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:
Oct. 22, 2024
Filed:
Jul. 03, 2020
University of Seoul Industry Cooperation Foundation, Seoul, KR;
Abstract
Provided is a breakaway-prevent trolley system for a flexible retractable structure, including a plate that supports a cable, and a trolley that is movable on the cable and folds or unfolds a flexible film. The trolley includes: a slider movable along the cable; a flexible film coupling member provided under the slider and coupled to the flexible film; an elastic module (E) provided inside the slider. The elastic module includes: an elastic block including a spring therein and moving under an elastic force of the spring by a predetermined distance in a vertical direction; and an upper support plate that supports the elastic block from above, a side support-plate that supports the elastic block from a side, and a lower support plate that supports the elastic block from below, and a lower surface of the elastic block vertically movable while in contact with an upper surface of the plate.