Patents Assigned to Firma Schaeffer-Homberg GmbH
  • Patent number: 4376504
    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.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: March 15, 1983
    Assignee: Firma Schaeffer-Homberg GmbH
    Inventor: Herbert Birkhofer
  • Patent number: 4197617
    Abstract: A button or the like to be joined in one-point - fastening having two parts lying on both sides of the carrier material, the two parts to be connected to one another. One of the button parts has a hollow shaft, the pointed front end section of which is off-set with respect to the rearward shaft section by means of nominal breaking positions.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: April 15, 1980
    Assignee: Firma Schaeffer-Homberg GmbH
    Inventor: Horst G. Appelt
  • Patent number: 4017945
    Abstract: A fastener in the form of a release fastener, snap fastener and the like for pockets, cases and the like, also comprising a female part formed with an insert opening. A closing head operatively releaseably lockingly engages in the insert opening, and a male holding part carries the closing head. The closing head is formed with a rearward collar supported on the male holding part, with the closing head extending through a hole in the male holding part, and including a plug-in snap-catch connection between the male holding part and the closing head.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: April 19, 1977
    Assignee: Firma Schaeffer-Homberg GmbH
    Inventors: Raimund Stanik, Horst Gustav Appelt, Walter Ramspott
  • Patent number: 3979802
    Abstract: A snap fastener which comprises a male part, a female part, and the male part has on its top an insertion detent means for holding a decorative cover part.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: September 14, 1976
    Assignee: Firma Schaeffer-Homberg GmbH
    Inventors: Heinz Bertram Bongartz, Gunter Wolfertz, Reimund Stanik, Gottfried Kraft
  • Patent number: 3934777
    Abstract: The invention relates to a machine having a drive for the attachment of fasteners such as rivets and the like. Each of two conventionally and reversibly interchangeable containers have engaging positions coupled to the drive and are provided to store and feed the fasteners separately to an operating position.
    Type: Grant
    Filed: August 15, 1974
    Date of Patent: January 27, 1976
    Assignee: Firma Schaeffer-Homberg GmbH
    Inventors: Friedhelm Kramer, Gunter Wolfertz