Patent ID: 8052421
Filing Date: 2011-11-08
Classification: A61C,B05C

Abstract:
1. A dispensing syringe for dispensing a two-component composition, comprising: a) a syringe body including, b) a plunger rod assembly including, c) a rotatable, threaded knob for connecting the plunger rod assembly to the syringe body, the threaded knob having a through-bore with a continuous internal thread for engaging the outer threaded edges of the first and second plunger rods so that only the knob is rotated and the syringe body remains stationary and as the knob is rotated about the longitudinal axis of the syringe body, the plunger rods move together in a forward or rearward direction within the barrels, wherein the syringe body further comprises a central supporting member having a pair of inner grooved segments for receiving radial fins extending along the inner surfaces of the first and second plunger rods and guiding the plunger rods into the first and second barrels respectively.