Title:
STAIRS
Document Type and Number:
Japanese Patent JP3956769
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide stairs of a truss structure having good appearance and easily changeable in design of a handrail, or changeable with or without the handrail.
SOLUTION: This stairs 1 comprise stringers 3, 3 of a truss structure composed of an upper chord member 9 and a lower chord member 11 mounted in parallel to an oblique up-and-down direction and a plurality of vertical members 13 and lateral members 15 alternately connected between the upper and lower chord members, and a plurality of stair treads 5 fixed to the stringers 3, 3. An upper end part of the vertical member 13, a front end part of the lateral member 15 and the upper chord member 9 are fixed by means of common bolt 31 and nut 33, a lower end part of the vertical member 13, a rear end part of the lateral member 15 and the lower chord member 11 are fixed by means of common bolts 35 and nuts 37, head parts 31a, 35a of the bolts or the nuts 33, 37 are positioned at inner parts 27 of the upper chord member 9 and the lower chord member 11, and the others are positioned between a base material 23 and a tread 25.
More Like This:
| JPS63147055 | UPSTAIRS STRUCTURE |
Inventors:
Takashi Yamazaki
Application Number:
JP2002142492A
Publication Date:
August 08, 2007
Filing Date:
May 17, 2002
Export Citation:
Assignee:
Sankyo Tateyama Aluminum Co., Ltd.
International Classes:
E04F11/02; E04G27/00; (IPC1-7): E04F11/02; E04G27/00
Domestic Patent References:
| JP5093448A | ||||
| JP62155141U | ||||
| JP41024616Y1 | ||||
| JP11022181A |
Attorney, Agent or Firm:
Soichiro Sano