CN207286590U - Power assisting device is trained in a kind of chin-up - Google Patents
Power assisting device is trained in a kind of chin-up Download PDFInfo
- Publication number
- CN207286590U CN207286590U CN201721192174.8U CN201721192174U CN207286590U CN 207286590 U CN207286590 U CN 207286590U CN 201721192174 U CN201721192174 U CN 201721192174U CN 207286590 U CN207286590 U CN 207286590U
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- connection
- chin
- drag
- pulley
- assisting device
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 210000003734 kidney Anatomy 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000012549 training Methods 0.000 description 18
- 230000005484 gravity Effects 0.000 description 7
- 210000001364 upper extremity Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
Power assisting device is trained in a kind of chin-up, including with horizontal bar（12）Top connection stent（2）；With the stent（2）The first pulley of connection（3）And second pulley（4）；Cylinder seat and the stent（2）First plunger case of connection（5）；First end and first plunger case（5）Plunger connected away from cylinder seat end, second end bypasses second pulley successively（4）, first pulley（3）The first drag-line（6）；With first drag-line（6）Second end connection binding clothing or binding strap（7）；Pass through hydraulic oil pipe and first plunger case（5）Second plunger case of connection（8）；With second plunger case（8）Plunger connection put hanger（9）；Some pieces are put hanger with described（9）The clump weight being detachably connected（10）.
Description
Technical field
Physical education appliance technology is the utility model is related to, more particularly, to a kind of chin-up training power-assisted dress
Put.
Background technology
Chin-up, examines one of examination selection project with senior middle school physical culture nationwide examination for graduation qualification in physical culture, main to test muscle of upper extremity power
The development level of amount, is the checking item of male's upper limbs force, is the pendency strengthening exercise that itself strength overcomes self gravitation.It is
One of the method for most basic exercise back, and weigh the important references standard sum term mesh of male's constitution.Chin-up requirement
Male has certain grip, upper limbs force and shoulder belt strength, this strength must be able to overcome the weight of itself to complete once.
Chin-up plays an important role development upper limb pendency strength, shoulder belt strength and grip.It is time to be completed by movement standards
Count to calculate achievement, be made and at most do well in, therefore, it is a kind of strength endurance project.Many beginners are often due to the back of the body
Portion's muscle strength is weak, forearm cannot persistently be had an effect, it is difficult to completes training, does not reach training effect.Arm of the chin-up to people
Power and waist abdomen force requirements are very high, to overweight people, middle-aged and elderly people physically-draining person, can only Wang Gang heave a sigh.Beginner and heavier
People in practice, it is often necessary to auxiliary force is provided, could be completed corresponding trained.
CN205886161U disclosed a kind of booster of chin-up training on 01 18th, 2017.It includes peace
Quan Sheng, safety rope are fixed on horizontal bar, further include vest, and the neck protection of arc notch formula is provided with the top of vest
Area and shoulder guard plot, are provided with two rows of vertically arranged binding holes, one end of safety rope is consolidated in the front and back of vest
It is scheduled on horizontal bar, the other end of safety rope is fixed on binding hole.Safety rope is telescopic stretch cord, can be provided when taking exercise
Power-assisted.
In the prior art, chin-up power assisting device is mostly elastic device, with the movement of body, what elastic device provided
Elastic force constantly changes, and after chin-up trainer's position rises a distance, the power-assisted size that power assisting device provides can reduce,
Constant auxiliary pulling force cannot be provided.After the power-assisted of offer reduces, trainer may can not still complete whole chin-up action.
In addition, the power-assisted size that power assisting device provides cannot adjust；Power-assisted is excessive, does not have good training effect, and power-assisted is too small, can
It can not complete whole chin-up action；The power-assisted size that elastic booster provides is when elongation is identical, power-assisted size
Identical, the power-assisted that different trainer's needs provide is often of different sizes, and elastic booster is difficult to meet this requirement.
Utility model content
The utility model provides one kind for solution above-mentioned technical problem can provide constant power-assisted, and can be conveniently adjusted power-assisted
The chin-up training power assisting device of size.
In order to solve the above-mentioned technical problem, the utility model provides a kind of chin-up training power assisting device, including with list
The stent of the top connection of thick stick；The first pulley and second pulley being connected with the stent；Cylinder seat be connected with the stent
One plunger case；First end is connected with the plunger of first plunger case away from cylinder seat end, and second end is successively around second pulley, the
First drag-line of one pulley；The binding clothing or binding strap being connected with the second end of first drag-line；Pass through hydraulic oil pipe and institute
State the second plunger case of the first plunger case connection；Hanger is put with what the plunger of second plunger case was connected；Some pieces with it is described
Put the clump weight that hanger is detachably connected.
As further improved technology scheme, power assisting device is trained in chin-up provided by the utility model, also with position
In the opposite side for putting hanger, with the guide rod put hanger and be slidably connected.
On the basis of above-mentioned improvement project, as further improved technology scheme, it is provided by the utility model draw body to
Upper trained power assisting device, also has the kidney slot being arranged on the guide rod axial direction；Penetrate the waist of opposite side guide rod
The bolt in shape hole；The band handle nut being connected with the threaded one end of the bolt.
As further improved technology scheme, power assisting device is trained in chin-up provided by the utility model, also with upper
End is connected with the second end of the first drag-line, lower end and the binding clothing or the Shou Suo mechanisms of binding band connection；The Shou Suo mechanisms
Including hollow housing；The 3rd pulley and the 4th pulley being connected with the top of the housing；It is connected with the lower part of the housing
The first eccentric wheel；The first guide post and the second guide post being connected with the housing；Pass through guide sleeve and first guide post and second
The movable stand that guide post is slidably connected；The second eccentric wheel being connected with the movable stand；Positioned at the upper top of the movable stand and housing
Between compression spring；First end and the binding clothing or binding band connection, second end is successively around the 3rd pulley, second
Eccentric wheel and the 4th pulley, stretch out the second drag-line of the hull outside；It is connected with the second end of second drag-line spacing
It is tensioned ball；With the stop rod of the bottom connection of the housing；The stop pin being connected with first eccentric wheel；When the stop pin
When being contacted with stop rod, the point of rotation of first eccentric wheel and the line at center in horizontal direction, the stop pin and stop bit
The collective effect of bar prevents the center of the first eccentric wheel from being moved to the bottom direction of housing.
As further improved technology scheme, power assisting device is trained in chin-up provided by the utility model, and first is eccentric
The contact surface of wheel and the second drag-line is equipped with the boss for being used for increasing friction, the contact surface of second drag-line and the first eccentric wheel
Equipped with the groove engaged with the boss.
As further improved technology scheme, power assisting device is trained in chin-up provided by the utility model, is also had and is set
Put in the clump weight storage rack for putting hanger side.
As further improved technology scheme, power assisting device, the counterweight are trained in chin-up provided by the utility model
Block storage rack includes the frame body that side is opened wide；An at least fixed link being connected with the frame body；Clump weight is equipped with for described solid
The hole or card slot that fixed pole penetrates, the remote one end being connected with frame body of the fixed link are equipped with lockset mounting hole, and lockset is pacified with lockset
After the connection of dress hole latches, the clump weight being inserted in fixed link is pinned.
As further improved technology scheme, power assisting device, the counterweight are trained in chin-up provided by the utility model
Block is the identical or different clump weight of weight, and polylith clump weight is combined into the combinations of weights of different weight.
In the case where there is no conflict, above-mentioned improvement project can be implemented alone or in combination.
Technical solution provided by the utility model, when chin-up trainer need to train by auxiliary force, according to training
Person needs the chin-up power-assisted size provided, the clump weight that configuration matches with power-assisted size on hanger is put；Trainer system
Clothing or binding strap are bound well, give trainer one constant rising auxiliary force.Clump weight is the identical or different clump weight of weight,
Polylith clump weight is combined into the combination of different weight, suitable clump weight can be added on hanger toward putting as needed, met not
Same power-assisted demand, the change of power-assisted size are rapid and directly perceived.
For the size of power-assisted by being determined toward the clump weight added on hanger is put, trainer can understand the size of power-assisted in real time
Situation, is conducive to the effect that trainer understands training.The size of power-assisted can easily be changed during training, so as to reach more preferable instruction
Practice effect.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and forms the part of the application, the utility model
Schematic description and description is used to explain the utility model, does not form the improper restriction to the utility model.In attached drawing
In：
Fig. 1 is the front view structure schematic diagram that power assisting device is trained in embodiment chin-up；
Fig. 2 is the left view structure principle chart that power assisting device is trained in embodiment chin-up；
Fig. 3 is the receipts rope mechanism structure principle schematic that power assisting device is trained in embodiment chin-up；
Fig. 4 is the plan structure principle schematic for the clump weight storage rack that power assisting device is trained in embodiment chin-up.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Chin-up training power assisting device as shown in Figure 1 to Figure 2, including the stent 2 being connected with the top of horizontal bar 12；With
The first pulley 3 and second pulley 4 that stent 2 connects；The first plunger case 5 that cylinder seat is connected with stent 2；First end and the first plunger
The plunger of cylinder 5 is connected away from cylinder seat end, and second end is successively around second pulley 4, the first drag-line 6 of first pulley 3；Drawn with first
The binding clothing 7 of the second end connection of rope 6；The second plunger case 8 connected by hydraulic oil pipe with the first plunger case 5；With the second column
Hanger 9 is put in the plunger connection of plug cylinder 8；Some pieces of clump weights 10 being detachably connected with putting hanger 9.
Operation principle：When chin-up trainer need to train power assisting device to provide auxiliary force training by chin-up,
Suitable clump weight 10 is added on hanger 9 toward putting as needed, clump weight 10 is the identical or different clump weight of weight, and polylith is matched somebody with somebody
Pouring weight 10 is combined into the combination of different weight, meets the demand of different power-assisted sizes.Second plunger case 8 put hanger 9 and
Under the gravity of clump weight 10, plunger moves down, and the hydraulic oil in the second plunger case 8 is toward flowing in the first plunger case 5, the first column
The plunger outward movement of plug cylinder 5, drives the first drag-line 6 and binding clothing 7 to be lifted up.Binding is fastened when trainer holds horizontal bar 12
Clothing 7, adjusts the length of the first drag-line 6, makes trainer in the original state that upper limb dangles, and the second plunger case 8 is in maximum
Stretching state, in the case where putting the gravity of hanger 9 and clump weight 10, the first drag-line 6 rising auxiliary constant to trainer one
Power, after trainer completes chin-up by movement standards, with the decline of trainer's body, trainer is to the first drag-line 6
Pulling force is more than the stretching power of the first plunger case 5, the plunger retraction of the first plunger case 5, and the hydraulic oil in the first plunger case 5 is toward second
Flowing in plunger case 8, the plunger outward movement of the second plunger case 8, drive are put the rising of hanger 9 and are resetted, you can repeat next draw
The upward power-assisted process of body, trainer's chin-up training power assisting device during decline also provide a power-assisted, mitigate
The pulling force of trainer's hand during decline.
Alternatively, chin-up training power assisting device provided by the utility model, also has to be located at and puts the opposite of hanger 9
Side, the guide rod 11 being slidably connected with putting hanger 9.Guide rod 11 play the guiding role, and makes to put moving up and down along guide rod for hanger 9
11 movements, the plunger of the second plunger case 8 do not produce eccentric force in telescopic process, its deviation of gravity center when being placed from clump weight 10
The influence at the plunger center of the second plunger case 8, protects the second plunger case 8.
On the basis of aforementioned improved scheme, alternatively, power assisting device is trained in chin-up provided by the utility model, also
With the kidney slot 13 being arranged on 11 axial direction of guide rod；Penetrate the bolt 14 of the kidney slot 13 of opposite side guide rod 11；
The band handle nut 15 being connected with the threaded one end of bolt 14.After bolt 14 penetrates the kidney slot 13 of opposite side guide rod 11, adjust
Position of the bolt 14 in kidney slot 13 is saved, then rotation band handle nut 15, the position of bolt 14 is fixed, bolt 14 is opposed
Pan position carries out spacing under the maximum of hanger 9, so as to adjust the plunger extension elongation of the first plunger case 5, adapts to different height instructions
The requirement of white silk person.
As shown in figure 3, alternatively, power assisting device is trained in chin-up provided by the utility model, also with upper end and the
The second end connection of one drag-line 6, the Shou Suo mechanisms 1 that lower end is connected with binding clothing 7；Shou Suo mechanisms 1 include hollow housing 101；
The 3rd pulley 102 and the 4th pulley 103 being connected with the top of housing 101；The first eccentric wheel being connected with the lower part of housing 101
104；The first guide post 105 and the second guide post 106 being connected with housing 101；Pass through two guide sleeves 107 and the first guide post 105 and second
The movable stand 108 that guide post 106 is slidably connected；The second eccentric wheel 109 being connected with movable stand 108；Positioned at movable stand 108 and housing
Compression spring 110 between 101 upper top；First end is connected with binding clothing 7, and second end bypasses the 3rd pulley 102, second successively
109 and the 4th pulley 103 of eccentric wheel, stretches out the second drag-line 111 outside housing 101；It is connected with the second end of the second drag-line 111
Spacing tensioning ball 112；With the stop rod 113 of the bottom connection of the housing 101；The stop bit being connected with the first eccentric wheel 104
Pin 114；When stop pin 114 is contacted with stop rod 113, the point of rotation of the first eccentric wheel 104 and the line at center are in level side
To the collective effect of stop pin 114 and stop rod 113 prevents the center of the first eccentric wheel 104 from being moved to the bottom direction of housing 101
It is dynamic.There is housing 101 109 center of the second eccentric wheel of limitation to reach the position-limit mechanism directly over its point of rotation, during use, the
The point of rotation of two eccentric wheels 109 and the line at center are in horizontal direction so that the first end of the second drag-line 111 is made under tension
Used time, in extruding impaction state between the first eccentric wheel 104 and the second eccentric wheel 109.
Alternatively, chin-up training power assisting device provided by the utility model, the first eccentric wheel 104 and the second drag-line
111 contact surface is equipped with the boss for being used for increasing friction, the contact surface of the second drag-line 111 and the first eccentric wheel 104 equipped with
The groove of boss engagement.
Operation principle：Trainer is after stretching out one's hand the position that can hold horizontal bar 12 or holding horizontal bar 12, when trainer fastens
Clothing 7 is bound, the plunger of the second plunger case 8, which is in, to be stretched out, and is put hanger 9 and is in extreme higher position, and the first drag-line 6 or the second drag-line
111 when being in non-tensioning state, and spacing tensioning ball 112 under gravity, makes the first eccentric wheel 104 and the second eccentric wheel
109 are located remotely from each other, and the second drag-line 111 departs from the first eccentric wheel 104, and the second drag-line 111 can slide on the second eccentric wheel 109,
Automatically the first drag-line 6 and the second drag-line 111 are tensioned；After trainer, which holds horizontal bar 12, fastens binding clothing 7, human body is in and stretches out one's hand
Horizontal bar 12 can be held and after upper limb is in overhang or holds horizontal bar 12, the plunger of the second plunger case 8 be in do not stretch out entirely or
Contraction state, put hanger 9 be not up to extreme higher position when, pull the second drag-line 111, the plunger of the first plunger case 5 be pulled to contraction
State, is in the plunger of the second plunger case 8 and stretches out, put hanger 9 and be in extreme higher position.First drag-line 6 and the second drag-line 111 are opened
Next, in the case where putting the gravity of hanger 9 and clump weight 10, the second drag-line 111 drives the second eccentric wheel 109 to the first eccentric wheel
104 directions deviate, and compression spring 110 provides enough elastic force, makes to extrude between the first eccentric wheel 104 and the second eccentric wheel 109
Compress, produce frictional force between the second drag-line 111 and the first eccentric wheel 104, the second eccentric wheel 109, the size of the frictional force is set
It is set to more than the gravity for putting hanger 9 and clump weight 10, the second drag-line 111 is fixed, the first drag-line 6 and the second drag-line 111 are all the time
It is subject to a pulling force effect, compression spring 110 can provide enough elastic force, connect the first eccentric wheel 104 and the second eccentric wheel 109
Extruding is touched, the supporting part length of the second drag-line 111 is fixed.When trainer's training finishes, both hands are after horizontal bar 12 leaves, and the
Two drag-lines 111 are subjected to the active force much larger than the gravity for putting hanger 9 and clump weight 10, in the effect pressure of the active force, compression
Spring 110 is compressed, and the gap between the first eccentric wheel 104 and the second eccentric wheel 109 is widened, the second drag-line 111 along second
The surface of eccentric wheel 109 is slided, and the second drag-line 111, which is drawn into binding 7 extreme direction of clothing, to be stretched out, the first drag-line 6 and the second drag-line
111 total load-bearing partial-length increase, lands easy to trainer；Spacing tensioning ball 112 cannot enter in housing 101, make first
The supporting part total length of 6 and second drag-line 111 of drag-line has a maximum, human body run-off the straight after thick stick under trainer
When, 7 and first drag-line 6 of binding clothing, the second drag-line 111 act synergistically, and apply restraining force to human body, effectively prevent trainer under
Fall during thick stick.
Alternatively, chin-up training power assisting device provided by the utility model, also has to be arranged on and puts 9 side of hanger
Clump weight storage rack 16.
As shown in figure 4, alternatively, power assisting device, clump weight storage rack 16 are trained in chin-up provided by the utility model
The frame body 201 opened wide including side；At least one fixed link 202 being connected with frame body 201；Clump weight 10 is equipped with and supplies fixed link
202 holes penetrated or card slot, the remote one end being connected with frame body 201 of fixed link 202 are equipped with lockset mounting hole 203, lockset and lock
After the tool connection of mounting hole 203 latches, the clump weight 10 being inserted in fixed link 202 is pinned.Prevent clump weight 10 fall or it is non-just
Often take away.
Alternatively, chin-up training power assisting device provided by the utility model, clump weight 10 are identical or different for weight
Clump weight, polylith clump weight 10 is combined into the combinations of weights of different weight.
The utility model is not limited to above preferred embodiment, can also be limited in the utility model claims and specification
Spirit in, carry out the conversion and improvement of diversified forms, can solve same technical problem, and technique effect expected from obtaining,
Therefore do not repeat.Those of ordinary skill in the art can from the utility model disclosure directly or all schemes for associating,
As long as within the spirit that claim limits, the scope of protection of the utility model is fallen within.
Claims (8)
1. power assisting device is trained in a kind of chin-up, it is characterised in that including with horizontal bar（12）Top connection stent（2）；
With the stent（2）The first pulley of connection（3）And second pulley（4）；Cylinder seat and the stent（2）First plunger case of connection
（5）；First end and first plunger case（5）Plunger connected away from cylinder seat end, second end bypasses second pulley successively（4）、
First pulley（3）The first drag-line（6）；With first drag-line（6）Second end connection binding clothing or binding strap（7）；It is logical
Cross hydraulic oil pipe and first plunger case（5）Second plunger case of connection（8）；With second plunger case（8）Plunger connect
What is connect puts hanger（9）；Some pieces are put hanger with described（9）The clump weight being detachably connected（10）.
2. power assisting device is trained in chin-up according to claim 1, it is characterised in that is also had and is put hanger positioned at described
（9）Opposite side, put hanger with described（9）The guide rod being slidably connected（11）.
3. power assisting device is trained in chin-up according to claim 2, it is characterised in that is also had and is arranged on the guiding
Bar（11）Kidney slot on axial direction（13）；Penetrate opposite side guide rod（11）Kidney slot（13）Bolt（14）；With institute
State bolt（14）Threaded one end connection band handle nut（15）.
4. power assisting device is trained in chin-up according to claim 1, it is characterised in that also with upper end and the first drag-line
（6）Second end connection, lower end and the binding clothing or binding strap（7）The Shou Suo mechanisms of connection（1）；The Shou Suo mechanisms（1）
Including hollow housing（101）；With the housing（101）Top connection the 3rd pulley（102）With the 4th pulley（103）；
With the housing（101）Lower part connection the first eccentric wheel（104）；With the housing（101）First guide post of connection（105）
With the second guide post（106）；Pass through guide sleeve（107）With first guide post（105）With the second guide post（106）The movement being slidably connected
Frame（108）；With the movable stand（108）Second eccentric wheel of connection（109）；Positioned at the movable stand（108）With housing（101）
Upper top between compression spring（110）；First end and the binding clothing or binding strap（7）Connection, second end bypass institute successively
State the 3rd pulley（102）, the second eccentric wheel（109）With the 4th pulley（103）, stretch out the housing（101）Exterior second is drawn
Rope（111）；With second drag-line（111）Second end connection spacing tensioning ball（112）；With the housing（101）Under
The stop rod of bottom connection（113）；With first eccentric wheel（104）The stop pin of connection（114）；When the stop pin（114）
With stop rod（113）During contact, first eccentric wheel（104）The point of rotation and center line in horizontal direction, it is described only
Position pin（114）With stop rod（113）Collective effect prevent the first eccentric wheel（104）Center to housing（101）Bottom side
To movement.
5. power assisting device is trained in chin-up according to claim 4, it is characterised in that first eccentric wheel（104）
With the second drag-line（111）Contact surface be equipped be used for increase friction boss, second drag-line（111）With the first eccentric wheel
（104）Contact surface be equipped with the groove that is engaged with the boss.
6. power assisting device is trained in chin-up according to claim 1, it is characterised in that is also had and is put extension described in being arranged on
Frame（9）The clump weight storage rack of side（16）.
7. power assisting device is trained in chin-up according to claim 6, it is characterised in that the clump weight storage rack（16）
The frame body opened wide including side（201）；At least one and the frame body（201）The fixed link of connection（202）；Clump weight（10）If
Have for the fixed link（202）The hole penetrated or card slot, the fixed link（202）Remote and frame body（201）One end of connection is set
There is lockset mounting hole（203）, lockset and lockset mounting hole（203）After connection latches, fixed link will be inserted in（202）On clump weight
（10）Pin.
8. power assisting device is trained in chin-up according to claim 1, it is characterised in that the clump weight（10）For weight
Identical or different clump weight, polylith clump weight（10）It is combined into the combinations of weights of different weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721192174.8U CN207286590U (en) | 2017-09-18 | 2017-09-18 | Power assisting device is trained in a kind of chin-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721192174.8U CN207286590U (en) | 2017-09-18 | 2017-09-18 | Power assisting device is trained in a kind of chin-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207286590U true CN207286590U (en) | 2018-05-01 |
Family
ID=62441746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721192174.8U Expired - Fee Related CN207286590U (en) | 2017-09-18 | 2017-09-18 | Power assisting device is trained in a kind of chin-up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207286590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469289A (en) * | 2017-09-18 | 2017-12-15 | 李明峰 | Power assisting device and application method are trained in chin-up |
-
2017
- 2017-09-18 CN CN201721192174.8U patent/CN207286590U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469289A (en) * | 2017-09-18 | 2017-12-15 | 李明峰 | Power assisting device and application method are trained in chin-up |
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| GR01 | Patent grant | ||
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Granted publication date: 20180501 |