JP3317929B2 - Intermediate leg support for ladder - Google Patents
Intermediate leg support for ladderInfo
- Publication number
- JP3317929B2 JP3317929B2 JP17992699A JP17992699A JP3317929B2 JP 3317929 B2 JP3317929 B2 JP 3317929B2 JP 17992699 A JP17992699 A JP 17992699A JP 17992699 A JP17992699 A JP 17992699A JP 3317929 B2 JP3317929 B2 JP 3317929B2
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- footrest
- foot
- locking
- rails
- 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
【0001】[0001]
【発明の属する技術分野】本発明は、梯子の両側桁間に
納する巾を有する水平な足踏部と、該足踏部の両側端か
ら斜め上方に延びる側面視略三角形状の係止用側板とか
らなる梯子用中間足掛具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal stepping portion having a width that can be accommodated between both side girders of a ladder, and a substantially triangular locking member extending obliquely upward from both side ends of the stepping portion. The present invention relates to a ladder intermediate footrest comprising a side plate.
【0002】[0002]
【従来の技術】従来、作業者の背がとどかない位の上方
にあるものを作業する場合、梯子の足掛け用横桟に足を
掛けた状態で立ち上がり作業を行っていた。2. Description of the Related Art Heretofore, when working on an object which is above a level where the worker's back cannot reach, the worker has to stand up with a foot on a horizontal rail for footing of a ladder.
【0003】[0003]
【発明が解決しようとする課題】ところで、前記梯子の
足掛け用横桟に足を掛けて立ち上がり作業を行うのは、
足乗せ部が狭く、また滑り易くて、作業者は立上り状態
を維持するのが不安定となる虞がある。By the way, the work of standing up by putting a foot on the cross rail for footing of the ladder is as follows.
The footrest is narrow and slippery, and it may be unstable for the worker to maintain the standing state.
【0004】本発明は、従来の技術の有するこのような
問題点に鑑みてなされたものであり、その目的とすると
ころは、梯子の任意に選定した個所を3点支持で確実に
取り付けられ、安定して立上り作業が可能であり、また
合成樹脂による一体成形であるので製作が容易で、重量
が軽いのでその持ち運びも容易で、腐食し難い梯子用中
間足掛具を提供しようとするものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to securely attach arbitrarily selected portions of a ladder with three points, It is intended to provide an intermediate footrest for a ladder that can be stably started up, is easy to manufacture because it is integrally molded of synthetic resin, is easy to carry because it is light in weight, and is hard to corrode. is there.
【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、本発明における梯子用中間足掛具は、梯子の両側桁
間に納する巾を有する水平な足踏部と、該足踏部の両側
端から斜め上方に延びる側面視略三角形状の係止用側板
とからなる梯子用中間足掛具であって、前記足踏部と係
止用側板とを合成樹脂により一体成形し、足踏部の上面
に滑り止め用の突起を多数形成すると共に、両係止用側
板の三角形の頂点部位および中間部位に梯子の足掛け用
横桟に係止される鈎を形成し、前記足踏部の端部を梯子
の横桟に当接させるようにしたことを特徴とするもので
ある。In order to achieve the above object, an intermediate footrest for a ladder according to the present invention comprises: a horizontal foot portion having a width to fit between both side girders of the ladder; A ladder intermediate footrest comprising a substantially triangular locking side plate extending obliquely upward from both side ends of the ladder, wherein the foot step and the locking side plate are integrally formed of synthetic resin, with a large number forming protrusions for preventing slippage on the upper surface of the step parts, to form a hook to be locked to the rungs for legrest ladder to the vertex portion and the intermediate portion of the triangle of the two locking plates, the foot step parts Ladder at the end
The abutment is adapted to be brought into contact with the horizontal rail .
【0006】[0006]
【発明の実施の形態】図1ないし図3は本発明に係る梯
子用中間足掛具の一実施例に関するものであり、図1は
梯子用中間足掛具の正面図、図2はその平面図、図3は
図1のA−A断面図を示すものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 3 relate to an embodiment of an intermediate footing device for a ladder according to the present invention. FIG. 1 is a front view of the intermediate footing device for a ladder, and FIG. FIG. 3 and FIG. 3 are cross-sectional views taken along line AA of FIG.
【0007】図において、梯子1は足掛け用横桟とその
両側に位置する側桁で構成され、前記両側桁2,2間に
は複数の前記足掛け用横桟を構成する桟3a,3b,3
c…が配置されている。In the figure, a ladder 1 is composed of a horizontal rail for a footrest and side girders located on both sides thereof, and a plurality of rails 3a, 3b, 3 constituting a plurality of the horizontal rails for a foot between the two side girders 2, 2.
c ... are arranged.
【0008】4は梯子用中間足掛具であり、該中間足掛
具4は足踏部5と係止用側板6,6とで構成されてい
る。そして、これらは合成樹脂で一体成形されて軽量化
が図られている。Reference numeral 4 denotes a middle footrest for a ladder. The middle footrest 4 is composed of a foot portion 5 and side plates 6 and 6 for locking. These are integrally molded with a synthetic resin to reduce the weight.
【0009】前記足踏部5は上面に滑べり止め用の突起
7,7,…が多数形成された略長方形状のものからな
り、該足踏部5の両側端から斜め上方に向けて前記係止
用側板6が延びている。また、該足踏部5の裏面には足
踏部5を補強するためのリブ8,8,…が複数形成され
ている。The step portion 5 is formed in a substantially rectangular shape having a large number of non-slip projections 7, 7,... Formed on an upper surface thereof. The locking side plate 6 extends. Further, a plurality of ribs 8, 8,... For reinforcing the footstep 5 are formed on the back surface of the footstep 5.
【0010】前記係止用側板6は、その形状が側面視略
三角形状であり、両係止用側板6,6の三角形の頂点部
位および中間部位には前記足掛け用横桟3a,3bに係
止される鈎9a,9a,9b,9bが上から下方向に向
けて形成されている。また、これら鈎9a,9a,9
b,9bと平行で足踏部5端部に前記鈎9a,9a,9
b,9bと逆方向で下から上方向に向けて鈎10,10
が形成されている。The locking side plate 6 has a substantially triangular shape in a side view, and the apexes and intermediate portions of the triangular shape of the locking side plates 6, 6 are related to the foot rails 3a, 3b. Hooks 9a, 9a, 9b, 9b to be stopped are formed from top to bottom. In addition, these hooks 9a, 9a, 9
b, 9b, the hooks 9a, 9a, 9
b, 9b, hooks 10 and 10 from the bottom upward
Are formed.
【0011】以上のような実施例において、梯子1を利
用して作業を必要とする時には、作業者は中間足掛具4
を持って梯子1を昇降し、作業を必要とする箇所の近傍
の足掛け用横桟である例えば桟3a,3b,3cにおい
て、先ず中間足掛具4をその足踏部5の端部に形成した
鈎10,10が桟3cを抱くように配置し、次いで該中
間足掛具4を下方に多少移行させて、鈎9a,9a,9
b,9bが桟3a,3bにそれぞれ掛かるようにして、
中間足掛具4を梯子1に係止させ、足踏部5を略水平状
とする。この際、前記鈎10,10は桟3cから多少下
方に離れ、足踏部5の端部が桟3cに当接する状態とな
る。In the above-described embodiment, when work is required using the ladder 1, the worker is required to use
The ladder 1 is lifted up and down, and, for example, at the cross rails 3a, 3b, 3c, which are foot rails in the vicinity of the place where the work is required, first, the intermediate foot tool 4 is formed at the end of the foot section 5 thereof. The hooks 10, 10 are arranged so as to embrace the crosspiece 3c, and then the intermediate hook 4 is slightly shifted downward to form hooks 9a, 9a, 9
so that b and 9b hang on the bars 3a and 3b, respectively.
The intermediate footrest 4 is locked to the ladder 1 and the footstep 5 is made substantially horizontal. At this time, the hooks 10 and 10 are slightly separated from the bar 3c, and the end of the foot portion 5 comes into contact with the bar 3c.
【0012】この状態で、作業者は足元の広い滑べりに
くい足踏部5に足を載せて梯子1において安定した立上
り作業をすることができる。In this state, the worker can place a foot on the foot portion 5 which has a wide foot and is difficult to slide, and can perform a stable rising operation on the ladder 1.
【0013】[0013]
【発明の効果】本発明に係る梯子用中間足掛具は、梯子
の任意に選定した個所を3点支持で確実に取り付けら
れ、安定して立上り作業が可能であり、また、合成樹脂
による一体成形であるので製作が容易で、重量も軽いの
でその持ち運びも容易で、腐食し難いものである。According to the present invention, the intermediate footrest for a ladder can securely mount a ladder at an arbitrarily selected place at three points, and can stably stand up. Since it is molded, it is easy to manufacture, and since it is light in weight, it is easy to carry and hardly corrode.
【図1】図1は本発明の一実施例に係る梯子用中間足掛
具の正面図である。FIG. 1 is a front view of an intermediate footrest for a ladder according to one embodiment of the present invention.
【図2】図2はその平面図である。FIG. 2 is a plan view thereof.
【図3】図3は図1のA−A断面図である。FIG. 3 is a sectional view taken along line AA of FIG. 1;
1 梯子 2 側桁 3a,3b,3c 足掛け用横桟 4 梯子用中間足掛具 5 足踏部 6 係止用側板 7 突起 9a,9b 鈎 DESCRIPTION OF SYMBOLS 1 Ladder 2 Side girder 3a, 3b, 3c Horizontal rail for footrest 4 Intermediate footrest for ladder 5 Foot step part 6 Side plate for locking 7 Projection 9a, 9b Hook
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) E06C 7/16 E06C 1/39 E04G 1/30 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) E06C 7/16 E06C 1/39 E04G 1/30
Claims (1)
足踏部と、該足踏部の両側端から斜め上方に延びる側面
視略三角形状の係止用側板とからなる梯子用中間足掛具
であって、前記足踏部と係止用側板とを合成樹脂により
一体成形し、足踏部の上面に滑り止め用の突起を多数形
成すると共に、両係止用側板の三角形の頂点部位および
中間部位に梯子の足掛け用横桟に係止される鈎を形成
し、前記足踏部の端部を梯子の横桟に当接させるように
したことを特徴とする梯子用中間足掛具。1. A ladder for a ladder comprising: a horizontal step portion having a width to fit between both side girders of a ladder; and a substantially triangular side view locking side plate extending obliquely upward from both side ends of the step portion. An intermediate footrest, wherein the footrest and the locking side plate are integrally formed of synthetic resin, a large number of anti-slip projections are formed on the upper surface of the footrest, and the triangular shape of both locking side plates is provided. At the apex part and middle part of the ladder, hooks are formed which are locked to the ladder foot rails so that the ends of the foot steps contact the ladder rails.
Midfoot Kakegu for the ladder, characterized in that it was.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17992699A JP3317929B2 (en) | 1999-06-25 | 1999-06-25 | Intermediate leg support for ladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17992699A JP3317929B2 (en) | 1999-06-25 | 1999-06-25 | Intermediate leg support for ladder |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001003665A JP2001003665A (en) | 2001-01-09 |
JP3317929B2 true JP3317929B2 (en) | 2002-08-26 |
Family
ID=16074352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17992699A Expired - Fee Related JP3317929B2 (en) | 1999-06-25 | 1999-06-25 | Intermediate leg support for ladder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3317929B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11136822B1 (en) | 2019-01-31 | 2021-10-05 | Tom Gazda | Ladder mounted device and system |
USD888995S1 (en) | 2019-01-31 | 2020-06-30 | Tom Gazda | Ladder mounted device and system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5299126U (en) * | 1976-01-23 | 1977-07-26 | ||
JPS5582399U (en) * | 1978-11-27 | 1980-06-06 | ||
JPS57164000U (en) * | 1981-04-08 | 1982-10-15 | ||
JPS59102899U (en) * | 1982-12-28 | 1984-07-11 | 徳重 義知 | ladder trestle |
JPS62146899U (en) * | 1986-03-11 | 1987-09-17 | ||
JPH01275892A (en) * | 1988-04-26 | 1989-11-06 | Natl House Ind Co Ltd | Trestle with tread |
JPH03257279A (en) * | 1990-03-05 | 1991-11-15 | Kageaki Toyoshima | Hook step for ladder |
-
1999
- 1999-06-25 JP JP17992699A patent/JP3317929B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2001003665A (en) | 2001-01-09 |
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Legal Events
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---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110614 Year of fee payment: 9 |
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LAPS | Cancellation because of no payment of annual fees |