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:
Feb. 06, 1990
Filed:
Mar. 20, 1989
Arthur L Slasinski, Harper Woods, MI (US);
Weldex, Inc., Warren, MI (US);
Abstract
A method and apparatus for forming pierce type or pierceless clinch joints in two sheets of material, such as sheet metal, employs a drive system which eliminates the need for camming mechanisms and periodic adjustment of worn cams. A die and anvil are relatively moveable and are displaced relative to a punch by means of a single drive lever which is driven by the output shaft of a hydraulic or pneumatic cylinder. A slide which drives the die is pivotally connected both to the drive lever and to a second slide which drives the anvil. The anvil slide is pivotally connected to the drive lever. The anvil and die are displaced in synchronism with each other and with the punch to form a clinch joint in a single workstroke of the cylinder motor.