Title:
LOCK DEVICE OF EXPANSION GATE DOOR
Document Type and Number:
Japanese Patent JP3155496
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To ensure wind pressure resistance by fixing the running rail lower end of an expansion gate door to a running passage.
SOLUTION: In a wheel on a running rail, a sprocket 17 is vertically provided on the center of a connected rotary shaft 5 driven by a motor. Meanwhile, receiving metal fittings 19 of short-sized horizontal chain meshed with the bracket 17 respectively at the closing position and the opening position of the running rail of a running passage, and a lock device 16 on the lower end of the running rail is formed of the sprocket 17 and the receiving metal fittings 19. The lower end of the running rail is locked with the lock device 16 so as to ensure wind pressure resistance of the expansion gate door.
Inventors:
Ide, Shinji
Konakano, Katsuhiko
Konakano, Katsuhiko
Application Number:
JP28129597A
Publication Date:
April 09, 2001
Filing Date:
September 29, 1997
Export Citation:
Assignee:
TOYO EXTERIOR CO LTD
International Classes:
E06B11/06; E05F15/14; (IPC1-7): E06B11/06; E05F15/14
Attorney, Agent or Firm:
田村 公總