JP2002138782A - Step ladder - Google Patents
Step ladderInfo
- Publication number
- JP2002138782A JP2002138782A JP2000333814A JP2000333814A JP2002138782A JP 2002138782 A JP2002138782 A JP 2002138782A JP 2000333814 A JP2000333814 A JP 2000333814A JP 2000333814 A JP2000333814 A JP 2000333814A JP 2002138782 A JP2002138782 A JP 2002138782A
- Authority
- JP
- Japan
- Prior art keywords
- rear body
- front body
- tread
- locking
- opened
- 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.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/387—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
- E06C1/393—Ladders having platforms foldable with the ladder
Landscapes
- Ladders (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、踏み台に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a step platform.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来か
ら、図７に図示したように前体31及び後体32を上部にお
いて枢着し、前体31には踏み板33が枢着され、この前体
31及び後体32は、開いた際、側方視が三角形状となり、
また、閉じた際、前体31及び後体32はほぼ平行となるよ
うに構成され、また、踏み板33は、前体31と後体32とを
開いた際には後体32に設けた横桟34に連設されて該前体
34と後体32との開きは規制され且つ両者の間に該踏み板
33は水平状態で固定され、両者を閉じた際にはこの踏み
板33は前体31及び後体32とほぼ平行となるように構成さ
れた開閉自在(折り畳み自在)な踏み台（以下、従来例と
いう。）が提案されている。2. Description of the Related Art Conventionally, as shown in FIG. 7, a front body 31 and a rear body 32 are pivotally attached at the upper part, and a tread plate 33 is pivotally attached to the front body 31. Front body
31 and rear body 32, when opened, side view is triangular,
When closed, the front body 31 and the rear body 32 are configured to be substantially parallel, and the tread plate 33 is provided on the rear body 32 when the front body 31 and the rear body 32 are opened. The front body is connected to the pier 34
The opening between the rear body 32 and the rear body 32 is restricted, and the
33 is fixed in a horizontal state, and when both are closed, the step plate 33 is configured to be substantially parallel to the front body 31 and the rear body 32 and is capable of being opened and closed (foldable) (hereinafter referred to as a conventional example). .) Has been proposed.
【０００３】また、従来例は、踏み板33が多段に構成さ
れ、各踏み板33の側部後方側には棒状の連結体38が配設
され、この連結体38と各踏み板33とは枢着されており、
よって、前体31と後体32との擺動によって各踏み板33は
連動して前体31と後体32との間に水平状態となったり、
前体31及び後体32に対して平行状態となったりするよう
に構成されている。尚、符号39は連結体38がスライド動
可能に貫挿されるガイド部材である。Further, in the conventional example, the tread plates 33 are configured in multiple stages, and a rod-shaped connecting member 38 is disposed on the side rear side of each tread plate 33, and the connecting member 38 and each tread plate 33 are pivotally connected. And
Therefore, each step board 33 is interlocked with the front body 31 and the rear body 32 due to the sliding movement of the front body 31 and the rear body 32, or becomes horizontal between the front body 31 and the rear body 32,
The front body 31 and the rear body 32 are configured to be parallel to each other. Reference numeral 39 denotes a guide member through which the connecting body 38 is slidably inserted.
【０００４】ところで、この従来例は、前体31及び後体
32を開いた状態で持ち上げると、その自重により（三角
形状となった前体31と後体32との下部が閉じようとする
ことにより）折り畳まれてしまうことがある為、前体31
及び後体32を開いた状態で移動しようとする際など非常
に煩わしい場合があり、また、踏み板33上で作業を行っ
ている際、万一、前体31若しくは後体32の一方に過度に
荷重がかかり、他方が浮いてしまうと不意に前体31及び
後体32が折り畳まれてしまう可能性がある。[0004] By the way, this conventional example has a front body 31 and a rear body.
If the body 32 is lifted up in an open state, it may be folded by its own weight (by closing the lower parts of the triangular front body 31 and the rear body 32).
And it may be very troublesome to move with the rear body 32 open, and when working on the tread plate 33, if one of the front body 31 or the rear body 32 If a load is applied and the other floats, the front body 31 and the rear body 32 may be unexpectedly folded.
【０００５】また、従来例は、前体31及び後体32を折り
畳んだ際、その構造上、踏み板33が更に閉じ方向（図７
中ａ方向）へ回動してしまい平行状態を維持することが
できない問題点がある。Further, in the conventional example, when the front body 31 and the rear body 32 are folded, the tread plate 33 is further closed in the closing direction (FIG. 7) due to its structure.
There is a problem that it turns to the middle a direction) and cannot maintain the parallel state.
【０００６】本発明は、上述の問題点を解決する画期的
な踏み台を提供するものである。[0006] The present invention provides an epoch-making ladder that solves the above-mentioned problems.
【０００７】[0007]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【０００８】右部１ａ及び左部１ｂを有する前体１並び
に右部２ａ及び左部２ｂを有する後体２を上部において
枢着し、前体１の右部１ａ及び左部１ｂ間には踏み板３
が枢着され、この前体１及び後体２は、開いた際、側方
視が三角形状となり、また、閉じた際、前体１及び後体
２はほぼ平行となるように構成され、また、踏み板３
は、前体１と後体２とを開いた際には後体２の右部２ａ
及び左部２ｂ間に架設された横桟４に連設されて該前体
１と後体２との開きは規制され且つ両者の間に該踏み板
３は水平状態で固定され、両者を閉じた際にはこの踏み
板３は前体１及び後体２とほぼ平行となるように添設さ
れるものであって、前記踏み板３には係止体５が設けら
れ、前体１と後体２とを開いた状態において前記踏み板
３の係止体５と後体２の横桟４とは係止可能に構成され
ていることを特徴とする踏み台に係るものである。A front body 1 having a right part 1a and a left part 1b and a rear body 2 having a right part 2a and a left part 2b are pivotally connected at the upper part, and a tread is provided between the right part 1a and the left part 1b of the front body 1. 3
The front body 1 and the rear body 2 are configured such that when opened, the front body 1 and the rear body 2 become triangular in side view, and when closed, the front body 1 and the rear body 2 are substantially parallel, In addition, step board 3
Is the right part 2a of the rear body 2 when the front body 1 and the rear body 2 are opened.
The front body 1 and the rear body 2 are restricted from opening, and the tread plate 3 is fixed in a horizontal state, and both are closed. In this case, the tread plate 3 is attached so as to be substantially parallel to the front body 1 and the rear body 2, and the tread plate 3 is provided with a locking body 5, and the front body 1 and the rear body 2 are provided. In this state, the locking body 5 of the step board 3 and the horizontal rail 4 of the rear body 2 are configured to be lockable in a state in which the steps are opened.
【０００９】また、請求項１記載の踏み台において、前
記踏み板３は多段に構成され、各踏み板３の側部後方側
には連結体８が配設され、この連結体８と各踏み板３と
は枢着され、少なくとも１つの踏み板３には係止体５が
設けられ、この踏み板３と対応する位置にして後体２に
は横桟４が設けられ、該係止体５はこの横桟４と係止可
能に構成されていることを特徴とする踏み台に係るもの
である。Further, in the step board according to the first aspect, the step plates 3 are configured in multiple stages, and a connecting member 8 is provided on a side rear side of each of the step plates 3. At least one tread plate 3 is provided with a locking body 5, and a horizontal bar 4 is provided on the rear body 2 at a position corresponding to the tread plate 3. And a step that can be locked.
【００１０】また、請求項２記載の踏み台において、前
記係止体５は最上段の踏み板３に設けられていることを
特徴とする踏み台に係るものである。Further, in the stepping machine according to the second aspect, the locking member 5 is provided on the uppermost stepping plate 3.
【００１１】また、請求項１〜３いずれか１項に記載の
踏み台において、前体１と後体２とを閉じた際、踏み板
３が前体１及び後体２の閉じ方向へ回動することを規制
して該踏み板３の前体１及び後体２との平行状態を維持
するストッパー体６が設けられていることを特徴とする
踏み台に係るものである。In the step platform according to any one of claims 1 to 3, when the front body 1 and the rear body 2 are closed, the tread plate 3 rotates in the closing direction of the front body 1 and the rear body 2. The present invention relates to a step platform, which is provided with a stopper body 6 for restricting the situation and keeping the step board 3 parallel to the front body 1 and the rear body 2.
【００１２】また、請求項４記載の踏み台において、前
記ストッパー体６は、前記連結体８に設けられた踏み板
３の裏面に係止する係止部８ａであることを特徴とする
踏み台に係るものである。Further, in the step platform according to the fourth aspect, the stopper body 6 is a locking portion 8a which locks to a back surface of the step plate 3 provided on the connecting body 8. It is.
【００１３】[0013]
【発明の作用及び効果】本発明は、前体１及び後体２を
開いた際、踏み板３に設けた係止体５が後体２の横桟４
に係止して前体１及び後体２の開き状態は保持される。According to the present invention, when the front body 1 and the rear body 2 are opened, the locking body 5 provided on the tread plate 3
And the open state of the front body 1 and the rear body 2 is maintained.
【００１４】よって、本発明によれば、使用時（前体１
及び後体２を開いた状態の際）には前体１及び後体２が
不意に閉じてしまうことはなく、前述した従来例の問題
点は確実に解消し得ることになる。Therefore, according to the present invention, when used (front body 1)
(When the rear body 2 is open), the front body 1 and the rear body 2 do not close unexpectedly, and the above-described problem of the conventional example can be surely solved.
【００１５】以上、本発明は、従来にない極めて商品価
値の高い画期的なものとなる。As described above, the present invention is an epoch-making product having an extremely high commercial value, which has never existed before.
【００１６】[0016]
【発明の実施の態様】図面は本発明の一実施例を図示し
たものであり、以下に説明する。BRIEF DESCRIPTION OF THE DRAWINGS The drawings illustrate one embodiment of the present invention and will be described below.
【００１７】本実施例は、前体１と、この前体１と上部
で枢着される後体２とから成り、側方視が三角形状とな
るフレーム７に踏み板３を上下多段、この場合、２段に
並設したものである。This embodiment comprises a front body 1 and a rear body 2 which is pivotally connected to the front body 1 at the upper part. , Arranged in two stages.
【００１８】以下、本実施例に係る構成各部について詳
細な説明をする。Hereinafter, each component of the present embodiment will be described in detail.
【００１９】前体１は、図１〜３に図示したように適宜
な金属製の平棒材をコ字状に形成したものであり、右部
１ａと、左部１ｂと、この右部１ａと左部１ｂとが連設
する屈曲形状の上部１ｃとで構成されている。As shown in FIGS. 1 to 3, the front body 1 is formed by forming an appropriate metal flat bar into a U-shape, and includes a right portion 1a, a left portion 1b, and a right portion 1a. And a bent upper portion 1c in which the left portion 1b is continuously provided.
【００２０】また、前体１は、その右部１ａと左部１ｂ
との間にして上下２カ所に一対の踏み板３が枢着されて
いる。The front body 1 has a right part 1a and a left part 1b.
A pair of treads 3 are pivotally mounted at two locations above and below.
【００２１】この踏み板３は、適宜な金属製の部材を方
形板状に形成したものであり、その上面には滑り止め部
３ａが形成されている。The step plate 3 is formed by forming a suitable metal member into a rectangular plate shape, and has a non-slip portion 3a formed on the upper surface thereof.
【００２２】また、この各踏み板３は、夫々左右側部後
方側に杆状の連結体８が枢着されており、この連結体８
により上下の踏み板３は連動して前体１との枢着部を支
点に擺動自在となるように構成されている。Each of the treads 3 has a rod-shaped connecting member 8 pivotally attached to the left and right side rear portions thereof.
Thereby, the upper and lower treads 3 are configured to be able to slide freely around the pivotal connection with the front body 1 as a fulcrum.
【００２３】また、連結体８は、その下端部に屈曲部８
ａが形成されており、この屈曲部８ａは、前体１に対し
て踏み板３を起こすとともに、後体２と前体１に対して
閉じることで前体１と後体２を折り畳んだ際、前体１と
ほぼ平行状態となった踏み板３の裏面に当接すること
で、踏み板３が更に閉じ方向（図５中ａ方向）に回動す
ることが防止される（図３，５参照）。この屈曲部８ａ
が請求項で言うストッパー体６である。The connecting member 8 has a bent portion 8 at its lower end.
This bent portion 8a raises the step board 3 with respect to the front body 1 and closes the rear body 2 and the front body 1 so that the front body 1 and the rear body 2 are folded. By contacting the back surface of the tread plate 3 which is substantially parallel to the front body 1, the tread plate 3 is prevented from further rotating in the closing direction (a direction in FIG. 5) (see FIGS. 3 and 5). This bent portion 8a
Is a stopper body 6 referred to in the claims.
【００２４】また、上段の踏み板３の基端側裏面には係
止体５が設けられている。An engaging body 5 is provided on the rear surface on the base end side of the upper step board 3.
【００２５】この係止体５は、図３〜６に図示したよう
に適宜な金属製の板状部材を適度な弾性を具備するよう
に折曲形成したものであり、後述する後体２に設けられ
た横桟４にその先端湾曲部５ａが係止することで、前体
１及び後体２の開き状態を保持し得るように構成されて
いる（図４，６参照）。この係止状態を解除する際に
は、係止体５の先端部を図６中ａ方向に押し下げること
になる。As shown in FIGS. 3 to 6, the locking member 5 is formed by bending an appropriate metal plate-like member so as to have appropriate elasticity. The front curved portion 5a is locked to the provided horizontal rail 4 so that the front body 1 and the rear body 2 can be kept open (see FIGS. 4 and 6). To release this locked state, the distal end of the locking body 5 is pushed down in the direction a in FIG.
【００２６】後体２は、図１〜３に図示したように適宜
な金属製の平棒材で構成され、右部２ａと、左部２ｂ
と、この右部２ａと左部２ｂとを連設する下部２ｃとで
構成されている。The rear body 2 is made of a suitable metal flat bar as shown in FIGS. 1 to 3, and includes a right portion 2a and a left portion 2b.
And a lower portion 2c connecting the right portion 2a and the left portion 2b.
【００２７】また、後体２は、その右部２ａ及び左部２
ｂ夫々の上端を前体１の所定位置にして上段の踏み板３
よりも上方位置において枢着し、この枢着部を支点に前
体１及び後体２は擺動自在に構成されており、更に、後
体２は、前体１及び後体２を閉じた際、前体１及び踏み
板３とほぼ平行状態となるように構成されている。The rear body 2 has a right part 2a and a left part 2a.
b The upper stepping plate 3 with the upper end of each being in a predetermined position of the front body 1
The front body 1 and the rear body 2 are configured to be freely slidable about the pivot point at a position higher than the pivot point, and the rear body 2 is closed when the front body 1 and the rear body 2 are closed. , And is substantially parallel to the front body 1 and the footboard 3.
【００２８】また、後体２は、その上方所定位置に横桟
４が架設されている。The rear body 2 is provided with a horizontal rail 4 at a predetermined position above the rear body 2.
【００２９】この横桟４は、連結体８と直交する状態に
して該連結体８に添設される位置に設けられており、踏
み板３を擺動させた際、連結体８が横桟４を押圧し、前
体１及び後体２の開き動作が行われ、この踏み板３が該
横桟４に当接して開き動作は完了する。The cross rail 4 is provided at a position attached to the connecting body 8 so as to be orthogonal to the connecting body 8, and when the tread plate 3 is caused to slide, the connecting body 8 moves the horizontal rail 4. Then, the front body 1 and the rear body 2 are opened, and the tread plate 3 comes into contact with the horizontal rail 4 to complete the opening operation.
【００３０】また、横桟４は、最上段の踏み板３に設け
た係止体５が係止されるように構成されている。The horizontal rail 4 is configured such that a locking body 5 provided on the uppermost stepping plate 3 is locked.
【００３１】また、横桟４は、その左右部位にリング状
のガイド部材９が付設され、このガイド部材９の横桟４
の前側位置の孔部９ａには連結体８が貫挿されている。
従って、前体１及び後体２を閉じ、両者を折り畳む際、
連結体８が該ガイド部材９を介して横桟４を引動し、よ
って、前体１及び後体２の閉じ動作は良好に行われるこ
とになる。The horizontal rail 4 has a ring-shaped guide member 9 attached to the left and right portions thereof.
The connector 8 is inserted through the hole 9a at the front side of the connector.
Therefore, when closing the front body 1 and the rear body 2 and folding both,
The connecting body 8 pulls the horizontal rail 4 via the guide member 9, so that the closing operation of the front body 1 and the rear body 2 is performed well.
【００３２】本実施例は上述のように構成したから、前
体１及び後体２を開いた際、踏み板３に設けた係止体５
が後体２の横桟４に係止して前体１及び後体２の開き状
態は保持される。Since the present embodiment is constructed as described above, when the front body 1 and the rear body 2 are opened, the locking members 5 provided on the tread plate 3
Are locked to the horizontal rail 4 of the rear body 2 and the open state of the front body 1 and the rear body 2 is maintained.
【００３３】よって、本実施例によれば、使用時（前体
１及び後体２を開いた状態の際）には前体１及び後体２
が不意に閉じてしまうことはない。Therefore, according to this embodiment, the front body 1 and the rear body 2 are used during use (when the front body 1 and the rear body 2 are open).
Does not close unexpectedly.
【００３４】また、本実施例は、前体１と後体２とを閉
じた際、該前体１及び後体２に対する閉じ方向への回動
を規制して踏み板３の平行状態を維持するストッパー体
６を設けたから、従来例と異なり、良好な折り畳み状態
が得られることになる。Further, in the present embodiment, when the front body 1 and the rear body 2 are closed, the turning of the front body 1 and the rear body 2 in the closing direction is regulated to maintain the parallel state of the tread plate 3. Since the stopper body 6 is provided, a good folded state can be obtained unlike the conventional example.
【図１】本実施例を示す斜視図である。FIG. 1 is a perspective view showing the present embodiment.
【図２】本実施例を示す斜視図である。FIG. 2 is a perspective view showing the embodiment.
【図３】本実施例の折り畳み状態を示す斜視図である。FIG. 3 is a perspective view showing a folded state of the embodiment.
【図４】本実施例に係る要部を説明する断面図である。FIG. 4 is a cross-sectional view illustrating a main part according to the present embodiment.
【図５】本実施例に係る要部を説明する断面図である。FIG. 5 is a cross-sectional view illustrating a main part according to the present embodiment.
【図６】本実施例に係る要部を説明する断面図である。FIG. 6 is a cross-sectional view illustrating a main part according to the present embodiment.
【図７】従来例に係る要部を説明する断面図である。FIG. 7 is a cross-sectional view illustrating a main part according to a conventional example.
１ 前体 １ａ 右部 １ｂ 左部 ２ 後体 ２ａ 右部 ２ｂ 左部 ３ 踏み板 ４ 横桟 ５ 係止体 ６ ストッパー体 ８ 連結体 ８ａ 係止部 DESCRIPTION OF SYMBOLS 1 Front body 1a Right part 1b Left part 2 Rear body 2a Right part 2b Left part 3 Tread plate 4 Side rail 5 Locking body 6 Stopper body 8 Connecting body 8a Locking part
Claims (5)
び左部を有する後体を上部において枢着し、前体の右部
及び左部間には踏み板が枢着され、この前体及び後体
は、開いた際、側方視が三角形状となり、また、閉じた
際、前体及び後体はほぼ平行となるように構成され、ま
た、踏み板は、前体と後体とを開いた際には後体の右部
及び左部間に架設された横桟に連設されて該前体と後体
との開きは規制され且つ両者の間に該踏み板は水平状態
で固定され、両者を閉じた際にはこの踏み板は前体及び
後体とほぼ平行となるように添設されるものであって、
前記踏み板には係止体が設けられ、前体と後体とを開い
た状態において前記踏み板の係止体と後体の横桟とは係
止可能に構成されていることを特徴とする踏み台。1. A front body having a right part and a left part and a rear body having a right part and a left part are pivotally connected at an upper part, and a tread is pivotally connected between the right part and the left part of the front body. The body and the rear body are configured such that when opened, the side view becomes triangular, and when closed, the front body and the rear body are substantially parallel, and the treads are the front body and the rear body. When the front body is opened, the front body and the rear body are connected to the horizontal rail installed between the right part and the left part of the rear body, and the opening between the front body and the rear body is regulated, and the tread plate is fixed in a horizontal state between the two. When the two are closed, this tread is attached so as to be substantially parallel to the front body and the rear body,
A stepping plate provided with a locking body, wherein the locking body of the stepping plate and the horizontal rail of the rear body can be locked in a state where the front body and the rear body are opened. .
み板は多段に構成され、各踏み板の側部後方側には連結
体が配設され、この連結体と各踏み板とは枢着され、少
なくとも１つの踏み板には係止体が設けられ、この踏み
板と対応する位置にして後体には横桟が設けられ、該係
止体はこの横桟と係止可能に構成されていることを特徴
とする踏み台。2. The step board according to claim 1, wherein the step board is configured in multiple stages, and a connecting member is disposed on a side rear side of each step board, and the connecting member and each step board are pivotally connected to each other. A locking member is provided on one tread plate, and a horizontal bar is provided on the rear body at a position corresponding to the tread plate, and the locking member is configured to be lockable with the horizontal bar. And the step ladder.
止体は最上段の踏み板に設けられていることを特徴とす
る踏み台。3. The step platform according to claim 2, wherein the locking member is provided on an uppermost step board.
台において、前体と後体とを閉じた際、踏み板が前体及
び後体の閉じ方向へ回動することを規制して該踏み板の
前体及び後体との平行状態を維持するストッパー体が設
けられていることを特徴とする踏み台。4. The step platform according to claim 1, wherein when the front body and the rear body are closed, the step board is prevented from rotating in the closing direction of the front body and the rear body. A step ladder provided with a stopper body for maintaining a parallel state between a front body and a rear body of the step board.
トッパー体は、前記連結体に設けられた踏み板の裏面に
係止する係止部であることを特徴とする踏み台。5. The step platform according to claim 4, wherein the stopper body is a locking portion that locks on a back surface of a step plate provided on the connecting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000333814A JP2002138782A (en) | 2000-10-31 | 2000-10-31 | Step ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000333814A JP2002138782A (en) | 2000-10-31 | 2000-10-31 | Step ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002138782A true JP2002138782A (en) | 2002-05-17 |
Family
ID=18809834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000333814A Ceased JP2002138782A (en) | 2000-10-31 | 2000-10-31 | Step ladder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002138782A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015031103A (en) * | 2013-08-06 | 2015-02-16 | アルインコ株式会社 | Stepladder type working platform |
| US20170321482A1 (en) * | 2016-05-04 | 2017-11-09 | Tricam Industries, Inc. | Latch for ladder or step stool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59160799U (en) * | 1983-04-13 | 1984-10-27 | 東洋金属化工株式会社 | stepping stone |
| JPH033258U (en) * | 1989-05-31 | 1991-01-14 | ||
| JPH0335196U (en) * | 1989-08-18 | 1991-04-05 | ||
| JPH0538298U (en) * | 1991-03-25 | 1993-05-25 | ホクセイ日軽株式会社 | Folding stepladder with tread |
| JPH0732199U (en) * | 1993-11-30 | 1995-06-16 | 株式会社愛邦 | Folding stepladder |
| JPH08270346A (en) * | 1995-03-31 | 1996-10-15 | Kawajiyun Kk | Folding stepladder |
-
2000
- 2000-10-31 JP JP2000333814A patent/JP2002138782A/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59160799U (en) * | 1983-04-13 | 1984-10-27 | 東洋金属化工株式会社 | stepping stone |
| JPH033258U (en) * | 1989-05-31 | 1991-01-14 | ||
| JPH0335196U (en) * | 1989-08-18 | 1991-04-05 | ||
| JPH0538298U (en) * | 1991-03-25 | 1993-05-25 | ホクセイ日軽株式会社 | Folding stepladder with tread |
| JPH0732199U (en) * | 1993-11-30 | 1995-06-16 | 株式会社愛邦 | Folding stepladder |
| JPH08270346A (en) * | 1995-03-31 | 1996-10-15 | Kawajiyun Kk | Folding stepladder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015031103A (en) * | 2013-08-06 | 2015-02-16 | アルインコ株式会社 | Stepladder type working platform |
| US20170321482A1 (en) * | 2016-05-04 | 2017-11-09 | Tricam Industries, Inc. | Latch for ladder or step stool |
| US9869125B2 (en) * | 2016-05-04 | 2018-01-16 | Tricam Industries, Inc. | Latch for ladder or step stool |
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