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:
Mar. 15, 1983
Filed:
Sep. 22, 1980
Applicant:
Inventor:
Herbert Birkhofer, Brunswick, DE;
Assignee:
Firma Schaeffer-Homberg GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A41H / ;
U.S. Cl.
CPC ...
227 32 ; 227 35 ; 227153 ;
Abstract
A machine for the attachment of buttons provided with shanks to articles provided with buttonholes, having a lower tool which holds a button upper part and moves relative to the lower tool towards the latter. A device is disposed in front of the upper tool for widening the buttonhole to approximately the clear width of the shank to be seated through the buttonhole onto the underlying layer of material.