CN219570003U - Mobilizable instrument formula double ladder - Google Patents

Mobilizable instrument formula double ladder Download PDF

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Publication number
CN219570003U
CN219570003U CN202320382637.6U CN202320382637U CN219570003U CN 219570003 U CN219570003 U CN 219570003U CN 202320382637 U CN202320382637 U CN 202320382637U CN 219570003 U CN219570003 U CN 219570003U
Authority
CN
China
Prior art keywords
ladder
movable
tool type
metal shell
pedal
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.)
Active
Application number
CN202320382637.6U
Other languages
Chinese (zh)
Inventor
徐显攀
温翔
刘威
马英芳
于建
李广权
王克强
张小晨
程凯强
马鑫宇
亢士新
李桐
胡欣
卢艳斌
王启乾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Construction First Group Corp Ltd
China Construction Municipal Engineering Corp Ltd
Original Assignee
China Construction First Group Corp Ltd
China Construction Municipal Engineering Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Construction First Group Corp Ltd, China Construction Municipal Engineering Corp Ltd filed Critical China Construction First Group Corp Ltd
Priority to CN202320382637.6U priority Critical patent/CN219570003U/en
Priority to LU504027A priority patent/LU504027B1/en
Application granted granted Critical
Publication of CN219570003U publication Critical patent/CN219570003U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
    • 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
    • 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
    • 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
    • E06C1/397—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 characterised by having wheels, rollers, or runners
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/14—Holders for pails or other equipment on or for ladders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The utility model discloses a movable tool type herringbone ladder, wherein one end of two ladder frames is fixedly connected to the bottom surface of a base plate, the other end of the two ladder frames extends to the bottom surface in an inclined mode, a cross brace is respectively connected between the two ladder frames at the lower side far away from the base plate, so that the two ladder frames and the cross brace form a triangular structure, one end of a pair of vertical columns is vertically fixed at the bottom of the base plate and positioned between the two ladder frames, a middle shaft comprises a metal shell and a rotatable bone shaft at least partially wrapped in the metal shell, the metal shell is fixed at the other end of the vertical column far away from the base plate, the rotatable bone shaft is rotatably arranged in the metal shell, a fixed pedal is fixedly connected with the metal shell and keeps horizontal, a movable pedal is fixedly connected with the rotatable bone shaft and extends upwards in an inclined mode, one end of the movable support is vertically fixed on the movable pedal, and the other end of the movable pedal extends to the bottom surface in an inclined mode. The movable tool type herringbone ladder is automatically controlled by an operator to horizontally move, so that the herringbone ladder is firm and reliable.

Description

Mobilizable instrument formula double ladder
Technical Field
The utility model relates to the technical field of ladders, in particular to a movable tool type herringbone ladder.
Background
A herringbone ladder is a type of climbing tool used for working in space above a plane (such as a roof, a high wall and the like). When in use, the front and rear ladder bars and the ground form a triangle, which looks like a herringbone, so the ladder is visually called a herringbone ladder.
The herringbone ladder has the characteristics of portability, good stability and high strength, and the herringbone ladder manufactured by aluminum alloy is gradually used for replacing the traditional wooden herringbone ladder with the advantages of portability, attractive appearance and durability, and is widely applied to the fields of building engineering, interior decoration, high-altitude photography, storage articles and the like.
However, with the rapid development of various industry fields, the workload of high-altitude space operation is larger and larger, and the requirement of people on the operation function of the climbing tool still cannot be met by the traditional herringbone ladder. For example, the structural style of a traditional herringbone ladder cannot be moved mostly, when the traditional herringbone ladder is used for operation, the herringbone ladder needs to climb again after an area is completed, the herringbone ladder is carried to the next working area, so that the work of operators becomes laborious and tedious along with the carrying of the herringbone ladder, and continuous operation with higher efficiency cannot be maintained.
The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide a movable tool type herringbone ladder which can realize horizontal movement under the control of operators and can also provide more comfortable and safe environment operation environment. Compared with the existing herringbone ladder, the high-altitude space operation is more time-saving and labor-saving.
In order to achieve the above object, the present utility model provides the following technical solutions:
the movable tool type double ladder of the utility model comprises:
the seat board is provided with a plurality of grooves,
a base plate fixedly laid on the bottom surface of the seat plate,
two ladder frames, one end of which is fixedly connected with the bottom surface of the base plate, the other end of which extends to the bottom surface in an inclined way, the two ladder frames form a herringbone ladder structure,
a roller movably arranged at the bottom of the ladder frame,
a cross brace connected between the two ladder frames at the lower side far from the backing plate, so that the two ladder frames and the cross brace form a triangle structure,
a pair of upright posts, one end of which is vertically fixed at the bottom of the base plate and is positioned between the two ladder frames,
a middle shaft, which comprises a metal shell and a rotatable bone shaft at least partially wrapped in the metal shell, wherein the metal shell is fixed at the other end of the upright post far away from the backing plate, the rotatable bone shaft is rotatably arranged in the metal shell,
a fixed pedal fixedly connected with the metal shell, the fixed pedal kept horizontal, a movable pedal fixedly connected with the rotatable bone shaft, the movable pedal extending obliquely upwards,
and one end of the movable supporting frame is vertically fixed on the movable pedal, the other end of the movable supporting frame extends to the bottom surface in an inclined mode, and a braking device is arranged at the bottom of the other end of the movable supporting frame.
In the movable tool type double ladder, the seat plate is of a plate-shaped structure with a horizontal top surface.
In the movable tool type herringbone ladder, the ladder frame comprises,
one end of each diagonal brace is fixedly connected to the bottom surface of the base plate, the other end of each diagonal brace extends obliquely towards the ground,
a longitudinal support having a top surface connected to the other ends of the pair of diagonal braces and a bottom surface connected to the roller,
a plurality of steps, it distributes between backing plate and vertical support, step both ends are connected between a pair of bracing.
In the movable tool type herringbone ladder, the longitudinal support, the pair of diagonal braces and the base plate form a parallelogram structure.
In the movable tool type herringbone ladder, one end of the angle brace is connected with the inclined strut at an angle of 45 degrees, and the other end of the angle brace is connected with the longitudinal support at an angle of 45 degrees.
In the movable tool type double ladder, the movable support comprises,
one end of each inclined stay rod is vertically and fixedly connected with the movable pedal, the other end of each inclined stay rod extends obliquely towards the ground and is provided with a braking device,
and a plurality of reinforcing supports, both ends of which are connected between a pair of inclined struts.
In the movable tool type herringbone ladder, the braking device is an arc rubber friction block.
In the movable tool type herringbone ladder, the metal shell is used for half-wrapping the rotatable bone shaft.
In the movable tool type herringbone ladder, the height of the upright post is not less than 1/5 of the height of the seat plate.
In the movable tool type herringbone ladder, the fixed pedals horizontally extend into the ladder frame.
In the technical scheme, the movable tool type herringbone ladder provided by the utility model has the following beneficial effects: the mobilizable instrument type double ladder can realize all kinds of high place space operators and operate the demand that the double ladder moved by oneself, has saved frequent carrying double ladder's loaded down with trivial details process, has improved operator's work efficiency, has reduced in the traditional high place space operation flow, causes consumption, the waste in the manpower because of carrying the double ladder. The self-weight-reducing steel plate has the characteristics of light weight, high strength and good corrosion resistance, and is simple in structure, low in cost and durable. Can meet the safety requirements of various high-altitude operations on climbing tools. On the premise of ensuring the overall stability of the structure to be firm and reliable, a seat board and a pedal are additionally arranged. Compared with the traditional herringbone ladder which mostly needs an operator to stand on steps to perform work, the utility model can enable the operator to sit on the additionally arranged seat plate stably, foot the pedal, and perform high-altitude work in a safer and more stable posture. The situation that the climbing tool is unstable due to the large-amplitude action of a worker in the operation process is avoided. The climbing device can be suitable for the development requirement of climbing tools, and the use of the climbing device reduces the labor capacity of workers.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic view of a movable tool type herringbone ladder according to an embodiment of the present utility model.
Fig. 2 is a schematic top view of a movable tool type herringbone ladder according to an embodiment of the present utility model.
Fig. 3 is a schematic view of the structure of a movable tool type herringbone ladder according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, in one embodiment, a movable tool type herringbone ladder of the present utility model includes,
the seat plate 1 is provided with a plurality of grooves,
a backing plate 15 fixedly laid on the bottom surface of the seat plate 1,
two ladder frames, one end of which is fixedly connected with the bottom surface of the backing plate 15, the other end of which extends to the bottom surface in an inclined way, the two ladder frames form a herringbone ladder structure,
a roller 5 movably arranged at the bottom of the ladder frame,
a cross brace 6 connected between the two ladder frames at the lower side remote from the backing plate 15, respectively, such that the two ladder frames and the cross brace 6 form a triangular structure,
a pair of upright posts 13, one ends of which are vertically fixed to the bottom of the pad 15 and located between the two ladder frames,
a central shaft 11 comprising a metal housing and a rotatable bone shaft at least partially enclosed in said metal housing, said metal housing being fixed to the other end of said upright 13 remote from the backing plate 15, the rotatable bone shaft being rotatably built in the metal housing,
a stationary pedal 12 fixedly connected to the metal housing and the stationary pedal 12 is kept horizontal,
a movable pedal 14 fixedly coupled to the rotatable bone shaft and extending obliquely upward from the movable pedal 14,
and one end of the movable support is vertically fixed on the movable pedal 14, the other end of the movable support extends to the bottom surface in an inclined mode, and a braking device 7 is arranged at the bottom of the other end of the movable support.
In the preferred embodiment of the movable tool type double ladder, the seat plate 1 has a plate-like structure with a horizontal top surface.
In a preferred embodiment of the mobile tool type double ladder, the ladder frame comprises,
a pair of diagonal braces 2, one end of which is fixedly connected to the bottom surface of the backing plate 15, the other end of which extends obliquely towards the ground,
a longitudinal support 8 having a top surface connected to the other ends of the pair of diagonal braces 2, a bottom surface of the longitudinal support 8 being connected to the roller 5,
a plurality of steps 3 distributed between the pad 15 and the longitudinal supports 8, the steps 3 being connected at both ends between a pair of diagonal braces 2.
In the preferred embodiment of the mobile tool type double ladder, the longitudinal supports 8, the pair of diagonal braces 2 and the pad 15 form a parallelogram structure.
In the preferred embodiment of the mobile tool type double ladder, the gusset 4 is connected to the diagonal brace 2 at an angle of 45 ° at one end and to the longitudinal support 8 at an angle of 45 °.
In a preferred embodiment of the mobile tool type double ladder, the mobile support comprises,
a pair of inclined stay bars 10, one ends of which are vertically and fixedly connected to the movable pedal 14, and the other ends of which extend obliquely toward the ground and are provided with a braking device 7,
a plurality of reinforcing struts 9, both ends of which are connected between a pair of inclined struts 10.
In the preferred embodiment of the movable tool type herringbone ladder, the braking device 7 is an arc-shaped rubber friction block.
In a preferred embodiment of the mobile tool type herringbone ladder, the metal casing half-wraps the rotatable shaft.
In the preferred embodiment of the movable tool type double ladder, the height of the upright 13 is not less than 1/5 of the height of the seat plate 1.
In the preferred embodiment of the movable tool type double ladder described, the fixed tread 12 extends horizontally in the ladder frame.
In one embodiment, the movable tool type herringbone ladder comprises a main structural frame, a reinforcing component and a moving device, an operator only needs to sit on a seat plate 1 arranged at the top end of the herringbone ladder, two feet respectively pedal on pedals on two sides, and an oblique force is applied downwards by stepping on the moving pedal 14 and is converted into a power load in the horizontal direction under the transmission of the moving device, so that the tire is driven to move in the horizontal direction, and the herringbone ladder is automatically controlled by the operator to move horizontally. Preferably, the main structure frame is respectively composed of a seat board 1, an inclined strut 2, a step 3, a longitudinal support 8, a middle shaft 11, a fixed pedal 12 and a stand column 13. The reinforcing component consists of a gusset 4, a transverse brace 6, a reinforcing support 9 and a backing plate 15, and the moving device consists of a roller 5 of a rubber tyre, a rubber braking device 7, a moving support and a moving pedal 14. The seat board 1, the base plate 15, the diagonal braces 2, the steps 3, the upright posts 13 and the longitudinal supports 8 are all in full-welded connection, so that the whole structure is firm and reliable.
In one embodiment, the central shaft 11 is constructed of a metal housing, which is a fixed member, and a rotatable bone shaft that should leave a rotatable space within the envelope of the metal housing. The metal shell is welded and fixed on the upright post 13 and is connected with the fixed pedal 12 in a full-welded mode. The rotatable shaft is built in a metal housing which only half wraps the rotatable shaft in order to ensure that the rotatable shaft is welded securely to the movable pedal 14 and does not affect the braking distance. The fixed pedal 12 is connected with the inclined strut 2 and the metal shell of the middle shaft 11 in a full-welded mode. The movable pedal 14 is welded on the rotatable bone shaft of the central shaft 11 and is connected with the through hole of the movable device component so as to ensure the flexible control of the movable supporting frame.
In one embodiment, the utility model can meet the working height of 1.5-1.8m, and the specification and the size of each component can be changed according to the requirement of the actual working height. However, in order to ensure the overall stability of the structure and ensure that the supporting strength meets the requirement of high-altitude space operation, the diagonal brace 2 and the transverse brace 6 are connected at an angle of 45 degrees; the height of the upright posts 13 is not less than 1/5 of the working height; the angle brace 4 is connected with the diagonal brace 2 and the longitudinal support 8 at an angle of 45 degrees respectively. The diagonal braces 2, the longitudinal braces 8, the transverse braces 6 and the upright posts 13 are main holding force structures, and the cross section size of the main holding force structures is not smaller than 30mm multiplied by 30mm.
In order to ensure good overall stability of the herringbone ladder in the moving process, the friction coefficient of the components contacted with the ground is increased by adopting the roller 5 and the rubber brake device 7 of the rubber tire, and the actual tire width is not less than 50mm. The main structural frame and the reinforcing component are made of aluminum alloy materials, and the reinforced plastic composite material has the characteristics of low density, high strength, corrosion resistance and low manufacturing cost. The size and the installation position adopted by the utility model are not fixed, and proper materials can be selected for processing and assembling according to the actual conditions on site.
Finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments of the present utility model and, based on the embodiments herein, all other embodiments that may be made by those skilled in the art without the benefit of the present disclosure are intended to be within the scope of the present utility model.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. A movable tool type herringbone ladder, comprising:
the seat board is provided with a plurality of grooves,
a base plate fixedly laid on the bottom surface of the seat plate,
two ladder frames, one end of which is fixedly connected with the bottom surface of the base plate, the other end of which extends to the bottom surface in an inclined way, the two ladder frames form a herringbone ladder structure,
a roller movably arranged at the bottom of the ladder frame,
a cross brace connected between the two ladder frames at the lower side far from the backing plate, so that the two ladder frames and the cross brace form a triangle structure,
a pair of upright posts, one end of which is vertically fixed at the bottom of the base plate and is positioned between the two ladder frames,
a middle shaft, which comprises a metal shell and a rotatable bone shaft at least partially wrapped in the metal shell, wherein the metal shell is fixed at the other end of the upright post far away from the backing plate, the rotatable bone shaft is rotatably arranged in the metal shell,
a fixed pedal fixedly connected with the metal shell and kept horizontal,
a movable pedal fixedly connected to the rotatable bone shaft and extending obliquely upward,
and one end of the movable supporting frame is vertically fixed on the movable pedal, the other end of the movable supporting frame extends to the bottom surface in an inclined mode, and a braking device is arranged at the bottom of the other end of the movable supporting frame.
2. The movable tool type double ladder of claim 1, wherein the seat pan is a plate-like structure having a horizontal top surface.
3. The mobile tool type double ladder of claim 1, wherein the ladder frame comprises,
one end of each diagonal brace is fixedly connected to the bottom surface of the base plate, the other end of each diagonal brace extends obliquely towards the ground,
a longitudinal support having a top surface connected to the other ends of the pair of diagonal braces and a bottom surface connected to the roller,
a plurality of steps, it distributes between backing plate and vertical support, step both ends are connected between a pair of bracing.
4. A movable tool type double ladder according to claim 3, wherein the longitudinal support, the pair of diagonal braces and the pad form a parallelogram structure.
5. A movable tool type herringbone ladder as claimed in claim 3, wherein the gusset is connected to the diagonal strut at one end at a 45 ° angle and to the longitudinal support at the other end at a 45 ° angle.
6. The mobile tool type double ladder of claim 1, wherein the mobile bracket comprises,
one end of each inclined stay rod is vertically and fixedly connected with the movable pedal, the other end of each inclined stay rod extends obliquely towards the ground and is provided with a braking device,
and a plurality of reinforcing supports, both ends of which are connected between a pair of inclined struts.
7. The movable tool type double ladder of claim 1, wherein the braking device is an arc-shaped rubber friction block.
8. The movable tool type double ladder of claim 1, wherein said metal housing half encloses said rotatable shaft.
9. The movable tool type double ladder of claim 1, wherein the height of the upright is not less than 1/5 of the height of the seat pan.
10. A movable tool type double ladder according to claim 1, characterized in that the fixed tread extends horizontally in the ladder frame.
CN202320382637.6U 2023-03-03 2023-03-03 Mobilizable instrument formula double ladder Active CN219570003U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202320382637.6U CN219570003U (en) 2023-03-03 2023-03-03 Mobilizable instrument formula double ladder
LU504027A LU504027B1 (en) 2023-03-03 2023-04-21 Movable tool-type herringbone ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320382637.6U CN219570003U (en) 2023-03-03 2023-03-03 Mobilizable instrument formula double ladder

Publications (1)

Publication Number Publication Date
CN219570003U true CN219570003U (en) 2023-08-22

Family

ID=87667462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320382637.6U Active CN219570003U (en) 2023-03-03 2023-03-03 Mobilizable instrument formula double ladder

Country Status (2)

Country Link
CN (1) CN219570003U (en)
LU (1) LU504027B1 (en)

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LU504027B1 (en) 2023-10-23

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