Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LADDER
Document Type and Number:
Japanese Patent JP2006264669
Kind Code:
A
Abstract:

To substitute a simple ladder for a traffic facility for inspection of a scaffold or the like required for a hold of an oil tanker and a bulk carrier.

The ladder has a slip-stop end unit 20 provided with an electro-magnet at a lower end of a lower ladder 1 and has a slip-stop unit 21 similarly provided with an electro-magnet at a slightly lower position than an upper end of a strut 2 of an upper ladder 6. The strut 2 of the upper ladder 6 is provided with a roller 22 at a slightly lower position than the upper end. The roller 22 at the upper end of the upper ladder 6 is abutted on a wall surface, an upper end side of the ladder is smoothly raised along the wall surface by rotation of the roller 22 and inclination of the ladder is matched on the wall surface. When the ladder is approximately stood along the wall surface, energization is performed on the electro-magnet of the end units 20, 21 and the ladder is electro-magnetically attracted to the wall surface. In the state, a worker or the like can climb the ladder and inspection work or the like of the wall surface can be performed.


Inventors:
YASUTAKE YOICHI
HIRATA OSAMU
FUMITA KUNIHARU
Application Number:
JP2005000280866
Publication Date:
October 05, 2006
Filing Date:
September 27, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SEAMATE KK
International Classes:
B63B9/00; B63B29/20; E06C7/46
Attorney, Agent or Firm:
吉村 直樹