Polishing apparatus

Details Polishing apparatus Polishing apparatus

2007-08-14

2007-08-14

Rachuba, M. (Department: 3723)

Abrading

Machine

Rotary tool

C074S465000

Reexamination Certificate

active

11345406

ABSTRACT:
In polishing apparatus of the present invention, collars can be easily exchange. The polishing apparatus comprises: an outer pin gear having an inner gear section; an inner pin gear having an outer gear section; and a carrier having outer gear teeth, which are engaged with the inner gear section of the outer pin gear and the outer gear section of the inner pin gear so as to rotate and move the carrier around the inner pin gear. At least one of the inner gear section and the outer gear section includes gear teeth, each of which comprises: a pin proper being fixed to a pin ring and extended upward therefrom; a cylindrical collar rotatably covering and fitting the pin proper at a fitting section.

REFERENCES:
patent: 594110 (1897-11-01), Higgins
patent: 860536 (1907-07-01), Ellingham
patent: 1473907 (1923-11-01), Hettrich
patent: 2709321 (1955-05-01), Indge
patent: 2792715 (1957-05-01), Wojtowicz
patent: 4007560 (1977-02-01), Janssen
patent: 4315383 (1982-02-01), Day
patent: 5704248 (1998-01-01), Knotts
patent: 5944591 (1999-08-01), Chen
patent: 9-239657 (1997-09-01), None

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