Title:
SAFETY DEVICE FOR ELEVATOR DOOR
Document Type and Number:
WIPO Patent Application WO/1998/018710
Kind Code:
A1
Abstract:
A safety device for elevator doors comprises an object detecting device (20) provided on at least one of an inner door (9) mounted in a cage and outer doors (8) installed on respective floors to detect an object S being detected, existing in a detection area set at a tip end of the door in non-contact manner and/or contact manner. The door is stopped or reversed when the detecting device (20) detects the object being detected during a door closing operation.
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Inventors:
KATO RYOCHI (JP)
KATO HIDETO (JP)
KATO HIDETO (JP)
Application Number:
PCT/JP1997/003876
Publication Date:
May 07, 1998
Filing Date:
October 24, 1997
Export Citation:
Assignee:
KATO RYOCHI (JP)
KATO HIDETO (JP)
KATO HIDETO (JP)
International Classes:
B66B13/26; (IPC1-7): B66B13/26
Foreign References:
| JPS62501065A | 1987-04-30 | |||
| JPS57502213A | 1982-12-16 | |||
| GB2243217A | 1991-10-23 | |||
| JPS4632166Y1 | 1971-11-08 |
Attorney, Agent or Firm:
Asahi, Kazuo (4th floor 18-9, Nishi-Shinbashi 1-chom, Minato-ku Tokyo 105, JP)
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