Patents by Inventor Wallace G. Stevens

Wallace G. Stevens 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: 4481837
    Abstract: A multiple speed gear transmission (10) of the sliding gear type includes an input shaft (12) disposed on a first axis (14), and a layshaft (16) disposed on a second axis (18) and having a forward gear (26), a reverse gear (28) and first and second drive gears (124,122) connected for joint rotation therewith. A reverse idler gear (54) is connected to the reverse gear (28), and a first sliding gear (82) is used for connecting the input shaft (12) to either the forward gear (26) or the reverse idler gear (54) and driving the layshaft (16) in either direction of rotation. An output shaft (44) disposed on the first axis (14) is selectively connected to one of the first and second drive gears (124,122) by second and third sliding gears (102,104) respectively. Five forward and four reverse speeds can be provided by the transmission (10) using four conveniently shiftable coupling elements (82,98,100,128).
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: November 13, 1984
    Assignee: Caterpillar Tractor Co.
    Inventor: Wallace G. Stevens