Title:
SELF-CLOSING OPENING/CLOSING UNIT AND DOOR STRUCTURE
Document Type and Number:
Japanese Patent JP2015098738
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a self-closing opening/closing unit capable of self-closing a door of a door board that has been opened manually, with a simple configuration, without fine adjustment, and to provide a door structure including the self-closing opening/closing unit and a door board.SOLUTION: A self-closing opening/closing unit includes a hinge H, a cord body 2, and a guide member 1. The hinge H is attached to one side surface 111 of a door board 110, acting as a rotation support point of the door board 110. Relating to the cord body 2, one end part 2a is hooked on a door frame 140, and the other end part 2c side hangs along the one side surface 111 of the door board 110 from the hinge H. On the other end part 2c side of the cord body 2, a weight 6 is attached which causes a tensile from one end side toward the other end side of the cord body 2. The guide member 1 is placed on an upper surface 113 of the door board 110, for slip-fit with the cord body 2. At the time of closing a door, the weight 6 is positioned at the lower part of the one side surface 111 of the door board 110. At the time of opening a door when the door board is pressed, the weight 6 is positioned at the upper part of the one side surface of the door board 110.
Inventors:
ISHIDA SHOJI
Application Number:
JP2013239820A
Publication Date:
May 28, 2015
Filing Date:
November 20, 2013
Export Citation:
Assignee:
ISHIDA SHOJI
International Classes:
E05F1/02; E06B3/48
Domestic Patent References:
| JP2003336432A | 2003-11-28 | |||
| JPS56140670U | 1981-10-23 | |||
| JP2007332637A | 2007-12-27 |
Foreign References:
| US4665584A | 1987-05-19 |
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Hiroaki Nakatani