CN110203263B - Shopping cart convenient for old people to store and take - Google Patents
Shopping cart convenient for old people to store and take Download PDFInfo
- Publication number
- CN110203263B CN110203263B CN201910450185.9A CN201910450185A CN110203263B CN 110203263 B CN110203263 B CN 110203263B CN 201910450185 A CN201910450185 A CN 201910450185A CN 110203263 B CN110203263 B CN 110203263B
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- CN
- China
- Prior art keywords
- frame
- sliding block
- block
- stop block
- locking device
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- 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.)
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- 230000005484 gravity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000029761 vertebral disease Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/002—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by a rectangular shape, involving sidewalls or racks
- B62B3/005—Details of storage means, e.g. drawers, bins or racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
- B62B2206/06—Adjustable or convertible hand-propelled vehicles or sledges adjustable in height
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a shopping cart convenient for old people to store and take, which comprises a cart frame, a storage frame, a driving device and a locking device, wherein the storage frame can be vertically and slidably arranged on the cart frame; the driving device comprises a pulley rotatably arranged at the upper end of the frame, a sliding block vertically and slidably arranged on the frame, a connecting rope with two ends fixedly connected with the sliding block and the storage frame respectively, and a connecting rod fixedly connected with the sliding block; the connecting rope is bridged on the pulley, and the locking device is arranged on the lower frame of the frame; after applying downward acting force to the connecting rod, the connecting driving slide block slides downwards, and when the slide block slides to the locking device, the locking device locks the slide block. The invention has the advantages of simple structure, adjustable height and convenient storage and taking of the old.
Description
Technical Field
The invention relates to a shopping cart, in particular to a shopping cart which is convenient for the old to store and take.
Background
When the old people use property, the old people are used to carry the shopping trolley by themselves. The shopping trolley can be convenient for the old to carry the purchased articles, so that the carrying strength of the old is reduced, and the old can go out to shop conveniently. The prior shopping cart for the old people can not adjust the height of the storage frame according to the needs of the old people at any time, so that the old people can often bend down to store articles into the storage frame or take out articles from the storage frame, the waist burden of the old people is greatly increased, and lumbar diseases are caused.
Disclosure of Invention
The invention aims to solve the problems that the prior shopping cart for the elderly cannot adjust the height of a storage frame according to the needs of the elderly at any time, so that the elderly often bends down to store articles in the storage frame or take out articles from the storage frame, the waist burden of the elderly is greatly increased, lumbar diseases are caused, and the shopping cart is simple in structure, adjustable in height and convenient for the elderly to store and take.
The aim of the invention can be achieved by adopting the following technical scheme:
The shopping cart comprises a cart frame, a storage frame, a driving device and a locking device, wherein the storage frame can be vertically and slidably installed on the cart frame, the driving device is installed on the cart frame, the driving device drives the storage frame to slide in the vertical direction of the cart frame, the storage frame slides to the upper part of the cart frame, and the locking device locks the driving device; the driving device comprises a pulley rotatably arranged at the upper end of the frame, a sliding block vertically and slidably arranged on the frame, a connecting rope with two ends fixedly connected with the sliding block and the storage frame respectively, and a connecting rod fixedly connected with the sliding block; the connecting rope is bridged on the pulley, and the locking device is arranged on the lower frame of the frame; after applying downward acting force to the connecting rod, the connecting driving slide block slides downwards, and when the slide block slides to the locking device, the locking device locks the slide block.
As a preferable scheme, the locking device comprises a first stop block, an elastic piece and a reset rod, wherein the first stop block can be arranged on the frame in a swinging way, the reset rod is fixedly connected to the first stop block, and two ends of the elastic piece are respectively and fixedly connected with the frame and the first stop block; when the sliding block slides downwards and pushes against the first stop block, the first stop block swings downwards and the sliding block continues to slide downwards; when the sliding block slides downwards to be not propped against the first stop block, the elastic piece pulls the stop block to swing upwards, and the first stop block stops the sliding block from sliding upwards; the reset rod drives the first stop block to swing downwards, the first stop block does not block the sliding block, and the sliding block slides upwards under the upward tension of the connecting rope.
As a preferable scheme, the locking device comprises a first stop block, an elastic piece and a pull rod, wherein the pull rod is fixedly connected to the first stop block, and two ends of the elastic piece respectively push against the frame and the first stop block to push out the first stop block and prevent the sliding block from sliding downwards; the pull rod pulls the first stop block to slide towards the direction of the elastic piece, and the first stop block does not block the sliding block to slide downwards.
As a preferable scheme, the sliding block is provided with an automatic fastening device, the automatic pulling device comprises a second stop block and an elastic piece, the second stop block can be arranged on the sliding block in a swinging way, and two ends of the elastic piece are respectively and fixedly connected with the sliding block and the second stop block; when the sliding block slides downwards and the second stop block pushes against the first stop block, the second stop block swings upwards and the sliding block continues to swing downwards; when the second stop block does not press the first stop block, the elastic piece pulls the second stop block to swing downwards, and the second stop block stops the sliding block to slide upwards.
As a preferable scheme, the pulleys are arranged in two and are respectively rotatably arranged on two sides of the frame; the sliding blocks are two and are respectively rotatably arranged on two sides of the frame; and two ends of the connecting rod are fixedly connected with the sliding block respectively.
As a preferable scheme, as a preferable scheme, the frame is provided with a groove in the vertical direction, and the sliding block is slidably sleeved in the groove.
As a preferable scheme, the storage frame is slidably mounted on the frame through a guide rail.
As a preferable scheme, the elastic piece is a torsion spring.
As a preferable scheme, wheels are arranged at the bottom of the frame.
The implementation of the invention has the following beneficial effects:
1. When the vehicle frame is used, the connecting rod drives the sliding block to slide downwards along the vertical direction of the vehicle frame by manually applying downward acting force to the connecting rod. The slider is through connecting the vertical direction upwards sliding of rope pulling storing frame along the frame for the storing frame can be promoted to the position that is fit for the old person high, thereby make things convenient for the old person to place article in the storing frame or get from the storing frame and take article, have simple structure, height-adjustable and convenient to use's advantage, solved present old person shopping cart and can not adjust the height of storing frame according to old person's needs at any time, make old person constantly bow deposit the storing frame or take out article from the storing frame with article, greatly increased old person's waist burden, cause the problem that the appearance of suffering lumbar vertebra disease.
2. When the storage frame is lifted to the highest position, the sliding block slides downwards to the position of the locking device, at the moment, the sliding block can be locked through the locking device, and then the storage frame can be fixed at the highest position, so that the old people do not need to continuously apply downward acting force to the connecting rod, and the old people can conveniently place articles in the storage frame or take articles from the storage frame for a long time, and the use of the old people is facilitated. When the storage frame needs to be lowered, only the locking device needs to be unlocked, the storage frame can slide downwards along the vertical direction of the frame under the action of gravity of the storage frame, and meanwhile the storage frame pulls the sliding block to slide upwards vertically through the connecting rope, so that the unlocking function of the locking device on the sliding block is realized.
3. When the sliding block slides downwards and pushes against the first stop block, the sliding block pushes against the first stop block and slides downwards continuously, and then the first stop block swings reversely under the action of the elastic force of the elastic piece to block the sliding block, so that the sliding block cannot slide upwards, and the storage frame can be lifted to the highest point and fixed. When the storage frame needs to be lowered, the first check block is driven to swing downwards through the swing reset rod, the first check block pushes the sliding block and is separated from the sliding block, the sliding block vertically slides downwards under the pulling force of the connecting rope, and then the storage frame can slide downwards under the action of self gravity.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a shopping cart of the present invention for facilitating storage and retrieval by elderly people;
FIG. 2 is a schematic diagram of the driving device of the shopping cart for facilitating the storage and taking of the old;
FIG. 3 is a schematic view of a connection structure of a locking device of a shopping cart for facilitating storage and taking by the elderly in a locked state;
FIG. 4 is a schematic view of the structure of the locking device of the shopping cart of the present invention for facilitating storage and retrieval by the elderly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 3, the present embodiment relates to a shopping cart for facilitating storage and taking of old people, comprising a cart frame 1, a storage frame 2, a driving device 3 and a locking device 4, wherein the storage frame 2 is vertically slidably installed on the cart frame 1, the driving device 3 is installed on the cart frame 1, the driving device 3 drives the storage frame 2 to slide in the vertical direction of the cart frame 1, and the locking device 4 locks the driving device 3 when the storage frame 2 slides to the upper part of the cart frame 1; the driving device 3 comprises a pulley 31 rotatably arranged at the upper end of the frame 1, a sliding block 32 vertically and slidably arranged on the frame 1, a connecting rope 33 with two ends fixedly connected with the sliding block 32 and the storage frame 2 respectively, and a connecting rod 34 fixedly connected with the sliding block 32; the connecting rope 33 is bridged on the pulley 31, and the locking device 4 is arranged on the lower frame of the frame 1; upon application of a downward force to the link 34, the connecting drive slide 32 slides downward, and the locking device 4 locks the slide 32 as the slide 32 slides to the locking device 4 position.
In use, the link 34 drives the slider 32 to slide downwardly in the vertical direction of the frame 1 by manually applying a downward force to the link 34. The slider 32 pulls the storage frame 2 through connecting rope 33 and upwards slides along the vertical direction of frame 1 for the storage frame 2 can be promoted to the position that is fit for the old person high, thereby make things convenient for the old person to place article in storage frame 2 or get from storage frame 2 in and take article, have simple structure, height-adjustable and convenient to use's advantage, solved present old person shopping cart and can not adjust the height of storage frame 2 according to the needs of old person at any time, make old person often bow deposit article to storage frame 2 or take out article from storage frame 2 in, greatly increased old person's waist burden, cause the problem of suffering from lumbar vertebra disease.
When the storage frame 2 is lifted to the highest position, the sliding block 32 slides downwards to the position of the locking device 4, at this time, the sliding block 32 can be locked by the locking device 4, and then the storage frame 2 can be fixed at the highest position, so that the old does not need to continuously apply downward acting force to the connecting rod 34, and the old can conveniently place articles in the storage frame 2 or take articles from the storage frame 2 for a long time, and the use of the old is easier and more convenient. When the storage frame 2 needs to be lowered, only the locking device 4 is required to be unlocked, the storage frame 2 can slide downwards along the vertical direction of the frame 1 under the action of gravity, and meanwhile, the storage frame 2 pulls the sliding block 32 to slide upwards vertically through the connecting rope 33, so that the unlocking function of the locking device 4 on the sliding block 32 is realized.
As shown in fig. 3 and 4, the locking device 4 includes a first stop 41, an elastic member 40, and a pull rod 42, where the pull rod 42 is fixedly connected to the first stop 41, and two ends of the elastic member respectively press the frame 1 and the first stop 41 to push the first stop 41 out and block the slider 32 from sliding downward; the pull rod 42 pulls the first stop block 41 to slide towards the direction of the elastic member, and the first stop block 41 does not block the sliding block 32 from sliding downwards.
When the slider 32 slides downwards and pushes against the first block 41, the pull rod 42 is pulled to drive the first block 41 to slide towards the direction of the elastic piece, and the first block 41 does not block the slider 32 from sliding downwards. After the sliding block 32 passes through the first stop block 41, the pull rod 41 is released, and the first stop block 41 is reset and sprung out under the action of the elastic force of the elastic piece to stop the sliding block 32 from sliding upwards, so that the storage frame 2 can be lifted to the highest point and fixed. When the storage frame 2 needs to be lowered, the reset rod 42 is pulled again, the first stop block 41 does not block the sliding block from sliding upwards, the sliding block 32 vertically slides downwards under the pulling force of the connecting rope 33, and then the storage frame 2 can slide downwards under the action of self gravity.
The sliding block 32 is provided with an automatic fastening device, the automatic pulling device comprises a second stop block 51 and an elastic piece, the second stop block 51 can be arranged on the sliding block 32 in a swinging way, and two ends of the elastic piece are respectively fixedly connected with the sliding block 32 and the second stop block 51; when the sliding block 32 slides downwards and the second stop block 51 pushes against the first stop block 41, the second stop block 51 swings upwards and the sliding block 32 continues to swing downwards; when the second block 51 does not press against the first block 41, the elastic member pulls the second block 51 to swing downward, and the second block 51 blocks the slider 32 from sliding upward.
When the second stopper 51 presses the first stopper 41, the first stopper 41 pushes the second stopper 51 open, and the second stopper 51 swings upward. Then the second block 51 swings reversely under the elastic force of the elastic member to be fastened to the first block 41, so that the second block 51 and the slider 32 cannot slide upward, and the storage frame 2 can be lifted up to the highest point and fixed. When the storage frame 2 needs to be lowered, the first stop block 41 is driven to swing downwards through the swing reset rod 42, the first stop block 41 pushes against the second stop block 51 and is separated from the second stop block 51, and then the second stop block 51 and the sliding block 32 vertically slide downwards under the pulling force of the connecting rope 33, so that the storage frame 2 can slide downwards under the action of self gravity.
In order to improve the stress uniformity of the storage frame 2 and apply downward acting force to the connecting rod 34 by the elderly, two pulleys 31 are arranged and respectively rotatably installed on two sides of the frame 1; the sliding blocks 32 are two and are respectively rotatably arranged on two sides of the frame 1; the two ends of the connecting rod 34 are fixedly connected with the sliding block 32 respectively.
The vertical direction of the frame 1 is provided with a groove 11, and the sliding block 32 is slidably sleeved in the groove 11. Under the limiting action of the groove 11, the sliding block 32 can only slide along the length direction of the groove 11, namely, the sliding block 32 can be controlled to slide in the groove 11 through the connecting rod 34.
The elastic piece is a torsion spring. The bottom of the frame 1 is provided with wheels 6.
Example 2
In this embodiment, on the basis of embodiment 1, as an improvement of the locking device, the locking device 4 includes a first stop block 41, an elastic member and a reset lever 42, where the first stop block 41 is swingably installed on the vehicle frame 1, the reset lever 42 is fixedly connected to the first stop block 41, and two ends of the elastic member are respectively fixedly connected with the vehicle frame 1 and the first stop block 41; when the slider 32 slides down and presses against the first stopper 41, the first stopper 41 swings down and the slider 32 continues to slide down; when the sliding block 32 slides downwards to be not propped against the first stop block 41, the elastic piece pulls the stop block to swing upwards, and the first stop block 41 stops the sliding block 32 from sliding upwards; the reset lever 42 drives the first stopper 41 to swing downward, the first stopper 41 does not block the slider 32, and the slider 32 slides upward under the upward pulling force of the connection cord 33.
When the sliding block 32 slides downwards and pushes against the first stop block 41, the sliding block 32 pushes against the first stop block 41 and slides downwards continuously, and then the first stop block 41 swings reversely under the elastic force of the elastic piece to block the sliding block 32, so that the sliding block 32 cannot slide upwards, and the storage frame 2 can be lifted to the highest point and fixed. When the storage frame 2 needs to be lowered, the first stop block 41 is driven to swing downwards through the swing reset rod 42, the first stop block 41 pushes the sliding block 32 to be separated from the sliding block 32, the sliding block 32 vertically slides downwards under the pulling force of the connecting rope 33, and then the storage frame 2 can slide downwards under the action of self gravity.
The above disclosure is only a preferred embodiment of the present invention, and it is needless to say that the scope of the invention is not limited thereto, and therefore, the equivalent changes according to the claims of the present invention still fall within the scope of the present invention.
Claims (6)
1. The shopping cart is characterized by comprising a cart frame, a storage frame, a driving device and a locking device, wherein the storage frame can be vertically and slidably arranged on the cart frame, the driving device is arranged on the cart frame, the driving device drives the storage frame to slide in the vertical direction of the cart frame, and the locking device locks the driving device when the storage frame slides to the upper part of the cart frame; the driving device comprises a pulley rotatably arranged at the upper end of the frame, a sliding block vertically and slidably arranged on the frame, a connecting rope with two ends fixedly connected with the sliding block and the storage frame respectively, and a connecting rod fixedly connected with the sliding block; the connecting rope is bridged on the pulley, and the locking device is arranged on the lower frame of the frame; after downward acting force is applied to the connecting rod, the connecting driving sliding block slides downwards, and when the sliding block slides to the locking device, the locking device locks the sliding block;
the locking device comprises a first stop block, an elastic piece and a reset rod, wherein the first stop block can be arranged on the frame in a swinging way, the reset rod is fixedly connected to the first stop block, and two ends of the elastic piece are respectively and fixedly connected with the frame and the first stop block; when the sliding block slides downwards and pushes against the first stop block, the first stop block swings downwards and the sliding block continues to slide downwards; when the sliding block slides downwards to be not propped against the first stop block, the elastic piece pulls the first stop block to swing upwards, and the first stop block stops the sliding block from sliding upwards; the reset rod drives the first stop block to swing downwards, the first stop block does not block the sliding block, and the sliding block slides upwards under the upward tension of the connecting rope;
The pulleys are arranged in two and are respectively rotatably arranged on two sides of the frame; the sliding blocks are two and are respectively rotatably arranged on two sides of the frame; and two ends of the connecting rod are fixedly connected with the sliding block respectively.
2. The shopping cart is characterized by comprising a cart frame, a storage frame, a driving device and a locking device, wherein the storage frame can be vertically and slidably arranged on the cart frame, the driving device is arranged on the cart frame, the driving device drives the storage frame to slide in the vertical direction of the cart frame, and the locking device locks the driving device when the storage frame slides to the upper part of the cart frame; the driving device comprises a pulley rotatably arranged at the upper end of the frame, a sliding block vertically and slidably arranged on the frame, a connecting rope with two ends fixedly connected with the sliding block and the storage frame respectively, and a connecting rod fixedly connected with the sliding block; the connecting rope is bridged on the pulley, and the locking device is arranged on the lower frame of the frame; after downward acting force is applied to the connecting rod, the connecting driving sliding block slides downwards, and when the sliding block slides to the locking device, the locking device locks the sliding block;
The locking device comprises a first stop block, an elastic piece and a pull rod, wherein the pull rod is fixedly connected to the first stop block, and two ends of the elastic piece respectively push against the frame and the first stop block to push out the first stop block and block the sliding block from sliding downwards; the pull rod pulls the first stop block to slide towards the direction of the elastic piece, and the first stop block does not block the sliding block to slide downwards;
The sliding block is provided with an automatic buckling device, the automatic buckling device comprises a second stop block and a second elastic piece, the second stop block can be arranged on the sliding block in a swinging mode, and two ends of the second elastic piece are fixedly connected with the sliding block and the second stop block respectively; when the sliding block slides downwards and the second stop block pushes against the first stop block, the second stop block swings upwards and the sliding block continues to swing downwards; when the second stop block does not press the first stop block, the second elastic piece pulls the second stop block to swing downwards, and the second stop block stops the sliding block from sliding upwards;
The pulleys are arranged in two and are respectively rotatably arranged on two sides of the frame; the sliding blocks are two and are respectively rotatably arranged on two sides of the frame; and two ends of the connecting rod are fixedly connected with the sliding block respectively.
3. The shopping cart for facilitating storage and taking of old people according to claim 1 or 2, wherein the cart frame is provided with a groove in the vertical direction, and the sliding block is slidably sleeved in the groove.
4. The shopping cart for facilitating storage and retrieval of elderly people according to claim 2, wherein said second elastic member is a torsion spring.
5. The shopping cart for facilitating storage and retrieval of elderly people according to claim 1, wherein said storage frame is slidably mounted to the cart frame via guide rails.
6. The shopping cart for facilitating storage and retrieval of elderly people according to claim 1, wherein wheels are provided at the bottom of the cart frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450185.9A CN110203263B (en) | 2019-05-24 | 2019-05-24 | Shopping cart convenient for old people to store and take |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450185.9A CN110203263B (en) | 2019-05-24 | 2019-05-24 | Shopping cart convenient for old people to store and take |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203263A CN110203263A (en) | 2019-09-06 |
| CN110203263B true CN110203263B (en) | 2024-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910450185.9A Active CN110203263B (en) | 2019-05-24 | 2019-05-24 | Shopping cart convenient for old people to store and take |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110203263B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977568B (en) * | 2019-12-15 | 2024-07-12 | 江门市皓丰科技有限责任公司 | Multifunctional shopping cart |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015767A (en) * | 2014-06-16 | 2014-09-03 | 陈科 | Shopping cart with lifting basket |
| CN210793246U (en) * | 2019-05-24 | 2020-06-19 | 广东工业大学 | Shopping cart convenient for storing and taking old people |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200347440Y1 (en) * | 2004-01-03 | 2004-04-08 | 안영신 | The handcart with lifting system |
| JP3106702U (en) * | 2004-07-21 | 2005-01-20 | ユキ子 安室 | Shopping cart |
| US9211899B2 (en) * | 2011-06-25 | 2015-12-15 | Brenda Jo Beauchamp | Shopping cart with folding legs |
| CN203205748U (en) * | 2013-03-27 | 2013-09-18 | 福建省电力有限公司漳州电业局 | Adjustable-balance circuit breaker transfer trolley |
| CN208774836U (en) * | 2018-08-17 | 2019-04-23 | 江苏经贸职业技术学院 | A kind of shopping cart |
-
2019
- 2019-05-24 CN CN201910450185.9A patent/CN110203263B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015767A (en) * | 2014-06-16 | 2014-09-03 | 陈科 | Shopping cart with lifting basket |
| CN210793246U (en) * | 2019-05-24 | 2020-06-19 | 广东工业大学 | Shopping cart convenient for storing and taking old people |
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| Publication number | Publication date |
|---|---|
| CN110203263A (en) | 2019-09-06 |
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