Patent ID: 6203322
Filing Date: 2001-03-20
Classification: A61C

Abstract:
A dental prophy angle comprising:an elongate hollow body comprising a tubular handle and a tubular extension extending from the handle at one end thereof, the tubular extension having a bore therethrough from the end thereof at the handle to its other end constituting its forward end, the tubular extension having at its forward end a recessed forward end formation defining a forwardly opening recess;a closure for said recess mating with said recessed forward end formation on said recess;said recessed forward end formation and said closure mating in directly opposed relationship on opposite sides of a plane generally transverse with respect the axis of said bore in the extension to define a hollow head with a chamber therein at said forward end of the tubular extension when the closure is applied to said recessed forward end formation;a first securement extension on one of the closure and the forward end formation configured for overlapping an exterior surface of the other of the closure and forward end formation when the closure is applied to the end formation; anda first set of cooperative locking elements on the first securement extension and said other of the closure and forward end formation for securing the closure in fixed position on the forward end formation.