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:
Nov. 19, 2019
Filed:
Aug. 12, 2016
Qingdao Goertek Technology Co., Ltd., Qingdao, CN;
Mingjun Tang, Qingdao, CN;
QINGDAO GOERTEK TECHNOLOGY CO., LTD., Qingdao, CN;
Abstract
A pull-out type cord winding module, comprising a rotary wheel () which a cord () is wound on and which is connected with a coil spring (), and a stopper mechanism working cooperatively with the rotary wheel () and including a functional rail, a ball () and a rolling assisting device. The functional rail comprises a locking rail, a communicating rail () and annular rails () which are connected, groove-shaped and arranged around an outer circumference of the rotary wheel (). A guide groove () is provided on the rolling assisting device, and two ends of the guide groove () are located at the upper and lower sides of the outer circumference of the rotary wheel () respectively. The guide groove () cooperates with the functional rail to hold the ball (). When the rotary wheel () rotates, the ball () rolls in the functional rail to lock or unlock rotation of the rotary wheel ().