads so that the transverse axis of the pump is in alignment with the major transverse axis of the container to provide fixed orientation of the pump with respect to the container.

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