Locking screw

Details Locking screw Locking screw

1992-12-30

1995-02-07

O'Connor, Cary E.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

411304, 351141, A61C 800, F16B 3934, G02C 500

Patent

active

053871022

ABSTRACT:
A locking screw for connecting first and second closing lugs. The first closing lug has an unthreaded through bore and the second closing lug has a tapped bore open to the unthreaded bore. The locking screw has a head to bear on the first closing lug, a screw-threaded shank, to be screwed into the tapped bore, and a neck disposed between and recessed from the head and the shank. The neck is surrounded by a plastic ring, which protrudes from the shank and frictionally engages the unthreaded through bore. The shank has an unthreaded portion adjoining the plastic ring.

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