Patents Assigned to Tru-Turf Pty Ltd
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Patent number: 9918421Abstract: A spiker roller having (i) a roller assembly having a plurality of roller components each having a peripheral wall and a plurality of apertures in each wall and a centrally located hub or boss surrounding an opening; (ii) a multiplicity of spikes which are each releasably retained within a respective aperture of each roller component; and (iii) a support shaft which is insertable through each of the openings of each roller component wherein in operation each of the roller components rotate independently of each other.Type: GrantFiled: March 18, 2013Date of Patent: March 20, 2018Assignee: TRU-TURF PTY LTD.Inventor: Raymond Jeffrey Dufty
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Patent number: 8499849Abstract: A roller cleaning assembly for a grass processing apparatus, such as a grass or turf roller, has a roller housing releasably mountable in a hollow cavity in the body of a smoothing head, where the smoothing head contains idler or smoothing rollers. A pair of roller brushes is rotatably journalled in the roller housing, and are driven by the idler or smoothing rollers via friction drive rollers. Each brush roller has at least one spiral brush and/or spiral wiper blade to clean the external surfaces of the adjacent idler or smoothing rollers and deposits the clippings or other waste in collector sections in the roller housing.Type: GrantFiled: April 16, 2012Date of Patent: August 6, 2013Assignee: Tru-Turf Pty Ltd.Inventor: Raymond Jeffrey Dufty
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Patent number: 7997826Abstract: A roller assembly adapted to follow ground contours during operation which includes a pair of roller components each having respective inner ends connected to each other by a flexible and movable primary coupling and having their respective outer ends connected to a support shaft which extends through a hollow interior of each roller component by a secondary coupling.Type: GrantFiled: May 1, 2009Date of Patent: August 16, 2011Assignee: Tru-Turf Pty LtdInventor: Raymond Jeffrey Dufty
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Patent number: 7934886Abstract: 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.Type: GrantFiled: February 8, 2007Date of Patent: May 3, 2011Assignee: Tru Turf Pty LtdInventor: Raymond Jeffrey Dufty
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Publication number: 20090238644Abstract: A roller assembly adapted to follow ground contours during operation which includes a pair of roller components each having respective inner ends connected to each other by a flexible and movable primary coupling and having their respective outer ends connected to a support shaft which extends through a hollow interior of each roller component by a secondary coupling.Type: ApplicationFiled: May 1, 2009Publication date: September 24, 2009Applicant: TRU-TURF PTY LTDInventor: Raymond Jeffrey Dufty
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Patent number: 7556466Abstract: A trailer including: (i) a trailer frame supported by ground engaging wheels; (ii) an auxiliary drawbar pivotable from a retracted inoperative position to an extended or towing position located behind the trailer frame; and a (iii) main drawbar capable of being attached to a prime mover. There is also provided a pivot frame pivotally attached to the trailer frame by pivot attachment joints which may extend from an extended leading position for maintenance apparatus to a retracted transportation position.Type: GrantFiled: August 8, 2008Date of Patent: July 7, 2009Assignee: Tru-Turf Pty LtdInventor: Raymond J. Dufty