Patents by Inventor Roger W. Curry

Roger W. Curry 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: 5293729
    Abstract: A mechanism coupling a yoke and cutting unit to a push arm, and having an upright steering pivot mechanism which establishes a relatively large effective steering lever arm for decreasing scuffing of the turf by the rollers of the cutting units, and an inclined pivot mechanism having an axis which is directed generally toward the cutting unit to decrease the effective lever arm between the rollers and the pivot axis and thereby reduce turf scuffing during execution of turns during mowing operations.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: March 15, 1994
    Assignee: Deere & Company
    Inventors: Roger W. Curry, Robert F. Hartwig, Christopher S. Thorman, Frank K. O'Toole
  • Patent number: 4984417
    Abstract: The present invention relates to an edger with a belt braking device, including a belt driving device and a cutter blade, which are arranged at the side of an edger vehicle. A bearing housing portion of the cutter blade is provided for forward and rearward movement, a belt cover for covering the whole driving belt is fixed to the edger vehicle, and a belt braking device is arranged between the front end of the belt cover and the front driven pulley, whereby performing ON-OFF operation of a clutch and engagement/ disengagement of a brake simultaneously is enabled. In this way, the fixed belt cover can be compact and the operation for changing of working conditions can be simplified.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: January 15, 1991
    Assignee: Deere & Company
    Inventors: Stephen A. Braun, Michael J. O'Neill, Roger W. Curry, James R. Titze, Donald E. Niosi, Tetsuzo Fujikawa, Makizo Hirata, Michio Nishimura
  • Patent number: 4962631
    Abstract: The present invention provides an edger wherein a cutter device is arranged on one side of an edger frame, the position of a front wheel is adjustable, the position of one of the rear wheels situated on the other side of the edger frame is also adjustable, and a mechanism for changing the position of the front wheel as well as changing the position of the rear wheel is performed by a single control lever at the operator's station. With this arrangement, the adjustment of the depth of the cutter and the adjustment for maintaining the edger in a horizontal condition when the edger is driven on a curbstone can be easily effected by the operator.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: October 16, 1990
    Assignee: Deere & Company
    Inventors: Stephen A. Braun, Michael J. O'Neill, Roger W. Curry, James R. Titze, Donald E. Niosi, Tetsuzo Fujikawa, Makizo Hirata, Michio Nishimura