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:
Aug. 30, 2022
Filed:
May. 31, 2016
Hytorc Division Unex Corporation, Mahwah, NJ (US);
Peter Koppenhoefer, Portland, PA (US);
HYTORC Division UNEX Corporation, Mahwah, NJ (US);
Abstract
A low clearance hydraulic torque tool for tightening or loosening fasteners has an apparatus to transfer torque formed within a link drive means between a first and a second side plate. The apparatus includes: a drive plate having piston engagement means at a first end and a machined face gear with radial serrations at a second end; a ratchet drive having a machined face gear with corresponding radial serrations at a first end and a threaded fastener engagement means at a second end; and a wave spring formed between the drive plate and one of the side plates of the torque tool. The side plates of the link drive means are tapered from a first end, adjacent piston engagement means, to a second end, adjacent the threaded fastener engagement means, such that the width of the link drive means at the second end is substantially thinner than the width of the link drive means at the first end.