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:
Oct. 21, 2014
Filed:
Mar. 19, 2012
Yu Don Jung, Seoul, KR;
Chang Bok Ko, Gyunngi-do, KR;
Yu Don Jung, Seoul, KR;
Chang Bok Ko, Gyunngi-do, KR;
Mando Corporation, Pyeongtaek-Si, Gyeonggi-Do, KR;
Abstract
Disclosed is a motor driven type electric parking brake system. The parking brake system includes a drum that is rotated along with a wheel, first and second brake shoes installed in the drum to apply brake force to the drum, an operating lever that supports the two brake shoes and pushes the two brake shoes against an inner surface of the drum when a pivoting lever is pulled, a motor to generate drive power to drive the pivoting lever, a cycloid speed reducer connected to a rotating shaft of the motor to amplify the drive power, a spindle member rotatably connected to the speed reducer and having a male screw portion, and a nut member having a female screw portion reciprocally screwed to the male screw portion. The nut member is moved in a longitudinal direction of the spindle member and supports an end of the pivoting lever.