JP2013072174A - Stepladder with tray - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stepladder with a tray that includes a front-side leg body for going-up/down provided with materials to step on between right and left posts and a rear-side support leg body supporting the leg body for going-up/down, and is provided on an upper-end side between the right and left posts with the tray in a manner freely changeable in attitude between an in-use attitude in which the tray extends backward from the upper-end side of the right and left posts and a storage attitude in which the tray is set along the posts while freely changeable in attitude from the in-use attitude to the storage attitude by the tray upwardly rotating, and to configure the tray not to easily rotate from each of the attitudes to the other attitude.SOLUTION: A rotation restriction part 33 is provided to an upper-end side of a post 5 of the leg body for going-up/down. A tray 4 is provided with an engagement part 28 which engages the rotation restriction part 33 in the in-use attitude and storage attitude to restrict attitude changing operation of the tray 4, and disengages from the rotation restriction part 33 by forcibly rotating the tray 4 to allow the attitude changing operation of the tray 4.

Description

  The present invention relates to a stepladder with a tray.

Conventionally, there is a stepladder described in Patent Document 1 as a stepladder with a tray.
The stepladder includes a front lifting leg, a rear supporting leg that supports the lifting leg, and a tray provided on the upper end side of the lifting leg.
The lifting leg includes a pair of left and right columns and a plurality of step members provided between the left and right columns.

The left and right struts are made of a pipe material, and the upper ends of the left and right struts are integrally connected by a connecting rod formed by the pipe material forming the struts.
The tray is provided with a pivotal support part that is externally fitted to the connecting rod that connects the upper ends of the left and right struts so as to be rotatable about a horizontal axis, and the tray is rotated about the horizontal axis of the connecting part. It is supported freely.

The tray can be changed in posture between a use posture and a storage posture by rotating around the connecting portion.
In the use posture, the tray extends rearward from the upper end side of the support column and the upper surface faces upward. In this use posture, an article such as a tool can be placed on the upper surface side of the tray.
In this use posture, the contact portion on the front end side of the lower left and right sides of the tray contacts the support from the rear side, so that the downward rotation of the tray is stopped and the tray is maintained in the use posture.

Further, by rotating the tray upward from this use posture, the posture can be changed to a storage posture in which the tray is located between the upper portions of the left and right columns.
In this storage posture, the contact portion provided on the rear side of the lower left and right sides of the tray comes into contact with the support from the front side, whereby the rearward rotation of the tray is stopped and the tray is maintained in the storage posture.

U.S. Patent No. 6000497

  In the conventional stepladder, there is nothing that regulates the posture changing operation from each posture of the tray to another posture. Therefore, when something hits the tray in the state where the tray is in the use posture, the tray is inclined. The items on the tray may roll off. In addition, when the stepladder is moved with the tray in the stowed posture, the tray may swing, and for example, the tray may hit an operator or the like.

  Then, this invention makes it a subject to provide the stepladder with a tray which solves the said problem.

The technical means taken by the present invention to solve the technical problems are characterized by the following points.
The invention according to claim 1 includes a front lifting leg provided with a step member between a pair of left and right struts, and a rear supporting leg that supports the lifting leg.
One end side of the tray is arranged on the upper end side between the left and right support columns, and the one end side of the tray is supported so as to be rotatable around the left and right axis.
The tray can be changed to a use posture extending rearward from between the upper end sides of the left and right support columns and a storage posture along the support columns, and at the same time, the tray is returned to the storage posture by rotating upward from the use posture. Changeable,
By providing a rotation restricting portion on the upper end side of the support column and engaging the rotation restricting portion in the use posture and the storage posture to restrict the tray posture changing operation and forcibly turn the tray. The tray is provided with an engaging portion that is disengaged from the rotation restricting portion and allows the posture changing operation of the tray.

In the invention according to claim 2, the lifting leg includes an upper end tool provided on the upper end side of each of the left and right columns, and the tray is rotatably supported on the upper end tool.
On the inner side surface in the left-right direction of the upper end tool, the rotation restricting portion, the first stopper portion for stopping the rotation in the rotation direction from the storage posture to the use posture in the use posture, and the storage posture from the use posture are stored. A second stopper portion that stops rotation in the direction of rotation to the posture;
The engaging portion is provided on a side surface of the tray.

In the invention according to claim 3, the engaging portion is formed in a protrusion that protrudes outward in the left-right direction from the side surface of the tray and is long in the front-rear direction in the use posture of the tray.
The rotation restricting portion restricts the rotation of the tray to the storage posture in the use posture, and the second rotation restriction restricts the rotation of the tray to the use posture in the storage posture. Are provided,
The first rotation restricting portion is formed on a ridge that protrudes inward in the left-right direction from the inner surface of the upper end tool and extends along the engaging portion in the use posture of the tray.
The second rotation restricting portion is characterized in that it is formed on a protrusion that protrudes inward in the left-right direction from the inner surface of the upper end tool and extends along the engaging portion in the tray storage posture.

  According to a fourth aspect of the present invention, the tray is configured to fit between the left and right struts of the lifting leg so that the tray does not protrude upward from the lifting leg in the storage posture.

  According to the stepladder with a tray according to the present invention, the engagement portion and the rotation restricting portion restrict the rotation of the tray from each posture to another posture. Even if something hits the tray, the tray does not easily tilt, so that it is possible to prevent as much as possible anything from hitting the tray and rolling on the tray. Further, in a state where the tray is in the stowed posture, the swinging of the tray is restricted, so that it is possible to prevent the tray from swinging and hitting an operator when the stepladder is moved.

  Further, by forcibly rotating the tray, the engaging portion is disengaged from the rotation restricting portion and the tray posture changing operation is allowed. Therefore, the tray posture changing operation can be easily performed.

(A) is a front view of a stepladder, (b) is a side view of a stepladder. It is a perspective view of a stepladder, (a) shows the stepladder of an open leg state, (b) shows the stepladder of a folding state. (A) is a front view of the upper part of the stepladder in the open state, and (b) is a side view of the upper part of the stepladder in the folded state. It is a side view which shows the attitude | position change operation | movement of a tray. It is a side view of the leg upper part for raising / lowering in a use posture. FIG. 6 is a cross-sectional view taken along line AA in FIG. 5. FIG. 6 is a cross-sectional view taken along line B-B in FIG. 5. It is C arrow line view of FIG. It is a side view of the leg for raising / lowering in a stowed posture. It is a D arrow line view of FIG. FIG. 10 is a cross-sectional view taken along line EE in FIG. 9. It is a perspective view of an upper end tool. (A) is a plan view of the tray, (b) is a front view of the tray, and (c) is a rear view of the tray. (A) is a cross section taken along line FF in FIG. 13, (b) is a cross section taken along line GG in FIG. 13, (c) is a cross section taken along line HH in FIG. 13, and (d) is a diagram. FIG. 13 is a sectional view taken along line KK in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1-3, the code | symbol 1 has shown the stepladder 1 with a tray which concerns on this invention.
In the following description, the inner side in the left-right direction refers to the direction from the end side in the left-right direction of the stepladder 1 toward the center in the left-right direction of the stepladder 1, and the outer side in the left-right direction refers to the stepladder 1 from the end in the left-right direction of the stepladder 1. The direction toward the opposite side of the center in the left-right direction.

The stepladder 1 includes a front lifting leg 2, a rear supporting leg 3 that supports the lifting leg 2, and a tray 4 provided on the upper part of the lifting leg 2. Yes.
The lifting leg 2 is provided on the upper end side of the left and right struts 5, a pair of left and right struts 5, one or a plurality of stepping members 6 provided between the left and right struts 5 with a space in the vertical direction. It mainly comprises an upper end tool 7, a lower end tool 8 provided on the lower end side of the left and right columns, and a support bracket 9 provided on the upper side of the left and right columns 5 and on the lower side of the tray 4.

The support leg 3 is formed on a pair of left and right columns 11, an upper connecting rod 12 that connects the upper portions of the left and right columns 11, a lower connecting rod 13 that connects the lower portions of the left and right columns, and a lower end side of the left and right columns 11. It is mainly composed of the lower end tool 14 provided.
The left and right struts 11 of the support leg 3 are positioned on the rear side of the left and right struts 5 of the lifting leg 2 located on the same side in the left-right direction, and the upper end side of the left and right struts 11 of the support leg 3 is the support bracket 9. The support leg 3 is attached so as to be rotatable around the axis in the left-right direction, and the support leg 3 is moved closer to and away from the lifting leg 2 by turning the left and right support columns 11 of the support leg 3 about the left-right axis. It is supposed to be free.

  As shown in FIGS. 1 (b), 2 (a), and 3 (a), the stepladder 1 is moved downward as the distance between the column 5 of the lifting leg 2 and the column 11 of the support leg 3 decreases. In the state where the stepladder 1 is in an open state, the legs 5 of the lifting / lowering leg 2 are inclined so as to move backward as they move upward in the state where the stepladder 1 is installed on a horizontal surface. The support column 3 has an inclined shape (forward inclined shape) that moves forward as it goes upward.

When the supporting leg 3 is brought close to the lifting leg 2 from this open leg state, the stepladder 1 becomes a column of the lifting leg 2 as shown in FIGS. 2 (b) and 3 (b). 5 can be in a folded state in which the support 11 of the support leg 3 is positioned along the rear side.
Further, the distance between the left and right struts 5 of the lifting leg 2 and the distance between the left and right struts 11 of the support leg 3 are configured to gradually increase toward the lower side.

In this embodiment, three step members 6 of the lifting leg 2 are provided at intervals in the vertical direction, and are composed of an uppermost step plate 6A, an intermediate portion, and a lowermost step bar 6B.
The tread plate 6A is attached to the left and right support columns 5 of the lifting leg 2 so that the tread plate 6A can pivot about the axis in the left-right direction, and the rear part is detachably engaged with the upper connecting rod 12 of the support leg 3. It has an engagement tool 15.

The stepladder 1 is held in the open state by engaging the engaging tool 15 of the footboard 6A with the upper connecting rod 12 in the open state of the stepladder 1.
One end side of the interlocking member 16 is pivotally connected to the front and rear intermediate portion of the tread plate 6 </ b> A, and the other end side of the interlocking member 16 is externally fitted to the upper connecting rod 12 of the support leg 3. Backward rotation of the support leg 3 when the stepladder 1 is in the open state is restricted.

Further, when the engagement tool 15 is disengaged from the upper connecting rod 12 in the state where the stepladder 1 is in the open state and the tread plate 6A is rotated upward, the support leg 3 is moved up and down via the interlocking member 16. The stepladder 1 is folded by being drawn toward the leg 2 side.
The left and right ends of each step bar 6B are fixed to the left and right struts 5 of the lifting leg 2 and connect the left and right struts 5.

4, the front end side (one end side) of the tray 4 is disposed between the left and right upper end tools 7 (the upper end side between the left and right support columns 5 of the lifting leg 2), and the front end side is the upper end. It is pivotally connected to the tool 7 (on the side of the support column 5) so as to be rotatable about an axis in the left-right direction.
The tray 4 extends rearward from between the left and right upper end tools 7 (the upper end side between the left and right support columns 5 of the lifting leg 2), and the use posture in which the upper surface of the tray 4 faces upward (FIG. 3 (a), FIG. 5) and a storage posture (see FIG. 3 (b), FIG. 9, etc.) along the column 5 of the lifting leg 2 and the upper surface of the tray 4 facing backward (see FIG. 3 (b), FIG. 9). The posture can be freely changed to the stowed posture by pivoting from above to above.

Articles can be placed on the tray 4 in a state where the tray 4 is in a use posture, and the lift legs are configured so that the tray 4 does not protrude upward from the lift legs 2 in a state where the tray 4 is in a storage position. It is comprised so that it may fit between two right-and-left support | pillars 5. FIG.
As shown in FIGS. 13 and 14, the tray 4 is formed in a rectangular shape that is long in the left-right direction in plan view.

The tray 4 mainly includes inner and outer peripheral walls 17 and 18, a bottom wall 19, an edge side upper wall 20, and a rib wall 21.
The inner and outer peripheral walls 17 and 18 are composed of front walls 17a and 18a, rear walls 17b and 18b, left side walls 17c and 18c, and right side walls 17d and 18d, and the front wall 17a of the inner peripheral wall 17 is an upper part of the front wall 18a of the outer peripheral wall 18. Located at the rear, the rear wall 17b of the inner peripheral wall 17 is positioned in front of the upper part of the rear wall 18b of the outer peripheral wall 18, the left side wall 17c of the inner peripheral wall 17 is positioned to the upper right of the left side wall 18c of the outer peripheral wall 18, The right side wall 17d of the peripheral wall 17 is located on the left side of the upper side of the right side wall 18d of the outer peripheral wall 18.

The upper end of the inner peripheral wall 17 and the upper end of the outer peripheral wall 18 are connected by the edge side upper wall 20 over the entire periphery. The bottom wall 19 is located on the lower end side of the inner peripheral wall 17, and the front, rear, left and right edges of the bottom wall 19 are connected to the lower ends of the front and rear walls 17a, 17b and the left and right side walls 17c, 17d of the inner peripheral wall 17 ( Therefore, the bottom wall 19 of the tray 4 has a raised bottom shape).
The rib wall 21 is provided in a lattice shape in the front-rear direction and the left-right direction below the bottom wall 19 and the edge-side upper wall 20.

Support walls 22 are respectively provided on the front right side of the left side wall 18c of the outer peripheral wall 18 and on the left side of the front side of the right side wall 18d of the outer peripheral wall 18, and the left and right side walls 18c, 18d and the left and right support walls 22 of the outer peripheral wall 18 are provided. Is formed with concentric support holes 23 penetrating through the walls 18c, 18d, and 22 in the left-right direction.
The left and right center sides of the rear walls 17b, 18b of the inner and outer peripheral walls 17, 18 are recessed forward, and a handle for pinching the tray 4 in the recessed portion 24 of the rear wall 18b of the outer peripheral wall 18 when changing the posture. A portion 25 is provided. As shown in FIG. 4D, the handle portion 25 is formed in an inclined shape that moves upward as it goes rearward.

Further, a pair of front and rear receiving recesses 26 are provided at the left and right rear portions on the upper surface side of the tray 4. The receiving recess 26 is formed by recessing the rear part of the left and right side parts of the edge side upper wall 20 and the rear part of the left and right side walls 17c, 17d, 18c and 18d of the inner and outer peripheral walls 17 and 18 from above to below. It is formed in the circular-arc-shaped recessed part which becomes convex toward the side view downward.
By placing an elongated cylindrical body such as a fluorescent lamp over the receiving recesses 26 corresponding in the left-right direction, the elongated cylindrical body can be placed on the receiving recesses 26 without rolling down.

In addition, a plurality of holding cylinders 27A and 27B having an axial center in the vertical direction and having openings in the upper and lower ends and different diameters are provided on the rear portion of the bottom wall 19 (in this embodiment, on both the left and right sides). A large-diameter cylinder 27A is provided, and three small-diameter cylinders 27B are provided between the left and right large-diameter cylinders 27A at intervals in the left-right direction).
The bulbs and the like can be held in the holding cylinders 27A and 27B by inserting a base such as a bulb or a glow bulb.

Further, articles such as tools, bolts, and screws can be placed on the bottom wall 19 (therefore, the upper surface side of the tray 4 is the surface on which the articles are placed).
Further, the front side of the left and right side surfaces 4a of the tray 4 (the left and right side surfaces 18c and 18d of the outer peripheral wall 18) are long in the front-rear direction (long along the upper surface of the left and right front sides of the tray 4). An engaging portion 28 made of a strip is provided.

The engaging portion 28 is provided behind the pivotal support hole 23 at a distance, and is provided at substantially the same height as the pivotal support hole 23.
Further, the engaging portion 28 is formed to project outward in the left-right direction from the outer side surfaces of the left and right side walls 18c, 18d of the outer peripheral wall 18 of the tray 4, and the cross-sectional shape orthogonal to the longitudinal direction is outward in the left-right direction. It has a semicircular shape that is convex toward the surface.

The tray 4 configured as described above is integrally formed of resin.
As shown in FIGS. 4 to 12, the upper end tool 7 includes an end tool main body 31 attached to the upper end portion of each column 5 of the lifting leg 2 and a stopper 32 that prevents excessive rotation in each posture of the tray 4. And a rotation restricting portion 33 for restricting the posture changing operation from each posture of the tray 4 to another posture.

The end tool main body 31 is mainly composed of a front wall 34, a rear wall 35, left and right side walls 36 and 37, an upper wall 38, and a pair of front and rear rib walls 39.
The front and rear walls 34, 35, the inner and outer walls 36, 37, and the upper wall 38 form a downwardly-opening strut fitting portion, and this strut fitting portion is formed on the upper end side of the strut 5 of the lifting leg 2 from above. It is fitted externally (the upper end side of the column 5 of the lifting leg 2 is inserted into the column fitting part from below).

Further, the rivets 41 (or fasteners such as bolts and nuts) penetrating the inner and outer walls 36 and 37 and the column 5 prevent the upper end member 7 from coming off from the column 5 (from the upper end member 7 of the column 5). Is designed to prevent slipping out).
The lower part of the inner wall 36 of the end tool body 31, the lower part of the rear end side of the outer wall 37 and the lower part of the rear wall 35 extend below the lower end of the front wall 34, and the front part of the outer wall 37 and the middle part in the front-rear direction Is formed at the same position as the lower end of the front wall 34.

The rear portion of the inner wall 36 extends rearward from the rear wall 35 in the vertical direction, and a rearward extension portion 36a of the inner wall 36 is formed such that the vertical width gradually becomes narrower toward the rear. .
The rib wall 39 is provided between the opposing surfaces of the inner and outer walls 37, and is provided in the vertical direction of the inner and outer walls 37 in parallel with the rear wall 35. The front and rear rib walls 39 are provided in a distributed manner from the center of the front and rear walls 34 and 35 to the front and rear.

The upper portion of each rib wall 39 is provided between the opposing surfaces of the inner and outer walls 37, and the lower portion of each rib wall 39 is provided so as to extend a predetermined amount from the opposing surface of the inner and outer walls 37 in the opposing direction. The lower portion of the rib wall 39 is fitted into a groove 42 in the column longitudinal direction formed on the left and right side surfaces of the column 5 of the lifting leg 2.
A support hole 43 penetrating the inner and outer walls 36 and 37 in the left-right direction is formed in the front upper portion of the upper end tool 7 and above the support column 5 of the lifting leg 2 to support the inner and outer surfaces of the upper end tool 7. A boss 44 is provided around the hole 43.

The front portion of the tray 4 is inserted between the left and right upper end tools 7, and the tray 4 is supported by a support shaft 45 formed of a rivet (or bolt or the like) inserted through the support hole 43 of the upper end tool 7 and the pivot support hole 23 of the tray 4. 4 The left and right sides of the front part are pivotally connected to an upper end tool 7 located on the same side in the left-right direction.
The engaging portion 28 provided on the tray 4 is provided on a surface of the side surface 4a of the tray 4 facing the inner surface 7a of the upper end tool 7, and the stopper 32 and the rotation restricting portion provided on the upper end tool 7 are provided. 33 is provided on the inner surface 7 a of the upper end tool 7.

The stopper 32 and the rotation restricting portion 33 are formed so as to project inward in the left-right direction from the inner side surface 7 a of the upper end tool 7.
The stopper 32 has a first stopper portion 46 that stops rotation in a direction of rotation from the storage posture to the use posture in the use posture (this direction is referred to as a deployment direction X), and rotates from the use posture to the storage posture in the storage posture. It is formed in an L shape from a second stopper portion 47 that stops rotation in a moving direction (this direction is referred to as a storage direction Y) and a connecting portion 48 that connects the first stopper portion 46 and the second stopper portion 47. ing.

As shown in FIGS. 5 and 7, the first stopper portion 46 is formed in a plate shape that is long in the front-rear direction and has a plate surface facing up and down, and the side wall of the outer peripheral wall 18 of the tray 4 on the upper surface of the first stopper portion 46. When the lower surfaces of 18c and 18d and the support wall 22 are in contact with each other, the tray 4 is prevented from rotating in the unfolding direction X (downward rotation) in the use posture.
As shown in FIGS. 9 and 11, the second stopper portion 47 is formed in a plate shape that is long in the inclination direction that moves forward as it goes downward and the plate surface faces front and rear. 4 is in contact with the upper left and right upper surfaces (the upper surfaces of the front portions of the left and right sides of the edge-side upper wall 20), thereby preventing the tray 4 from rotating in the storage direction Y (backward rotation) in the storage position.

As the rotation restricting portion 33, a first rotation restricting portion 33A for restricting the rotation of the tray 4 in the storage direction Y in the use posture, and a second for restricting the rotation of the tray 4 in the unfolding direction X in the storage posture. A rotation restricting portion 33B is provided.
33 A of 1st rotation control parts are extended in the back from the boss | hub 44 of the inner surface of the upper end tool 7 along the engaging part 28 in the use attitude | position of the tray 4, and are formed in a protrusion long in the front-back direction. ing.

  As shown in FIGS. 5 and 7, the first rotation restricting portion 33 </ b> A is located above the engaging portion 28 in the use posture of the tray 4, and the protruding side faces the engaging portion 28 in the vertical direction. As shown in FIG. As a result, the rotation of the tray 4 in the storage direction Y is restricted, the tray 4 is held in the use posture, and something hits the tray 4 in the use posture, and an object on the tray 4 falls from the tray 4. Can be prevented.

When the grip portion 25 of the tray 4 is gripped and the tray 4 is forcibly rotated from the use posture in the storage direction Y, the tray 4 and the like are elastically deformed, so that the engaging portion 28 becomes the first. The vehicle moves over the rotation restricting portion 33A and moves away from the first rotation restricting portion 33A toward the storing direction Y, and the posture changing operation of the tray 4 is allowed.
As shown in FIG. 6, since the gap between the inner surface of the upper end tool 7 and the side surface of the tray 4 gradually decreases in the use posture of the tray 4 as it goes rearward, the first rotation restricting portion 33A is rearward. The protrusion width in the left-right direction is formed so as to gradually become narrower toward the center, and the overlap width (overlap margin) between the first rotation restricting portion 33A and the engaging portion 28 is the engaging portion. It is comprised so that it may become the same width over the longitudinal direction of 28.

The second rotation restricting portion 33B extends obliquely downward from the boss 44 on the inner surface of the upper end tool 7 along the engaging portion 28 in the storage posture of the tray 4, and has a long protrusion in the vertical direction. Is formed.
As shown in FIGS. 9 and 11, the second rotation restricting portion 33 </ b> B is located on the front side of the engaging portion 28 in the storage posture of the tray 4, and the protruding side faces the engaging portion 28 in the front-rear direction. So that they overlap in front view. As a result, the rotation of the tray 4 in the unfolding direction X is restricted, the tray 4 is held in the storage posture, and the tray 4 is prevented from swinging when the stepladder 1 is moved in the state where the tray 4 is in the storage posture. Can be prevented.

Then, when the grip portion 25 of the tray 4 is gripped and the tray 4 is forcibly rotated from the stowed position in the deployment direction X, the tray 4 is elastically deformed so that the engaging portion 28 is in the second rotation. The vehicle moves over the movement restricting portion 33B and moves away from the second rotation restricting portion 33B toward the developing direction X, and the posture changing operation of the tray 4 is allowed.
As shown in FIG. 10, since the gap between the inner surface of the upper end tool 7 and the side surface of the tray 4 gradually increases in the storage posture of the tray 4, the second rotation restricting portion 33B is The protrusion width in the left-right direction gradually increases as it goes to the position, and the overlap width (overlap margin) between the second rotation restricting portion 33B and the engaging portion 28 is the engaging portion 28. It is comprised so that it may become the same width over the longitudinal direction.

Further, on the inner side surface 7a of the upper end tool 7, a rib wall 49 extending downward from the lower surface of the rear portion of the first stopper portion 46, and a second stopper portion 47 extending rearward from the lower end of the second rotation restricting portion 33B. And a rib wall 50 connected to the lower end side.
The upper end tool 7 of the said structure is integrally formed with resin.
In the stepladder 1 with a tray having the above-described configuration, the engaging portion 28 and the rotation restricting portion 33 are both formed in a ridge, but one of the engaging portion 28 and the rotation restricting portion 33 is formed in a concave shape that fits the other. It may be formed.

2 Lifting legs 3 Support legs 4 Tray 5 Post 6A Treading member (treading plate)
6B Stepping member
7 Upper end tool 28 Engaging portion 33A First rotation restricting portion 33B Second rotation restricting portion 46 First stopper portion 47 Second stopper portion

Claims (4)

A front elevating leg (2) comprising a step member (6) between a pair of left and right struts (5), and a rear supporting leg (3) for supporting the elevating leg (2); With
One end side of the tray (4) is disposed on the upper end side between the left and right support columns (5), and the one end side of the tray (4) is supported so as to be rotatable around the left and right axis.
The tray (4) can be freely changed between a use posture extending rearward from between the upper end sides of the left and right support columns (5) and a storage posture along the support column (5), and rotated upward from the use posture. By moving it, you can change the posture to the storage posture,
A rotation restricting portion (33) is provided on the upper end side of the column (5), and the posture changing operation of the tray (4) is restricted by engaging the rotation restricting portion (33) in the use posture and the storage posture. In addition, the tray (4) is provided with an engaging portion (28) that allows the posture change operation of the tray (4) to be removed from the rotation restricting portion (33) by forcibly turning the tray (4). A stepladder with a tray. The lifting / lowering leg (2) includes an upper end tool (7) provided on the upper end side of each of the left and right support columns (5), and the upper end tool (7) rotatably supports the tray (4).
On the inner side surface (7a) in the left-right direction of the upper end tool (7), the rotation restricting portion (33) and the first stop to turn in the direction (X) of turning from the storage posture to the use posture in the use posture. 1 stopper portion (46) and a second stopper portion (47) for stopping rotation in the direction (Y) of rotating from the use posture to the storage posture in the storage posture,
The stepladder with a tray according to claim 1, wherein the engaging portion (28) is provided on a side surface (4a) of the tray (4). The engaging portion (28) is formed as a protrusion protruding outward in the left-right direction from the side surface (4a) of the tray (4) and long in the front-rear direction in the use posture of the tray (4),
The rotation restricting portion (33) includes a first rotation restricting portion (33A) for restricting the rotation of the tray (4) to the storage posture in the use posture, and the use posture of the tray (4) in the storage posture. A second rotation restricting portion (33B) for restricting the rotation of
The first rotation restricting portion (33A) is formed in a ridge that protrudes inward in the left-right direction from the inner surface of the upper end tool (7) and that extends along the engaging portion (28) in the use posture of the tray (4).
The second rotation restricting portion (33B) is formed on a ridge that protrudes inward in the left-right direction from the inner surface of the upper end tool (7) and extends along the engaging portion (28) in the storage posture of the tray (4). The stepladder with a tray according to claim 1 or 2, wherein the stepladder has a tray.   The tray (4) is configured to fit between the left and right struts (5) of the lifting leg (2) so as not to protrude upward from the lifting leg (2) in the stowed position. Item 11. A stepladder with a tray according to any one of Items 1 to 3.

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