Title:
LADDER DEVICE FOR CEILING
Document Type and Number:
Japanese Patent JP3942755
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To easily and properly adjust an arranging height of a ladder main body by moving an upper end pivot position of a suspending link.
SOLUTION: This ladder device for the ceiling has a ladder main body 4 constituted so as to be housed by being folded up above the ceiling 1, a suspending link 9 having an upper end part for supporting the ladder main body 4 by being pivoted on the upper edge frame 2 and being telescopically constituted in an intermediate part and a stopper 23 for checking the rotational displacement by abutting to the suspending link 9 when using the ladder main body 4, a supending bracket 13 for pivoting an upper end part of the suspending link 9 is arranged in the upper edge frame 2, plural peripheral grooves on which an upper end pivot part (a pivot pin 24) of the suspending link 9 is locked and a vertical groove for guding the pivot part by connecting the respective peripheral grooves are formed in this suspending bracket 13, and the upper end pivot part of the suspending link 9 is selectively locked on one of the peripheral grooves.
Inventors:
Shojiro Yanagi
Tokio Yamamoto
Ueda Ryuichi
Tokio Yamamoto
Ueda Ryuichi
Application Number:
JP35011898A
Publication Date:
July 11, 2007
Filing Date:
December 09, 1998
Export Citation:
Assignee:
F-One Ltd.
Daiken Industry Co., Ltd.
Daiken Industry Co., Ltd.
International Classes:
E06C9/08; E06C9/12; (IPC1-7): E06C9/08; E06C9/12
Domestic Patent References:
| JP62190042U | ||||
| JP9078969A | ||||
| JP58137798U |
Attorney, Agent or Firm:
Etsushi Kotani
Jiro Higuchi
Jiro Higuchi