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Cylinder pump having controllable piston/drive detachment

  • US 5,567,122 A
  • Filed: 10/13/1994
  • Issued: 10/22/1996
  • Est. Priority Date: 10/13/1994
  • Status: Expired due to Fees
First Claim
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1. A cylinder pump, said cylinder pump including an interior piston with attached piston rod and an exterior cylinder wall having top and bottom ends, a fluid orifice disposed on said top end and a rod opening on said bottom end wherein said piston rod passes therethrough, said cylinder pump comprising:

  • a) a frame having an orifice seat means for receiving said fluid orifice and placing said cylinder in fluid communication with a predetermined fluid depository;

    b) a movable rod engagement means slidably disposed on said frame which selectively engages and disengages said piston rod;

    c) drive means disposed on said frame for movement of said rod engagement means.

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