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Title:
建資材用ドアの自動復帰ヒンジ装置
Document Type and Number:
Japanese Patent JP5518476
Kind Code:
B2
Abstract:
A hinge apparatus includes an upper body, a lower body, a shaft whose lower end portion is rotatably installed in the lower body, a piston whose outer circumference is slidably installed along the inner surface of the lower body, a rotational/linear motion converter which converts a rotational motion of the shaft into an axial linear motion of the piston, a damping unit provides a damping function selectively where the piston ascends according to return of the door, a torsion spring rotates the shaft in the door closing direction, and a clutch unit for stopping the elastic force due to reverse twisting of the spring or for restoring the elastic force of the spring.

Inventors:
チョイ、ソン-ウォ
ホン、チャン・ホ
Application Number:
JP2009523713A
Publication Date:
June 11, 2014
Filing Date:
August 03, 2007
Export Citation:
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Assignee:
I-ONE Innotech Co., Ltd.
International Classes:
E05F3/12; E05D3/02; E05D5/04; E05F1/12
Domestic Patent References:
JP942351A
JP3413356Y1
JP8312237A
JP58132088U
Attorney, Agent or Firm:
蔵田 昌俊
河野 哲
中村 誠
福原 淑弘
峰 隆司
白根 俊郎
村松 貞男
野河 信久
砂川 克
風間 鉄也



 
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