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. 04, 2023
Filed:
Apr. 01, 2022
Funai Electric Co., Ltd., Osaka, JP;
FUNAI ELECTRIC CO., LTD., Osaka, JP;
Abstract
The lifting/lowering device () includes: a first plate member (); a second plate member () to which the first plate member () is rotatably connected; a first expansion and contraction bag () which is disposed between the first plate member () and the second plate member () and is capable of expanding and contracting by gas supply and exhaust; a third plate member () to which the second plate member () is rotatably connected; a second expansion and contraction bag which is disposed between the second plate member () and the third plate member () and is capable of expanding and contracting by gas supply and exhaust. The first plate member (), the first expansion and contraction bag (), the second plate member (), the second expansion and contraction bag () and the third plate member () are disposed so as to overlap in a plan view.