Title:
DOOR CHAIN OPERATING ALSO AS VENTILATOR
Document Type and Number:
Japanese Patent JP11141213
Kind Code:
A
Abstract:
To operate a door chain as a ventilator in addition to its inherent function.
A movable connection bar 2 with restrictions is provided in a prop 1a and a prop 1b.
Inventors:
Ono, Heisuke
Ono, Masaya
Ono, Masaya
Application Number:
JP1997000340474
Publication Date:
May 25, 1999
Filing Date:
November 06, 1997
Export Citation:
Assignee:
ONO HEISUKE
International Classes:
E05C17/06; E05C17/00; (IPC1-7): E05C17/06
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