Patents by Inventor David John Tickle

David John Tickle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6250411
    Abstract: A motor vehicle power train includes an engine (26) mounted longitudinally in the vehicle adjacent one end, a change speed transmission (28) spaced from and drivably connected to the engine through an input propshaft (31) and a transfer transmission (29) mounted on the change speed transmission and drivably connected to a front differential through a front propshaft (34) and to a rear differential through a rear propshaft (35). The change speed transmission has an input shaft (39) to receive drive at one end from the engine and an output shaft (41) axially offset from the input shaft and having a drive output at the opposite end. The transfer transmission is arranged at the opposite end of the change speed transmission and includes a center differential (56) having differential output shafts (57, 58) drivably connected to the front and rear propshafts and axially offset from the input shaft and the change speed transmission output shaft.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: June 26, 2001
    Assignee: Rover Group Limited
    Inventors: David Charles Nesbitt, David John Tickle, Clive David Woolmer
  • Patent number: 6030312
    Abstract: A motor vehicle power train includes an engine (26) mounted longitudinally near the front of the vehicle and a transmission assembly (35) mounted intermediate front and rear differentials (17, 18). The transmission assembly is connected to the engine through an input propshaft (31), to the front differential through a front propshaft (37) and to the rear differential through a rear propshaft (38). The transmission assembly comprises a change speed transmission (28) which receives drive from the input propshaft and a hollow output shaft (49), a transfer transmission comprising a center differential (30) which is drivably connected to the hollow output shaft, has a front differential output shaft (54) for transmitting drive to the front propshaft and a rear differential output shaft (56) for transmitting drive to the rear propshaft, one of the differential output shafts (54) extending co-axially through the hollow output shaft.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: February 29, 2000
    Assignee: Rover Group Limited
    Inventors: David Charles Nesbitt, David John Tickle, Clive David Woolmer, John Samuel Ebrey