Enlarged Head In Complementary Recess, E.g., Dovetail, Etc. Patents (Class 403/381)
  • Patent number: 3945544
    Abstract: A bicycle toolbox attachment including a split sleeve which is secured to the bicycle frame and which includes adaptors providing slotted bores into which split pins cantelevered from the toolbox are insertable. The pins include an oversized cap on one end and a lip projecting from the split end, the cap and lip engaging the distal surfaces of the adaptors when the pins are inserted therein.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: March 23, 1976
    Inventors: Charles W. Walker, Larry K. Larson
  • Patent number: 3937317
    Abstract: Components for wear-resistant surfacing helical metal conveyor blades have segments of wear-resistant material of like shape conforming to the helix curvature for mounting in side-by-side relation on a face of the blade. The segments have at least one slot which extends through their inner end and diagonally across the segment toward its outer end. A bar is provided for insertion in each groove with its end projecting from the inner end of the groove, the projecting bar ends being welded to the blade face to prevent movement of the segments relative to the blade.
    Type: Grant
    Filed: January 2, 1975
    Date of Patent: February 10, 1976
    Assignee: Bird Machine Company, Inc.
    Inventor: Leo W. Fleury, Jr.