Patents by Inventor Walter Land

Walter Land has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Machine for slotting the heads of bolts having hexagonal heads
    Patent number: 4306324
    Abstract: A machine for slotting hexagonal heads of bolts at right angles to oppositely located edges of the heads. The machine includes a rotatable driven conveying wheel having radially arranged grooves for receiving the shafts of bolts therewith; an alignment device, for aligning the edges of the bolt heads in a predetermined position relative to the conveying plane; a clamping device, for clamping the shafts of the bolts relative to the grooves of the conveying wheel over a predetermined conveying or clamping region of the bolts; a cutting device arranged relative to the clamping region of the bolts for cutting a slot into the heads of the bolts during transport thereof through the clamping region; and a device for removing burrs resulting on the bolt heads during cutting of the slots.
    Type: Grant
    Filed: December 14, 1979
    Date of Patent: December 22, 1981
    Inventors: Walter Land, Friedhelm Gierth, Horst von Kurten