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. 02, 2001
Filed:
Nov. 22, 1999
Yves Millet, Moulins, FR;
Michel Lissandre, Yzeure, FR;
Potain (Societe Anonyme), Ecully, FR;
Abstract
The device provides dismantlable assembly between the top of the upper element of the mast of a tower crane and the fixed pivot which serves to support and to orientate the rotating upper part of the crane comprising the jib. Fishplates are fixed at the four corners of the pivot, of square horizontal section, in the direction of the diagonal, the fishplates lying within the permissible size for transporting this pivot. Other fishplates are fixed to the four corners of the top of the mast element, on the inside of the uprights of this element. The fishplates have holes which come into alignment, and through which removable connecting pins are fitted.