Patents Assigned to Bicycle Partnership #1
  • Shift mechanism for bicycle
    Patent number: 5205794
    Abstract: A shift mechanism for a bicycle and the like wherein a chain is shifted from sprocket to sprocket by an operator controlling a lever to position a camming surface to direct a guide pawl to tilt a segment of one sprocket whereby the tilted segment aligns with a nontilted sprocket during chain shifting.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: April 27, 1993
    Assignee: Bicycle Partnership #1
    Inventor: Bruce W. Browning
  • Two speed sprocket shift assembly
    Patent number: 4580997
    Abstract: A two speed sprocket and chain shift assembly with one sprocket having a small pivoted sprocket segment and means for shifting the chain from one sprocket to another upon pivoting of the sprocket segment and with the chain being entrained on one sprocket when an operating means is activated and entrained on the other sprocket when the operating means is released.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: April 8, 1986
    Assignee: Bicycle Partnership #1
    Inventors: Bruce W. Browning, Christopher M. Browning