Patent ID: 9179989
Filing Date: 2015-11-10
Classification: A61C,B25B

Abstract:
1. A tool for inserting an O-ring into a dental prosthesis cap comprising: a driver comprising a first driving end portion having an O-ring engaging member extending outwardly from the first driving end portion; and a bushing sleeve having a first end, a second end and a bore extending therethrough from the first end to the second end, said bore having an inner surface, wherein the first end of the bushing sleeve has an annular inner rib extending radially from said inner surface for loading an and retaining the O-ring in the first end of the bushing sleeve, and wherein said inner surface having a first cylindrical portion at the first end and a second tapered portion at the second end; wherein the O-ring engaging member is configured to be inserted into the first end of the bushing sleeve to engage the loaded and retained O-ring which is to be inserted into the dental prosthesis cap, and wherein the O-ring engaging member moves relative to the inner surface of the bore and deforms inwardly as the O-ring engaging member moves in a direction from the first end to the second end of the bushing sleeve.