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    AUTOMATIC DOOR CLOSING HINGE AND DOUBLE SWING DOOR STRUCTURE
    1.
    发明专利
    AUTOMATIC DOOR CLOSING HINGE AND DOUBLE SWING DOOR STRUCTURE 未知

    公开(公告)号：HK1145409A1

    公开(公告)日：2011-04-15

    申请号：HK10111788

    申请日：2010-12-16

    Applicant: SAWA CORP ,  TAKASHI YAMAGUCHI ,  SAWA TAKASHI

    Inventor： SAWA TAKASHI

    IPC: E05D20060101 ,  E05F20060101 ,  F16C20060101

    Abstract: An automatic door closing hinge configured to absorb a shock by an air damper which can be installed on a double swing door opening inward and outward and a double swing door structure provided with the automatic door closing hinge are provided. An automatic door closing hinge 1 is configured in such a manner that balls 43 are engaged with a cam groove 35 formed on an outer peripheral surface of an operating rod in a cylinder 2 at opposed positions so as to have a substantially V-shape continuing in a circular shape at opposed positions thereof, the balls 43 are engaged with a compression ring 4 urged downward by a restraining force of a compression coil spring 5, the movement of the balls 43 with respect to the cam groove 35 is in conjunction with the vertical movement of the compression ring 4, balls 65 are engaged with a cam groove 36 being formed under the cam groove 35 and having substantially the same shape as the cam groove 35 at opposed positions thereof, the balls 65 are engaged with the piston 6, the movement of the balls 65 with respect to the cam groove 36 is in conjunction with the vertical movement of the piston 6, and air on the lower side of the piston 6 in the cylinder 2 is gradually flowed out according to the downward movement of the piston 6.

    HINGE FOR AUTOMATICALLY CLOSING DOOR WHICH OPENS IN BOTH DIRECTIONS AND STRUCTURE FOR DOOR WHICH OPENING IN BOTH DIRECTIONS
    3.
    发明专利
    HINGE FOR AUTOMATICALLY CLOSING DOOR WHICH OPENS IN BOTH DIRECTIONS AND STRUCTURE FOR DOOR WHICH OPENING IN BOTH DIRECTIONS 未知

    公开(公告)号：HK1148799A1

    公开(公告)日：2011-09-16

    申请号：HK11102993

    申请日：2011-03-24

    Applicant: SAWA CORP

    Inventor： SAWA TAKASHI

    IPC: E05F20060101 ,  E05D20060101

    Abstract: A hinge for automatically-closing a door which opens in both directions with a shock absorbing function, which allows installation on a door which opens in both directions and is opened inward and outward, including a cylinder 2; an operating rod 3 attached to one end of the cylinder 2 so as to be rotatable and restricted from moving in the longitudinal direction; two substantially V-shaped grooves 33 provided on an outer periphery of the operating rod 3 in the cylinder 2 so as to oppose to each other; two spheres 55 provided so as to engage the substantially V-shaped grooves 33 and disposed so as to oppose to each other; an upper piston 5 engaged with the spheres 55 and moved in the cylinder 2 in the longitudinal direction in conjunction with the movement of the spheres 55 with respect to the substantially V-shaped groove 33; a compression coil spring 4 disposed between the upper piston 5 and an upper end portion of the cylinder 2 and configured to urge the upper piston 5 to the other end side of the cylinder 2; and a fluid pressure shock absorbing mechanism configured to absorb a shock caused by the movement of the upper piston 5 to the other end side with a liquid pressure.

    AUTOMATIC DOOR CLOSING HINGE AND DOUBLE SWING DOOR STRUCTURE
    4.
    发明公开
    AUTOMATIC DOOR CLOSING HINGE AND DOUBLE SWING DOOR STRUCTURE 有权
    合页用于自动锁门，双拉门结构

    公开(公告)号：EP2233672A4

    公开(公告)日：2013-07-24

    申请号：EP07849985

    申请日：2007-11-27

    Applicant: SAWA CORP ,  YAMAGUCHI TAKASHI ,  SAWA TAKASHI

    Inventor： SAWA TAKASHI

    IPC: E05F1/12 ,  E05D3/08 ,  E05D7/086 ,  E05F1/06 ,  E05F3/02 ,  E05F3/20 ,  F16C11/04

    CPC classification number: E05F3/02 ,  E05D15/54 ,  E05F1/1223 ,  E05F3/20 ,  E05Y2201/638 ,  E05Y2201/696 ,  E05Y2900/132 ,  Y10T16/2771 ,  Y10T16/283 ,  Y10T16/304 ,  Y10T16/5393 ,  Y10T16/53984

    Abstract: An automatic door closing hinge configured to absorb a shock by an air damper which can be installed on a double swing door opening inward and outward and a double swing door structure provided with the automatic door closing hinge are provided. An automatic door closing hinge 1 is configured in such a manner that balls 43 are engaged with a cam groove 35 formed on an outer peripheral surface of an operating rod in a cylinder 2 at opposed positions so as to have a substantially V-shape continuing in a circular shape at opposed positions thereof, the balls 43 are engaged with a compression ring 4 urged downward by a restraining force of a compression coil spring 5, the movement of the balls 43 with respect to the cam groove 35 is in conjunction with the vertical movement of the compression ring 4, balls 65 are engaged with a cam groove 36 being formed under the cam groove 35 and having substantially the same shape as the cam groove 35 at opposed positions thereof, the balls 65 are engaged with the piston 6, the movement of the balls 65 with respect to the cam groove 36 is in conjunction with the vertical movement of the piston 6, and air on the lower side of the piston 6 in the cylinder 2 is gradually flowed out according to the downward movement of the piston 6.

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