JP4050683B2 - 足場用階段 - Google Patents
足場用階段 Download PDFInfo
- Publication number
- JP4050683B2 JP4050683B2 JP2003361550A JP2003361550A JP4050683B2 JP 4050683 B2 JP4050683 B2 JP 4050683B2 JP 2003361550 A JP2003361550 A JP 2003361550A JP 2003361550 A JP2003361550 A JP 2003361550A JP 4050683 B2 JP4050683 B2 JP 4050683B2
- Authority
- JP
- Japan
- Prior art keywords
- tread
- shaft
- staircase
- side frame
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Ladders (AREA)
Description
1 側枠
2 踏板
3 踏板本体
4 端部キャップ
5 ボルト
6 ナット(雌ねじ部)
10 踏板脱落防止手段
21 シャフト
22 貫通孔
23 挿通孔
24 バネ
Claims (2)
- 傾斜状に配置される左右両側一対の側枠間に、踏板本体の左右両端部に断面コ字状の端部キャップを嵌合固定してなる踏板を水平に一定間隔おきに横架してなる階段であって、各踏板は、各側枠から挿通したボルトを端部キャップに設けた雌ねじ部に螺合して締め付けることにより側枠に固定されるようになっている足場用階段において、
各踏板には、踏板本体の内部で左右方向移動自在に支持されるシャフトと、このシャフトの端部を各端部キャップの貫通孔から突出させて各側枠の挿通孔に挿通させるように付勢するバネと、からなる踏板脱落防止手段を設けてなることを特徴とする足場用階段。 - 踏板脱落防止手段は、そのシャフトの基端部側を踏板本体に取り付けたシャフト受け台に軸方向摺動自在に支持させると共に、このシャフト受け台とシャフトの先端部側に突設したストッパーピンとの間にバネを介装し、このバネによりストッパーピンを各端部キャップの内側面に押し付けて、端部キャップの貫通孔から突出したシャフトの先端部を各側枠の挿通孔に挿通させるようにしたことを特徴とする請求項1に記載の足場用階段。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003361550A JP4050683B2 (ja) | 2003-10-22 | 2003-10-22 | 足場用階段 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003361550A JP4050683B2 (ja) | 2003-10-22 | 2003-10-22 | 足場用階段 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005126936A JP2005126936A (ja) | 2005-05-19 |
JP4050683B2 true JP4050683B2 (ja) | 2008-02-20 |
Family
ID=34641458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003361550A Expired - Fee Related JP4050683B2 (ja) | 2003-10-22 | 2003-10-22 | 足場用階段 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4050683B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105040966A (zh) * | 2015-06-30 | 2015-11-11 | 中国一冶集团有限公司 | 简易建筑楼梯及其安装方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5164890B2 (ja) * | 2009-03-03 | 2013-03-21 | アルインコ株式会社 | 足場用妻側幅木 |
KR101579961B1 (ko) * | 2014-04-23 | 2016-01-11 | 금강공업(주) | 클램프 유닛 및 이를 이용한 트러스 장치 |
-
2003
- 2003-10-22 JP JP2003361550A patent/JP4050683B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105040966A (zh) * | 2015-06-30 | 2015-11-11 | 中国一冶集团有限公司 | 简易建筑楼梯及其安装方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2005126936A (ja) | 2005-05-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20100252792A1 (en) | Handrail assembly | |
JP4050683B2 (ja) | 足場用階段 | |
US2989141A (en) | Ladder | |
JP5563750B2 (ja) | 取付け具 | |
US20070052197A1 (en) | Tricycle crank structure | |
KR200424942Y1 (ko) | 침대의 프레임체결구조 | |
US5855807A (en) | Concrete form securing device | |
US20110266321A1 (en) | Holding device for bicycles accessories | |
JP4037350B2 (ja) | 足場用階段 | |
KR101252728B1 (ko) | 링크구조로 이루어진 발판을 구비한 사다리 | |
JP4050685B2 (ja) | 足場用階段 | |
JP4050689B2 (ja) | 足場用階段 | |
JP2006097413A (ja) | 戸建住宅用足場の取付構造 | |
JP3109177U (ja) | 手すり用架台 | |
KR20110037475A (ko) | 건축물 시공용 발판 고정구조 | |
KR200437033Y1 (ko) | 케미컬 관체 고정지지장치 | |
JP2010163817A (ja) | 伸縮梯子 | |
JP2018123474A (ja) | 仮設足場用支持部材 | |
JP2838648B2 (ja) | ステップ用具 | |
JPH07279437A (ja) | ハーフPCa梁上への支柱取り付け部材 | |
JP3106072U (ja) | 伸縮式支柱の締付器具 | |
JP2003161035A (ja) | 昇降用ステップ | |
KR200390716Y1 (ko) | 계단 난간용 기둥 | |
JP6297811B2 (ja) | 便器用手すり | |
KR20170008961A (ko) | 핸드레일 난간지주 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050622 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070723 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070725 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070925 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20071107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20071129 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101207 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101207 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111207 Year of fee payment: 4 |
|
LAPS | Cancellation because of no payment of annual fees |