Patents by Inventor Melvern W. Fletcher

Melvern W. Fletcher 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).

  • Transmission shaft carrying at least two gears
    Patent number: 5272929
    Abstract: A gear shaft assembly (42) is provided including a shaft (5) having a first set of gear teeth (6) formed integrally in a second portion (51) thereof and extensions of said teeth extend axially over an adjacent reduced diameter second portion (50) for receivably mounting a second gear (7) for rotation with the shaft.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: December 28, 1993
    Assignee: Eaton Corporation
    Inventors: Melvern W. Fletcher, Trevor Pitchford, David G. Cooper
  • Manual control for extended range splitter type compound transmission
    Patent number: 5062313
    Abstract: A control for an extended range splitter type compound transmission (10) comprising a main transmission section (12) connected in series with a splitter type auxiliary transmission section (14) connected in series with an extended range section (15) is provided. The main section shift lever (72) has a first (1) and a second (1E) position for selection of low ratio (50). Selection of the second position (1E) will automatically cause the extended range section clutch (206) to be shifted to the speed reduction position thereof.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: November 5, 1991
    Assignee: Eaton Corporation
    Inventor: Melvern W. Fletcher
  • Extended range splitter type compound transmission
    Patent number: 4876924
    Abstract: An extended range splitter type compound transmission (10) comprising a main transmission section (12) connected in series with a splitter type auxiliary transmission section (14) connected in series with an extended range section (15) is provided. The extended range section includes a sleeve shaft (200) fixed for rotation with the auxiliary section output gear (112) and coaxial and independently rotatable relative to the mainshaft (28) and the output shaft (74). A range section output shaft gear (202) is constantly meshed with a range section countershaft gear (204) fixed for rotation with the auxiliary section countershaft (78, 80).
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: October 31, 1989
    Assignee: Eaton Corporation
    Inventors: Melvern W. Fletcher, David G. Wylie