Patents Represented by Attorney, Agent or Law Firm Davis & Bujold, P.L.
  • Continuously variable toroidal transmission
    Patent number: 6375594
    Abstract: The toroidal transmission has a input shaft (1) and at least one input disc (4, 6) and at least one output disc (5, 7) with wheels disposed therebetween. Supports (16, 17) for the wheels (18, 19) are mounted on ends of lower and upper cross yokes, the ends of the upper cross yokes (12, 13) being preferably gradually decreased in spacing to the lower cross yokes (27) and the diameters of upper recesses for lodging upper bearings being larger than those of associated lower recesses.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: April 23, 2002
    Assignee: ZF Friedrichshafen AG
    Inventor: Jürgen Wafzig