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:
Jun. 20, 1978
Filed:
Dec. 22, 1975
Applicant:
Inventors:
Hiroshi Hashimoto, Aichi, JA;
Kinya Mori, Aichi, JA;
Assignee:
Sanyo Machine Works, Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
29407 ; 29446 ; 2952 / ; 81 5 / ; 81 525 ;
Abstract
A method is provided for fastening bolts and like threaded fasteners wherein the bolt is rotated initially at a high rate of speed until it comes to a point in relation to the bearing surface of the member to be clamped not past the snug point of the bolt head to the bearing surface of a member to be clamped, such as, for example, a plate, whereupon the bolt is thereafter rotated at a low rate of speed of rotation through a predetermined angle until it is stopped at a predetermined tightening completion position.