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, 1993
Filed:
Oct. 27, 1989
Applicant:
Inventor:
John H Ferguson, Rocky Hill, CT (US);
Assignee:
Raymond Engineering Inc., Middletown, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
81 5739 ;
Abstract
A fluid operated low profile wrench has a rack and gear drive system to provide an accurate lever arm. The gear is a gear segment which forms part of the output lever of the wrench. The wrench is capable of using a multiplicity of drive heads and/or a multiplicity of reaction elements.