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. 28, 2026
Filed:
Feb. 23, 2022
Xuzhou Heavy Machinery Co., Ltd., Xuzhou, CN;
XUZHOU HEAVY MACHINERY CO., LTD., Xuzhou, CN;
Abstract
Disclosed are an auxiliary boom, a crane, a method for unfolding an auxiliary boom and a method for retracting an auxiliary boom. The auxiliary boom comprises an auxiliary boom body and a jackscrew mechanism. The auxiliary boom body comprises a connecting frame. The jackscrew mechanism comprises a first shaft, a second shaft and a driving mechanism; the first shaft and the second shaft are both arranged between the first connecting hole and the second connecting hole; the driving mechanism is in driving connection with the first shaft and the second shaft When the first shaft is in a protruded state, the first shaft is inserted into the first connecting hole; when the second shaft is in the protruded state, the second shaft is inserted into the second connecting hole.