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:
Dec. 05, 2023
Filed:
Jul. 31, 2020
Delta Kogyo Co., Ltd., Aki-gun, JP;
Kiyonori Umezaki, Aki-gun, JP;
Etsunori Fujita, Higashihiroshima, JP;
DELTA KOGYO CO., LTD., Aki-gun, JP;
Abstract
Rattling and abnormal sound between an upper rail and a lower rail are reduced, and sliding is more smoothly performed. Sliding resistance reducing members () include retainers () formed each in a substantially L shape in a cross section and including first retaining wall portions () and second retaining wall portions () located between vertical wall portions () and between bottom wall portions () of a lower rail () and an upper rail (). The first ball members () are disposed in middle positions of the first retaining wall portions (), and the second ball members () are disposed in positions apart from the vertical wall portions toward the center in the width direction of the lower rail () in the second retaining wall portions ().