CN208911379U - A kind of treadmill that adjustable treadbelt is elastic - Google Patents
A kind of treadmill that adjustable treadbelt is elastic Download PDFInfo
- Publication number
- CN208911379U CN208911379U CN201821281983.0U CN201821281983U CN208911379U CN 208911379 U CN208911379 U CN 208911379U CN 201821281983 U CN201821281983 U CN 201821281983U CN 208911379 U CN208911379 U CN 208911379U
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- Prior art keywords
- treadmill
- treadbelt
- elastic
- adjustable
- hole
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- 238000005452 bending Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 210000003734 kidney Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to field of exercise equipment, especially a kind of treadmill that adjustable treadbelt is elastic.The elastic treadmill of the adjustable treadbelt includes: the guide rail being fixed on the treadmill frame and support portion, the sliding block being slidably disposed on the guide rail and adjustment screw, compressed spring；Adjustment hole is offered on the support portion, offers through-hole on the driven voller, offers threaded hole on the sliding block；The adjustment screw sequentially passes through the screw hole on adjustment hole, through-hole, compressed spring and the sliding block；The bolt head of the adjustment screw is supported on the support portion, and the screw rod of the adjustment screw slidably cooperates with the adjustment hole, through-hole, compressed spring, and the driven voller and sliding block are supported in the both ends of the compressed spring respectively.In the present invention, it is elastic to adjust treadbelt that elastic force suffered by the elastic treadmill adjustment screw adjusting slider position change driven voller of treadbelt is adjusted.
Description
Technical field
The utility model relates to field of exercise equipment, especially a kind of treadmill that adjustable treadbelt is elastic.
Background technique
The use of treadmill is fairly common at present.The treadmill belt of treadmill is generally made of rubber material, such as received heat
With the influence of pulling force, after people move a period of time on a treadmill or park a period of time, treadmill belt can be with heat
Treadmill belt is elongated with tensile force, makes person taking exercise when using treadmill, also needs the tensile force of adjustment treadmill belt.Existing running
The regulative mode of machine treadbelt is need to tighten adjusting screw by hand, so that treadbelt is transferred to desired position, but this mode exists quite
Big drawback: 1) through placement or movement after a period of time, treadbelt loosens or the phenomenon that sideslip is difficult to avoid that；2) amateur people
Member has certain technical difficulty when adjusting.
Utility model content
In order to overcome the above problem, the purpose of this utility model is to provide a kind of treadmill that adjustable treadbelt is elastic,
Treadbelt can be tensioned in treadbelt relaxation or unclamp treadbelt in treadbelt tension, adjust easy.
In order to achieve the above-mentioned advantages, the elastic treadmill of adjustable treadbelt provided by the utility model includes: treadmill frame, two sides
Be fixed on treadmill pedal on the treadmill frame, positioned at the drive roll of the treadmill pedal front end, positioned at the treadmill pedal rear end
Driven voller, around the treadbelt of the drive roll, treadmill pedal, driven voller；The treadbelt is recycled sliding under the driving of the drive roll；
Its further include: the guide rail and support portion that are fixed on the treadmill frame, the sliding block being slidably disposed on the guide rail and
Adjustment screw, compressed spring；Adjustment hole is offered on the support portion, offers through-hole on the driven voller, is opened up on the sliding block
There is threaded hole；The adjustment screw sequentially passes through the screw hole on adjustment hole, through-hole, compressed spring and the sliding block；The adjustment
The bolt head of screw rod is supported on the support portion, and the screw rod of the adjustment screw is slidably matched with the adjustment hole, through-hole, compressed spring
It closes, the driven voller and sliding block are supported in the both ends of the compressed spring respectively.
It further include the cushion block with through-hole in one embodiment of the utility model, which is located at the compression
Between spring and the driven voller.
In one embodiment of the utility model, the cushion block has the arc being bonded with the shaft of the driven voller
Face.
In one embodiment of the utility model, the cushion block has to be used to increase this backwards to what the driven voller extended
The siphonata of cushion block and the adjustment screw contact area.
In one embodiment of the utility model, the sliding block be rectangular block shape structure, the treadmill frame have with
The first contact surface and the second contact surface of the shoe contact, first contact surface and the second contact surface position are adjacent and mutual
Vertically.
In one embodiment of the utility model, the guide rail includes the rail body of bar shaped and for being connected and fixed this
The fixed part of rail body and treadmill frame, the rail body and the treadmill frame have gap, and the sliding block has and can hold
Receive the coordinate breach of the rail body.
In one embodiment of the utility model, the rail body is backwards to the end of the fixed part towards the race
Edge of table frame is formed by bending the interconnecting piece against the treadmill frame.
In one embodiment of the utility model, the treadmill pedal has keep away corresponding with the sliding block sliding scale
Allow notch.
In one embodiment of the utility model, the adjustment hole is the kidney-shaped being arranged along the driven voller axis direction
Hole.
Have described in being positioned in one embodiment of the utility model, between the bolt head and the support portion
The rear cover of treadmill frame rear end has gasket between the bolt head and the rear cover.
In the present invention, the elastic treadmill adjustment screw adjusting slider position change driven voller institute of treadbelt is adjusted
The elastic force received is elastic to adjust treadbelt, adjusts easy.
In the present invention, sliding block is equipped with sliding slot, and sliding slot and guide rail cooperate that not only prevent sliding block same with adjustment screw
Turn, the position for changing sliding block can be also moved along the rail when adjustment screw is adjusted.Slide block structure is simple, easy to process.
In the present invention, the elastic treadmill of treadbelt is adjusted and is provided with cushion block, cushion block be located at compressed spring and from
Between dynamic roller.Compressed spring is set preferably to keep the elastic performance to driven voller.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the elastic treadmill of adjustable treadbelt of the utility model first embodiment.
Fig. 2 show enlarged diagram at the A of Fig. 1.
Fig. 3 show the schematic cross-sectional view of the driven voller of the elastic treadmill of adjustable treadbelt of Fig. 1.
Fig. 4 show enlarged diagram at the B of Fig. 3.
Fig. 5 show the partial structural diagram of the elastic treadmill of adjustable treadbelt of Fig. 1.
Fig. 6 show the partial structurtes explosive view of the elastic treadmill of adjustable treadbelt of Fig. 5.
Fig. 7 show the structural schematic diagram of the guide rail of the elastic treadmill of adjustable treadbelt of Fig. 5.
Fig. 8 show the structural schematic diagram of the sliding block of the elastic treadmill of adjustable treadbelt of Fig. 5.
Fig. 9 show the structural schematic diagram of the cushion block of the elastic treadmill of adjustable treadbelt of Fig. 5.
Figure 10 show the partial structurtes signal of the elastic treadmill of adjustable treadbelt of the utility model second embodiment
Figure.
Figure 11 show the partial structurtes signal of the elastic treadmill of adjustable treadbelt of the utility model 3rd embodiment
Figure.
Figure 12 show the partial structurtes signal of the elastic treadmill of adjustable treadbelt of the utility model fourth embodiment
Figure.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect,
Detailed description is as follows.
Fig. 1 show the structural schematic diagram of the elastic treadmill of adjustable treadbelt of the utility model first embodiment.Fig. 2
It show enlarged diagram at the A of Fig. 1.Referring to Figure 1-2, the elastic race of the adjustable treadbelt of the utility model first embodiment
Step machine includes: that treadmill frame 1, two sides are fixed on the treadmill pedal 2 on treadmill frame 1, the drive roll positioned at 2 front end of treadmill pedal
3, positioned at 2 rear end of treadmill pedal driven voller 4, around drive roll 3, treadmill pedal 2, driven voller 4 treadbelt 5, be fixed on treadmill
Guide rail 6 and support portion 7 on frame 1, sliding block 8, adjustment screw 9, the compressed spring t, cushion block being slidably disposed on guide rail 6
11。
Treadbelt 5 is recycled sliding under the driving of drive roll 3.Treadbelt 5 has elasticity.5 inner surface of treadbelt is equipped with for increasing
Add the pattern structure of frictional force.Decorative pattern is Argyle.In the other embodiments of the utility model, 5 inner surface of treadbelt can also
To be not provided with pattern structure.
Fig. 3 show the schematic cross-sectional view of the driven voller of the elastic treadmill of adjustable treadbelt of Fig. 1.Fig. 4 show Fig. 3
B at enlarged diagram.Fig. 3-4 is referred to, drive roll 3 and/or driven voller 4 respectively include shaft A1 and be set in outside shaft A1
The shuttle shape pipe roll body A2 become larger from both ends towards middle part outer diameter.There is bearing between shaft A1 and shuttle shape pipe roll body A2
A3.The shaft of driven voller 4 offers the through-hole 41 for allowing adjustment screw 9 to pass through.41 liang of end sections of through-hole become larger, and facilitate tune
Whole screw rod 9 is inserted into.
Fig. 5 show the partial structural diagram of the elastic treadmill of adjustable treadbelt of Fig. 1.
Fig. 6 show the partial structurtes explosive view of the elastic treadmill of adjustable treadbelt of Fig. 5.What Fig. 7 showed Fig. 5 can
Adjust the structural schematic diagram of the guide rail of the elastic treadmill of treadbelt.Fig. 5-7 is referred to, guide rail 6 includes the rail body 61 of bar shaped
With the fixed part 62 for being connected and fixed rail body 61 and treadmill frame 1.End court of the rail body 61 backwards to fixed part 62
The interconnecting piece 63 against treadmill frame 1 is formed by bending to treadmill frame 1.Rail body 61 and treadmill frame 1 have gap.It is preferred that
, rail body 61 is integrally formed with fixed part 62, interconnecting piece 63.Specifically, the fixed part 62 of guide rail 6 is fixed on treadmill side
Frame 1 is towards on the lateral wall 101 of treadmill pedal 2.
The section of support portion 7 is L shape.The adjustment hole 71 for passing through adjustment screw 9 is offered on support portion 7.Adjustment hole 71
For the kidney slot being arranged along 4 axis direction of driven voller.Support portion 7 is fixed on treadmill frame 1 towards the inner sidewall of treadmill pedal 2
On 102.
Fig. 8 show the structural schematic diagram of the sliding block of the elastic treadmill of adjustable treadbelt of Fig. 5.Refer to Fig. 8, sliding block
8 be rectangular block shape structure.The threaded hole 81 being threadedly engaged with adjustment screw 9 is offered on sliding block 8.Edge is offered on sliding block 8 to lead
The sliding slot 82 that rail 6 slides.Treadmill frame 1 has the first contact surface and the second contact surface that contacts with sliding block 8, the first contact surface with
Second contact surface position is adjacent and is mutually perpendicular to.Treadmill pedal 2 has evacuation notch 21 corresponding with 8 sliding scale of sliding block.
Adjustment screw 9 sequentially passes through 81 screw thread of threaded hole on adjustment hole 71, through-hole 41, compressed spring t and sliding block 8 and connects
It connects.Adjustment screw 9 slidably cooperates with adjustment hole 71, through-hole 41, compressed spring t, and the both ends of compressed spring t are supported driven respectively
Roller 4 and sliding block 8.
The bolt head 91 of adjustment screw 9 is supported on support portion 7.Have between bolt head 91 and support portion 7 and is positioned over
The rear cover 12 of 1 rear end of treadmill frame has gasket 13 between bolt head 91 and rear cover 12.
Fig. 9 show the structural schematic diagram of the cushion block of the elastic treadmill of adjustable treadbelt of Fig. 5.Refer to Fig. 9, cushion block
11 between compressed spring t and driven voller 4.Cushion block 11 is for keeping compressed spring t preferably to the elastic of driven voller
Energy.Cushion block 11 has the through-hole 110 for allowing adjustment screw 9 to pass through.Cushion block 11 has the arcwall face being bonded with the shaft of driven voller 4
111.Cushion block 11 has the siphonata 112 for being used to increase cushion block 11 Yu 9 contact area of adjustment screw extended backwards to driven voller 4.
Compressed spring t is set in outside siphonata 112 and supports cushion block 11.
The shuttle shape pipe roll body become larger from both ends towards middle part outer diameter is used in the present embodiment, makes in the middle part of treadbelt
Power is greater than the tension of treadbelt two sides, and when treadbelt transverse shifting, the tension of treadbelt side needs to increase.Therefore treadbelt is increased along shuttle
The mobile difficulty of shape roll body axis direction.Treadbelt inner surface is provided with the decorative pattern of diamond structure, does not set compared to treadbelt inner surface
The technical solution for setting pattern structure increases the frictional force of treadbelt Yu shuttle shape pipe roll body, reduces between treadbelt and shuttle shape pipe roll body
A possibility that skidding.
Fixed respectively on lateral wall and inner sidewall in treadmill frame towards treadmill pedal lead is additionally used in the present embodiment
The bolt head of rail and support portion, adjustment screw is supported on support portion, and the tail portion of adjustment screw is threadedly coupled with sliding block, and sliding block is set
Sliding slot corresponding with guide rail is set, a part of guide rail is contained in sliding slot, on the one hand makes sliding block will not be with the rotation of screw rod
And displacement can not be generated to sliding block by and then rotating, on the other hand make the position of sliding block with adjustment screw rotate clockwise or
Person rotates counterclockwise and moves the elastic force for generating change in location to change compressed spring suffered by driven voller along guide rail, makes driven voller
It can be moved in a certain range along treadbelt direction of travel, therefore realize the elastic of adjustment treadbelt and adjust easy.
Figure 10 show the partial structurtes signal of the elastic treadmill of adjustable treadbelt of the utility model second embodiment
Figure.Referring to Figure 10, the structure and principle and this reality of the elastic treadmill of the adjustable treadbelt of the utility model second embodiment
Similar with the elastic treadmill of the adjustable treadbelt of novel first embodiment, the difference of the two is: the guide rail 6 of the present embodiment wraps
Include the rail body 61 of bar shaped and the fixed part 62 for being connected and fixed rail body 61 and treadmill frame 1.Rail body 61 is carried on the back
The interconnecting piece 63 against treadmill frame 1 is formed by bending to the end of fixed part 62 towards treadmill frame 1.The end of interconnecting piece 63 has
There is the support portion 7 extended towards treadmill pedal 2.Preferably, guide rail 6 is integrally formed with support portion 7.
Guide rail and the integrally formed method of support portion are used in the present embodiment, the step of when reducing installation, are improved
Installation effectiveness, the treadmill elastic compared to the adjustable treadbelt of first embodiment use respectively in treadmill frame towards treadmill
The lateral wall and inner sidewall upper mounting rail of pedal and the technical solution of support portion have advanced optimized installation guide rail and support portion
Convenience.
Use guide rail and the integrally formed method of support portion in further the present embodiment, support portion by guide rail company
Socket part is bent towards the direction of treadmill pedal, and guide rail and support portion can form directly by plate stamping, reduces number of parts, and one
Aspect guide rail and support portion are integrally formed the manufacturing procedure and rapidoprint for reducing processing guide rail and support portion.On the other hand it leads
Rail and support portion are integrally formed the quantity for reducing processing fixation hole, reduce the position precision of processing fixation hole, that is to say, that
The technical solution of first embodiment needs to process fixation hole on guide rail and support portion respectively and fixation hole needs and treadmill side
Fixation hole on frame is corresponding, therefore the position that the present embodiment not only reduces the quantity of processing fixation hole, reduces processing fixation hole
Precision is set, process time is also saved, improves production efficiency.
Figure 11 show the partial structurtes signal of the elastic treadmill of adjustable treadbelt of the utility model 3rd embodiment
Figure.Referring to Figure 11, the structure and principle and this reality of the elastic treadmill of the adjustable treadbelt of the utility model 3rd embodiment
Similar with the elastic treadmill of the adjustable treadbelt of novel first embodiment, the difference of the two is: the guide rail 6 of the present embodiment is
The plate structure of rectangle.Guide rail 6 is connected and fixed with treadmill frame 1.Preferably, guide rail 6 and treadmill frame 1 are integrally formed.
Using the guide rail of the plate structure of rectangle in the present embodiment, guide rail is connected and fixed with treadmill frame, compared to the
The guide rail of the elastic treadmill of the adjustable treadbelt of one embodiment includes rail body, fixed part and connection rail body and consolidates
Determine the interconnecting piece in portion, the technical solution that the side of guide rail and treadmill frame is connected and fixed further simplifies the structure of guide rail, leads
The connection type of rail and treadmill frame is more convenient.
Guide rail and the integrally formed method of treadmill frame, guide rail and treadmill frame are used in further the present embodiment
By extruder extrusion molding, the process time of guide rail and the time of guide rail and treadmill frame being connected and fixed are saved.
Figure 12 show the partial structurtes signal of the elastic treadmill of adjustable treadbelt of the utility model fourth embodiment
Figure.Referring to Figure 12, the structure and principle and this reality of the elastic treadmill of the adjustable treadbelt of the utility model fourth embodiment
Similar with the elastic treadmill of the adjustable treadbelt of novel first embodiment, the difference of the two is: the support portion 7 of the present embodiment
Section be U-shaped.Support portion 7 is against treadmill frame 1 towards the side of treadmill pedal 2.Support portion 7 connect solid with treadmill frame 1
It is fixed.Guide rail 6 is fixed on support portion 7.Guide rail 6 is column construction.Sliding block 8 offers the through-hole for allowing guide rail 6 to pass through.Further
, guide rail 6 can be axis, bolt, the one of which in screw rod.In the other embodiments of the utility model, the section of guide rail 6
It can also be rectangular, oval, trapezoidal, polygon etc..
Section is used in the present embodiment as the support portion of U-shaped, reduces the evacuation essence of the treadmill notch on treadmill pedal
Degree, the treadmill elastic compared to the adjustable treadbelt of first embodiment use the evacuation notch by being arranged on treadmill pedal
The technical solution for carrying out anti-limited slip block disengaging screw rod further reduced a possibility that sliding block is detached from screw rod.
In the present invention, the elastic treadmill adjustment screw adjusting slider position change driven voller institute of treadbelt is adjusted
The elastic force received is elastic to adjust treadbelt, adjusts easy.
In the present invention, sliding block is equipped with sliding slot, and sliding slot and guide rail cooperate that not only prevent sliding block same with adjustment screw
Turn, the position for changing sliding block can be also moved along the rail when adjustment screw is adjusted.Slide block structure is simple, easy to process.
In the present invention, the elastic treadmill of treadbelt is adjusted and is provided with cushion block, cushion block be located at compressed spring and from
Between dynamic roller.Compressed spring is set preferably to keep the elastic performance to driven voller.
More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model
System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above
A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to
According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within
In the range of technical solutions of the utility model.
Claims (10)
1. a kind of treadmill that adjustable treadbelt is elastic, the treadmill being fixed on the treadmill frame including treadmill frame, two sides is stepped on
Plate, the driven voller positioned at the treadmill pedal rear end, is stepped on around the drive roll, treadmill the drive roll positioned at the treadmill pedal front end
The treadbelt of plate, driven voller；The treadbelt is recycled sliding under the driving of the drive roll；It is characterized in that, it further includes being fixed on
Guide rail and support portion on the treadmill frame, the sliding block being slidably disposed on the guide rail and adjustment screw, compression bullet
Spring；Adjustment hole is offered on the support portion, offers through-hole on the driven voller, offers threaded hole on the sliding block；The adjustment
Screw rod sequentially passes through the screw hole on adjustment hole, through-hole, compressed spring and the sliding block；The bolt head of the adjustment screw is supported
On the support portion, the screw rod of the adjustment screw slidably cooperates with the adjustment hole, through-hole, compressed spring, the compressed spring
The driven voller and sliding block are supported respectively in both ends.
2. the elastic treadmill of adjustable treadbelt according to claim 1, which is characterized in that it further includes having through-hole
Cushion block, the cushion block is between the compressed spring and the driven voller.
3. the elastic treadmill of adjustable treadbelt according to claim 2, which is characterized in that the cushion block have with it is described
The arcwall face of the shaft fitting of driven voller.
4. the elastic treadmill of adjustable treadbelt according to claim 3, which is characterized in that the cushion block has backwards to institute
State the siphonata for being used to increase the cushion block Yu the adjustment screw contact area of driven voller extension.
5. the elastic treadmill of adjustable treadbelt according to claim 1, which is characterized in that the sliding block is rectangular block shape
Structure, the treadmill frame have the first contact surface and the second contact surface with the shoe contact, first contact surface and should
Second contact surface position is adjacent and is mutually perpendicular to.
6. the elastic treadmill of adjustable treadbelt according to claim 1, which is characterized in that the guide rail includes bar shaped
Rail body and fixed part for being connected and fixed the rail body and treadmill frame, the rail body and the treadmill frame have
There is gap, the sliding block has the coordinate breach that can accommodate the rail body.
7. the elastic treadmill of adjustable treadbelt according to claim 6, which is characterized in that the rail body is backwards to institute
The end for stating fixed part is formed by bending the interconnecting piece against the treadmill frame towards the treadmill frame.
8. the elastic treadmill of adjustable treadbelt according to claim 1, which is characterized in that the treadmill pedal have with
The corresponding evacuation notch of the sliding block sliding scale.
9. the elastic treadmill of adjustable treadbelt according to claim 1, which is characterized in that the adjustment hole is along described
The kidney slot of driven voller axis direction setting.
10. the elastic treadmill of adjustable treadbelt according to claim 1, which is characterized in that the bolt head with it is described
There is the rear cover for being positioned over treadmill frame rear end between support portion, there is gasket between the bolt head and the rear cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821281983.0U CN208911379U (en) | 2018-08-09 | 2018-08-09 | A kind of treadmill that adjustable treadbelt is elastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821281983.0U CN208911379U (en) | 2018-08-09 | 2018-08-09 | A kind of treadmill that adjustable treadbelt is elastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208911379U true CN208911379U (en) | 2019-05-31 |
Family
ID=66701806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821281983.0U Expired - Fee Related CN208911379U (en) | 2018-08-09 | 2018-08-09 | A kind of treadmill that adjustable treadbelt is elastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208911379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694237A (en) * | 2019-09-25 | 2020-01-17 | 北京金史密斯科技有限公司 | Running belt adjusting system, running machine and walking machine |
-
2018
- 2018-08-09 CN CN201821281983.0U patent/CN208911379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694237A (en) * | 2019-09-25 | 2020-01-17 | 北京金史密斯科技有限公司 | Running belt adjusting system, running machine and walking machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |