Polishing tool comprising a drive plate and a removable pad...

Details Polishing tool comprising a drive plate and a removable pad... Polishing tool comprising a drive plate and a removable pad...

2005-09-01

2011-10-04

Morgan, Eileen P. (Department: 3723)

Abrading

Frame or mount

Rotary tool supporter

C451S259000, C451S290000, C451S508000

Reexamination Certificate

active

08029341

ABSTRACT:
A polishing tool (1) for finishing an ophthalmic lens includes a drive plate (4) which is equipped with elements (2) for mounting same to the spindle of a polishing machine; a removable polishing pad (5) designed to be rotated by the drive plate (4); positioning elements to block the radial movement of the pad (5) in relation to the plate (4) as well as to enable the pad (5) to slide axially in relation the plate (4); retaining elements which limit the axial sliding movement of the pad (5) in relation to the plate (4) to a pre-determined sliding range; and elements for stopping the rotational movement, having at least one tooth which can be engaged in a slot having a corresponding shape, one of the elements being provided on the plate (4) and the other on the pad (5).

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