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:
Apr. 20, 1982
Filed:
Jun. 11, 1980
Applicant:
Inventor:
Ghislain A Martelee, Liege, BE;
Assignee:
Cockerill, Seraing, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
81 5713 ; 81 5729 ; 81 5739 ; 81 581 ;
Abstract
A hydraulically operated device for applying a force to a component, for example to tighten a component such as a nut comprises a square peg to engage the nut, first hydraulic means in the form of a motor to rotate the square peg rapidly and second hydraulic means in the form of a piston and co-operating arm arrangement to rotate the pegs slowly with a substantial force.
Martelee, Ghislain. (1982). Hydraulic force producing device (U.S. Patent No. 4325274). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4325274
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile