CN106660392A - Performance wagon castor - Google Patents
Performance wagon castor Download PDFInfo
- Publication number
- CN106660392A CN106660392A CN201680002270.3A CN201680002270A CN106660392A CN 106660392 A CN106660392 A CN 106660392A CN 201680002270 A CN201680002270 A CN 201680002270A CN 106660392 A CN106660392 A CN 106660392A
- Authority
- CN
- China
- Prior art keywords
- lower plate
- upper plate
- chassis
- spring
- castor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
- B60B33/0005—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture characterised by mounting method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
- B60B33/0065—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
- B60B33/0065—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis
- B60B33/0068—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis the swivel axis being vertical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Handcart (AREA)
Abstract
A performance wagon castor according to an embodiment of the present invention comprises: an upper plate, which is fixed to the bottom surface of a wagon; and a lower plate, which has one or more wheels provided on the lower portion thereof, and which is coupled to the upper plate to be able to rotate relative thereto, wherein a bearing fixing shaft is provided on the upper surface of the lower plate, a housing is provided on the lower surface of the upper plate so as to surround the bearing fixing shaft, and the upper plate and the lower plate are coupled via a bearing interposed between the bearing fixing shaft and the housing. According to the present invention, by providing a spring ball member, it is possible to supplement the horizontal restoring force, which has been degraded by bearing coupling between the upper plate and the lower plate. Therefore, it is possible to provide a performance wagon castor, which can freely move in any direction, and which can stably move loaded articles, etc. while always remaining forced against the floor regardless of corrugations etc. of the floor.
Description
Technical field
The present invention relates to a kind of performance uses chassis castor, more particularly to one kind to move freely with omnirange, and on ground
Concavo-convex part also can be being adjacent in stable condition the mobile performance chassis castor for loading article etc. on ground all the time.
Background technology
Chassis (Wagon) is one kind utensil made by for the purpose of transporting goods, and can be become at the scene in each field
The transportation means of full-automatic or partial automation, with mobile device, manufactured goods, product etc..For example, when for performing, activity etc.
When, chassis can be used to carry the various equipment that performance needs and goods or even in stage space fitup stage property or people, also
Or chassis is used as in itself fitup.
Fig. 1 shows an example of this chassis 100.
Chassis 100 possesses four wheels 148,150,152,154 and driving implement (driving wheel) 144,146.Wheel 148,150,
152nd, 154 can be the rotary body of castor (caster) or arbitrary other suitable types.
Castor, and can side entirely such as the form of the wheel for being arranged at chassis bottom surface (wheel), to disperse the weight of driving wheel
To movement, so that the movement of chassis is smooth.
Generally, castor be incorporated into by web, the rotary movable for being arranged at chassis bottom surface web car body and
The wheel for being arranged at car body is constituted.
On the other hand, Fig. 6 shows that the castor mechanism of typical existing chassis (logs in special permission 10- equivalent to Korea
No. 0875537 Fig. 6), which use spring mechanism.But, the mechanism structure is complicated, and needs according to loading article
Weight change adjusts spring constant.However, finding out appropriate spring constant not a duck soup, and persistently there is asking for spring vibration
Topic.
The content of the invention
Technical problem
Present invention seek to address that the problems referred to above, it is an object of the invention to provide one kind can be moved freely with omnirange, and
Concavo-convex part on ground also can be being adjacent to all the time in stable condition the mobile performance chassis castor for loading article etc. on ground.
Technical scheme
Performance according to an embodiment of the invention includes upper plate and lower plate with chassis castor.The upper plate is fixed on chassis
Bottom surface;Possesses more than one wheel in the bottom of the lower plate, the lower plate can with the relative rotation be incorporated into the upper plate.
Possess bearing fixing axle above the lower plate, possess the shell around the bearing fixing axle below the upper plate, with
Make the upper plate with the lower plate by being combined with the bearing between the shell between the bearing fixing axle.
Additionally, the performance chassis castor also includes more than one spring ball part, the spring ball part is linking
Recuperability of the lower plate to the horizontal direction of the upper plate is supplemented in the state of the upper plate.
Additionally, the spring ball part includes shock-absorbing spring and ball wheel.The shock-absorbing spring possesses spring and shock absorber,
The shock absorber is located at the spring inner, for absorbing the vibration of the spring;The ball wheel possesses in the shock-absorbing spring
Lower end so that the lower plate maintains the state that can rotate against for the upper plate.
Additionally, the ball wheel can be rolled with the state for contacting the lower plate in the lower plate.
Additionally, the lower, outer perimeter along the lower plate possesses three wheels with predetermined distance, and to have with this identical interval
Standby three spring ball parts.
Additionally, the bearing is self-aligning ball-bearing.
The effect of invention
Performance chassis castor of the invention uses self-aligning ball-bearing, such that it is able to maintain upper plate and lower plate
Relative recuperability.
Additionally, by possessing spring ball part, the level side for being combined and being reduced with the bearing of lower plate because of upper plate can be supplemented
To recuperability.It is thus possible to provide one kind can be moved freely with omnirange, and the concavo-convex part on ground also can be pasting all the time
The tightly movement in stable conditionly in face loads the performance chassis castor of article etc..
Additionally, using the ball wheel possessed in the lower end of spring ball part, in performance chassis, can often guarantee wheel
360 degree rotation.
Description of the drawings
Fig. 1 is the schematic diagram of an example of chassis.
Fig. 2 is the structural representation of performance chassis castor according to an embodiment of the invention.
Fig. 3 is the sectional view of the internal structure of chassis castor of the performance shown in Fig. 2.
Fig. 4 is the enlarged drawing of the spring ball part of chassis castor of the performance shown in Fig. 2.
Fig. 5 is the schematic diagram of use and its effect of chassis castor of the performance shown in Fig. 2.
Fig. 6 is the schematic diagram of the spring mechanism of existing chassis castor.
Specific embodiment
Performance chassis castor according to an embodiment of the invention is illustrated below.
Castor described below can be used to include automatic guided vehicle (the Automated Guided of any type of chassis
Vehicle;AGV) etc..Generally, chassis or AGV are a kind of around the path of navigation one week for being arranged at factory, warehouse, home-delivery center etc.
And it is mobile can be with horseless vehicle.Especially, when for performance or activity, chassis can be used to carry what performance needed
Various equipment and goods or even in stage space fitup stage property or people, also or chassis is used as moving dance in itself
Platform.Castor described below is not limited to certain types of chassis, and can be together for arbitrary with the chassis in above-mentioned example
Other kinds of chassis.
Fig. 2 is the primary structure schematic diagram of performance chassis castor according to an embodiment of the invention, and Fig. 3 is shown in Fig. 2
Internal structure sectional view.
With reference to Fig. 2 and Fig. 3, the performance of an embodiment of the invention includes upper plate 220, lower plate with chassis castor 200
240 and spring ball part 260,262,264.
Upper plate 220 is fixed on the bottom of chassis, by being formed at its pericentral joint bolt of multiple bolts hole 221
Deng the upper plate 220 can be fixed on chassis.
In an embodiment of the present invention, upper plate 220 is combined with lower plate 240 by bearing.
Specifically, the approximate centre of lower plate 240 possesses bearing fixing axle 241;Upper plate 220 possesses shell 223, with around screening
Lid bearing fixing axle 241.Ball bearing 243 can be installed between bearing fixing axle 241 and shell 223.That is, upper plate 220 with
Lower plate 240 is combined by bearing 243, so as to lower plate 240 can be rotated freely relative to upper plate 220.Although making in the present embodiment
With ball bearing 243, but be not limited to this, as set forth above, it is possible to be suitable for upper plate with lower plate the phase centered on bearing fixing axle
The all bearing modes that mutually can be combined with the relative rotation.
As described above, being rotatably engaged the lower plate 240 in upper plate 220, more than one wheel, example are installed in its underpart
Such as three wheels 245,247,249, so as in chassis, disperse the negative loading of driving wheel 144,146, at the same time can be to
Omnirange is moved freely.
In an embodiment of the present invention, along lower plate 240 lower, outer perimeter with predetermined distance possess three wheels 245,247,
249.These three wheels 245,247,249 are developed for the minimum of rolling friction, not only can stably carry big loading
Tote, can also make castor maintain abreast to be adjacent to the state on ground all the time.
On the other hand, spring ball part 260,262,264 supplements lower plate 240 to upper plate with the state for being linked to upper plate 220
The recuperability of 220 horizontal direction.Spring ball part 260,262,264, by the part insertion of its upper end upper plate is formed at
220 connecting hole, can be fixed using connecting structure 261.
As described above, in an embodiment of the present invention, upper plate 220 is combined with lower plate 240 by bearing, so as to lower plate 240
Can rotate freely relative to upper plate 220.The loading of tote when being driven according to chassis and the state of ground etc., lower plate 240 can phase
For the angle that bearing fixing axle 241 inclines regulation, for example, can tilt to about 4 degree or so.But, if long-time repeatedly this
Kind of state, the fixing axle that can run out bearing 241 shortens its life-span, and the recuperability for making the horizontal direction of castor declines, so as to cannot be steady
Surely loading article is carried.
However, the spring ball part 260,262,264 of the present invention possesses between upper plate 220 and lower plate 240, such that it is able to
Supplement the recuperability of the horizontal direction reduced because bearing is combined.That is, spring ball part 260,262,264 be configured to relative to
Lower plate 240 flexibly supports upper plate 220, while can roll in lower plate 240, so as in the movement for not limiting lower plate 240
Under the premise of, the recuperability to inclination angle can be supplemented.In this regard, will be described in detail below.
Fig. 4 is the enlarged drawing of the performance with the spring ball part 260 of chassis castor of an embodiment of the invention.
With reference to Fig. 4, spring ball part 260 includes shock-absorbing spring 263 and ball wheel 265.
The spring inner side of shock-absorbing spring 263 is inserted with the shock absorber of absorbable vibration, such that it is able to suppress spring vibration
Repeatedly occur.
Ball wheel 265 possesses in the lower end of shock-absorbing spring 263, so that lower plate 240 maintains rotatable state.That is, ball wheel 265 exists
The function of being similar to another Caster (caster) is exercised in spring ball part 260, such that it is able in lower plate 240 being adjacent to all the time
The state of lower plate 240 is rolled.Because shock-absorbing spring 263 is linked to upper plate 220, with the motion of the lower plate 240 of rotation, ball wheel
265 roll in lower plate 240 along certain circuit orbit.
In an embodiment of the present invention, along lower plate 240 lower, outer perimeter with predetermined distance possess three wheels 245,247,
249, correspondingly, can possess three spring ball parts 260,262,264 to be spaced with this identical.By possessing three springs
Ball part 260,262,264, both can be balanced with three formation of wheel 245,247,249, and big heavy burden can be stably carried again
Tote.
Hereinafter, the use and its effect of performance according to embodiments of the present invention chassis castor 200 are illustrated.
As reference, for the use for illustrating performance according to embodiments of the present invention chassis castor 200 and its effect
Each structure, for purposes of illustration only, by the reference used in the explanation for continuing to use above-mentioned performance chassis castor 200, closing
In the explanation that it repeats, here is omitted.
Performance according to embodiments of the present invention chassis castor 200, to include the form of triple wheels 245,247,249,
Tote or as manned fitup chassis suitable for carrying big loading in occasions such as performance, activities, will roll
While friction is minimized, tote can be stably carried.
With reference to Fig. 1, performance chassis castor 200 according to embodiments of the present invention is suitable for chassis construction, and incalculability is limited
Ground is according to the default bottom surface for arranging and being fixed on chassis 100.
With reference to Fig. 3, upper plate 220 is fixed on the bottom surface of chassis, when chassis drives, is combined with upper plate 220 by bearing 243
Lower plate 240 can be rotated freely relative to upper plate 220 or so.This is because of three installed with predetermined distance along the periphery of lower plate 240
Wheel 245,247,249 is freely rolled according to the loading of tote and the state of ground.
Now, with reference to Fig. 5, because the characteristic of bearing makes so, upper plate 220 can be inclined relative to bearing fixing axle 241 and specified
Angle, for example slope to about 4 degree or so, according to inclined direction, three spring ball parts 260,262,264 elasticity respectively
Ground compression is lax, seeks the equilibrium of horizontal direction.Spring ball part 260 is made up of shock-absorbing spring 263 and ball wheel 265, so as to
Flexibly support upper plate 220 relative to lower plate 240, and effectively absorb it may happen that continuation vibration, at the same time, by
In being configured to roll in lower plate 240, therefore supplement to inclination angle on the premise of the movement of lower plate 240 is not limited
Recuperability.Finally, chassis can load article etc. to be adjacent to the in stable condition mobile of ground all the time.
As described above, performance chassis castor 200 according to embodiments of the present invention possess spring ball part 260,262,
264, such that it is able to supplement the recuperability of the horizontal direction for being combined and being reduced with the bearing of lower plate 240 because of upper plate 220.So as to can
Can be moved freely with omnirange with providing one kind, and the concavo-convex part on ground also can be being adjacent to all the time the in stable condition of ground
The mobile performance chassis castor for loading article etc..
As described above, performance chassis castor according to an embodiment of the invention uses self-aligning ball-bearing, i.e. make
With lubrication groove there is the track of two row tracks, foreign steamer to form sphere, the center of curvature of sphere is consistent with bearing centre, thus in making
Wheel, ball and retainer have self-aligning ball-bearing (the self aligning of harmonious aligning performance relative to foreign steamer
ball bearing).Additionally, using spring ball part, (jamming) problem and inclination angle are blocked to utensil so as to possess
Recuperability.
In addition, the lower end of spring ball part is sticked ball wheel to contact lower plate all the time, and then guarantees 360 degree of free rotations of wheel
Turn.Especially, when this chassis is used as performing device, compared with the chassis that other industry spots are used, it is ensured that 360 degree of wheel
Rotate freely particularly important.Reason is, because the characteristic performed makes so, frequently to require more than 360 degree of rotation.
More than, embodiments of the invention are illustrated, but the scope not limited to this of the claim of the present invention, but
Easily change from embodiments of the invention including the general technical staff by belonging to the present invention and be construed to the scope being equal to
It is interior to have altered and change.
The possibility of industrial application
The present invention can be used for performance chassis, performance chassis castor, automatic guided vehicle etc..
Claims (6)
1. chassis castor is used in a kind of performance, including:
Upper plate, is fixed on the bottom surface of chassis;And
Lower plate, it possesses more than one wheel in bottom, and the lower plate can with the relative rotation be incorporated into the upper plate,
Possess bearing fixing axle above the lower plate, possess below the upper plate around the outer of the bearing fixing axle
Shell, the upper plate is with the lower plate by being combined with the bearing between the shell between the bearing fixing axle.
2. chassis castor is used in performance according to claim 1, it is characterised in that
Also include more than one spring ball part, the spring ball part supplements the lower plate with the state for being linked to the upper plate
Recuperability to the horizontal direction of the upper plate.
3. chassis castor is used in performance according to claim 2, it is characterised in that
The spring ball part includes:
Shock-absorbing spring, the shock-absorbing spring possesses spring and shock absorber, and the shock absorber is located at the spring inner, for inhaling
Receive the vibration of the spring;And
Ball wheel, the ball wheel possesses in the lower end of the shock-absorbing spring, so that the lower plate being capable of phase for upper plate maintenance
To the state for rotating.
4. chassis castor is used in performance according to claim 3, it is characterised in that
The ball wheel can be rolled with the state for contacting the lower plate in the lower plate.
5. chassis castor is used in performance according to claim 4, it is characterised in that
Lower, outer perimeter along the lower plate possesses three wheels with predetermined distance, and to possess described in three with this identical interval
Spring ball part.
6. chassis castor is used in performance according to claim 1, it is characterised in that
The bearing is self-aligning ball-bearing.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150009156A KR101714748B1 (en) | 2015-01-20 | 2015-01-20 | Caster of wagon for performances |
KR10-2015-0009156 | 2015-01-20 | ||
PCT/KR2016/000572 WO2016117917A1 (en) | 2015-01-20 | 2016-01-20 | Performance wagon castor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106660392A true CN106660392A (en) | 2017-05-10 |
CN106660392B CN106660392B (en) | 2019-04-19 |
Family
ID=56417380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680002270.3A Active CN106660392B (en) | 2015-01-20 | 2016-01-20 | Performance trolley castor |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6342062B2 (en) |
KR (1) | KR101714748B1 (en) |
CN (1) | CN106660392B (en) |
WO (1) | WO2016117917A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190019502A (en) | 2017-08-18 | 2019-02-27 | 안중명 | Wheel to improve anti-noise and vibration |
KR101886353B1 (en) | 2018-04-24 | 2018-08-09 | (주)좋은무대 | Caster for moving stage |
KR101985540B1 (en) | 2019-01-09 | 2019-06-03 | 장용익 | Up/down building structure |
KR102279431B1 (en) | 2019-11-13 | 2021-07-20 | 한국생산기술연구원 | Movable platform |
KR102297141B1 (en) | 2021-06-16 | 2021-09-02 | 주식회사 라오닉스 | Automated Guided Vehicles |
KR102346746B1 (en) | 2021-07-12 | 2022-01-03 | 주식회사 라오닉스 | Automated guided vehicles having Height adjustable jig |
KR102382652B1 (en) | 2021-11-30 | 2022-04-08 | 주식회사 라오닉스 | Jig unit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09226307A (en) * | 1996-02-28 | 1997-09-02 | Nobuchika Murata | Buffer caster |
KR100316401B1 (en) * | 1999-09-01 | 2001-12-12 | 광 섭 정 | A caster |
JP2008155780A (en) * | 2006-12-25 | 2008-07-10 | Tcm Corp | Wheel device for carrying vehicle |
JP2008213542A (en) * | 2007-02-28 | 2008-09-18 | Kurashiki Kako Co Ltd | Caster |
KR20140057918A (en) * | 2012-11-05 | 2014-05-14 | 한채진 | Fixing and rotating cart caster |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6253978U (en) * | 1985-09-25 | 1987-04-03 | ||
JPH047976U (en) * | 1990-05-11 | 1992-01-24 | ||
JPH0466164U (en) * | 1990-10-12 | 1992-06-10 | ||
JP3066774B2 (en) * | 1991-08-26 | 2000-07-17 | カヤバ工業株式会社 | Damper device |
JP2579493Y2 (en) * | 1991-09-27 | 1998-08-27 | エスエムシー株式会社 | Turntable cylinder |
JP2742639B2 (en) * | 1992-01-17 | 1998-04-22 | 株式会社新興製作所 | Turntable for OA equipment |
JPH08105234A (en) * | 1994-10-07 | 1996-04-23 | Daifuku Co Ltd | Turning device of sky parking facility |
JPH09278236A (en) * | 1996-04-11 | 1997-10-28 | Mitsubishi Heavy Ind Ltd | Rolled paper carrying truck |
JP2000198446A (en) * | 1999-01-05 | 2000-07-18 | Dainippon Printing Co Ltd | Transport truck |
KR100875537B1 (en) | 2007-05-29 | 2008-12-24 | 주식회사 우경피엔제이 | Unmanned loan |
-
2015
- 2015-01-20 KR KR1020150009156A patent/KR101714748B1/en active IP Right Grant
-
2016
- 2016-01-20 CN CN201680002270.3A patent/CN106660392B/en active Active
- 2016-01-20 JP JP2017505228A patent/JP6342062B2/en active Active
- 2016-01-20 WO PCT/KR2016/000572 patent/WO2016117917A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09226307A (en) * | 1996-02-28 | 1997-09-02 | Nobuchika Murata | Buffer caster |
KR100316401B1 (en) * | 1999-09-01 | 2001-12-12 | 광 섭 정 | A caster |
JP2008155780A (en) * | 2006-12-25 | 2008-07-10 | Tcm Corp | Wheel device for carrying vehicle |
JP2008213542A (en) * | 2007-02-28 | 2008-09-18 | Kurashiki Kako Co Ltd | Caster |
KR20140057918A (en) * | 2012-11-05 | 2014-05-14 | 한채진 | Fixing and rotating cart caster |
Also Published As
Publication number | Publication date |
---|---|
KR101714748B1 (en) | 2017-03-09 |
WO2016117917A1 (en) | 2016-07-28 |
KR20160089664A (en) | 2016-07-28 |
CN106660392B (en) | 2019-04-19 |
JP2017523083A (en) | 2017-08-17 |
JP6342062B2 (en) | 2018-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106660392A (en) | Performance wagon castor | |
US10071596B2 (en) | Omnidirectional pinion wheel | |
EP3660619B1 (en) | Two wheel automatic guided vehicles used in combination | |
US9580002B2 (en) | Omnidirectional vehicle transport | |
US10850843B2 (en) | Roller assembly of a cargo loading system | |
WO2016136608A1 (en) | Universal caster | |
WO2014013753A1 (en) | Swivel caster | |
US4316305A (en) | Swivel caster assembly | |
US20100247281A1 (en) | Double Offset Caster System | |
CA2389532A1 (en) | Swivel wheel | |
EP3313671B1 (en) | Omnidirectional pinion wheel | |
JP7457995B2 (en) | Display device and stand | |
US5672012A (en) | Cargo deck bearing | |
CN204256526U (en) | A kind of cross frame decomposes the gravity attitude stabilization device of motion | |
CN106314032A (en) | Linear reversing follower wheel | |
JPH0140723Y2 (en) | ||
KR200398110Y1 (en) | A thrust bearing | |
CN204940940U (en) | Terrain self-adaptive is universal double-jointed takes turns | |
US20200189887A1 (en) | Rail-Based Floor Conveyor System | |
US1421626A (en) | Caster | |
CN211685166U (en) | Transfer equipment | |
JP6938015B2 (en) | Caster and mobile | |
JP2000110990A (en) | Bearing body | |
US20160368319A1 (en) | Balanced wheel swivel system without adding vertical dimension to wheel | |
US620672A (en) | Victor e |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |