TENNIS COURT PREPARATION DEVICE
1 Assignment
0 Petitions
Accused Products
Abstract
A tennis court preparation device for scraping tennis court surfaces, which can be pulled across a tennis court in a direction of travel by a traction vehicle, including at least one frame and at least one support device for supporting the frame on the tennis court surface that is to be prepared. At least one coupling system for coupling to a traction vehicle, and at least two main scraper elements connected to the frame, which are linked to each other in such a way that the gap between the two main scraper elements tapers in the direction opposite to the direction of travel, leaving a space between the two main scraper elements at the rear ends of the main scraper elements as seen looking in the direction of travel, so that the scraped-off tennis court surface material is left in a trail formed by the space.
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Citations
33 Claims
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1-18. -18. (canceled)
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19. A tennis court preparation device for scraping tennis court surfaces, which can be pulled across a tennis court in a direction of travel by a traction vehicle, comprising:
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at least one frame and at least one support device for supporting the frame on the tennis court surface that is to be prepared, wherein at least one coupling device is provided for coupling to a traction vehicle, at least two first scraper elements connected to the frame are provided, which are arranged relative to each other in such a way that the distance between the two first scraper elements tapers in the direction opposite to the direction of travel, a gap is left between the two first scraper elements at the rear ends of the first scraper elements as viewed in the direction of travel, so that the scraped-off tennis court surface material is left in a trail formed by the gap, and in front of the gap as viewed in the direction of travel, a second scraper element is arranged, having a scraping width corresponding to at least the width of the gap. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A tennis court preparation device for collection of scraped-off tennis court surface material, said tennis court preparation device being towable in the direction of travel across a to-be-prepared tennis court by means of a traction vehicle, comprising:
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at least one collection bin which is delimited, laterally and in the rear area when viewed in the direction of travel, by at least one side wall, said at least one side wall being slideable by an edge on the scraped-off tennis court, the collection bin being open in the front area when viewed in the direction of travel, so that scraped-off material arranged in front of the collection bin when viewed in the direction of travel can be collected in the collection bin, at least one coupling element for coupling to a traction vehicle, and at least one bar element connected to the collection bin, said rod element, when viewed in the direction of travel, extending forward beyond the collection bin to at least the coupling device, wherein, with the aid of the bar element, the collection bin is tiltable so that said edge of said at least one side wall in the rear area does not contact the to-be-prepared tennis court anymore. - View Dependent Claims (26, 27, 28)
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29. A tennis court preparation device for preparing a tennis court, which is towable in the direction of travel across a tennis court by means of a traction vehicle, comprising:
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at least one frame, at least one coupling element for coupling to the traction vehicle, at least one support element connected to the frame, at least two rows, arranged orthogonally to the direction of travel, of mutually adjacent knife elements which are connected to the frame and, when in a working position, are operative to pierce into the tennis court, and the piercing depth being settable by adjustment of the height between said at least one support element and the frame.
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30. A coupling device for coupling a tennis court preparation device to a traction vehicle which can be driven across a tennis court to be prepared, comprising:
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a frame element adapted to be fastened to a traction vehicle, a bar element connected to the frame element and extending substantially orthogonally to the tennis court, and an adjustment element connected to the bar element and being adjustable in height along the bar element, said adjustment element comprising a connection device adapted to have a tennis court preparation device coupled to it. - View Dependent Claims (31, 32, 33)
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Specification