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:
Nov. 14, 1989
Filed:
Apr. 16, 1987
Applicant:
Inventor:
Gerard Sevelinge, Montceau Les Mines, FR;
Assignee:
Framatome, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
81 56 ; 81125 ;
Abstract
The automatic positioning device for screwing and unscrewing a nut (9) on a screwing element (4) formed, for example, by a pin or a threaded rod comprises an externally threaded bush (24) for transferring the nut (9) and an arrangement for the axial centering and angular wedging of the bush (24) relative to the screwing element (4), to generate a continuous helical slope between the external threads (26) of the bush (24) and the threads (8) of the screwing element (4).
Sevelinge, Gerard. (1989). Positioning device for screwing and unscrewing a nut (U.S. Patent No. 4879927). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4879927
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile