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:
May. 13, 2014
Filed:
May. 16, 2012
Chen-chuan Wu, Hsin Chuang, TW;
Chen-Chuan Wu, Hsin Chuang, TW;
Other;
Abstract
A retractable pulling rod utilizing an elastic extension device, comprising: a pulling rod set, a plug set, and elastic extension device. The pulling rod set is provided with a first socket, a second socket, and a third socket, sleeved onto each other through their ends of small diameters, and each is provided with at least a positioning hole. A first plug and a second plug are disposed respectively at bottom ends of first socket and second socket, to dispose a protrusion tenon of elastic extension device in an indentation slot inside second socket. Through using elastic extension device to assist steel beads of first plug and second plug to position in or detach from positioning hole, retractable pulling rod is extended or retracted smoothly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile