CN108725327B - Caravan with foldable steps and method - Google Patents
Caravan with foldable steps and method Download PDFInfo
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- CN108725327B CN108725327B CN201810870679.8A CN201810870679A CN108725327B CN 108725327 B CN108725327 B CN 108725327B CN 201810870679 A CN201810870679 A CN 201810870679A CN 108725327 B CN108725327 B CN 108725327B
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- folding
- leg
- folding leg
- pin
- auxiliary supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/007—Removable steps or ladders, e.g. foldable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Ladders (AREA)
Abstract
The invention discloses a caravan with foldable steps and a method, wherein the caravan comprises a carriage, a carriage door is arranged on the front side surface of the carriage, and the foldable steps are fixedly arranged on a chassis at the position of the carriage door; the foldable step comprises a step fixing seat and an auxiliary bracket; the stepping fixing seat comprises two transverse brackets and two longitudinal brackets, wherein the transverse brackets are fixedly arranged between the two longitudinal brackets and are vertically crossed with the longitudinal brackets; the lower ends of the two longitudinal supports are respectively provided with a first folding leg and a second folding leg, the first folding leg and the second folding leg on the same side form a group, and the two groups of folding legs are symmetrical about the vertical central line of the transverse support; the front end of the lower side of the first folding leg is provided with a leg fixing seat; the supporting leg fixing seat is connected with the auxiliary supporting leg in a rotating mode through a pin shaft. The invention is a pure mechanical structure, and has the advantages of simple structure principle and easy repair after damage; the auxiliary supporting legs can provide enough supporting force when people climb the ladder, and damage to the stepping step due to heavy stress is avoided.
Description
Technical Field
The invention relates to a motor home and a method, in particular to a motor home with foldable steps and a method.
Background
The motor home, also called as 'home on wheels', has two functions of 'house' and 'car', and is a movable vehicle type with essential infrastructure at home. Along with the pursuit of people for outdoor travel life, the annual sales volume of the caravan is gradually increased. However, due to the high chassis of the motor home, people often need to step with the assistance of stepping when entering the carriage. Most of the existing motor home steps are designed in an electric telescopic mode, namely, the bottom of a carriage is provided with a layer of suspended steps, the steps extend outwards through electric control when needing to be used, and the steps retract to the bottom of the carriage are controlled when not needing to be used. The design needs extra electric power and control equipment for control, not only has higher manufacturing cost, but also has the defect that the damage is difficult to repair, and the bottom end of the step is not provided with auxiliary support, so that a heavier person is likely to be damaged due to insufficient supporting force when in use.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a caravan with foldable steps and a method.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a caravan with foldable steps comprises a carriage, wherein the carriage is fixedly arranged on a chassis, and the middle of the lower part of the chassis is connected with wheels through an axle; a carriage door is arranged on the front side surface of the carriage, and a foldable step is fixedly arranged on a carriage bottom plate at the position of the carriage door;
the foldable step comprises a step fixing seat and an auxiliary leg; the stepping fixing seat is fastened and arranged at the lower end of the car bottom plate at the compartment door through screws; the stepping fixing seat comprises two transverse brackets and two longitudinal brackets, wherein the transverse brackets are fixedly arranged between the two longitudinal brackets and are vertically crossed with the longitudinal brackets; the lower ends of the two longitudinal supports are respectively provided with a first folding leg and a second folding leg, the first folding leg and the second folding leg on the same side form a group, and the two groups of folding legs are symmetrical about the vertical central line of the transverse support;
the first folding leg and the second folding leg are equal in length and are both in a sectional type; the first folding leg is divided into two sections with equal length through a tucking screw; the second folding leg is divided into three sections by the tucking screws, and the length of the middle section is twice of that of each section at two sides;
the first folding leg is L-shaped, the upper end of the first folding leg is connected with the front end of the longitudinal support through a tucking screw, and the other end of the first folding leg extends downwards and then bends towards the front side; the second folding leg is Z-shaped, the upper end of the second folding leg is connected with the middle part of the longitudinal support through a tucking screw, the other end of the second folding leg extends downwards, then is bent forwards and laterally and movably connected with the first section of the first folding leg, and then extends downwards and is movably connected with the second section of the first folding leg through a tucking screw;
the front end of the lower side of the first folding leg is provided with a leg fixing seat; the supporting leg fixing seat is connected with the auxiliary supporting leg in a rotating mode through a pin shaft.
The upper end of the auxiliary supporting leg is provided with a spring pin, pin holes are formed in the supporting leg fixing seat in the longitudinal direction and the transverse direction respectively, and the spring pin is arranged in the longitudinal pin hole or the transverse pin hole, so that the auxiliary supporting leg is vertically fixed or transversely folded and stored.
The longitudinal support is fixedly provided with a locking hasp; the middle part of the first section of the second folding leg is provided with an opening fixing pin, and after the foldable step is unfolded, the locking hasp is buckled on the opening fixing pin to realize the stretching and fixing of the whole structure; the front side of the second section of the first folding leg is provided with a tightening fixing pin, and after the foldable step is folded and tightened, the locking hasp is buckled on the tightening fixing pin to realize the folding and fixing of the whole structure.
The foldable step also comprises a pedal; the footboard is two, and two footboards all set up between two sets of folding legs and two footboards are arranged from top to bottom.
The using method of the foldable step comprises the following steps:
when the foldable step needs to be folded and stored: firstly, pressing down a spring pin on an auxiliary supporting leg, folding the two auxiliary supporting legs inwards, and clamping the spring pin with a transverse pin hole on a supporting leg fixing seat when the auxiliary supporting legs are folded to the horizontal direction to realize the folding and fixing of the auxiliary supporting legs; then the locking hasp is pulled to be separated from the opening fixing pin; lifting the pedal upwards, and simultaneously moving the sections of the first folding leg and the second folding leg to the rear side under the traction action of the tucking screw until the first folding leg realizes two-layer folding and the second folding leg realizes three-layer folding; at the moment, the tightening fixing pin moves to the locking hasp, and the locking hasp is buckled on the tightening fixing pin, so that the folded integral structure is fixedly arranged on the vehicle bottom plate;
when the foldable step needs to be unfolded: pulling the locking hasp to separate the locking hasp from the tightening fixing pin; the pedal is pulled downwards, and all sections of the first folding leg and the second folding leg simultaneously move forwards under the traction action of the plug screw until the folding legs are completely unfolded; at the moment, the opening fixing pin moves to the locking hasp, and the locking hasp is buckled on the opening fixing pin to enable the completely-stretched integral structure to be locked and fixed; then the spring pins on the auxiliary supporting legs are pressed down to enable the two auxiliary supporting legs to extend out towards the lower ends; when the auxiliary supporting leg extends to the vertical direction, the spring pin is clamped with the longitudinal pin hole in the supporting leg fixing seat, and the auxiliary supporting leg is locked and fixed.
The invention is a pure mechanical structure, does not need to use other kinetic energy when in use, and has the advantages of simple structure principle, energy conservation and easy repair after damage; and the lower extreme that collapsible was marked time is provided with collapsible supplementary landing leg of accomodating, not only occupation space, receive and release simply, can provide sufficient holding power when people step on the ladder moreover, avoids marking time because of the atress is heavier and damages.
Drawings
Fig. 1 is a schematic view of the overall structure of the foldable step after being unfolded.
Fig. 2 is a schematic view of the overall structure of the foldable pedal after folding.
Fig. 3 is a using state display diagram of the foldable step on the caravan after being unfolded.
Fig. 4 is a using state display diagram on the caravan after the foldable steps are folded.
Fig. 5 is a partially enlarged schematic view of fig. 4.
In the figure: 1. a step fixing seat; 2. a first folding leg; 3. a second folding leg; 4. a pedal; 5. an auxiliary leg; 6. locking the hasp; 7. opening the fixing pin; 8. tightening the fixing pin; 9. a longitudinal support; 10. a transverse bracket; 11. a supporting leg fixing seat; 12. and (5) plugging and screwing screws.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The caravan with the foldable steps shown in fig. 1 comprises a carriage, wherein the carriage is fixedly arranged on a bottom plate, and the middle of the lower part of the bottom plate is connected with wheels through an axle; a carriage door is arranged on the front side surface of the carriage, and a foldable step is fixedly arranged on a carriage bottom plate at the position of the carriage door; the foldable step can be extended outwards when in use, and can be folded and stored to the bottom end of the carriage when not in use, so that the space is not occupied.
The foldable step comprises a step fixing seat 1 and auxiliary supporting legs 5; the step fixing seat 1 is fixedly arranged at the lower end of a vehicle bottom plate at the position of a compartment door through screws; the stepping fixing seat 1 comprises two transverse brackets and two longitudinal brackets, wherein the transverse brackets are fixedly arranged between the two longitudinal brackets and are vertically crossed with the longitudinal brackets; the lower ends of the two longitudinal supports are respectively provided with a first folding leg 2 and a second folding leg 3, the first folding legs 2 and the second folding legs 3 on the same side form a group, and the two groups of folding legs are symmetrical about the vertical center line of the transverse support;
the first folding leg 2 and the second folding leg 3 are equal in length and are both in a sectional type; the first folding leg 2 is divided into two sections with equal length by a tuck screw; the second folding leg 3 is divided into three sections by the tuck screw, and the length of the middle section is twice of that of each section at two sides;
the first folding leg 2 is L-shaped, the upper end of the first folding leg is connected with the front end of the longitudinal support through a tucking screw, and the other end of the first folding leg is bent towards the front side after extending downwards; the second folding leg 3 is Z-shaped, the upper end of the second folding leg is connected with the middle part of the longitudinal support through a tucking screw, the other end of the second folding leg extends downwards, then is bent forwards and laterally and movably connected with the first section of the first folding leg 2, and then extends downwards and is movably connected with the second section of the first folding leg 2 through a tucking screw;
the front end of the lower side of the first folding leg 2 is provided with a leg fixing seat 11; the supporting leg fixing seat 11 is connected with the auxiliary supporting leg 5 in a rotating mode through a pin shaft. The upper end of the auxiliary supporting leg 5 is provided with a spring pin, pin holes are respectively formed in the supporting leg fixing seat 11 in the longitudinal direction and the transverse direction, and the spring pin is arranged in the longitudinal pin hole or the transverse pin hole, so that the auxiliary supporting leg 5 is vertically fixed or transversely folded and stored. This design not only can provide stronger use holding power for people, easy operation, convenience moreover, occupation space after accomodating, the practicality is very strong.
A locking hasp 6 is fixedly arranged on the longitudinal support; the middle part of the first section of the second folding leg 3 is provided with an opening fixing pin 7, and after the foldable step is unfolded, the locking buckle 6 is buckled on the opening fixing pin 7 to realize the extension and fixation of the whole structure; a tightening fixing pin 8 is arranged on the front side of the second section of the first folding leg 2, and after the foldable pedal is folded and tightened, the locking buckle 6 is buckled on the tightening fixing pin 8 to realize folding and fixing of the whole structure, as shown in fig. 2.
The foldable step also comprises a pedal 4; the number of the pedals 4 is two, the two pedals are arranged between the two groups of folding legs, and the two pedals are arranged up and down.
The using method of the foldable step comprises the following steps:
when the foldable step needs to be folded and stored: firstly, pressing down a spring pin on an auxiliary supporting leg 5, folding the two auxiliary supporting legs inwards, and when the auxiliary supporting legs are folded to the horizontal direction, clamping the spring pin with a transverse pin hole on a supporting leg fixing seat 11 to realize the folding and fixing of the auxiliary supporting legs; then the locking hasp 6 is pulled to be separated from the opening fixing pin 7; the pedal 4 is lifted upwards, and the sections of the first folding leg 2 and the second folding leg 3 simultaneously move backwards under the traction action of the tucking screw until the first folding leg 2 realizes two-layer folding and the second folding leg 3 realizes three-layer folding; at the moment, the tightening fixing pin 8 moves to the locking hasp 6, and the locking hasp 6 is buckled on the tightening fixing pin 8, so that the folded integral structure is fixedly arranged on the vehicle bottom plate; the display view of the folded step on the caravan is shown in fig. 3.
When the foldable step needs to be unfolded: pulling the locking hasp 6 to separate from the tightening fixing pin 8; the pedal 4 is pulled downwards, and the sections of the first folding leg 2 and the second folding leg 3 simultaneously move towards the front side under the traction action of the tucking screw until the sections are completely unfolded; at the moment, the opening fixing pin 7 moves to the locking hasp 6, and the whole structure which is completely stretched is locked and fixed by buckling the locking hasp 6 on the opening fixing pin 7; then the spring pin on the auxiliary supporting leg 5 is pressed down to lead the two auxiliary supporting legs to extend out towards the lower end; when the auxiliary supporting leg extends to the vertical direction, the spring pin is clamped with the longitudinal pin hole in the supporting leg fixing seat 11, and the auxiliary supporting leg is locked and fixed. The display view of stepping on the caravan after unfolding is shown in fig. 4 and 5.
Compared with the prior art, the invention has the following advantages:
1) The device is of a pure mechanical structure, does not need to provide additional power supply and power, and has the advantages of simple structure, easy maintenance and energy conservation;
2) The steps are double-layer, can be designed into single-layer or multi-layer according to actual needs, and have strong applicability, and the lower ends of the steps are provided with foldable auxiliary supporting legs, so that the steps can bear heavier weight, have stronger supporting force, are not easy to damage and have longer service life;
3) The operation is simple and convenient, the space is not occupied after the storage, and the practicability is strong.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which may be made by those skilled in the art within the technical scope of the present invention are also within the protective scope of the present invention.
Claims (4)
1. The utility model provides a car as a house with collapsible stepping, includes the carriage, its characterized in that: the carriage is fixedly arranged on the vehicle bottom plate, and the middle of the lower part of the vehicle bottom plate is connected with wheels through an axle; a carriage door is arranged on the front side surface of the carriage, and a foldable step is fixedly arranged on a carriage bottom plate at the carriage door;
the foldable pedal comprises a pedal fixing seat (1) and auxiliary supporting legs (5); the stepping fixing seat (1) is fixedly arranged at the lower end of the bottom plate at the position of the compartment door through screws; the stepping fixing seat (1) comprises two transverse brackets and two longitudinal brackets, wherein the transverse brackets are fixedly arranged between the two longitudinal brackets, and the transverse brackets are vertically intersected with the longitudinal brackets; the lower ends of the two longitudinal supports are respectively provided with a first folding leg (2) and a second folding leg (3), the first folding leg (2) and the second folding leg (3) on the same side form a group, and the two groups of folding legs are symmetrical about the vertical central line of the transverse support;
the first folding leg (2) and the second folding leg (3) are equal in length and are in a sectional type; the first folding leg (2) is divided into two sections with equal length through a tucking screw; the second folding leg (3) is divided into three sections by a tucking screw, and the length of the middle section is twice of that of each section at two sides;
the first folding leg (2) is L-shaped, the upper end of the first folding leg is connected with the front end of the longitudinal support through a tucking screw, and the other end of the first folding leg is bent towards the front side after extending downwards; the second folding leg (3) is Z-shaped, the upper end of the second folding leg is connected with the middle part of the longitudinal support through a tucking screw, the other end of the second folding leg extends downwards and then bends forwards to be movably connected with the first section of the first folding leg (2), and then extends downwards and is movably connected with the second section of the first folding leg (2) through a tucking screw;
the front end of the lower side of the first folding leg (2) is provided with a leg fixing seat (11); the supporting leg fixing seat (11) is rotatably connected with the auxiliary supporting leg (5) through a pin shaft;
a locking hasp (6) is fixedly arranged on the longitudinal support; an opening fixing pin (7) is arranged in the middle of the first section of the second folding leg (3), and after the foldable step is unfolded, the locking hasp (6) is buckled on the opening fixing pin (7) to realize the stretching and fixing of the whole structure; the front side of the second section of the first folding leg (2) is provided with a tightening fixing pin (8), and after the foldable stepping is folded and tightened, the locking hasp (6) is buckled on the tightening fixing pin (8) to realize the folding fixation of the whole structure.
2. The caravan with foldable steps as claimed in claim 1, wherein: the upper end of the auxiliary supporting leg (5) is provided with a spring pin, pin holes are respectively formed in the supporting leg fixing seat (11) in the longitudinal direction and the transverse direction, and the spring pin is arranged in the longitudinal pin hole or the transverse pin hole, so that the auxiliary supporting leg (5) is vertically fixed or transversely folded and stored.
3. The caravan with foldable steps as claimed in claim 2, wherein: the foldable step further comprises a pedal (4); the number of the pedals (4) is two, the two pedals are arranged between the two groups of folding legs, and the two pedals are arranged up and down.
4. The caravan with foldable tread as claimed in claim 3, wherein: the using method of the foldable step comprises the following steps:
when the foldable step needs to be folded and stored: firstly, pressing down a spring pin on an auxiliary supporting leg (5), folding the two auxiliary supporting legs inwards, and when the auxiliary supporting legs are folded to the horizontal direction, clamping the spring pin with a transverse pin hole on a supporting leg fixing seat (11) to realize the folding and fixing of the auxiliary supporting legs; then the locking hasp (6) is pulled to be separated from the opening fixing pin (7); the pedal (4) is lifted upwards, and all sections of the first folding leg (2) and the second folding leg (3) simultaneously move backwards under the traction action of the tucking screw until the first folding leg (2) realizes two-layer folding and the second folding leg (3) realizes three-layer folding; at the moment, the tightening fixing pin (8) moves to the locking hasp (6), and the locking hasp (6) is buckled on the tightening fixing pin (8) to enable the folded integral structure to be fixedly arranged on the vehicle bottom plate;
when the foldable step needs to be unfolded: pulling the locking hasp (6) to separate from the tightening fixing pin (8); the pedal (4) is pulled downwards, and all sections of the first folding leg (2) and the second folding leg (3) simultaneously move forwards under the traction action of the tucking screw until the folding legs are completely unfolded; at the moment, the opening fixing pin (7) moves to the locking hasp (6), and the completely extended integral structure is locked and fixed by buckling the locking hasp (6) on the opening fixing pin (7); then, a spring pin on the auxiliary supporting legs (5) is pressed down to enable the two auxiliary supporting legs to extend out towards the lower ends; when the auxiliary supporting leg extends to the vertical direction, the spring pin is clamped with the longitudinal pin hole in the supporting leg fixing seat (11), and the locking and fixing of the auxiliary supporting leg are achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870679.8A CN108725327B (en) | 2018-08-02 | 2018-08-02 | Caravan with foldable steps and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870679.8A CN108725327B (en) | 2018-08-02 | 2018-08-02 | Caravan with foldable steps and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108725327A CN108725327A (en) | 2018-11-02 |
| CN108725327B true CN108725327B (en) | 2023-02-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870679.8A Active CN108725327B (en) | 2018-08-02 | 2018-08-02 | Caravan with foldable steps and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108725327B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334574B (en) * | 2018-11-30 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | Pedal structure and work vehicle |
| CN112537255B (en) * | 2019-09-20 | 2023-05-09 | 比亚迪股份有限公司 | Pedal assembly and vehicle with same |
| CN110541527B (en) * | 2019-10-09 | 2024-08-09 | 五邑大学 | Foldable wheelchair ramp based on traditional folk house is used |
| CN118461843B (en) * | 2024-07-11 | 2024-10-01 | 厦门扬森数控设备有限公司 | Light portable collapse-preventing folding stair |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108457A (en) * | 1976-08-09 | 1978-08-22 | Dale Garrett | Camper steps |
| CN202863276U (en) * | 2012-10-16 | 2013-04-10 | 青岛欧勃亚汽车配件有限公司 | Secondary electric step plate |
| CN205149675U (en) * | 2015-11-24 | 2016-04-13 | 浙江申腾涂层织物有限公司 | Carriage footboard device |
| CN205186002U (en) * | 2015-11-23 | 2016-04-27 | 湖南三一路面机械有限公司 | Ladder pdeal mechanism and engineering machinery |
| CN106585476A (en) * | 2016-12-29 | 2017-04-26 | 福建毅宏专用汽车有限公司 | Foldable stairs applied to motorhome |
| CN208715095U (en) * | 2018-08-02 | 2019-04-09 | 荣成市名骏户外休闲用品有限公司 | It is a kind of with the foldable caravan marked time |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201170057Y (en) * | 2008-02-26 | 2008-12-24 | 冷鹭浩 | Telescopic mechanism of telescopic ladder |
| US7766357B2 (en) * | 2008-03-27 | 2010-08-03 | Margherita Arvanites | Step assembly for use with a vehicle |
-
2018
- 2018-08-02 CN CN201810870679.8A patent/CN108725327B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108457A (en) * | 1976-08-09 | 1978-08-22 | Dale Garrett | Camper steps |
| CN202863276U (en) * | 2012-10-16 | 2013-04-10 | 青岛欧勃亚汽车配件有限公司 | Secondary electric step plate |
| CN205186002U (en) * | 2015-11-23 | 2016-04-27 | 湖南三一路面机械有限公司 | Ladder pdeal mechanism and engineering machinery |
| CN205149675U (en) * | 2015-11-24 | 2016-04-13 | 浙江申腾涂层织物有限公司 | Carriage footboard device |
| CN106585476A (en) * | 2016-12-29 | 2017-04-26 | 福建毅宏专用汽车有限公司 | Foldable stairs applied to motorhome |
| CN208715095U (en) * | 2018-08-02 | 2019-04-09 | 荣成市名骏户外休闲用品有限公司 | It is a kind of with the foldable caravan marked time |
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| CN108725327A (en) | 2018-11-02 |
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Address after: 264300 Xinglong Road, Rongcheng City, Weihai City, Shandong Province Applicant after: Rongcheng Mingjun outdoor leisure products Co.,Ltd. Address before: 264300 Xinglong Road, Rongcheng City, Weihai City, Shandong Province Applicant before: RONGCHENG MINGJUN OUTDOOR LEISURE PRODUCTS CO.,LTD. |
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