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:
May. 30, 2000
Filed:
Oct. 29, 1997
Masaki Tomaru, Shibukawa, JP;
Yuichiro Fukunaga, Yoshioka-machi, JP;
Yasushi Watanabe, Maebashi, JP;
NSK Ltd., Tokyo, JP;
Abstract
A shock absorbing type steering column assembly which is incorporated in the steering apparatus of an automobile, comprises one end portion of an outer column member formed with a female serration at one end thereof and one end portion of an inner column member formed with a male serration at one end thereof being in engagement with each other, one end portion of the outer column member being in pressure-fitting relationship to a center-side portion in the axial direction of the inner column member to form a first fitted portion, while one end portion of the inner column member is in pressure-fitting relationship to a center-side portion in the axial direction of the outer column member to form a second fitted portion, and pressure fitting strength at the first fitted portion being substantially equal to that at the second fitted portion.