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. 08, 2011
Filed:
Nov. 26, 2008
IL Soo Kim, Seoul, KR;
Sang Chul Park, Suwon, KR;
Jeong Heon Kam Song, Yongin, KR;
Han Ho Hwang, Yongin, KR;
Woo Jin Cha, Yongin, KR;
Kwang Soo Nam, Yongin, KR;
Young Kwang Kim, Yongin, KR;
Il Soo Kim, Seoul, KR;
Sang Chul Park, Suwon, KR;
Jeong Heon Kam Song, Yongin, KR;
Han Ho Hwang, Yongin, KR;
Woo Jin Cha, Yongin, KR;
Kwang Soo Nam, Yongin, KR;
Young Kwang Kim, Yongin, KR;
Abstract
A clutch actuator is configured to change operational force applied to a clutch in cases that a worm wheel is rotated by a motor. The clutch actuator may include a motor provided with a rotatable worm shaft, a screw thread formed along an exterior circumference of the worm shaft, a worm wheel provided with a worm gear engaging the screw thread, and a cam recess, an operation rod mounted to the worm wheel, the operation rod configured to engage or release a clutch, and a rotatable operation unit disposed within the cam recess, and configured to apply elastic force to the worm wheel. Methods of using the clutch actuator are also described.