Invention Grant
US07934886B2 Rolling apparatus with three undercarriages having smoothing rollers 有权
具有三个底盘的滚动装置具有平滑辊

  • Patent Title: Rolling apparatus with three undercarriages having smoothing rollers
  • Patent Title (中): 具有三个底盘的滚动装置具有平滑辊
  • Application No.: US12223766
    Application Date: 2007-02-08
  • Publication No.: US07934886B2
    Publication Date: 2011-05-03
  • Inventor: Raymond Jeffrey Dufty
  • Applicant: Raymond Jeffrey Dufty
  • Applicant Address: AU Ernest, Queensland
  • Assignee: Tru Turf Pty Ltd
  • Current Assignee: Tru Turf Pty Ltd
  • Current Assignee Address: AU Ernest, Queensland
  • Agency: Dilworth & Barrese, LLP.
  • Priority: AU2006900602 20060208; AU2006900660 20060210
  • International Application: PCT/AU2007/000133 WO 20070208
  • International Announcement: WO2007/090239 WO 20070816
  • Main IPC: E01C19/26
  • IPC: E01C19/26
Rolling apparatus with three undercarriages having smoothing rollers
Abstract:
Rolling apparatus for rolling of turf or grass surfaces is provided which includes a mobile main frame (11) and at least three undercarriages (61, 62, 63) attached to the main frame (11). Each undercarriage has one or more smoothing rollers (64) in the form of idler rollers; there is further provided a control frame for each of the undercarriages (61, 62, 63) pivotally mounted to each undercarriage with one (63) of the at least three undercarriages located rearwardly or forwardly of the other two (61, 62) undercarriages in a direction of travel of the rolling apparatus. In the direction of travel, each undercarriage is located adjacent to each other presenting substantially no gaps in a front view between adjoining undercarriages or smoothing rollers attached to the undercarriages.
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