Title:
SAFETY DEVICE OF MOTOR-DRIVEN EXPANSION GATE
Document Type and Number:
Japanese Patent JP2873544
Kind Code:
B2
Abstract:
PURPOSE: To greatly enlarge a detectable range by providing an obstacle- detecting sensor on a muntin provided at the moving end of a door, and enabling the detector to detect an obstacle if the obstacle touches the muntin at the outermost moving end and to provide a desirable design by preventing the detecting member from projecting so that no clearance forms between each gatepost and a door main body.
CONSTITUTION: A four-way frame constructed of four muntins 5 is formed at the advancing end of a door 1, and a drive 3 is connected and fixed to the front and rear muntins directed in the retreating direction, and is provided with a switch for stopping drive. Between a connecting member provided below the space between the front and rear muntins 5 directed in the advancing direction and the switch, an operating member 10 which, when an obstacle abuts to the end of the door, presses the switch with the connecting member 8 therebelow approaching the muntins 5 directed in the retreating direction, is provided.
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Inventors:
MOTOKAWA TOORU
KITAGAWA AKIHITO
KITAGAWA AKIHITO
Application Number:
JP27994294A
Publication Date:
March 24, 1999
Filing Date:
October 18, 1994
Export Citation:
Assignee:
SANKYO ARUMINIUMU KOGYO KK
TOKO SHATSUTAA KK
TOKO SHATSUTAA KK
International Classes:
E06B11/02; E05F15/48; E05F15/603; E05F15/75; (IPC1-7): E06B11/02; E05F15/10
Attorney, Agent or Firm:
Tatsuya Shimoda