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Digital titration device

  • US 4,086,062 A
  • Filed: 02/23/1977
  • Issued: 04/25/1978
  • Est. Priority Date: 02/23/1977
  • Status: Expired due to Term
First Claim
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1. A liquid dispensing device for titration comprising, in combination, a frame, a plunger mounted for reciprocation in said frame from a retracted position to an extended position, a preloaded titration liquid containing cartridge having an open end sealed by a slidable piston cap and a nozzle at the opposite end, means for locking said open end of the liquid containing cartridge on said frame in a position wherein said cap receives said plunger whereby movement of the plunger from said retracted position toward said extended position expels liquid through said nozzle in said cartridge, a lead screw mounted for rotation in said frame, means on said frame for measuring rotation of said screw, a nut for coupling said plunger to said screw so that rotation of the screw reciprocates the plunger, and a control for selectively rotating said screw.

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