CN1139509C - Steering system - Google Patents
Steering system Download PDFInfo
- Publication number
- CN1139509C CN1139509C CNB998033278A CN99803327A CN1139509C CN 1139509 C CN1139509 C CN 1139509C CN B998033278 A CNB998033278 A CN B998033278A CN 99803327 A CN99803327 A CN 99803327A CN 1139509 C CN1139509 C CN 1139509C
- Authority
- CN
- China
- Prior art keywords
- wheel
- gear
- transportation means
- wheel shaft
- hunting
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/02—Steering linkage; Stub axles or their mountings for pivoted bogies
- B62D7/026—Steering linkage; Stub axles or their mountings for pivoted bogies characterised by comprising more than one bogie, e.g. situated in more than one plane transversal to the longitudinal centre line of the vehicle
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- 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
- B62B3/001—Steering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/06—Steering all wheels together simultaneously
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A vehicle (10) having a plurality of spaced-apart wheels (16), each wheel (16) being attached to the vehicle (10) by means of an axle (22), there being a separate axle (22) for each wheel (16), each axle having a longitudinal axis; the arrangement being such that rotation of one axle (22) about its longitudinal axis will cause the wheel (16) mounted thereon to change direction relative to the vehicle (10), each axle (22) having attached thereto a driven means (26), each driven means (26) being adapted to be driven by a drive means (28,32) such that rotation of one axle (22) causes all other axles (22) to also rotate about their longitudinal axis.
Description
Technical field
The present invention relates to a kind of steering swivel system, particularly but be not to relate to a kind of steering swivel system that is used for wheeled transportation means or goods uniquely, turn to control in order to wheel to described transportation means.
Background technology
The transportation means of in whole specification sheets, being mentioned be promote by manpower rather than by power operated, should regard the goods that comprise that all have wheel and can make it to move as simultaneously.For example, can comprise hand barrow, transport trolley, shopping cart, wheelbarrow, perambulator, pushchair, toy car, trailer, van, the canoe trailer is used for the wheeled Jack of transportation means, wheelchair, wheel bed, sick bed, be installed in a medical stretcher on the wheeled pedestal, workplatform, library's hand barrow and other have the similar articles of a plurality of wheels and/or Caster.
In whole specification sheets, the wheel that a said wheel or a plurality of wheel should be counted as comprising one or more Casters or play the Caster effect.
A lot of transportation meanss (as top defined) have a plurality of wheels (as top defined), these wheels are installed on the wheel shaft relevant with this transportation means independently, thereby each wheel can be with respect to this wheel shaft rotation, make transportation means to be moved, wherein also comprise motion around the turning.Under many circumstances, these wheels are self contained functions.Work is exactly good example with hand barrow and shopping cart.Under many circumstances, when moving this transportation means, owing to can make a certain specific wheel can not turn round thereby play a part a drg normally to the bump or the slight damage of wheel shaft or wheel, this makes that this transportation means is difficult to use.In addition, in season transportation means when a slope, horizontal slope particularly, transportation means will tend to advance along the slope.There have been a lot of fully loaded shopping carts to roll down the slope or roll the record of the example on traffic way at parking area to the side!
This transportation means also usually is difficult to by sharply turning, particularly when surrounding space is very little.This be since the separate characteristic of wheel cause one wheel correctly orbital motion must carry out certain motion so that before turning rightly.
Summary of the invention
Therefore, main purpose of the present invention provides a kind of steering swivel system that is used for transportation means (defined as the front), so that can utilize the steering swivel system of wheel.
Consider above-mentioned purpose and other purpose, the invention provides a kind of transportation means, have a plurality of isolated wheels, these wheels are configured to a front-wheel to right with a trailing wheel, each wheel is installed on this transportation means by means of a wheel shaft, each wheel all has an independently wheel shaft, and a hunting gear is installed on each wheel shaft, and each hunting gear has a vertical rotation axis and is suitable for being driven by a driving device; Its configuration mode is, the wheel that wheel shaft will cause being mounted thereon with respect to the rotation of the described rotation axis of hunting gear mounted thereto changes the direction with respect to transportation means, and the hunting gear that will cause this wheel shaft drives this driving device, thereby make all other wheel shaft also with respect to the rotation axis of their hunting gears separately and rotate, each right wheel shaft of front-wheel rotates along a direction simultaneously, and each right wheel shaft of trailing wheel then rotates along opposite direction.
Preferably, hunting gear is a gear.Driving device is a gear train preferably.Perhaps, driving device can be a chain-driving or belt-driving.
Useful is, is provided with a spring tensioning means, so that keep suitable contact the between driving device and each gear.More preferably, also be provided with a centralizer.
When driving device is gear train, this gear train preferably include one with gear in two sun gears that gear is meshed, this sun gear is by means of intermediate gear and other gear mesh.Preferably, be positioned at an end of transportation means with two gears of sun gear direct contact.By utilizing intermediate gear, other gear will make their wheel shaft along rotating with directly opposite with sun gear gears in mesh direction.
Preferably, wheel is configured to a front-wheel to right with a trailing wheel, front-wheel to have they pass through directly mesh and driven gear with sun gear.Perhaps, front-wheel is driven by chain-driving or belt-driving being suitable for, and makes the rotation of a wheel of front-wheel centering cause another wheel of front-wheel centering to change to identical direction, and other wheel then rotates along opposite direction.
Description of drawings
In order to understand the present invention fully, now in the mode of the example of indefiniteness, two preferred structures of the steering swivel system of the transportation means that comprises principal character of the present invention are only described, the description of being done is carried out with reference to accompanying drawing, wherein:
Fig. 1 is the diagrammatic side view of first embodiment;
Fig. 2 is the diagrammatic top view of second embodiment;
Fig. 3 is the schematic front end view of the transportation means of Fig. 2;
Fig. 4 is the diagrammatic top view of third embodiment of the invention;
Fig. 5 is the diagrammatic top view of four embodiment of the invention;
Fig. 6 is the diagrammatic top view of a kind of modification embodiment illustrated in fig. 5; And
Fig. 7 is the diagrammatic top view of another kind of modification embodiment illustrated in fig. 5.
The specific embodiment
For embodiment shown in Figure 1, there is shown a total transportation means of representing with label 10.This transportation means has a main body 12, and it will be pushed or drive by a handle (not shown), and the load that perhaps is added on the transportation means drives.Main body 12 has four wheels 16, and they all are identical basically, although always this is not necessary.The front-wheel that wheel 16 is configured to wheel 16 to 18 and a trailing wheel of wheel 16 to 20.Each wheel 16 is installed in by means of wheel shaft 22 on the main body 12 of transportation means 10, and each wheel shaft 22 all is independently.Each wheel is installed on its wheel shaft 22 by installation bracket 24, thereby makes all wheels 16 all play a part Caster.A gear 26 all is installed on each wheel shaft 22 securely, and gear 26 preferably is installed in the inside of main body 12, although it also can be positioned at main body 12 above or below.Each gear 26 directly is not meshed with other any gear 26.Preferably, each gear 26 is full-depth tooth wheels of one 360 °, thereby therefore wheel shaft 22 rotatable 360 ° makes each wheel 16 to advance along any one direction.
In main body 12, also a sun gear 28 is installed by wheel shaft 30.Equally, gear 28 also can be positioned at the inside of main body 12, above or below.Sun gear 28 directly is meshed to each gear 26 of 18 with the front-wheel of wheel 16.Thereby front-wheel will make associated gear 26 with wheel shaft 22 rotations to the rotation of the wheel shaft 22 of at least one wheel 16 of 18.This will cause sun gear 28 rotations.Therefore, front-wheel also will rotate the respective gears 26 of another wheel 16 of 18.By means of this configuration, the rotation of two front gears 26 will be carried out on same hand of rotation, thereby front-wheel will point to same direction to each wheel 16 of 18.If two front gears 26 are substantially the same, front-wheel all will point to same direction with identical angle to 18 wheel 16.
To 18, gear 26 is meshed with sun gear 28 by means of intermediate gear 32 for the trailing wheel of wheel 16, wherein, intermediate gear 32 also by wheel shaft 34 be rotatably mounted within the main body 12, on or its top.Therefore, the rotation of sun gear 28 will make intermediate gear 32 rotation, and the trailing wheel that this will cause wheel 16 to 20 gear 26 along the direction rotation opposite to 18 gear 26 with the front-wheel of wheel 16.
Therefore, when sun gear 28 rotation, the trailing wheel of wheel 16 will be along the direction rotation opposite to 18 gear 26 with the front-wheel of wheel 16 to 20 gear 26.Like this, the trailing wheel of wheel 16 to 20 will be together along 18 opposite directions being moved with the front-wheel of wheel 16.Therefore, if the front-wheel of wheel 16 during to 18 left-handed turnings, the trailing wheel of wheel 16 to 20 with right-hand turning.
Preferably, gear 26 is identical, thereby the front-wheel of wheel 16 is the same with the trailing wheel of wheel 16 to the scope of 20 angular motion to 18.Gear 32 can be different from gear 26, but 32 of each gears should be mutually the same.
Like this, when applying left a power on handle, the front-wheel of wheel 16 is to 18 with left-handed turning, and the trailing wheel of wheel 16 will move right 20.This makes that main body 12 can be to turn around axis ground, its center (vertically) at an easy rate-usually.
Gear 26 is preferably one 360 ° gear, although if desired the time, they also can be the parts of a circle.Sun gear 28 also can be one 360 ° a full-depth tooth wheel, and still, it also can be a plurality of gear segments-wheel 18,20 is had a gear segment for each wheel 16 or each.
Therefore, this just provides a kind of four-wheel steering system.Should be pointed out that simultaneously this system also can be used for the motion of traditional Caster, in this case, wheel 16 can rotate 360 °.But,, can not make any one wheel 16 produce inharmonious owing to wheel is linked inherently by gear train.Therefore, can adopt large diameter wheel 16.In addition, because each wheel 16 always correctly is arranged in rows, so center of gravity always between wheel 16, all has enough distances simultaneously between center of gravity and each wheel 16, thereby even in main body 12 hour, transportation means is quite stable still.In addition, because wheel 16 is aimed at, main body 12 is difficult to transversely in the direction motion of wheel 16.Therefore, if wheel 16 is arranged in rows along front-rear direction (as shown in the figure), just be difficult to shifted laterally main body 12.This and common Caster are very different, and under the situation of Caster, transverse force will be rotated Caster at least at one end, so that the movement of objects of Caster is housed.
Referring now to Fig. 2 and embodiment shown in Figure 3,, its operating mode is similar to embodiment shown in Figure 1.For Fig. 2 and embodiment shown in Figure 3, similarly parts mark with similar label, but add a numeral 1 in its front.
Referring to accompanying drawing, wherein express a transportation means 110, it has a main body 112.Be provided with a handle 114, be used for destination 110 and it is turned to control.Main body 112 has four wheels 116, and they all are identical basically, although and nonessential such was the case with.The front-wheel that wheel 116 is configured to wheel 116 to 118 and a trailing wheel of wheel 116 to 120.Each wheel is installed on the main body 112 of transportation means 110 by means of a substantially horizontal wheel shaft 122, and each wheel shaft 122 all is independently.Each wheel 116 is connected on the wheel shaft 122 by a connecting rod 124, thereby wheel 116 plays a part a Caster.Each wheel shaft 122 all is fixedly mounted on the gear 126, and gear 126 preferably 123 is installed within the main body 112 by a pin, but it also can be installed on the main body 112 or under.Equally, each gear 126 does not directly mesh with any other gear 126.Each gear 126 can be one 360 ° a gear, perhaps also can only be a gear segment.Each gear 126 is installed within the main body 112 by a pin 123.
Equally, a sun gear 128 is installed in the main body 112 by a wheel shaft 130.Simultaneously, sun gear 128 can be positioned within the main body 112, on or under.Sun gear 128 directly meshes two gears 126 of 118 with the front-wheel of wheel 116.Therefore, the front-wheel of wheel 116 will cause wheel shaft 122 to rotate to the motion of a wheel 116 in 118, thereby rotate relevant gear 126.This will cause the rotation of sun gear 128.Thereby front-wheel also will rotate the gear 126 of another wheel 116 of 118.By above-mentioned configuration, the rotation of two front gears 126 will be along identical hand of rotation, thereby the front-wheel of wheel 116 will point to identical direction to each wheel 116 of 118.If two front gears 126 are substantially the same, then front-wheel all will point to same direction with identical angle to 118 wheel 116.
To 120, gear 126 is by means of intermediate gear 132 and sun gear 128 engagements for the trailing wheel of wheel 116, intermediate gear 132 equally also by wheel shaft 124 be rotatably mounted in main body 112 inside, on or its top.Thereby the rotation of sun gear 128 will make intermediate gear 132 rotation, this trailing wheel that will cause wheel 116 to 120 gear 126 along the direction rotation opposite to 118 gear 126 with the front-wheel of wheel 116.Therefore, when sun gear 128 rotation, will be at the trailing wheel of wheel 116 gear 126 in to 120 along the direction rotation opposite to 118 gear 126 with the front-wheel of wheel 116.Utilize this mode, the trailing wheel of wheel 116 to 120 will be together along 118 opposite directions being moved with the front-wheel of wheel 116.Thereby, if the front-wheel of wheel 116 to 118 left-handed turnings, then the trailing wheel of wheel 116 to 120 with right-hand turning.
Preferably, each gear 126 is the same, thereby the front-wheel of wheel 116 will be identical with the trailing wheel of wheel 116 to 120 both scopes of angular motion to 118.But the trailing wheel that also can preferably make wheel 116 is different from wheel 116 to 120 gear 126 front-wheel is to 118 gear 126.Like this, along one by the indicated direction of the arrow of Fig. 2 when handle 114 applies application force, the front-wheel of wheel 116 to 118 with left-handed turning, as indicated near the arrow of each wheel 116.The trailing wheel of wheel 116 will move right with the direction of different ratios along its arrow 120.
Embodiment hereto, wheel 116 can be more traditional wheel, therefore can have bigger diameter.This means that its angular motion will be restricted, because at wheel 116 during with bigger angular movement, because wheel 116 is positioned at the next door of main body 112, wheel 116 will be run into main body 112.For this reason, gear 126,132 and 128 can be a gear segment.In this case, gear 128 can have two or four gear segments.This is enough with respect to main body 112 has maximum amount of exercise for wheel 116.
Preferably, be provided with one to center fixture 136.It can be that a kind of this number of patent application is PP0590 according to the described device of our early stage patents, and its content is cited as list of references here.Perhaps, it can be a device 137 that is essentially " H " shape, has one and is positioned at H and the projection on sun gear 128 139.The rotation of sun gear 128 makes projection contact with H device 137, thereby causes that it centers on its fabricated section motion.Thereby be provided with a spring 141 with H device 137 just projection 139, therefore just sun gear 128 bias voltages to shown in the center.
The operating mode of the embodiment shown in Figure 4 embodiment with shown in Figure 1 to a great extent is identical.For embodiment shown in Figure 4, similarly parts are by titled with similar label, but add a numeral 2 in the front of label shown in Figure 1.
Total transportation means of representing with label 210 has a main body 212.Be provided with four wheels 216, they be configured to a front-wheel to 218 and trailing wheels to 220, as the embodiment among Fig. 1.
In this case, the shopping cart in main body 212 and the supermarket is roughly the same, therefore wishes and can pile up.Therefore wheel 216 is Caster, although can clearly be seen that from the foregoing description, can adopt any type of wheel.Equally, each wheel 216 all is installed on the wheel shaft 222, and a gear 226 is installed on the wheel shaft 222.Preferably, each gear 226 is the same, thereby the degree that angle changes is constant.
What be operably connected gear 226 is a continuous chain or driving band 228.If adopt driving band 228, then it will be a toothed belt in two sides.Preferably, adopt at least one idler sprockets 240, there is shown and adopt two idler sprockets so that keep the continuity of chain or belt 238.Idler sprockets 240 is rotatably installed in the main body 212.Useful is to be provided with a spring tensioning means 242 between sprocket wheel 240, so that chain or belt 238 are maintained under the constant tension force.Be stretched or change its length owing to the chain as 238 or belt can vary with temperature, spring tensioning means 242 will keep the constancy that contacts between chain or belt 238 and the gear 226.
The same with the situation of embodiment among Fig. 1, a wheel 216 changes its motions with respect to the direction of main body 212 and will cause its gear 226 also to rotate with wheel shaft 222.Thereby this will cause the motion of belt or chain 238.Therefore, this will drive all other gear 226, thereby make all wheels 216 change of directions.Thereby for example, if front-wheel 218 moves right, trailing wheel 220 will be to left movement.
This set form is suitable for supermarket hand shopping cart or similar transportation means most, do not influence its stacking performance because this set makes in the common framework can embed supermarket trolleys, do not influence the ability that it is stacked each other on together and moves in the mode of row " fleet " yet.This is owing to as common supermarket trolleys, be provided with the cause in the zone of opening wide basically 244 in framework 212.
Although in each embodiment four wheels has been shown, relevant wheel can be two or any greater than 2 number naturally.
Instead gear scheme can adopt roller, under the effect of external force, for example utilizes spring, makes it frictional fit.
In addition, can adopt the combination of belt/chain-driving and gear.This may be particularly suitable for trailing wheel among embodiment shown in Figure 1 and Fig. 2 and the embodiment shown in Figure 3 to 20 and 120.As a kind of replacement scheme, by the idler sprockets in embodiment illustrated in fig. 4 240, trailing wheel can operationally engage idler sprockets 240 to 220 gear 216 rather than be driven by chain or belt 238.
The embodiment of Fig. 5 is similar to other the foregoing description, and therefore similarly parts are endowed similar reference number, but adds relevant numeral 3 in its front.
The embodiment of Fig. 5 is similar to the embodiment of Fig. 2 and Fig. 3.
Observe accompanying drawing, wherein show a transportation means 310 with a main body 312.Transportation means 310 is provided with a handle 314, so that can move and turn to.Main body 312 has four wheels 316, and they are all substantially the same, although always this is not must be so.The front-wheel that wheel 316 is configured to wheel 316 to 318 and a trailing wheel of wheel 316 to 320.Each wheel 316 is installed on the main body 312 of transportation means 310 by means of a substantially horizontal wheel shaft 322, and each wheel shaft 322 all is independently.Each wheel 316 is directly installed on its wheel shaft 322, and each wheel shaft 322 has a single-piece pivot member 325, and this pivot member is pivotably mounted on the main body 312 by pivot 327.The trailing wheel of wheel 316 directly meshes wheel 316 to 320 gear 326 front-wheel is to 318 gear 326.As shown in the figure, each gear 326 can be one 360 ° a gear, perhaps can only be a gear segment.
The front-wheel of wheel 316 is the mirror image of the trailing wheel of wheel 316 to 320 configuration to 318 configuration.Therefore, when a front-wheel right-hand turning, corresponding trailing wheel is with left-handed turning.
Thereby all wheels 316 will correctly be orientated, and the front-wheel that is used for wheel 316 has a front portion 331 to 318 pivot member 325, it have in its end one with another gear segment 333 of idler gear 335 ingears.
Therefore, if apply an application force on handle 314, transportation means 310 is turned to the right side, then headstock front-wheel 316 is with right-hand turning.This will cause pivot member 325 to rotate around pivot 327, thereby make gear 326 motions, and another gear 333 can make idler gear 335 make 333 motions of another gear of another one, thus the front-wheel of wheel 316 to 318 right-hand turnings, and the trailing wheel of wheel 316 is to 320 left-handed turnings.Utilize idler gear 335, the left side of transportation means 310 and right side are synchronously moved.
The embodiment of Fig. 6 embodiment with Fig. 5 basically is identical, and difference is, adopts full-depth tooth wheel 426 here, and pivot member 425 shortens simultaneously, and all the same in front and back.This makes if necessary, wheel 416 rotatable 360 °.As shown in the figure, wheel 416 can be installed under the main body 412.
Similarly, Fig. 7 utilizes Fig. 5 of gear 526 and pivot member 525 and effective combination of Fig. 6 feature.In itself, its operation is identical with the operation of Fig. 5.But if necessary, gear can be 360 ° a full-depth tooth wheel, and wheel 526 can rotate 360 °.
As already mentioned, for some embodiment (for example, when the angular motion of wheel is restricted), trailing wheel is different from the right ratio of front-wheel to having one, thereby the right angle intensity of variation of trailing wheel is different from the right angle intensity of variation of front-wheel.
Although described the preferred structure of the transportation means that includes essential characteristic of the present invention in the explanation in front, but be to be understood that, for those skilled in the art, can under the prerequisite that does not exceed scope of the present invention, make various variations to the details of design or structure.
Should be appreciated that scope of the present invention disclosed herein and defined comprises the various combinations of two or more features noted earlier or that can obviously find out from the text of specification sheets or accompanying drawing.All these are different constitutes various alternative plan of the present invention.
Should be appreciated that simultaneously terminology used here " comprises " or its phraseological derivative, be equal to term and " comprise " that it means the existence of not getting rid of other parts or feature.
Claims (19)
1. transportation means, have a plurality of isolated wheels, these wheels are configured to a front-wheel to right with a trailing wheel, each wheel is installed on this transportation means by means of a wheel shaft, each wheel all has an independently wheel shaft, a hunting gear is installed on each wheel shaft, and each hunting gear has a vertical rotation axis and is suitable for being driven by a driving device; Its configuration mode is, the wheel that wheel shaft will cause being mounted thereon with respect to the rotation of the described rotation axis of hunting gear mounted thereto changes the direction with respect to transportation means, and the hunting gear that will cause this wheel shaft drives this driving device, thereby make all other wheel shaft also with respect to the rotation axis of their hunting gears separately and rotate, each right wheel shaft of front-wheel rotates along a direction simultaneously, and each right wheel shaft of trailing wheel then rotates along opposite direction.
2. transportation means as claimed in claim 1 further comprises a spring tensioning means, so that keep suitable the contacting between driving device and each hunting gear.
3. transportation means as claimed in claim 1 or 2 further comprises one to center fixture.
4. transportation means as claimed in claim 1 is characterized by, and hunting gear is a driven gear.
5. transportation means as claimed in claim 1 is characterized by, and driving device is a transmission gear system.
6. transportation means as claimed in claim 5 is characterized by, and the transfer gear train turnkey is drawn together a sun gear, two engagements in this sun gear and the driven gear, and this sun gear is by means of intermediate gear and the engagement of other driven gear simultaneously.
7. transportation means as claimed in claim 6 is characterized by, and directly two driven gears that contact with sun gear are positioned at an end of transportation means.
8. transportation means as claimed in claim 6 is characterized by, and the right driven gear of front-wheel is driven by directly meshing with sun gear.
9. transportation means as claimed in claim 4 is characterized by, and each driven gear is a gear segment.
10. transportation means as claimed in claim 1 is characterized by, and driving device is a chain or a belt transmission.
11. transportation means as claimed in claim 1, it is characterized by, the rotation that wheel shaft carries out with respect to the rotation axis of corresponding hunting gear in horizontal surface makes wheel mounted thereto change the direction with respect to transportation means, and the hunting gear that will cause this wheel shaft drives this driving device, thus make all other wheel shaft also in horizontal surface around they corresponding rotation axis and rotate.
12. transportation means as claimed in claim 11 is characterized by, hunting gear is a driven gear section.
13. transportation means as claimed in claim 12 is characterized by, a driven gear Duan Youyi pivot member is installed on its wheel shaft, and this driven gear section is positioned on the first end of pivot member.
14. transportation means as claimed in claim 13 is characterized by, each pivot member is pivotably mounted on the place, middle part of the length of transportation means.
15. transportation means as claimed in claim 12 is characterized by, driven gear Duan Youyi right idler gear operability ground of front-wheel connects.
16. transportation means as claimed in claim 13 is characterized by, the pivot member of each wheel of front-wheel centering has a front portion, and the driven gear section is installed on it.
17. transportation means as claimed in claim 14 is characterized by, each right pivot member of front-wheel has a part that extends back, and each part that extends back has a rear end, and another driven gear section is installed on it.
18. transportation means as claimed in claim 17 is characterized by, and is connected to each another driven gear section operability on each right driven gear section of trailing wheel.
19. transportation means as claimed in claim 15 is characterized by, idler gear has two along the relative gear segment of diametric(al).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPP1990 | 1998-02-26 | ||
| AUPP1990A AUPP199098A0 (en) | 1998-02-26 | 1998-02-26 | Steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1291951A CN1291951A (en) | 2001-04-18 |
| CN1139509C true CN1139509C (en) | 2004-02-25 |
Family
ID=3806257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998033278A Expired - Fee Related CN1139509C (en) | 1998-02-26 | 1999-02-23 | Steering system |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1056636A4 (en) |
| JP (1) | JP2002504460A (en) |
| CN (1) | CN1139509C (en) |
| AR (1) | AR014660A1 (en) |
| AU (1) | AUPP199098A0 (en) |
| CA (1) | CA2322274A1 (en) |
| HK (1) | HK1034942A1 (en) |
| NZ (1) | NZ505931A (en) |
| TW (1) | TW421629B (en) |
| WO (1) | WO1999043531A1 (en) |
| ZA (1) | ZA991513B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502051A (en) * | 2018-03-23 | 2018-09-07 | 湖南奥天来机器人有限公司 | Intelligent AGV transfer robots |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPQ882000A0 (en) * | 2000-07-17 | 2000-08-10 | Igc (Australia) Pty Ltd | Improvements in moveable load-carrying assemblies |
| EP1423284B1 (en) * | 2001-09-05 | 2006-01-11 | Hill-Rom Services, Inc. | Hospital bed wheel linkage apparatus |
| CN104210545A (en) * | 2014-08-29 | 2014-12-17 | 东北大学 | Novel omnidirectional moving platform |
| WO2016142861A1 (en) * | 2015-03-10 | 2016-09-15 | Tellure Rota S.P.A. | Transport trolley with steering wheels |
| CN108099971B (en) * | 2017-11-27 | 2020-06-02 | 海安吉德机电技术开发有限公司 | Shallow is carried to building materials |
| CN109809164B (en) * | 2019-01-24 | 2020-09-08 | 金溪县安卓物流有限公司 | Commodity circulation consignment device for letter sorting line |
| CN117450885B (en) * | 2023-12-26 | 2024-04-26 | 泰州市勤峰物资有限公司 | Bicycle chain length testing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3039947A1 (en) * | 1980-10-23 | 1982-06-03 | Heinz F. Dittmer Werkzeug- und Maschinenbau, 2805 Stuhr | Manually-driven workshop trolley - has four-wheel steering by gear with steering lock differential for curve of inside and outside wheels |
| DE3514638A1 (en) * | 1985-02-15 | 1986-10-30 | Argus-Film GmbH, 8000 München | Four-wheeled trolley having a trolley body, in particular film-camera trolley to be pushed by hand |
| US5322140A (en) * | 1992-02-03 | 1994-06-21 | Amigo Mobility International, Inc. | Steering systems for four-wheeled carts |
| US5964471A (en) * | 1995-03-22 | 1999-10-12 | Copland; Alaister | Steerable trolley |
| DE19514092A1 (en) * | 1995-04-13 | 1996-10-17 | Movietechn Filmgeraete Gmbh & | Support wheel assembly for camera trolley |
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1998
- 1998-02-26 AU AUPP1990A patent/AUPP199098A0/en not_active Abandoned
-
1999
- 1999-02-23 NZ NZ505931A patent/NZ505931A/en unknown
- 1999-02-23 CN CNB998033278A patent/CN1139509C/en not_active Expired - Fee Related
- 1999-02-23 JP JP2000533302A patent/JP2002504460A/en not_active Withdrawn
- 1999-02-23 EP EP99907189A patent/EP1056636A4/en not_active Withdrawn
- 1999-02-23 WO PCT/AU1999/000106 patent/WO1999043531A1/en not_active Application Discontinuation
- 1999-02-23 CA CA002322274A patent/CA2322274A1/en not_active Abandoned
- 1999-02-25 TW TW088102862A patent/TW421629B/en active
- 1999-02-25 ZA ZA9901513A patent/ZA991513B/en unknown
- 1999-02-26 AR ARP990100826A patent/AR014660A1/en unknown
-
2001
- 2001-08-15 HK HK01105708A patent/HK1034942A1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108502051A (en) * | 2018-03-23 | 2018-09-07 | 湖南奥天来机器人有限公司 | Intelligent AGV transfer robots |
| CN108502051B (en) * | 2018-03-23 | 2019-02-15 | 湖南德莱博智能装备有限公司 | Intelligent AGV transfer robot |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA991513B (en) | 1999-08-26 |
| JP2002504460A (en) | 2002-02-12 |
| WO1999043531A1 (en) | 1999-09-02 |
| EP1056636A4 (en) | 2004-10-06 |
| EP1056636A1 (en) | 2000-12-06 |
| AUPP199098A0 (en) | 1998-03-19 |
| NZ505931A (en) | 2002-09-27 |
| CA2322274A1 (en) | 1999-09-02 |
| HK1034942A1 (en) | 2001-11-09 |
| TW421629B (en) | 2001-02-11 |
| CN1291951A (en) | 2001-04-18 |
| AR014660A1 (en) | 2001-03-28 |
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