Patents Assigned to Yamaha International Corporation
  • Snowmobile ski dampener arrangement
    Patent number: 3982597
    Abstract: A snowmobile ski suspension of the type that utilizes a long leaf spring to support the snowmobile frame on each ski, wherein the shock dampener extends primarily vertically, with the piston of the dampener passing through a hole at the middle of the leaf spring. The cylinder of the shock dampener connects the steering linkage to the middle of the leaf spring, to transmit steering torque.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: September 28, 1976
    Assignee: Yamaha International Corporation
    Inventor: Mel Callaway
  • Bicycle
    Patent number: 3964765
    Abstract: A bicycle with a frame suspended on the wheels by telescoping shock absorbers that permit large vertical movements of the wheels when they hit bumps without producing large vertical movements of the bicycle frame, so that pedaling can continue uninterrupted in traversing rough terrain.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: June 22, 1976
    Assignee: Yamaha International Corporation
    Inventor: Darwin Zenser
  • Bicycle
    Patent number: 3931990
    Abstract: A bicycle is provided having front and rear frames pivotally connected together near the pedal bearings and resiliently coupled by a shock absorber, in which the rear frame has a pair of inclined structural members extending on either side of the seat-supporting tube of the front frame and holding a rear end of the shock absorber at a position directly in front of the seat-supporting tube.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: January 13, 1976
    Assignee: Yamaha International Corporation
    Inventor: Ronald Ralph Knapp