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 7602678 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 13, 2009

Filed:

Sep. 20, 2004
Applicants:

Katsushi Takeo, Mie, JP;

Keiichi Goto, Mie, JP;

Satoru Fukuzawa, Mie, JP;

Inventors:

Katsushi Takeo, Mie, JP;

Keiichi Goto, Mie, JP;

Satoru Fukuzawa, Mie, JP;

Assignee:

NTN Corporation, Osaka, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/09 (2006.01); B29C 45/38 (2006.01); B29C 45/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a lens holder and a lens protector having little burrs and no gate marks formed an a surface thereof confronting an optical disc and a method of manufacturing the lens holder and the lens protector. The lens holder is formed in integration with a boss by injection-molding and has a hole capable of holding an objective lens on a surface of the lens holder confronting an optical disc. The boss having a gate and a contact portion which contacts a ejector pin is formed on a peripheral side surface of the lens holder when the injection molding is performed and cut off from the lens holder after the injection molding finishes.


Find Patent Forward Citations

Quick Actions:

Takeo, Katsushi. (2009). Lens holder and lens protector for use in optical pick-up and method of manufacturing same (U.S. Patent No. 7602678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7602678

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…