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 7654376 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 02, 2010

Filed:

Sep. 12, 2006
Applicant:

Jen-chih Liu, Taipei, Kaohsiung City, TW;

Inventor:

Jen-Chih Liu, Taipei, Kaohsiung City, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 11/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A clutch capable of cushioning forward movement and guarding backward movement comprises a first mandrel, a second mandrel, a clutch sleeve, a driving stick, a clutch ring, a cushioning springs and a safety springs. The first mandrel further comprises an engagement gear surface formed on the section close to the second mandrel for the engagement with the clutch sleeve mounted on the second mandrel. The clutch sleeve is driven by the driving stick to shift longitudinally. The clutch ring is slidably mounted on the clutch sleeve, having a cushioning mechanism with the clutch sleeve. The safety springs and the cushioning springs are included in the cushioning mechanism for slowing down the engagement between the clutch ring and the engagement gear surface on the first mandrel when the driving stick drives the clutch sleeve but they are not precisely aligned.


Find Patent Forward Citations

Liu, Jen-Chih. (2010). Clutch capable of cushioning forward movement and guarding backward movement (U.S. Patent No. 7654376). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7654376

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

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