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.

Date of Patent:
Jun. 08, 2010

Filed:

Mar. 02, 2007
Applicants:

Wing Yiu NG, Hong Kong, CN;

Hung Yu Cheng, Hong Kong, CN;

Inventors:

Wing Yiu Ng, Hong Kong, CN;

Hung Yu Cheng, Hong Kong, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B42F 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A ring mechanism for retaining loose leaf pages has a housing and hinge plates supported by the housing for pivoting motion relative to the housing. Ring members are mounted on the hinge plates and are moveable between a closed position and an open position. An actuator is mounted on the housing for movement relative to the housing for causing pivoting motion of the hinge plates. A locking element releasably locks the closed ring members in a locked position and releases the closed ring members to move to the open position in an unlocked position. An intermediate connector operably connects the locking element to the actuator. The intermediate connector is deformable during movement of the actuator.


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Ng, Wing. (2010). Ring binder mechanism (U.S. Patent No. 7731441). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7731441

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