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Liquid dispensing device

  • US 7,108,158 B2
  • Filed: 06/18/2002
  • Issued: 09/19/2006
  • Est. Priority Date: 06/21/2001
  • Status: Expired due to Fees
First Claim
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1. A liquid dispensing device comprising:

  • at least one piston pump having a piston rod,an actuator comprising an actuating means arranged to move the piston rod between a first and a second extreme position for sucking liquid to be dispensed from a container in a filling cycle and applying said liquid to a target in an emptying cycle, anda gripper attached to the actuating means and able to be engaged with the piston rod in its first extreme position so as to move the piston rod along with the actuating means and to be automatically disengaged from the piston rod in its second extreme position,wherein the gripper is made able to engage with the piston rod at the beginning of the filling cycle of said piston pump and to disengage automatically from the piston rod at the beginning of the emptying cycle of said piston pump.

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