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:
Jan. 02, 2007
Filed:
Mar. 15, 2004
Michel Lissandre, Ecully, FR;
Michel Lissandre, Ecully, FR;
Potain, Ecully, FR;
Abstract
The invention is concerned with the demountable assembly of latticework jib elements comprising upper and lower chords connected to one another by means of triangulation bars. In the region of the upper chords, there is provided an assembly by shackle, tenon and a connecting shaft, with abutment and relative positioning means. In the region of the lower chords, there are provided centering pegs and a locking assembly consisting of two connections spaced apart and having clamping and locking means. This device is used for assembling the jib elements and counterjib elements of tower cranes, in particular those having a jib without a masthead and without a tie.