Foldable handle for hand pump
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United States of America Patent
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Sep 15, 2015
Grant Date -
Apr 3, 2014
app pub date -
Oct 3, 2012
filing date -
Oct 3, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A hand pump includes a piston slidably engaged in a housing and coupled to a piston rod, a handle having a compartment for receiving the piston rod at an inwardly folding position and having a guiding passage formed in one of the two end portions of the handle, a stud extended from a middle portion of the handle and having a slot communicating with the passage of the handle for allowing the piston rod to be rotated relative to handle between the inwardly folding position and an outwardly working position where the piston rod is engaged in the stud and perpendicular to the handle, and a control ferrule is attached onto the piston rod for anchoring the piston rod to the housing at the outwardly working position.
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