CN102805468A - Caster for luggage - Google Patents
Caster for luggage Download PDFInfo
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- CN102805468A CN102805468A CN2011101491524A CN201110149152A CN102805468A CN 102805468 A CN102805468 A CN 102805468A CN 2011101491524 A CN2011101491524 A CN 2011101491524A CN 201110149152 A CN201110149152 A CN 201110149152A CN 102805468 A CN102805468 A CN 102805468A
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- castor
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Abstract
The invention provides a caster for a luggage, comprising a rotating connecting component and two parallel rolling wheels. The rotating connecting component and the two parallel rolling wheels are connected with the bottom of the luggage; the rotating connecting component can rotate by 360 degrees relative to the bottom of the luggage; the upper end of the rotating connecting component is connected with the bottom of the luggage; the two rolling wheels are both rotationally connected with the lower end of the rotating connecting component; the rotating connecting component comprises a body and a rotator; the rotator can rotate by 360 degrees relative to the body; the upper end of the body is vertically provided with a first through hole; the rotator is rotationally arranged in the first through hole; the lower end of the body is horizontally provided with a second through hole; and the two rolling wheels are connected with two sides of the second through hole concentrically and rotationally. The rotator is fixed relative to the bottom of the luggage and rotary relative to the body. When the luggage is rotated in situ, the rotator rotates in the body, and the two rolling wheels do not need to be rotated and are fixed in situ, thus, the luggage can be rotated in situ. The technical problems in the prior art that the luggage box occupies a large area when being rotated and can not be rotated in situ are solved.
Description
Technical field
The present invention relates to a kind of luggage case, particularly a kind of castor of luggage case.
Background technology
Big volume can supply to take in multiple articles and extensively used for the person of going out that goes on a long journey (as: traveller, be in harmony public person) luggage case because of inside has; And; Luggage case is equiped with the roller that several contact with ground because of the bottom; And help to have telescopic pull-handle structure setting, in view of the above, so that the user tows luggage case easily.
Luggage case comprises that at the bottom of casing, case top and the case, case is provided with handle in the middle of the top, is provided with castor at the bottom of the case.
At present, general luggage case has only the side at the bottom of the case to be provided with castor, and castor is generally directional wheel; Realize dragging of luggage case through castor, its weak point is: luggage case can not the original place rotates, can only be through being the strong point with a wheel; Another wheel rotates; The area that takies is bigger, but when in the big crowded crowd of the volume of the flow of passengers, rotates in this way and can make troubles.
Summary of the invention
The objective of the invention is to be to provide a kind of castor of luggage case, to solve in the prior art technical problem that area occupied in the luggage case rotation process is big, can not the original place rotate.
For realizing above-mentioned purpose, the technical scheme below the present invention has adopted:
A kind of castor of luggage case; Comprise the parallel roller of rotary connector that connects at the bottom of the case with luggage case with two; Said rotary connector can be with respect to 360 ° of rotations at the bottom of the case, and said rotary connector upper end is connected with at the bottom of the case, and said two rollers are rotatably connected with said rotary connector lower end respectively.
Preferably, said rotary connector comprises main body and rotary body, and said rotary body can 360 ° of rotations with respect to said main body; Said main body upper end vertically is provided with first through hole, and said rotary body is rotatably provided in said first through hole; Said main body lower end horizontally set second through hole, said two rollers are rotatably connected in the said second through hole both sides through a connecting axle with one heart.
Preferably, between said main body upper end and the said main body lower end angle is arranged, said angle is greater than zero and less than 180 degree.
Preferably, said second through hole is arranged with in said main body lower end.
Preferably, the said second through hole both sides are respectively arranged with first groove and second groove, said first groove, second through hole and the second groove three concentric, and said first groove is identical with the said second groove size.
Preferably, the groove of said first groove and said second groove footpath is greater than the aperture of said second through hole.
Preferably, said two roller inboards are convexly equipped with first projection and second projection respectively, and said first projection is arranged in said first groove, and said second projection is arranged in said second groove.
Preferably, the said two rollers outside is provided with an enclosing cover respectively, and said enclosing cover is detachably connected on the said roller outside.
Preferably, said enclosing cover is recessed puts in the said roller outside, said enclosing cover and said roller clamping.
Preferably, said rotary body and connecting axle are respectively the cylindrical thread securing member that has internal thread and smooth outer surface of two ends hollow.
Owing to adopted above technical characterictic, made the present invention have following advantage and good effect than prior art:
The present invention provides a kind of castor of luggage case; Castor can 360 ° of rotations at the bottom of with respect to case; Realized luggage case can the original place 360 ° rotation; Solved the technical problem that in crowded crowd, can not change area occupied and easily luggage case rotated, in addition, this castor also comprises following advantage:
The first, this castor adopts two rollers, has increased the stable row of luggage case;
The second, two enclosing covers of this castor clamping prevent that it is smooth and easy to have guaranteed that castor rolls in use in the dirty entering castor such as dust, and adopt snap fit to make things convenient for and change enclosing cover at any time;
The 3rd, the diameter of the connecting axle of this castor is little, and the area that rotates when luggage case tilts is smaller; The heat that produces is fewer, simultaneously, because the diameter of the connecting axle of castor is little; Luggage case is when rotating, and is very steady, can not cause unsettled situation to take place because amount of spin is too big;
The 4th, this castor adopts two parallel universal rolling wheels directly to put in the main body, and when moving in turn, the situation that can not occur blocking takes place.
Description of drawings
Fig. 1 is the structural representation of the rotary connector of the castor of a kind of luggage case of the present invention;
Fig. 2 is the structural representation of the roller of the castor of a kind of luggage case of the present invention;
Fig. 3 is the structural representation of the castor of a kind of luggage case of the present invention;
Fig. 4 is the structural representation of application examples 1 of the present invention;
Fig. 5 is the structural representation of application examples 2 of the present invention;
Fig. 6 is the structural representation of application examples 3 of the present invention.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
The present invention provides a kind of castor of luggage case; Comprise the parallel roller 2 of rotary connector 1 with two; Be connected at the bottom of the case of rotary connector 1 and luggage case; Rotary connector 1 can be with respect to 360 ° of rotations at the bottom of the case, and rotary connector 1 upper end is connected with at the bottom of the case, and two rollers 2 are rotatably connected with rotary connector 1 lower end respectively.
Please refer to Fig. 1, in the present invention, rotary connector 1 comprises main body 11 and rotary body 12, and rotary body 12 can 360 ° of rotations with respect to main body 11:
Main body 11 upper ends vertically are provided with first through hole 111, and rotary body 12 is rotatably provided in first through hole 111, in the present embodiment; The cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of rotary body 12 employing two ends hollows, rotary body 12 1 ends connect rotary connector 1; At the bottom of the one end connecting box, and two ends are fastening through the screw fit internal thread; To reach with castor and being connected at the bottom of the case; After the connection, be to be fixedly connected at the bottom of the rotary body 12 relative casees, rotary body 12 relative main bodys 11 are to be rotatably connected;
Main body 11 lower end horizontally sets second through hole 112, main body 11 upper ends and main body 11 lower ends form an angle, this angle greater than zero less than 180 °; Second through hole 112 is arranged on horizontal centre position, main body 11 lower ends; Laterally being arranged with two grooves in main body 11 lower ends, is that first groove 113 and second groove, 114, the first grooves 113 and second groove 114 lay respectively at second through hole, 112 both sides; And three's concentric; First groove 113 is identical with the diameter of second groove 114, and its diameter is much larger than the diameter of second through hole 112, and two rollers 2 are connected in turn in first groove 113, second through hole 112, second groove 114 through a connecting axle 3.
Please refer to 1, Fig. 2 and Fig. 3, in invention, the size specification of two rollers 2 is identical.Two rollers, 2 inboards convex with projection 20 respectively; Be first projection 201 and second projection 202; The diameter of first projection 201 and second projection 202 is slightly less than the diameter of first groove 113 and second groove 114; First projection 201 is arranged in first groove 113, and second projection 202 is arranged in second groove 114, and is fixedly connected through a connecting axle 3.In the present embodiment, connecting axle 3 employing two ends are the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and connecting axle 3 two ends are fastenedly connected through screw 4 again.
Two rollers, 2 outsides are provided with an enclosing cover 21 respectively, and enclosing cover 21 is detachably connected on roller 2 outsides.The multiple mode that is connected with of enclosing cover 21 and roller 2 is as long as satisfy enclosing cover 21 dismountable conditions.As a buckle is set on the enclosing cover 21, corresponding, in the arranged outside of roller 2 bayonet socket is arranged, when connecting, only need the buckle on the enclosing cover 21 be buckled on the bayonet socket in corresponding roller 2 outsides, just connecting moves is accomplished.
Be provided with several castors at the bottom of the case of luggage case, some luggage case is provided with two castors, and some luggage case is provided with four castors, and different according to demand, the castor number of setting also is not quite similar, below the concrete several application example of lifting specify.
Application examples 1
Please refer to Fig. 4, a kind of luggage case 5 comprises at the bottom of casing 52, case top 51 and the case 53; Be provided with handle 511 in the middle of the case top 51, casing 52 1 sides are provided with the layback hand, and casing 52 back are provided with a pumping rod 521; 53 liang of bottom sides, four ends pin place is provided with a castor 531 respectively at the bottom of the case, and these four castors 531 are identical, please refer to Fig. 1, Fig. 2 and Fig. 3; Castor 531 comprises the 1 parallel roller 2 with two that is rotatably connected, and 531 are connected at the bottom of the case of rotary connector 1 and luggage case 5, and rotary connector 1 can be with respect to 53 doing 360 ° of rotations at the bottom of the case; Rotary connector 1 upper end with 53 be connected at the bottom of the case, two rollers 2 are rotatably connected with rotary connector 1 lower end respectively.
Rotary connector 1 comprises main body 11 and rotary body 12, and rotary body 12 can 360 ° of rotations with respect to main body 11:
Main body 11 upper ends vertically are provided with first through hole 111, and rotary body 12 is rotatably provided in first through hole 111, in the present embodiment; Rotary body 12 adopts the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and rotary body 12 1 ends connect rotary connector 1; At the bottom of the one end connecting box 53, and two ends are fastening through the screw fit internal thread; To reach with castor 531 and 53 be connected at the bottom of the case; After the connection, 53 is to be fixedly connected at the bottom of the rotary body 12 relative casees, and rotary body 12 relative main bodys 11 are to be rotatably connected;
Main body 11 lower end horizontally sets second through hole 112, main body 11 upper ends and main body 11 lower ends form an angle, this angle greater than zero less than 180 °; Second through hole 112 is arranged on horizontal centre position, main body 11 lower ends; Laterally being arranged with two grooves in main body 11 lower ends, is that first groove 113 and second groove, 114, the first grooves 113 and second groove 114 lay respectively at second through hole, 112 both sides; And three's concentric; First groove 113 is identical with the diameter of second groove 114, and its diameter unit is greater than the diameter of second through hole 112, and two rollers 2 are connected in turn in first groove 113, second through hole 112, second groove 114 through a connecting axle 3.
In the present invention, the size specification of two rollers 2 is identical.Two rollers, 2 inboards convex with first projection 201 and second projection 202 respectively; The diameter of first projection 201 and second projection 202 is slightly less than the diameter of first groove 113 and second groove 114; First projection 201 is arranged in first groove 113; Second projection 202 is arranged in second groove 114, and is fixedly connected through a connecting axle 3.In the present embodiment, connecting axle 3 adopts the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and connecting axle 3 two ends are fastenedly connected through screw 4 again.
53 fix at the bottom of the rotary body 12 relative casees, and rotary body 12 relative main bodys 11 are rotated, and original place rotating box 52, rotary body 12 rotate in main body 11, and it is as you were need not rotate two rollers, 2, two rollers 2, just can accomplish the original place of casing 52 and rotate.
Application examples 2
Please refer to Fig. 5; A kind of luggage case 6 comprises at the bottom of casing 62, case top 61 and the case 63, is provided with handles in the middle of the case top 61; Casing 62 1 sides are provided with layback hand 621; Casing 62 back are provided with a pumping rod 622, and 63 two ends, wherein bottom side pin is provided with a pair of castor 632 respectively at the bottom of the case, and the two ends pin of another bottom side of 63 is provided with a single castor 631 respectively at the bottom of the case.
Please refer to Fig. 1, Fig. 2 and Fig. 3; Foot wheel 632 comprises the parallel roller 2 with two of rotary connector 1; 63 are connected at the bottom of the case of rotary connector 1 and luggage case 6; Rotary connector 1 can be with respect to 63 doing 360 ° of rotations at the bottom of the case, rotary connector 1 upper end with 63 be connected at the bottom of the case, two rollers 2 are rotatably connected with rotary connector 1 lower end respectively.
Rotary connector 1 comprises main body 11 and rotary body 12, and rotary body 12 can 360 ° of rotations with respect to main body 11:
Main body 11 upper ends vertically are provided with first through hole 111, and rotary body 12 is rotatably provided in first through hole 111, in the present embodiment; Rotary body 12 adopts the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and rotary body 12 1 ends connect rotary connector 1; At the bottom of the one end connecting box 53, and two ends are fastening through the screw fit internal thread; To reach with castor 531 and 53 be connected at the bottom of the case; After the connection, 53 is to be fixedly connected at the bottom of the rotary body 12 relative casees, and rotary body 12 relative main bodys 11 are to be rotatably connected;
Main body 11 lower end horizontally sets second through hole 112, main body 11 upper ends and main body 11 lower ends form an angle, this angle greater than zero less than 180 °; Second through hole 112 is arranged on horizontal centre position, main body 11 lower ends; Laterally being arranged with two grooves in main body 11 lower ends, is that first groove 113 and second groove, 114, the first grooves 113 and second groove 114 lay respectively at second through hole, 112 both sides; And three's concentric; First groove 113 is identical with the diameter of second groove 114, and its diameter unit is greater than the diameter of second through hole 112, and two rollers 2 are connected in turn in first groove 113, second through hole 112, second groove 114 through a connecting axle 3.
In the present invention, the size specification of two rollers 2 is identical.Two rollers, 2 inboards convex with first projection 201 and second projection 202 respectively; The diameter of first projection 201 and second projection 202 is slightly less than the diameter of first groove 113 and second groove 114; First projection 201 is arranged in first groove 113; Second projection 202 is arranged in second groove 114, and is fixedly connected through a connecting axle 3.In the present embodiment, connecting axle 3 adopts the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and connecting axle 3 two ends are fastenedly connected through screw 4 again.
The structure of single castor 631 and the structure of foot wheel 632 are similar, be that single castor 631 comprises a roller, and foot wheel 632 comprise two rollers.Single castor 631 is that with the difference of foot wheel 532 the main body lower end is different, and the main body lower end structure of single castor 631 is fairly simple, and the main body lower end is provided with a wheel seat, and single roller pivots and is connected on this wheel seat.Wheel seat has multiple structure, about the description of wheel seat, does prior art here and handles during prior art has much, does not describe in detail.
When casing 62 was rotated in the original place, 63 fixed at the bottom of the rotary body 12 relative casees, and rotary body 12 relative main bodys 11 are rotated; Rotating box 62, rotary body 12 rotate in main body 11, need not rotate two rollers 2; Roller 2 is as you were, just can accomplish the original place of casing 62 and rotate.
Application examples 3
Please refer to Fig. 6, a kind of luggage case 7 comprises at the bottom of casing 72, case top 71 and the case 73; Be provided with handle 711 in the middle of the case top 72, casing 72 1 sides are provided with the layback hand, and casing 72 back are provided with a pumping rod 721; The pin place, two ends of a wherein bottom side of 73 is provided with a castor 731 respectively at the bottom of the case; The two ends pin of another bottom side at the bottom of the case is provided with a bracing frame 732 respectively, and bracing frame 732 is arranged on 73 lower ends at the bottom of the positive case of casing 72, the effect of its supporting box 72.These two castors 732 are identical; Please refer to Fig. 1, Fig. 2 and Fig. 3, castor 732 comprises and is rotatably connected 1 parallel roller 2 with two; 73 are connected at the bottom of the case of rotary connector 1 and luggage case 7; Rotary connector 1 can be with respect to 73 doing 360 ° of rotations at the bottom of the case, rotary connector 1 upper end with 73 be connected at the bottom of the case, two rollers 2 are rotatably connected with rotary connector 1 lower end respectively.
Rotary connector 1 comprises main body 11 and rotary body 12, and rotary body 12 can 360 ° of rotations with respect to main body 11:
Main body 11 upper ends vertically are provided with first through hole 111, and rotary body 12 is rotatably provided in first through hole 111, in the present embodiment; Rotary body 12 adopts the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and rotary body 12 1 ends connect rotary connector 1; At the bottom of the one end connecting box 53, and two ends are fastening through the screw fit internal thread; To reach with castor 531 and 53 be connected at the bottom of the case; After the connection, 53 is to be fixedly connected at the bottom of the rotary body 12 relative casees, and rotary body 12 relative main bodys 11 are to be rotatably connected;
Main body 11 lower end horizontally sets second through hole 112, main body 11 upper ends and main body 11 lower ends form an angle, this angle greater than zero less than 180 °; Second through hole 112 is arranged on horizontal centre position, main body 11 lower ends; Laterally being arranged with two grooves in main body 11 lower ends, is that first groove 113 and second groove, 114, the first grooves 113 and second groove 114 lay respectively at second through hole, 112 both sides; And three's concentric; First groove 113 is identical with the diameter of second groove 114, and its diameter unit is greater than the diameter of second through hole 112, and two rollers 2 are connected in turn in first groove 113, second through hole 112, second groove 114 through a connecting axle 3.
In the present invention, the size specification of two rollers 2 is identical.Two rollers, 2 inboards convex with first projection 201 and second projection 202 respectively; The diameter of first projection 201 and second projection 202 is slightly less than the diameter of first groove 113 and second groove 114; First projection 201 is arranged in first groove 113; Second projection 202 is arranged in second groove 114, and is fixedly connected through a connecting axle 3.In the present embodiment, connecting axle 3 adopts the cylindrical thread securing member that has internal thread and smooth outer surface (can be other syndeton, present embodiment limit yet) of hollow, and connecting axle 3 two ends are fastenedly connected through screw 4 again.
73 fix at the bottom of the rotary body 12 relative casees, and rotary body 12 relative main bodys 11 are rotated, and original place rotating box 72, rotary body 12 rotate in main body 11, and it is as you were need not rotate two rollers, 2, two rollers 2, just can accomplish the original place of casing 72 and rotate.
More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (10)
1. the castor of a luggage case; It is characterized in that; Comprise the parallel roller of rotary connector that connects at the bottom of the case with luggage case with two; Said rotary connector can be with respect to 360 ° of rotations at the bottom of the case, and said rotary connector upper end is connected with at the bottom of the case, and said two rollers are rotatably connected with said rotary connector lower end respectively.
2. the castor of luggage case as claimed in claim 1 is characterized in that, said rotary connector comprises main body and rotary body, and said rotary body can 360 ° of rotations with respect to said main body; Said main body upper end vertically is provided with first through hole, and said rotary body is rotatably provided in said first through hole; Said main body lower end horizontally set second through hole, said two rollers are rotatably connected in the said second through hole both sides through a connecting axle with one heart.
3. the castor of luggage case as claimed in claim 2 is characterized in that, between said main body upper end and the said main body lower end angle is arranged, and said angle is greater than zero and less than 180 degree.
4. the castor of luggage case as claimed in claim 2 is characterized in that, said second through hole is arranged with in said main body lower end.
5. the castor of luggage case as claimed in claim 2; It is characterized in that; The said second through hole both sides are respectively arranged with first groove and second groove, said first groove, second through hole and the second groove three concentric, and said first groove is identical with the said second groove size.
6. the castor of luggage case as claimed in claim 5 is characterized in that, the groove footpath of said first groove and said second groove is greater than the aperture of said second through hole.
7. like the castor of claim 2 or 5 described luggage cases, it is characterized in that said two roller inboards are convexly equipped with first projection and second projection respectively, said first projection is arranged in said first groove, and said second projection is arranged in said second groove.
8. the castor of luggage case as claimed in claim 2 is characterized in that, the said two rollers outside is provided with an enclosing cover respectively, and said enclosing cover is detachably connected on the said roller outside.
9. the castor of luggage case as claimed in claim 7 is characterized in that, said enclosing cover is recessed to be put in the said roller outside, said enclosing cover and said roller clamping.
10. the castor of luggage case as claimed in claim 2 is characterized in that, said rotary body and connecting axle are respectively the cylindrical thread securing member that has internal thread and smooth outer surface of two ends hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101491524A CN102805468A (en) | 2011-06-03 | 2011-06-03 | Caster for luggage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101491524A CN102805468A (en) | 2011-06-03 | 2011-06-03 | Caster for luggage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102805468A true CN102805468A (en) | 2012-12-05 |
Family
ID=47229473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101491524A Pending CN102805468A (en) | 2011-06-03 | 2011-06-03 | Caster for luggage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102805468A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874411A (en) * | 2017-12-28 | 2018-04-06 | 苏州朦井纺织科技有限公司 | A kind of convenient luggage case wheel stop mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS647031B2 (en) * | 1983-12-27 | 1989-02-07 | Hitachi Chemical Co Ltd | |
| JP4017031B2 (en) * | 2001-11-16 | 2007-12-05 | 株式会社日乃本錠前 | Suitcase casters |
| CN201064253Y (en) * | 2007-06-29 | 2008-05-28 | 唐才良 | Luggage case |
| CN201146930Y (en) * | 2008-01-03 | 2008-11-12 | 万国通路股份有限公司 | Suitcase |
| CN101549617A (en) * | 2008-03-31 | 2009-10-07 | 中山皇冠皮件有限公司 | Wheel set for luggage case |
| CN201504708U (en) * | 2009-10-20 | 2010-06-16 | 上海海琛国际贸易有限公司 | Luggage provided with universal wheels at bottom |
| CN101890877A (en) * | 2010-08-17 | 2010-11-24 | 许昌义 | Gravity brake wheel |
| CN202098229U (en) * | 2011-06-03 | 2012-01-04 | 陈曦 | Caster of luggage carrier |
-
2011
- 2011-06-03 CN CN2011101491524A patent/CN102805468A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS647031B2 (en) * | 1983-12-27 | 1989-02-07 | Hitachi Chemical Co Ltd | |
| JP4017031B2 (en) * | 2001-11-16 | 2007-12-05 | 株式会社日乃本錠前 | Suitcase casters |
| CN201064253Y (en) * | 2007-06-29 | 2008-05-28 | 唐才良 | Luggage case |
| CN201146930Y (en) * | 2008-01-03 | 2008-11-12 | 万国通路股份有限公司 | Suitcase |
| CN101549617A (en) * | 2008-03-31 | 2009-10-07 | 中山皇冠皮件有限公司 | Wheel set for luggage case |
| CN101549617B (en) * | 2008-03-31 | 2010-10-13 | 中山皇冠皮件有限公司 | Wheel set for luggage case |
| CN201504708U (en) * | 2009-10-20 | 2010-06-16 | 上海海琛国际贸易有限公司 | Luggage provided with universal wheels at bottom |
| CN101890877A (en) * | 2010-08-17 | 2010-11-24 | 许昌义 | Gravity brake wheel |
| CN202098229U (en) * | 2011-06-03 | 2012-01-04 | 陈曦 | Caster of luggage carrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874411A (en) * | 2017-12-28 | 2018-04-06 | 苏州朦井纺织科技有限公司 | A kind of convenient luggage case wheel stop mechanism |
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Application publication date: 20121205 |