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.:
Date of Patent:
Mar. 23, 2004
Filed:
Mar. 21, 2003
Applicant:
Inventor:
Vincent Chang, Taichung, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B 2/500 ;
U.S. Cl.
CPC ...
B25B 2/500 ;
Abstract
A rope tension device includes a support base, a drive arm, a movable block, a locking seat, two opposite gears, a push shaft, two rotation shafts, a fixing rod, two first torsion springs, a second torsion spring, a combination bolt, a locking nut, an elastic member, and two insertion pins. Thus, the rope tension device can be operated easily, rapidly and conveniently, thereby facilitating the user operating the rope tension device. In addition, the rope can be released from the first rotation shaft and the second rotation shaft easily and conveniently without needing the manual work to release the rope successively.