Axis Substantially Longitudinal Patents (Class 172/527)
  • Publication number: 20090114407
    Abstract: A sectored disc assembly, removable disc sector, and method of replacing a disc sector are disclosed for use with a soil opener that uses a disc assembly to open the soil prior to injection of a fertilizer or seed into the ground. The sectored disc assembly includes a rotatable hub and a plurality of disc sectors cooperatively forming a substantially continuous disc around the hub. Connectors, such as bolts, secure each of the disc sectors to the hub. The disc sector includes a body with radially inner and outer margins and side margins that are configured for continuous abutment with adjacent side margins of other disc sectors. The method of replacing a disc sector includes removing the connector securing the disc sector to the hub, moving the disc sector radially outwardly away from the hub, placing a replacement disc sector into contact with the hub, and inserting the connector.
    Type: Application
    Filed: November 7, 2007
    Publication date: May 7, 2009
    Inventor: Guy J. Swanson
  • Patent number: 5337833
    Abstract: A machine for ironing golf greens employs two large-diameter rollers on opposite sides. Both rollers are hydrostatically driven, and they pivot in opposite directions for steering of the machine; one of them also oscillates.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: August 16, 1994
    Inventor: Salvatore J. Rizzo
  • Patent number: 4359101
    Abstract: This invention relates to an auger and to a plow including such auger. This specification discloses an auger which is suitable for use even in the difficult terrain encountered in typical reforestation operations. An auger in accordance with this disclosure has its axis extending in the direction of movement of the plow and is arranged to rotate in a direction opposing the forward movement of the plow. The auger has a plurality of generally helical turns. Sections of the ground engaging portions around the periphery of the turns have an angle of attack in a plane at a selected angle to the axis of the auger and other sections have angles of attack in planes at a different angle. These ground engaging sections of the periphery are preferably teeth which because of the difference in angles discussed above attack the ground at different cutting angles.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: November 16, 1982
    Inventor: Michel Gagnon