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    • 4. 发明专利
    • ROLL LAYING SYSTEM OF ARTIFICIAL LAWM
    • JPH07119288A
    • 1995-05-09
    • JP26506993
    • 1993-10-22
    • KAJIMA CORP
    • SAGARA YUICHIYANASE HIDEHO
    • E04F15/16B65H19/10E01C13/00E01C13/08
    • PURPOSE:To facilitate the restoration of creases and slippage afterlaying by forming an artificial lawn made up of embedding a magnet into a backing material and a floor embedded with an electromagnet respectively, and laying their rolls down in a state that the electromagnet in the floor is energized with current and the lawn is thereby repulsed. CONSTITUTION:A platelike magnet is embedded in the whole surface of a backing material 3 of an artificial lawn 1, and each of electromagnets 5 is uniformly embedded in the whole surface of a floor 6 as well. Next, each pulling cloth 13 is attached to the edge of the artificial lawn 1 stored in a storage pit 10, and this pulling cloth 13 is pulled by a winch 12 via a wire 11 and thus the artificial lawn 1 is laid down on the floor 6. When the floor side of these electromagnets 5 are energized in a direction where it comes to homopolarity with the magnet at the backside of the artificial lawn 1, a roll of the artificial lawn 1 is laid down in a state of being little floated from the floor 6. Accordingly, these electromagnets are energized in reverse, whereby any slippage and turnover in the artificial lawn are preventable from occurring.
    • 7. 发明专利
    • ROLL LAYING SYSTEM OF ARTIFICIAL LAWN
    • JPH07119287A
    • 1995-05-09
    • JP26506893
    • 1993-10-22
    • KAJIMA CORP
    • SAGARA YUICHIYANASE HIDEHO
    • E04F15/16B65H19/10B65H75/40E01C13/00E01C13/08
    • PURPOSE:To shorten a span of working hours by holding plural spots in the longitudinal direction of an artificial lawn roll by an artificial lawn roll holder, and shifting this artificial lawn roll holder in the roll laying direction of an artificial lawn. CONSTITUTION:When an artificial lawn is wound up, one end of an existing artificial lawn 12 is fixed to a winding roller 9A, while a frame body 2B of an artificial lawn roll holder 1 is made to go up to the full by two hydraulic jacks 5 and 6, and this holder 1, whose space between a lifting frame body 3A and a longitudinal moving frame body 3B is sufficiently widened, is traveled by a traveling truck 11, the frame body 2B is lowered, and an interval between the frame body 3A and the frame body 3B is narrowed as specified, whereby the roller 9A is locked so as to embrace it with four driving rollers 4A, 4B, 4C and 4D. These driving rollers 4A to 4D are rotated, rolling an artificial lawn roll 8A in an arrow direction and the winding of the artificial lawn 12 is started. In succession, the holder 1 is shifted by way of pushing it from the side of a vertical column 2A. Size of a diameter of the roll 8A is sensed by an ultrasonic sensor 3C, and thereby the longitudinal moving frame body 3B is moved in order, then the upper stage driving rollers 4A and 4C are made to go up successively and intervals among these four driving rollers 4A to 4D is followed after size of the diameter of the roll 8A and thus the artificial lawn is wound up.
    • 9. 发明专利
    • TRACTOR FOR TEST RUN FOR ROLLER COASTER
    • JPH09248385A
    • 1997-09-22
    • JP5716096
    • 1996-03-14
    • KAJIMA CORP
    • YANASE HIDEHOTAMURA KEIJI
    • A63G21/04B61B13/08
    • PROBLEM TO BE SOLVED: To unnecessitate the arrangement of persons and to improve safety by providing a tractor with permanent magnets and caterpillars to be turned corresponding to a rail form, traveling the tractor in close contact state onto the rail, keeping its position at the time of stop and enabling the radio control of the tractor. SOLUTION: A tractor 1 is provided with caterpillars 5, to which permanent magnets 6 are fitted, traveled in close contact state onto rails 3 by the permanent magnets 6 and keeps its position at the time of stop. Besides, the caterpillars 5 turn turning stands 7 through turning parts 8 to a wagon 4 so as to be turned corresponding to the form of the rails 3 and to be smoothly traveled along the rails 3. Then, a battery 9 is mounted on the tractor 1 or a vehicle 2. while using the battery 9 as a motive force source, a motor 10 with brake is driven and the tractor is traveled by driving the caterpillars 5 through a decelerator 11 with differential mechanism, decelerator 13 on the side of turning stand 7 and belt 14. This driving is controlled by radio control.