WO2022162697A1 - System to stabilise a load in a moving vehicle - Google Patents

System to stabilise a load in a moving vehicle Download PDF

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Publication number
WO2022162697A1
WO2022162697A1 PCT/IN2022/050069 IN2022050069W WO2022162697A1 WO 2022162697 A1 WO2022162697 A1 WO 2022162697A1 IN 2022050069 W IN2022050069 W IN 2022050069W WO 2022162697 A1 WO2022162697 A1 WO 2022162697A1
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WO
WIPO (PCT)
Prior art keywords
frame
platform
load
counterweight
motor assembly
Prior art date
Application number
PCT/IN2022/050069
Other languages
French (fr)
Inventor
Ashutosh MAHINDRU
K S Ramanujan
Nirad Jaiyant RAMBRATSINGH
Willem ZWETSLOOT
Original Assignee
Mahindru Ashutosh
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 Mahindru Ashutosh filed Critical Mahindru Ashutosh
Publication of WO2022162697A1 publication Critical patent/WO2022162697A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/12—Hotels or restaurants

Definitions

  • the invention is for a levelling system to stabilise any load in a moving vehicle and more particularly, to stabilise the components of a mobile kitchen such that the quality, integrity and hygiene of the food are preserved and spillage or wastage that may result from making the food in transit are prevented.
  • Any load in a moving vehicle is subjected to many forces such as resulting from road unevenness, potholes and other road conditions, horizontal motions and shocks resulting from accelerating, breaking, and steering behaviour of the driver, and pan and roll motions and shocks resulting from hills, ramps, and deflections on the road as well as the steering behaviour of the driver, and so on.
  • the components of a mobile kitchen such as the cooking apparatus, and the food being made therein, would also be subjected to such forces, which result in spillage and wastage, as well as cause the food to lose its integrity, texture and raise hygiene issues.
  • a standard vehicle onto which a mobile kitchen would be mounted would comprise a suspension system, it is insufficient to the task of stabilising the mobile kitchen or part thereof.
  • the invention is for a levelling system to stabilise the components or parts of a mobile kitchen mounted on a vehicle and more generally, to stabilise any load in a moving vehicle.
  • the levelling system as per the present invention operates independent of the suspension system of the vehicle.
  • This novel levelling system stabilises the different components or parts of a mobile kitchen where food is made in transit, avoiding any spillage, wastage or spoilage as well as preserving the integrity, texture, and hygiene of the food.
  • the system envisaged comprises a platform holding the load.
  • the platform and the load thereon are stabilised by a combination of a first frame that is fixed, a second frame that can rotate around two axes by means of motor assemblies, an accelerometer to control the motor assemblies.
  • the platform and the load thereon are stabilised by adjustable counterweight assemblies.
  • the platform and the load thereon are stabilised by a combination of both the above alternatives.
  • Figure 1 is an illustrative representation of the system envisaged as per the present invention.
  • the term “food” includes any substance capable of consumption/ingestion by humans and domestic animals, including without limitation, beverages/liquids, baked goods, and pizzas.
  • the term “making”, in the context of food, refers to all steps taken to fulfil an order for food, including any initial preparation of the ingredients, the actual cooking/baking and any finishing touches to be added.
  • the term “cooking” includes all techniques and methods/processes for the preparation of food, including combining, mixing, cooling, freezing, heating, baking, and frying.
  • kitchen is broadly intended to cover any room or area where food is prepared or cooked or packed and includes any intervening steps.
  • the term “fleet” includes both a single and multiple vehicle/locomotive/transportation device.
  • the term “just-in-time” means being ready just at the arrival at the destination or a short time prior to arriving at the destination.
  • the X-Y-Z frame depicted in Figure 1 is the internal frame of reference, with X-axis being along the terrestrial gravitational field.
  • the system 500 is an independent unit on which different loads can be stabilised. For instance, a cooking system within a mobile kitchen mounted within the cargo area of a light commercial vehicle (not show in figure) may be stablished on system 500.
  • the system 500 operates independent on the suspension system of the vehicle.
  • the system 500 comprises a first frame 505 constructed out of a suitable material that is mounted vertically with the X axis.
  • This first frame 505 is suitably affixed to the floor of the mobile kitchen using a fixing arrangement 506, which could employ any appropriate means.
  • the fixing arrangement could be such that the entire levelling system (500) can be removable, if needed.
  • the fixing arrangement 506 may also comprise shock absorbers.
  • a first geared motor assembly 516 is mounted on this first frame 505 and a second frame 507 is connected to this motor shaft through a set of bearings 522 so as to enable the geared motor assembly to rotate the second frame 507 about the Y axis with the rotation movement freedom shown as 532.
  • a platform 501 To this second frame 507 is fitted a platform 501.
  • the platform 501 is to hold the load 140 that is to be maintained stable independent of the vehicle/mobile kitchen.
  • the object 540 could be, as an example, a cooking apparatus that is to be made operational in a moving vehicle.
  • This platform 501 can move rotationally on the Z axis.
  • a second geared motor 515 assembly is fitted to the second frame 507 with a set of bearings 509 and shaft 510. This geared motor assembly 515 can rotate the second frame 507 about the Z axis with the rotation movement freedom shown as 537.
  • This composite mechanical assembly of the two geared motors 515 and 516 along with the two frames 507 and 501 has effectively two degrees of rotational freedom, i.e., about the Z axis and the Y axis.
  • Each of the motor assemblies can comprise one or more motors.
  • the system 500 comprises an accelerometer module 525 operable across 2-axes or more.
  • 525 is mounted rigidly to the platform 501.
  • said accelerometer is shown as being fitted to the top side of the stabilized platform 501.
  • 525 is mounted at the intersection of the axes of rotation (537, 532) of the platform 501.
  • 525 could be positioned outside of the system 500.
  • 525 may be mounted on an independent plumb line as known in the art (not shown in Figure), which has the same relative motion as the load 540.
  • 525 will provide electrical outputs to the motor assemblies 515 and 516, controlling their rotational movement. This is achieved through appropriate means that supply current to the motors within the respective motor assemblies to provide torque, in the appropriate direction, to counter any disturbance. The torque so enabled in the motors would vary depending on the extent of the disturbance.
  • Such appropriate means include servo-amplifiers.
  • stops are provided such that there is a limit to the compensation provided.
  • the geared motor assemblies 515 and 516 can be configured to have a maximum rotation of +/- 15 degrees as a limit for compensation.
  • the typical climb angle for vehicular movement is near 11 - 12 degrees and so an end stop setting of 15 degrees is chosen, as an example.
  • the second frame 507 is provided with a counterweight arrangement comprising a shaft 511 and a counterweight 512, such that a pendulum type of movement is possible about the Z- axis (movement 537).
  • Said counterweight 512 is movable and can be clamped/fixed at different heights along the shaft 511. The height/position at which the counterweight 512 is clamping/fixing is adjusted to compensate for the combined weight of 540, 511 and 512, such that the centre of gravity of these combined elements will be below the plane of the rotatable frame 507 (Y-Z plane).
  • the gravitational field will provide an inherent restoring force to balance the second frame back to the Y -Z plane by way of the pendulum swing of the counterweight assembly.
  • the composite structure forms a two- axes pendulum arrangement with independent freedom of movement about the Y and Z axes.
  • the system 500 may comprise the motor assemblies 515, 516, along with the 3 -axes accelerometer and the counterweight assemblies as envisaged above.
  • the combined assemblies restore the platform to the stabilised position at a faster rate as compared to using only the counterweight assemblies as envisaged. This alternative also reduces the load on the motor assemblies, thus reducing costs, size and improving performance.

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  • Business, Economics & Management (AREA)
  • Tourism & Hospitality (AREA)
  • Engineering & Computer Science (AREA)
  • Economics (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Marketing (AREA)
  • Human Resources & Organizations (AREA)
  • Strategic Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Primary Health Care (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Development Economics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Food-Manufacturing Devices (AREA)
  • Manipulator (AREA)

Abstract

The invention is for a levelling system to stabilise any load in a moving vehicle and more particularly, to stabilise the components of a mobile kitchen. This novel levelling system stabilises a load, such as a cooking apparatus of a mobile kitchen where food is made in transit, preventing any spillage, wastage or spoilage of food as well as preserving the integrity, texture, and hygiene of the food. The system envisaged comprises a platform holding the load. The platform and the load thereon are stabilised by a combination of a fixed frame, a second frame that can rotate around two axes by means of motor assemblies, an accelerometer to control the motor assemblies. Alternatively, the platform and the load thereon are stabilised by adjustable counterweight assemblies. As a further alternative, the platform and the load thereon are stabilised by a combination of both the above alternatives.

Description

SYSTEM TO STABILISE A LOAD IN A MOVING VEHICLE
FIELD OF THE INVENTION
The invention is for a levelling system to stabilise any load in a moving vehicle and more particularly, to stabilise the components of a mobile kitchen such that the quality, integrity and hygiene of the food are preserved and spillage or wastage that may result from making the food in transit are prevented.
PRIORITY INFORMATION
This invention claims priority from Indian application no. 202011052139, which among others, refers to systems and processes for making food in transit in a system that operates as a mobile kitchen, wherein all or part of the mobile kitchen are stablished using a levelling system.
SUMMARY
Any load in a moving vehicle is subjected to many forces such as resulting from road unevenness, potholes and other road conditions, horizontal motions and shocks resulting from accelerating, breaking, and steering behaviour of the driver, and pan and roll motions and shocks resulting from hills, ramps, and deflections on the road as well as the steering behaviour of the driver, and so on. The components of a mobile kitchen, such as the cooking apparatus, and the food being made therein, would also be subjected to such forces, which result in spillage and wastage, as well as cause the food to lose its integrity, texture and raise hygiene issues. Although a standard vehicle onto which a mobile kitchen would be mounted would comprise a suspension system, it is insufficient to the task of stabilising the mobile kitchen or part thereof.
The invention is for a levelling system to stabilise the components or parts of a mobile kitchen mounted on a vehicle and more generally, to stabilise any load in a moving vehicle. The levelling system as per the present invention operates independent of the suspension system of the vehicle. This novel levelling system stabilises the different components or parts of a mobile kitchen where food is made in transit, avoiding any spillage, wastage or spoilage as well as preserving the integrity, texture, and hygiene of the food. The system envisaged comprises a platform holding the load. The platform and the load thereon are stabilised by a combination of a first frame that is fixed, a second frame that can rotate around two axes by means of motor assemblies, an accelerometer to control the motor assemblies. Alternatively, the platform and the load thereon are stabilised by adjustable counterweight assemblies. As a further alternative, the platform and the load thereon are stabilised by a combination of both the above alternatives.
BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS
Figure 1 is an illustrative representation of the system envisaged as per the present invention.
DETAILED DESCRIPTION OF THE INVENTION
Those skilled in the art will be aware that the present disclosure is subject to variations and modifications other than those specifically described. It is to be understood that the present disclosure includes all such variations and modifications. The disclosure also includes all such steps, features, materials referred to or indicated in this specification, individually or collectively, and any and all combinations of any or more of such steps or features.
The articles “a”, “an” and “the” are used to refer to one or to more than one (i.e., to at least one) of the grammatical object of the article.
The terms “comprise” and “comprising” are used in the inclusive, open sense, meaning that additional elements may be included. Throughout this specification, unless the context requires otherwise the word “comprise”, and variations, such as “comprises” and “comprising”, will be understood to imply the inclusion of a stated element or step or group of element or steps but not the exclusion of any other element or step or group of element or steps.
The term “including” is used to mean “including but not limited to”. “Including” and “including but not limited to” are used interchangeably.
The term “food” includes any substance capable of consumption/ingestion by humans and domestic animals, including without limitation, beverages/liquids, baked goods, and pizzas. The term “making”, in the context of food, refers to all steps taken to fulfil an order for food, including any initial preparation of the ingredients, the actual cooking/baking and any finishing touches to be added. The term “cooking” includes all techniques and methods/processes for the preparation of food, including combining, mixing, cooling, freezing, heating, baking, and frying. The term "kitchen" is broadly intended to cover any room or area where food is prepared or cooked or packed and includes any intervening steps. The term “fleet” includes both a single and multiple vehicle/locomotive/transportation device. The term “just-in-time” means being ready just at the arrival at the destination or a short time prior to arriving at the destination.
The working and operation of the processes and systems envisaged herein, is described in detail with reference to the accompanying figures. Although the illustrations and figures relate to the implementation of the invention disclosed herein in the context of stabilising the cooking apparatus/system in a mobile kitchen, the invention is not limited to the same and the levelling system of the present invention can be used to stabilise any other system or load within a mobile kitchen and is also not restricted to a mobile kitchen. Although the subject matter has been described in considerable detail with reference to certain examples and implementations thereof, other implementations are possible. As such, the spirit and scope of the invention should not be limited to the description of the examples and implementations contained herein. Figure 1 is an illustrative representation of the system (500) envisaged as per the present invention. The X-Y-Z frame depicted in Figure 1 is the internal frame of reference, with X-axis being along the terrestrial gravitational field. The system 500 is an independent unit on which different loads can be stabilised. For instance, a cooking system within a mobile kitchen mounted within the cargo area of a light commercial vehicle (not show in figure) may be stablished on system 500. The system 500 operates independent on the suspension system of the vehicle.
The system 500 comprises a first frame 505 constructed out of a suitable material that is mounted vertically with the X axis. This first frame 505 is suitably affixed to the floor of the mobile kitchen using a fixing arrangement 506, which could employ any appropriate means. Optionally, the fixing arrangement could be such that the entire levelling system (500) can be removable, if needed. Further optionally, the fixing arrangement 506 may also comprise shock absorbers. A first geared motor assembly 516 is mounted on this first frame 505 and a second frame 507 is connected to this motor shaft through a set of bearings 522 so as to enable the geared motor assembly to rotate the second frame 507 about the Y axis with the rotation movement freedom shown as 532.
To this second frame 507 is fitted a platform 501. The platform 501 is to hold the load 140 that is to be maintained stable independent of the vehicle/mobile kitchen. Typically, the object 540 could be, as an example, a cooking apparatus that is to be made operational in a moving vehicle. This platform 501 can move rotationally on the Z axis. To enable this platform to rotate about the Z axis, a second geared motor 515 assembly is fitted to the second frame 507 with a set of bearings 509 and shaft 510. This geared motor assembly 515 can rotate the second frame 507 about the Z axis with the rotation movement freedom shown as 537. This composite mechanical assembly of the two geared motors 515 and 516 along with the two frames 507 and 501 has effectively two degrees of rotational freedom, i.e., about the Z axis and the Y axis. Each of the motor assemblies can comprise one or more motors.
The system 500 comprises an accelerometer module 525 operable across 2-axes or more. In one option, 525 is mounted rigidly to the platform 501. In this Figure 1 illustration, said accelerometer is shown as being fitted to the top side of the stabilized platform 501. In a preferred option, 525 is mounted at the intersection of the axes of rotation (537, 532) of the platform 501. In another option, 525 could be positioned outside of the system 500. For instance, 525 may be mounted on an independent plumb line as known in the art (not shown in Figure), which has the same relative motion as the load 540. 525 will provide electrical outputs to the motor assemblies 515 and 516, controlling their rotational movement. This is achieved through appropriate means that supply current to the motors within the respective motor assemblies to provide torque, in the appropriate direction, to counter any disturbance. The torque so enabled in the motors would vary depending on the extent of the disturbance. Such appropriate means include servo-amplifiers.
Optionally, to limit the angular movements (532 and 537), stops are provided such that there is a limit to the compensation provided. As an example, the geared motor assemblies 515 and 516 can be configured to have a maximum rotation of +/- 15 degrees as a limit for compensation. The typical climb angle for vehicular movement is near 11 - 12 degrees and so an end stop setting of 15 degrees is chosen, as an example.
In an alternative embodiment, no motors are envisaged. Instead, the second frame 507 is provided with a counterweight arrangement comprising a shaft 511 and a counterweight 512, such that a pendulum type of movement is possible about the Z- axis (movement 537). Said counterweight 512 is movable and can be clamped/fixed at different heights along the shaft 511. The height/position at which the counterweight 512 is clamping/fixing is adjusted to compensate for the combined weight of 540, 511 and 512, such that the centre of gravity of these combined elements will be below the plane of the rotatable frame 507 (Y-Z plane). Thus, when the system 500 is subjected to external forces that may disturb the second frame 507 to deviate from the Y -Z plane (meaning, it is no longer perpendicular to the X-axis), the gravitational field will provide an inherent restoring force to balance the second frame back to the Y -Z plane by way of the pendulum swing of the counterweight assembly. With the counterweight arrangement 511+512 for the Z axis and a similar counterweight for the Y axis (not shown in figure), the composite structure forms a two- axes pendulum arrangement with independent freedom of movement about the Y and Z axes.
In a further alternative embodiment, the system 500 may comprise the motor assemblies 515, 516, along with the 3 -axes accelerometer and the counterweight assemblies as envisaged above. In this alternative, the combined assemblies restore the platform to the stabilised position at a faster rate as compared to using only the counterweight assemblies as envisaged. This alternative also reduces the load on the motor assemblies, thus reducing costs, size and improving performance.
Although the subject matter has been described in considerable detail with reference to certain examples and implementations thereof, other implementations are possible. As such, the spirit and scope of the invention should not be limited to the description of the examples and implementations contained herein.

Claims

CLAIMS I/We claim:
1. A system (500) for stabilising a load (540) mounted on a vehicle with a suspension system, wherein the system functions independent of the suspension system.
2. A system according to claim 1, comprising: a. a first frame (505) suitably fixed to the floor of the vehicle, b. a second frame (507) connected to the first frame through a first motor assembly (516) comprising one or more motors, c. a platform (501) connected to the second frame (507) through a second motor assembly (515) comprising one or more motors, wherein the platform is maintained perpendicular to the terrestrial gravitational field.
3. A system according to claim 2, wherein the first motor assembly (516) can rotate the second frame (507) and the second motor assembly (515) can rotate the platform (501), respectively, about two different axes perpendicular to one another.
4. A system according to claim 2, comprising an accelerometer (525) wherein the accelerometer controls the rotation of the first motor assembly (516) and second motor assembly (515), through appropriate means.
5. A system according to claim 4, wherein the accelerometer is positioned at the intersection of the axes of rotation (537, 532) of the platform.
6. A system according to claim 4, wherein the accelerometer is positioned outside the system such that the accelerometer undergoes the same relative motion as the platform (501).
- 7 -
7. A system according to claim 4, wherein the appropriate means comprises servoamplifiers.
8. A system according to claim 1, comprising: a. a first frame (505) suitably fixed to the floor of the vehicle, b. a second frame (507) connected to the first frame, c. a platform (501) connected to the second frame d. a first counterweight assembly (511 & 512) connected to the second frame, and e. a second counterweight assembly connected to the platform wherein the centre of gravity of the load (540) is maintained above the plane of the second frame (507), and wherein the combined centre of gravity of the load (540) and the first and second counterweight assemblies is maintained below the plane of the second frame (507).
9. A system according to claim 8, wherein: a. the first counterweight assembly and the second counterweight assembly, each comprise a shaft (511) and a counterweight (512), and b. the position of the counterweight is adjustable along the length of the shaft (511).
10. A system according to claim 1, comprising: a. a first frame (505) suitably fixed to the floor of the vehicle, b. a second frame (507) connected to the first frame through a first motor assembly (516) comprising one or more motors,
- 8 - c. a platform (501) connected to the second frame through a second motor assembly (515) comprising one or more motors, d. an accelerometer (525), e. a first counterweight assembly (511 & 512) connected to the second frame, and f. a second counterweight assembly connected to the platform wherein the first motor assembly (516) can rotate the second frame (507) and the second motor assembly (515) can rotate the platform (501), respectively, about two different axes perpendicular to one another, and wherein the combined centre of gravity of the load (540) and the first and second counterweight assemblies is maintained below the plane of the second frame (507), stem according to claim 1, wherein the load comprises a cooking apparatus.
- 9 -
PCT/IN2022/050069 2021-01-30 2022-01-28 System to stabilise a load in a moving vehicle WO2022162697A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202011052139 2021-01-30
IN202011052139 2021-01-30

Publications (1)

Publication Number Publication Date
WO2022162697A1 true WO2022162697A1 (en) 2022-08-04

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ID=82654985

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/IN2022/050069 WO2022162697A1 (en) 2021-01-30 2022-01-28 System to stabilise a load in a moving vehicle
PCT/IN2022/050070 WO2022162698A1 (en) 2021-01-30 2022-01-28 Storage system, robot and dispensing system for kitchens
PCT/IN2022/050073 WO2022162699A1 (en) 2021-01-30 2022-01-29 Process and system for making food in transit and for just-in-time delivery

Family Applications After (2)

Application Number Title Priority Date Filing Date
PCT/IN2022/050070 WO2022162698A1 (en) 2021-01-30 2022-01-28 Storage system, robot and dispensing system for kitchens
PCT/IN2022/050073 WO2022162699A1 (en) 2021-01-30 2022-01-29 Process and system for making food in transit and for just-in-time delivery

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211869226U (en) * 2020-03-05 2020-11-06 常州市莱欧铸造有限公司 Rack conveyer convenient to warehouse entry
CN212368591U (en) * 2020-07-23 2021-01-19 浙江鹿枫户外用品有限公司 Movable kitchen vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6431628B1 (en) * 2000-08-15 2002-08-13 Kbell Pizza Enterprises, L.L.C.A. Mobile pizza kitchen
CA2349889C (en) * 2001-06-08 2011-10-25 Go Simon Sunatori Magnetically hanging spice/sauce dispenser system
JP4942587B2 (en) * 2007-08-29 2012-05-30 サンウエーブ工業株式会社 Kitchen cabinet
US8636167B2 (en) * 2008-08-11 2014-01-28 Louis Hajichristou Self-actuating closure mechanisms for closeable articles
WO2015125017A2 (en) * 2014-02-20 2015-08-27 Mark Oleynik Methods and systems for food preparation in a robotic cooking kitchen
TWI826382B (en) * 2017-07-14 2023-12-21 美商促美股份有限公司 Multi-modal vehicle implemented food preparation, cooking, and distribution systems and methods

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211869226U (en) * 2020-03-05 2020-11-06 常州市莱欧铸造有限公司 Rack conveyer convenient to warehouse entry
CN212368591U (en) * 2020-07-23 2021-01-19 浙江鹿枫户外用品有限公司 Movable kitchen vehicle

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