PUMP DEVICE INCLUDING MULTIPLE FUNCTION COLLAPSIBLE PUMP CHAMBER

A collapsible pump chamber (60) is provided which includes several functional elements of a pump device. For example, the collapsible pump chamber may be a bellows which includes a functional element (91) of an outlet valve, a functional element (82) of a biasing feature, and a functional element of...

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Bibliographische Detailangaben
1. Verfasser: PETERSON, ROBERT JAMES
Format: Patent
Sprache:eng ; fre
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