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. 30, 2012
Filed:
Dec. 23, 2010
Jeong Hyun Cho, Masan-si, KR;
Dae Hwan Kim, Changwon-si, KR;
IN Sang Lee, Changwon-si, KR;
Joung Sik Park, Changwon-si, KR;
Sung Baek an, Changwon-si, KR;
Seung Man Shin, Ulsan si, KR;
Hwan Bum Kang, Changwon-si, KR;
Jeong Hyun Cho, Masan-si, KR;
Dae Hwan Kim, Changwon-si, KR;
In Sang Lee, Changwon-si, KR;
Joung Sik Park, Changwon-si, KR;
Sung Baek An, Changwon-si, KR;
Seung Man Shin, Ulsan si, KR;
Hwan Bum Kang, Changwon-si, KR;
Hyundai Wia Corporation, , KR;
Abstract
A tripod type constant velocity joint comprises a housing having three track grooves defined at trisected positions of the housing and extending in an axial direction, and a spider having three -trunnions projectedly formed at trisected positions of the spider to be respectively inserted into the track grooves, each trunnion having a generally oval or elliptical cross-sectional shape and including at least one independent contact surface at each of two opposing sides subjecting to a load. Inner rollers each has an inner surface of a concavely curved contour for receiving a corresponding trunnion therein, and an outer roller is mounted to each inner roller with a plurality of needle rollers engaged there-between.