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:
Apr. 21, 2025
Filed:
Nov. 05, 2023
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Yoshitaka Hada, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
To provide an extension/contraction mechanism that can lessen increase stress imposed on belts. An extension/contraction mechanism according to the present disclosure includes a telescopic extension/contraction part, in which the extension/contraction mechanism includes a first drive source connected to a screw shaft in such a way that it can transmit a drive force, a first belt holder that accommodates a second belt in such a way that the second belt can be sent out to the screw shaft or the second belt can be wound-up from the screw shaft, a second belt holder that accommodates a first belt in such a way that the first belt can be wound-up from the screw shaft, and a first belt holder drive part and a second belt holder drive part. The first and second belt holder drive parts rotate the first and second belt holders independently of the rotation of the screw shaft, respectively.