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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.:

US 12037224 B1

PDFFull Text
Date of Patent:
Jul. 16, 2024

Filed:

May. 30, 2020

Crane extension and installation device to achieve bidirectional tension control and method for achieving bidirectional tension control crane

Applicant:

Dalian University of Technology, Dalian, CN;

Inventors:

Wei Shi, Dalian, CN;

Zhengru Ren, Dalian, CN;

Zhaobo Song, Dalian, CN;

Zhiyu Jiang, Dalian, CN;

Lixian Zhang, Dalian, CN;

Ke Ma, Dalian, CN;

Assignee:

DALIAN UNIVERSITY OF TECHNOLOGY, Dalian, CN;

Attorney:

HAUPTMAN HAM, LLP

Primary Examiner:

Sang K Kim

Assistant Examiner:

Nathaniel L Adams

Int. Cl.
CPC ...
B66C 13/10 (2006.01); B66C 23/60 (2006.01);
U.S. Cl.
CPC ...
B66C 13/105 (2013.01); B66C 23/60 (2013.01);
Abstract

A crane extension and installation device includes an extension device, a winch, a pulley and a cable. A main arm includes a vertical slide rail, the main arm is inclined relative to vertical, and three second pulleys at different heights of the slide rail are installed in the vertical direction of the slide rail, and the second pulley can slide vertically along the slide rail and can be fixed at a certain position of the slide rail. The extension device includes a number of cantilever beams connected end to end. The front end of the extension device is a cantilever beam, and a fixed pulley is installed on the lower peripheral surface of the extension device. The end face of the cantilever beam is equipped with a vertical lower arm through a joint, and the bottom end of the lower arm has a first pulley fixed by the joint.

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Shi, Wei. (2024). Crane extension and installation device to achieve bidirectional tension control and method for achieving bidirectional tension control crane (U.S. Patent No. 12037224). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12037224

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