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. 21, 2025
Filed:
Jan. 25, 2023
Manitowoc Crane Group France, Dardilly, FR;
Yves Alloin, St Germain en Brionnais, FR;
Olivier Gollion, Caluire et Cuire, FR;
Florent Mourin, Chasselay, FR;
Dominique Chambon, Charlieu, FR;
Pascal Crocombette, Escoutoux, FR;
Sylvain Leblan, Bully, FR;
Manitowoc Crane Group France, Dardilly, FR;
Abstract
A screwing/unscrewing tool for screwing/unscrewing a screw or a bolt includes a first part including a lever secured to a screwing/unscrewing bit provided with at least one screwing/unscrewing recess centered on a main axis, a second part including a support arm equipped with a tapped hole and on which the screwing/unscrewing bit is rotatably mounted around the main axis, and an adjustment screw screwed into the tapped hole and having a coupling head configured for a coupling with a screw-gun or a wrench, and extended by a threaded rod having a free end suitable for abutment on the lever in order to apply a pivoting force to it. The screwing/unscrewing tool may be used with a screw or bolt that is difficult to access in a crane mast or crane jib.