Title:
INSPECTION HOLE WITH SAFETY GANGWAY
Document Type and Number:
Japanese Patent JP2004197513
Kind Code:
A
Abstract:
To secure the safety of a person who enters and goes out of an inspection hole of a suspended ceiling, with respect to, for example, the inspection hole equipped with a safety gangway.
The inspection hole 1 for entering/leaving an attic is provided with the safety gangway which is formed of a ladder 3, an opening 5, and a winding means 8. The ladder 3 is wound up by a rotatable ladder drum 2 which is arranged in the attic. The opening 5 is formed in the ceiling for lowering the ladder from the attic into a room 4. The winding means 8 is arranged across the ladder drum and a winding drum 6 arranged in the room for rotating the ladder drum. The winding means 8 is formed of a rope 7 having a tied end.
Inventors:
ITAGAKI GORO
KISHIDA YOSHIAKI
TAKADA TOSHIYUKI
OMACHI MITSUHARU
TAKEUCHI MASASHI
KISHIDA YOSHIAKI
TAKADA TOSHIYUKI
OMACHI MITSUHARU
TAKEUCHI MASASHI
Application Number:
JP2002369919A
Publication Date:
July 15, 2004
Filing Date:
December 20, 2002
Export Citation:
Assignee:
TODA CONSTRUCTION
International Classes:
E06C9/14; E04F19/08; (IPC1-7): E06C9/14; E04F19/08
Attorney, Agent or Firm:
Isao Sasaki
Kyoko Kawamura
Kyoko Kawamura