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. 19, 2024
Filed:
Jul. 02, 2021
Wonderland Switzerland Ag, Steinhausen, CH;
Jialiang Yuan, Guangdong, CN;
Wonderland Switzerland AG, Steinhausen, CH;
Abstract
The present invention discloses a carrier frame () including a first tubular member (), a second tubular member (), a third tubular member () and a folding unit () including a first rod (), a linkage rod (), a second rod () and a pivot frame () pivoted to the second tubular member (). The first rod () is pivoted to the pivot frame () at a first pivot point and a second pivot point respectively. The linkage rod () is pivoted to the first tubular member () and pivoted to the pivot frame () at a third pivot point. The second rod () is pivoted to the third tubular member () and pivoted to the linkage rod () at a fourth pivot point. The second, third and fourth pivot points are located at the same pivot axis. The carrier frame () can be released and folded synchronously and has advantages that the carrier frame () is easy to fold, has a simple structure, and is convenient to operate.