SPRING HINGE

Japanese Patent JP3778531

B2

PROBLEM TO BE SOLVED: To improve a function of a door by arranging links, an elastic member and a stopper in a rotary member of a hinge in a prescribed condition, and holding them by specifying a turning angle.
SOLUTION: A first member 10 is installed on a main body, a second member 20 is installed on a door, one ends of first and second links 30 and 40 are respectively and pivotally fixed to the members 10 and 20 by round head screws 51 and 61, and fastening projection parts 31 and 41 are arranged on the free end. The links 30 and 40 are superposed on each other, and a coil spring 70 is installed between the projections 31 and 41. When a hinge is put in a second condition, the members 10 and 20 are held, for example, at an angle of 210 degrees. When a door is closed, the door rotates while compressing a spring 70, and when the links 30 and 40 go over a catastrophe point, the spring 70 extends, and the members 10 and 20 try to become, for example, a first condition forming an angle of 80 degrees, and the door is pressed to a main body. In the first and the second conditions, the free ends of the links 30 and 40 come into contact with a prescribed stopper member. Therefore, the door can be fixed at a prescribed angle, and a structure can also be made simple and compact.

Kotaro Nakano
Kenji Takahashi
Nagashima Minoru

JP6570397A

May 24, 2006

March 19, 1997

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Taniko Co., Ltd.
Tochigiya Co., Ltd.

E05D11/10; E05F1/14; (IPC1-7): E05F1/14; E05D11/10

JP55129964U
JP61120137A
JP3002628U

Minoru Nakamura
Fumiaki Otsuka
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo

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