Polishing work holder

Details Polishing work holder Polishing work holder

1990-09-10

1994-03-08

Rachuba, M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51216LP, B24B 4700

Patent

active

052916928

ABSTRACT:
A polishing work holder for supporting a lens to be polished for use in a lens polishing machine is disclosed. The work holder comprises a holder body rotatably supported by a housing and having a recess portion formed on a rotating shaft of one end face thereof and a suction hole opened at the end face, a lens receptacle having a hole communicated with the suction hole to suck and hold a lens at one end surface, a spherical body intervened between the recess portion of the holder body and the lens holder so as to contact the another end face and for carrying the lens receptacle tiltably and movably in the crossing direction to the axis of the holder body, a fitting ring secured to the holder body concentrically and loosely fitted onto an outer periphery face of the lens or an outer periphery face of the lens receptacle so as to limit the tilting of the lens and the moving in the diametrical direction, and a sealing member provided between the holder body and the receptacle at outside of the suction hole.

REFERENCES:
patent: 3886696 (1975-06-01), Bruck
patent: 3978620 (1976-09-01), Feneberg et al.
patent: 4313284 (1982-02-01), Walsh

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