PISTON ASSEMBLY INTERLOCKED WITH PISTON ACTUATOR BEING UNLOCKABLE UPON DISASSEMBLY OF PUMP
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Feb 27, 2015
filing date -
Feb 27, 2014
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Abstract
A pump for pumping fluid, wherein the pump comprises a pump head comprising a working chamber, a piston assembly configured for reciprocating within the working chamber to thereby displace fluid, a pump base accommodating a piston actuator being mechanically lockable to the piston assembly in a working mode of the pump to thereby transmit drive energy to the piston assembly to reciprocate, and a locking/unlocking mechanism configured to, upon unfastening the pump head from the pump base, mechanically unlock the piston actuator from the piston assembly in a maintenance mode of the pump.
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