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. 29, 2016
Filed:
Dec. 09, 2011
Katsuya Iida, Shinagawa-ku, JP;
Soshi Miyahara, Shinagawa-ku, JP;
Hideo Saito, Shinagawa-ku, JP;
Toshiaki Kadono, Shinagawa-ku, JP;
Masahiko Yoshino, Shinagawa-ku, JP;
Tsutomu Togashi, Shinagawa-ku, JP;
Eri Kameda, Shinagawa-ku, JP;
Futoshi Nakamura, Shinagawa-ku, JP;
Katsuya Iida, Shinagawa-ku, JP;
Soshi Miyahara, Shinagawa-ku, JP;
Hideo Saito, Shinagawa-ku, JP;
Toshiaki Kadono, Shinagawa-ku, JP;
Masahiko Yoshino, Shinagawa-ku, JP;
Tsutomu Togashi, Shinagawa-ku, JP;
Eri Kameda, Shinagawa-ku, JP;
Futoshi Nakamura, Shinagawa-ku, JP;
THK CO., LTD., Tokyo, JP;
Abstract
A ball screw device or linear motion guide device has a seal member preventing dust and dirt from entering into a movable member of a linear motion guide device and seals out fine dust, dirt or like by surely contacting a seal to a shaft member without providing a large margin to the seal. The seal member includes a body portion mounted to the movable member and a lip portion contacting an outer portion of the shaft member, the lip portion has an oblique surface having an axial section inclining with respect to its axial direction, the body portion has an urging member urging the lip portion in a diameter direction of the shaft member and a reinforcing portion reinforcing the body portion. The urging member is located on the reinforcing portion side than the tip end of the lip portion in the axial sectional shape of the lip portion.