Patent ID: 6584910
Filing Date: 2003-07-01
Classification: F41B,F42B

Abstract:
An animal syringe system, comprising:a syringe having a plunger slidably positioned within and at least one tension spring attached to said plunger for drawing said plunger inwardly; a first catch mechanism within said syringe for selectively engaging said plunger; an inner sleeve slidably receiving said syringe; an outer sleeve movably positioned about said inner sleeve, wherein said outer sleeve has a front end with a needle opening for allowing a needle from said syringe to extend through; a compression spring positioned about said inner sleeve and within said outer sleeve, wherein said compression spring is compressed between an inner end of said outer sleeve and an outer flange of said inner sleeve; a pressure rod slidably extending through said front end of said outer sleeve and said inner sleeve to adjacent said first catch mechanism, wherein said pressure rod releases said first catch mechanism upon engaging an object; and a second catch mechanism connected between said outer sleeve and said inner sleeve, wherein said second catch mechanism is released when said plunger is fully drawn inwardly.