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JPS5923791A |
PURPOSE: To freely move and fix a mast by arranging a step guide rail provide with a number of teeth, in the longitudinal direction both before and behind a sailing board and also arranging teeth operation levers that are pressed by a sp...
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JPS593037Y2 |
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JPS598579A |
PURPOSE: To simplify the mast supporting structure and to ease assembling or disassembling of a catamaran, in which a pair of float body are detachably connected together by beams, by installing a mast holder as one body to a member that...
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JPS598581A |
PURPOSE: To ease transportation or storage and to improve the sailing performance in which a pair of float body are connected together by beams, by forming each float body with a bag body capable of being folded and by providing each flo...
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JPS598578A |
PURPOSE: To ease transportation or storage of each body and to increase the bending stiffeness of the float body by forming each float body connected by beams with each other by using a bag body whose form is maintained by air filled the...
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JPS596588U |
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JPS598580A |
PURPOSE: To ease transportation or storage and to improve maneuverability of a catamaran in which a pair of float body are connected together by beams, by forming each float body with a bag body capable of being folded and by attaching a...
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JPS598582A |
PURPOSE: To ease transportation or storage of a catamaran in which a pair of float body are connected together by beams and to improve the sailing performance thereof by forming each float body with a bag body capable of being folded and...
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JPS596189A |
PURPOSE: To easily remove beams at disassembly from floats molded with each bag body, which holds a shape by filling air, by mounting the beam to holding members on the float through a recessed and protrusive fitting part to surely perfo...
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JPS596190A |
PURPOSE: To firmly assemble a catamaran and form the catamaran to a compact size in its storage when the catamaran is not used, by connecting floats constituted with a bag body, which holds a shape by filling air, through front and rear ...
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JPS595490U |
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JPS596188A |
PURPOSE: To fold a catamaran not in its use to be transported and stored, by connecting a pair of floats, which are constituted by filling air in a bag body and holding its shape, with front and rear beams, connecting the beams to each o...
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JPS591029Y2 |
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JPS591695U |
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JPS58221785A |
PURPOSE: To improve appearance and strength of a dinghy and easily mount and remove its mast, by stopping the bottom end of a plastic cylindrical mast sleeve to a ship bottom plate and connecting the mast sleeve to a hole for fitting dec...
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JPS58221787A |
PURPOSE: To improve a ship comfortable to ride in, by supporting an upper structure onto a main ship body through shock absorbers, by which shaking motion of the upper structure is detected and this detection signal can control the struc...
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JPS58221788A |
PURPOSE: To horizontally maintain an upper structure without receiving the rolling and pitching motion of a main ship body, by both supporting the upper structure through a shock absorber onto the main ship body and providing a movable w...
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JPS58221789A |
PURPOSE: To improve a ship comfortable to ride in at high speed sailing time, by supporting an upper structure through a shock absorber onto a main ship body while providing a gyroscope to the upper structure and horizontally maintaining...
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JPS58211995A |
PURPOSE: To hold the wing with comfortable attitude, by coupling the both end sections of an auxiliary keel to both end sections of the keel. CONSTITUTION: The person riding on a board 11 will hold the wing 1 to receive the wind to sail ...
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JPS58211996A |
PURPOSE: To continue sailing easily even under weak wind by forming a section to be engaged angle variably with the engaging section of wing on the board. CONSTITUTION: Under weak wind, the lifting force is reduced accordingly to make th...
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JPS5852874B2 |
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JPS58185388A |
The mast arrangement consists in anchoring the masts (5, 6) along the starboard and port rails (1, 2), with a spacing proportional to the size of the sails and of the boat. It consists in positioning and anchoring the masts on the port a...
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JPS5846959Y2 |
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JPS58180390A |
PURPOSE: To enhance the thrust efficiency of a ship, by forming the whole living area in an airfoil shape and by making the rear living area rotatable in association with the direction of a wind. CONSTITUTION: A living area in a ship is ...
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JPS58157891U |
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JPS5847394B2 |
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JPS5847395B2 |
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JPS58149281U |
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JPS58149280U |
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JPS5844080Y2 |
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JPS58147890U |
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JPS58145281U |
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JPS58164492A |
PURPOSE: To reduce resistance due to wind at the time of steaming, by a method wherein a resistance-reducing bodies each of has such a shape as to become smaller in the direction of spacing away from a superstructure of a ship's hull are...
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JPS58143784U |
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JPS58143785U |
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JPS58142196U |
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JPS58119491U |
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JPS5835597Y2 |
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JPS58126277A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS58108995U |
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JPS58100889U |
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JPS5886793U |
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JPS5886794U |
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JPS5826879Y2 |
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JPS5893692A |
PURPOSE: To move, fit an detach a mast step through a one action manual operation, by a method wherein a mast step provided with a universal joint at its top part is provided with a liftable shaft, and a rotary engaging part provided at ...
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JPS5893696A |
PURPOSE: To contrive to stabilize the attitude of a ship, by a method wherein the horizontal force component of a wind against a sail is obtained from detected values of wind velocity and wind direction, and a mast is tilted to the windw...
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JPS5888211A |
The present invention relates to a device for keeping one or more windsurfing board masts vertically or obliquely upright, comprising at their lower part an articulation, at least one part of which has a diameter less than that of the ma...
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JPS5881884A |
PURPOSE: To move further fix a mast to an optional position, by providing with a mast bottom part to a step guide rail having plural teeth on the top surface of a sailing board main unit, through a detachable mast step and a lock device....
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JPS5864600U |
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JPS5864598U |
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