Title:
DOOR CLOSER
Document Type and Number:
Japanese Patent JP2001329743
Kind Code:
A
Abstract:
To provide a door closer capable of easily adjusting the door opening and closing speed.
This door closer is formed of a main shaft 6 fitted to a main body freely to be rotated, a spring 7 for rotating the main shaft 6, and a piston mechanism 8 for controlling the rotating speed of the main shaft. Pitch of a screw of a screw rod 89 for moving a moving material 88 of the piston mechanism 8 is formed at 0.6 mm or less.
Inventors:
IHARA MITSUTAKA
Application Number:
JP2000149171A
Publication Date:
November 30, 2001
Filing Date:
May 22, 2000
Export Citation:
Assignee:
SEKISUI HOUSE KK
International Classes:
E05F3/10; (IPC1-7): E05F3/10
Attorney, Agent or Firm:
Hiroshi Onishi
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