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:
Jul. 20, 2021
Filed:
May. 05, 2016
Shanghai Hongyan Returnable Transit Packagings Co., Ltd, Shanghai, CN;
Yuanli Jian, Shanghai, CN;
SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO., LTD, Shanghai, CN;
Abstract
A foldable container, comprising a base and two pairs of side plates, and the side plates are connected to the base via a hinge structure. A plurality of protruding portions are disposed below the side plates, and a polarity of grooves matching the protruding portions are disposed on the base. The hinge structure is disposed in at least one of the protruding portions and at least one of grooves. At least one of the protruding portions is further provided with a continuous curved surface profile, and at least one of the grooves is further provided with at least one matching surface, or at least one of the grooves is provided with a continuous curved surface profile, and at least one of the protruding portions is provided with a matching surface. The matching surface matches the continuous curved surface profile, and when the side plate changes from a folded state to the open state, the continuous curved surface profile remain contacting with the matching surface. The foldable container can address the problems of interference and collision in a process of unordered rotation of hinged side plates.