logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11325218 B1

PDFFull Text
Date of Patent:
May. 10, 2022

Filed:

Nov. 16, 2018

Worm polishing method and device thereof

Applicant:

Sanshin Co., Ltd., Nagaoka, JP;

Inventors:

Koji Hosokai, Nagaoka, JP;

Takayuki Adachi, Nagaoka, JP;

Assignee:

SANSHIN CO., LTD., Nagaoka, JP;

Attorney:

Bacon & Thomas, PLLC

Primary Examiner:

Eileen P Morgan

Int. Cl.
CPC ...
B23F 1/02 (2006.01); B23F 19/12 (2006.01); B24B 21/02 (2006.01); B24B 21/16 (2006.01); B24B 21/08 (2006.01); B24B 21/12 (2006.01); B24B 21/22 (2006.01); B24B 21/00 (2006.01); B24B 27/00 (2006.01); B24B 41/06 (2012.01); B23F 21/02 (2006.01); B23F 19/00 (2006.01); B24B 21/18 (2006.01);
U.S. Cl.
CPC ...
B24B 21/002 (2013.01); B23F 1/02 (2013.01); B23F 19/12 (2013.01); B24B 21/004 (2013.01); B24B 21/006 (2013.01); B24B 21/02 (2013.01); B24B 21/08 (2013.01); B24B 21/12 (2013.01); B24B 21/16 (2013.01); B24B 21/22 (2013.01); B24B 27/0084 (2013.01); B24B 41/061 (2013.01); B23F 19/00 (2013.01); B23F 21/02 (2013.01); B24B 21/18 (2013.01);
Abstract

Loopback rolls which can transfer and guide a polishing tape (T) along a perimeter of a pressure contact roll (R) is provided, the pressure contact roll having a tapered peripheral edge having a top edge and a pair of slant edge faces formed on a periphery of the pressure contact roll, by which the polishing tape can be bent into a substantially V-shape in cross section, and a switchable pressure contact mechanism is switchably provided which pressure contacts each of bent portions of the polishing tape, which is bent into the substantially V-shape in cross section by the tapered peripheral edge, to one tooth face (B) or the other tooth face of a worm.

Find Patent Forward Citations

Loading…