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:
May. 20, 1997
Filed:
May. 15, 1996
Mathias Herbach, Pfinztal, DE;
G.M. Pfaff Aktiengesellschaft, Kaiserslautern, DE;
Abstract
A device is provided for detachably fastening an embroidery frame, slidingly arranged on a support surface, to a drive member of a feed mechanism of a sewing or embroidery machine. The device includes a coupling device acting in a positive-locking manner and nonpositively acting locking device. Two coupling pins, which are located at mutually spaced locations from one another in the horizontal direction and carry a head each, are fastened to the said embroidery frame. A holding element is fastened to the drive member and contains two elongated holes, which extend in parallel to the said support surface of the machine and whose height corresponds to the diameter of the said coupling pins. A free space is provided in the area of the elongated holes for the heads of the said coupling pins. The elongated holes are offset in relation to one another in the parallel direction at right angles to their longitudinal extension and have a hole each for the entry and withdrawal of the said coupling pins, which take place at right angles to the longitudinal axis of the pin. A spring element is provided including a handle. The spring element can be moved to and fro between two end positions. The spring element snaps into a depression provided on the embroidery frame when the said embroidery frame is inserted with the said coupling pins into the said elongated holes.