Title:
ATTACHMENT FOR LADDER
Document Type and Number:
Japanese Patent JP2592048
Kind Code:
B2
Abstract:
PURPOSE: To mount a normal ladder for a worker to lift up and down and move between steel frames simply and accurately to the steel frames in a construction field of a steel framed building so that the worker can safely lift up and down and move.
CONSTITUTION: A normal ladder 10 providing horizontally foot-holding battens 12 between mounting 11 is constituted of an upper ladder attachment 1A and a lower ladder attachment 1B fixed vertically to I-shape steel frames 15A and 15B. The upper and lower ladder attachments 1A and 1B are provided with U-shaped hooks 2 holding and hooking the muntins 11 or foot-holding battens 12 on the front ends of bar-shaped mounting sections 3. Hooklike front interlocking claws 4 and rear interlocking claws 5 engaged with both edges of flange sections 16 of the steel frames 15A and 15B are provided to the intermediate sections of the mounting sections 3. In addition, the rear interlocking claws 5 are provided to the mounting sections 3 in a slidable manner and, at the same time, clamping nut-like interlocking claw clamping sections 7 fastening and fixing the rear interlocking claws 5 to the flange sections 16 are provided.
Inventors:
YAMANAKA MITSUO
Application Number:
JP22586094A
Publication Date:
March 19, 1997
Filing Date:
August 26, 1994
Export Citation:
Assignee:
IINO KOGYO KK
International Classes:
E06C1/34; E04D15/00; E06C7/50; (IPC1-7): E06C1/34; E04D15/00; E06C7/50
Attorney, Agent or Firm:
Ken Oka