JPH0752320Y2 - Non-slip device for stepladder - Google Patents
Non-slip device for stepladderInfo
- Publication number
- JPH0752320Y2 JPH0752320Y2 JP1991092092U JP9209291U JPH0752320Y2 JP H0752320 Y2 JPH0752320 Y2 JP H0752320Y2 JP 1991092092 U JP1991092092 U JP 1991092092U JP 9209291 U JP9209291 U JP 9209291U JP H0752320 Y2 JPH0752320 Y2 JP H0752320Y2
- Authority
- JP
- Japan
- Prior art keywords
- stepladder
- column
- rib
- fitted
- peripheral wall
- 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
Landscapes
- Ladders (AREA)
Description
【考案の詳細な説明】[Detailed description of the device]
【０００１】[0001]
【産業上の利用分野】本考案は、脚立の滑止装置に関す
る。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-slip device for a stepladder.
It
【０００２】[0002]
【従来の技術】従来、脚立にあっては、図３、図４に示
すように、脚立ａの断面コ字状の形鋼よりなる支柱ｂの
下端に、硬質ゴムや合成樹脂などの弾力性の端具ｃを嵌
着して、リベットｄなどにより取り付けていた。2. Description of the Related Art Conventionally, in a stepladder, as shown in FIGS. 3 and 4 , the lower end of a pillar b made of a sectioned U-shaped section steel of a stepladder a has elasticity such as hard rubber or synthetic resin. The end tool c was fitted and attached with rivets d and the like.
【０００３】[0003]
【考案が解決しようとする課題】脚立は組み立てた状態
で地面に接した状態で移動したり、運搬その他の取り扱
い中に端具に外力が加わるため、上記構成の端具ｃは支
柱ｂに対して移動し、この移動によるこじれによってリ
ベットｄより端具ｃが外れたり、リベットｄが破損した
りして支柱ｂより端具ｃが外れる課題があった。Since the stepladder is moved in a state where it is in contact with the ground in the assembled state, or an external force is applied to the end piece during transportation or other handling, the end piece c having the above-mentioned structure is attached to the support b. There is a problem that the end tool c is disengaged from the rivet d due to the twisting due to this movement, or the rivet d is damaged, and the end tool c is disengaged from the support b.
【０００４】そこで、本考案は、上記課題を解決するた
めに、端具に外力が加わっても支柱に対して移動するこ
となくリベットより端具が外れたり、リベットが破損し
たりして支柱より端具が外れることがない脚立の滑り止
め用端具を提供することを目的とする。Therefore, in order to solve the above-mentioned problems, the present invention solves the above problem by removing the end piece from the rivet without damaging the rivet even if an external force is applied to the end piece, or the rivet is damaged. An object of the present invention is to provide a non-slip step for a stepladder in which the end does not come off.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本考案は次の手段を講じた。即ち、本考案の特徴と
するところは、断面コ字状の形鋼よりなる脚立の支柱
と、該支柱の下端に嵌着される脚立の滑り止め用端具と
からなる脚立の滑止装置において、前記支柱の断面形状
はコ字状とされ、該コ字状の両端部の内側にリブ部が突
設され、前記端具は前記支柱の外周に嵌合する周壁部を
有し、該周壁部の内部は空洞とされ、かつ、前記周壁部
には、前記リブ部を圧入嵌合するリブ用溝が形成されて
いる点にある。 また、本考案においては、前記リブ用溝
が形成されている周壁部に、肉厚を薄くすべく凹所を形
成するのが好ましい。 In order to achieve the above object, the present invention takes the following means. That is, the features of the present invention
The place to do is a stepladder column made of steel with a U-shaped cross section
And a non-slip end device for a stepladder fitted to the lower end of the column
In a non-slip device of a stepladder, the cross-sectional shape of the pillar
Has a U-shape, and ribs project inside the both ends of the U-shape.
Is installed, the end piece has a peripheral wall portion that fits on the outer periphery of the column.
The peripheral wall portion has a hollow inside, and the peripheral wall portion has
Is formed with a rib groove for press-fitting the rib portion.
There is a point. Also, in the present invention, the rib groove is formed.
A recess is formed in the peripheral wall where the
Preferably, it is formed.
【０００６】[0006]
【作用】本考案によれば、支柱の下端に嵌着する端具の
内側に、支柱のコ字状部の両端部より対向内側に突設し
た一対のリブ部と嵌合する一対のリブ用溝を形成して、
このリブ用溝と上記リブ部とを圧入嵌合したので、端具
に外力が加わっても支柱に対して移動することなく、リ
ベットより端具が外れたり、リベットが破損したりして
支柱より端具が外れることがない。According to the present invention, for a pair of ribs fitted inside the end fitting fitted to the lower end of the column, a pair of ribs projecting inward from both ends of the U-shaped part of the column Forming a groove,
Since the rib groove and the rib portion are press-fitted to each other, even if an external force is applied to the end tool, the end tool is disengaged from the rivet or the rivet is damaged without moving with respect to the support pillar. The end pieces will not come off.
【０００７】[0007]
【実施例】以下、本考案の実施例を示す図面にもとづい
て説明する。図１，図２において、符号1 は断面コ字状
形鋼（みぞ形鋼）よりなる脚立の支柱で、この支柱1 は
コ字状の両端部2,2 より相対向する内側に一対のリブ部
3,3を突設し、かつ四隅外側には突出部4 …を形成し、
さらに下端部にリベットなどの取付孔5 を形成してい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 is a stepladder strut made of U-shaped section steel (groove-shaped steel), and the strut 1 is a pair of ribs on the inner sides facing each other from the U-shaped end portions 2, 2. Department
3 and 3 are projected, and projections 4 are formed on the outside of the four corners,
Further, a mounting hole 5 such as a rivet is formed at the lower end.
【０００８】11は硬質ゴム、合成樹脂などの弾力性を有
する端具で、この端具11には上記支柱1 の外周に嵌合す
る周壁部12を形成し、また支柱1 のリブ部3,3 と対応位
置にリブ用溝13,13 を形成し、かつ支柱1 の四隅の外側
突出部4 …と対応位置に凹所14…を形成し、さらに支柱
1 の取付孔5 と対応位置に同径の取付孔15を形成してい
る。Reference numeral 11 denotes an elastic end member such as hard rubber or synthetic resin. A peripheral wall portion 12 fitted to the outer circumference of the support column 1 is formed on the end device 11, and a rib portion 3 of the support column 1 is formed. 3. Grooves for ribs 13 and 13 are formed at positions corresponding to 3 and outer protrusions 4 at four corners of the column 1 and recesses 14 at corresponding positions are formed.
A mounting hole 15 having the same diameter is formed at a position corresponding to the mounting hole 5 of 1.
【０００９】しかも、端具11の底部16下面は滑り止め用
の凹凸面17に形成され、また端具11の一側面には縦方向
の突条18が形成され、かつ端具11の上記リブ用溝13,13
間は縦方向の凹所19に形成され、さらに上記底部16には
下方に通じる通孔20が設けられており、しかも上部より
下部が全体的に広幅のテーパー状に形成され、製造時に
金型より離脱容易になされている。Moreover, the bottom surface of the bottom 16 of the end tool 11 is formed with an uneven surface 17 for preventing slippage, and a longitudinal ridge 18 is formed on one side surface of the end tool 11, and the rib of the end tool 11 is formed. Groove 13,13
The space is formed in a vertical recess 19, and the bottom 16 is provided with a through hole 20 that communicates downward, and moreover, the lower part from the upper part is formed in a wide taper shape as a whole, and the mold is manufactured at the time of manufacturing. It is easier to leave.
【００１０】上記構成によれば、支柱1 の下端に嵌着す
る端具11の内側に、支柱1 のコ字状部の両端部2,2 より
対向内側に突設した一対のリブ部3,3 と嵌合する一対の
リブ用溝13,13 を形成して、このリブ用溝13,13 と上記
リブ部3,3 とを圧入嵌合したので、端具11に外力が加わ
っても支柱1 に対して移動することなく、リベットより
端具11が外れたり、リベットが破損したりして支柱1 よ
り端具11が外れることがない。According to the above structure, a pair of rib portions 3 projecting inwardly from both ends 2,2 of the U-shaped portion of the strut 1 are provided inside the end fitting 11 fitted to the lower end of the strut 1. Since a pair of rib grooves 13 and 13 that fit with 3 are formed and the rib grooves 13 and 13 and the rib portions 3 and 3 are press-fitted to each other, even if an external force is applied to the end tool 11, the strut Without moving with respect to 1, the end tool 11 will not come off the rivet or the rivet will break and the end tool 11 will not come off from the column 1.
【００１１】[0011]
【００１２】[0012]
【考案の効果】本考案によれば、支柱の下端に嵌着する
端具の内側に、支柱のコ字状部の両端部より対向内側に
突設した一対のリブ部と嵌合する一対のリブ用溝を形成
して、このリブ用溝と上記リブ部とを圧入嵌合したの
で、端具に外力が加わっても支柱に対して移動すること
なく、リベットより端具が外れたり、リベットが破損し
たりして支柱より端具が外れることがない。According to the present invention, a pair of ribs projecting inwardly from both ends of the U-shaped portion of the column are fitted inside the end fitting fitted to the lower end of the column. Since the rib groove is formed and the rib groove and the rib portion are press-fitted, the rib does not move with respect to the strut even if external force is applied to the end tool, and the end tool comes off the rivet or the rivet The end pieces will not come off from the column due to damage.
【図１】本考案の実施例を示す一部横断平面図である。FIG. 1 is a partial cross-sectional plan view showing an embodiment of the present invention.
【図２】図１の縦断正面図である。2 is a vertical front view of FIG. 1. FIG.
【図３】脚立の正面図である。 FIG. 3 is a front view of a stepladder.
【図４】従来例を示す一部横断平面図である。 FIG. 4 is a partial cross-sectional plan view showing a conventional example.
1 支柱 2 端部 3 リブ部 11 端具 13 リブ用溝 1 Support 2 End 3 Rib 11 End tool 13 Groove for rib
Claims (2)
(1) と、該支柱(1) の下端に嵌着される脚立の滑り止め
用端具(11)とからなる脚立の滑止装置において、 前記支柱(1) の断面形状はコ字状とされ、該コ字状の両
端部の内側にリブ部(3) が突設され、 前記端具(11)は前記支柱の外周に嵌合する周壁部(12)を
有し、該周壁部(12)の内部は空洞とされ、かつ、前記周
壁部(12)には、前記リブ部(3) を圧入嵌合するリブ用溝
(13)が形成されていることを特徴とする脚立の滑止装
置。 1. A stepladder column made of a steel section having a U-shaped cross section.
(1) and a non-slip stepladder fitted to the lower end of the column (1)
In the anti-skid device of a stepladder comprising the end tool (11), the column (1) has a U-shaped cross section, and the U-shaped
A rib portion (3) is provided so as to project inside the end portion, and the end fitting (11) has a peripheral wall portion (12) fitted to the outer periphery of the column.
And the inside of the peripheral wall portion (12) is hollow, and
A rib groove for press-fitting the rib portion (3) into the wall portion (12).
(13) is formed on the non-slip device of a stepladder.
Place
部(12)には、肉厚を薄くすべく凹所(19)が形成されてい
ることを特徴とする請求項１記載の脚立の滑止装置。 2. A peripheral wall in which the rib groove (13) is formed.
The portion (12) has a recess (19) formed to reduce the wall thickness.
The anti-skid device of a stepladder according to claim 1, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991092092U JPH0752320Y2 (en) | 1991-11-11 | 1991-11-11 | Non-slip device for stepladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991092092U JPH0752320Y2 (en) | 1991-11-11 | 1991-11-11 | Non-slip device for stepladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0542600U JPH0542600U (en) | 1993-06-08 |
| JPH0752320Y2 true JPH0752320Y2 (en) | 1995-11-29 |
Family
ID=14044806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991092092U Expired - Fee Related JPH0752320Y2 (en) | 1991-11-11 | 1991-11-11 | Non-slip device for stepladder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0752320Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248203Y2 (en) * | 1973-08-30 | 1977-11-01 |
-
1991
- 1991-11-11 JP JP1991092092U patent/JPH0752320Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542600U (en) | 1993-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |