Patents Assigned to CBS
  • Patent number: 4386455
    Abstract: A piano action mechanism wherein a shaft pin for rotatably supporting a rotatable member on a flange is carried in bearings formed of bushing cloth glued to the surface of bushing holes in the rotatable member. With a pin inserted through the cylinders of bushing cloth, the assembly is dipped in water, dried, dipped in a solution of resin bonded fluorocarbon solids, again dried and the pin removed, to provide a durable and stable bearing having a low coefficient of friction and which is essentially noise-free and insensitive to changes in temperature and humidity.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: June 7, 1983
    Assignee: CBS
    Inventor: Walter G. Drasche