Variable speed drive transmission

• US 3,237,468 A
• Filed: 05/13/1960
• Issued: 03/01/1966
• Est. Priority Date: 05/13/1960
• Status: Expired due to Term

• Current Assignee: Henry Schottler
• Original Assignee: Henry Schottler
• Inventors: HENRY SCHOTTLER
• Application Number:
  US04/029,035
• Time in Patent Office: 2,118 Days
• US Class Current: 476/9
• CPC Class Codes: F16H 15/40 in which two members co-operative by means of balls, or rollers of uniform effective diameter, not mounted on shafts
• CPC Class Codes: F16H 15/44 in which two members of non-uniform effective diameter directly co-operate with one another

Claims

1. IN A VARIABLE SPEED DRIVE TRANSMISSION INCLUDING A DRIVE SHAFT AND A DRIVE SHAFT, CHANGE SPEED MECHANISM DRIVINGLY INTERCONNECTING SAID SHAFTS COMPRISING A PAIR OF INNER RACES COUPLED FOR ROTATING WITH OND OF SAID SHAFTS AND ADAPTED FOR RELATIVE AXIAL SHIFTING, A PAIR OF OUTER RACES COUPLED FOR ROTATING WITH THE OTHER OF SAID SHAFTS AND ADAPTED FOR RELATIVE AXIAL SHIFTING, SAID INNER AND OUTER RACES HAVING RESPECTIVE RACEWAY SURFACES DEFINING AN ANNULAR GROOVE THEREBETWEEN, A PLURALITH OF TRANSMISSION BALLS DISPOSED IN SAID GROOVE FOR ROLLING MOVEMENT IN CONTACT WITH SAID SURFACES OF SAID PAIRS OF RACES, REACTION MEANS OPERATIVELY ASSOCIATD WITH SAID TRANSMISSION BALLS, FIRST FLUID PRESSURE MEANS FOR URGING SAID OUTER RACES TOWARE ONE ANOTHER TO URGE SAID TRANSMISSION BALLS RADIALLY INWARDLY, AND SECOND FLUID PRESSURE MEANS FOR URGING SAID INNER RACES TOWARD ONE ANOTHER TO URGE SAID TRANSMISSION BALLS RADIALLY OUTWARDLY.