CN210205738U - Elliptical machine for rehabilitation and step length adjusting mechanism thereof - Google Patents
Elliptical machine for rehabilitation and step length adjusting mechanism thereof Download PDFInfo
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- CN210205738U CN210205738U CN201921032922.5U CN201921032922U CN210205738U CN 210205738 U CN210205738 U CN 210205738U CN 201921032922 U CN201921032922 U CN 201921032922U CN 210205738 U CN210205738 U CN 210205738U
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Abstract
The utility model provides a recovered elliptical machine and step length adjustment mechanism thereof. The rehabilitation elliptical machine comprises a rack, a step length adjusting mechanism and a pedal mechanism, wherein the step length adjusting mechanism comprises a step length rod, a mounting bracket, a lead screw and a sliding block. The step rod has a first end. The mounting bracket is provided with a driving motor. The lead screw is connected with an output shaft of the driving motor. The sliding block is in threaded connection with the screw rod. The first end of the step rod is fixedly connected with the sliding block, and when the driving motor is started, the lead screw drives the sliding block to slide under the driving of the driving motor so as to drive the step rod. The utility model discloses a step length adjustment mechanism, under driving motor's drive, can drive the step pole. When the elliptical machine for rehabilitation is provided with the step length adjusting mechanism, the step length can be automatically adjusted within a certain range, so that the elliptical machine is convenient to use and can ensure the safety of the person with lower limbs injured and the person with stroke.
Description
Technical Field
The utility model relates to a medical treatment rehabilitation apparatus specifically, relates to a recovered elliptical machine of using and step length adjustment mechanism thereof.
Background
The elliptical trainer is a comprehensive training machine, integrates the motion actions of walking, jogging and stationary bicycle movement, and is an aerobic exercise machine which is particularly suitable for beginners or people with heavy body and damaged lower limb joints.
The step length of the existing elliptical trainer is basically fixed, and even if the existing elliptical trainer is adjustable, the existing elliptical trainer is adjusted through mechanical gears, so that the existing elliptical trainer is inconvenient to use for people with lower limb injuries and people suffering from stroke.
SUMMERY OF THE UTILITY MODEL
In view of the above, according to an aspect of the present invention, there is provided a step length adjusting mechanism.
The utility model provides a step length adjustment mechanism, including step pole, installing support, lead screw and slider. The step rod has a first end. The mounting bracket is provided with a driving motor. The lead screw is connected with an output shaft of the driving motor. The sliding block is in threaded connection with the screw rod. The first end of the step rod is fixedly connected with the sliding block, and when the driving motor is started, the lead screw drives the sliding block to slide under the driving of the driving motor so as to drive the step rod.
Exemplarily, a first supporting seat and a second supporting seat are arranged on the mounting bracket, and the first supporting seat and the second supporting seat are respectively supported at two ends of the screw rod.
Exemplarily, a slide rail is further arranged on the mounting bracket, the slide rail is located between the first supporting seat and the second supporting seat and is parallel to the screw rod, and the slide block is slidably connected with the slide rail.
According to another aspect of the utility model, a recovered elliptical machine that uses is provided, including frame, pedal mechanism and as above-mentioned step length adjustment mechanism, pedal mechanism with step length adjustment mechanism all sets up in the frame, the step pole has and keeps away from the second end of first end, pedal mechanism connects the second is served.
Illustratively, the foot pedal mechanism comprises:
the base plate is provided with a transverse guide rail;
the middle connecting plate is connected with the bottom plate in a sliding mode through the transverse guide rail, and a turntable is arranged on the middle connecting plate;
the pedal is fixedly connected with the turntable;
the first driving mechanism is connected with the rotary table and can drive the rotary table to rotate relative to the middle connecting plate; and
and the second driving mechanism is connected with the intermediate connecting plate and can drive the intermediate connecting plate to transversely move relative to the bottom plate.
The first driving mechanism may include a first driving member, a first driving wheel, a first synchronous belt, and a first guide wheel for guiding the first synchronous belt, the first driving wheel may be disposed at an output end of the first driving member, and the first synchronous belt may be connected between the first driving wheel and the turntable.
Exemplarily, the second actuating mechanism includes second driving piece, second action wheel, second hold-in range and is used for the direction the second leading wheel of second hold-in range, the second action wheel sets up on the output of second driving piece, the both ends of second hold-in range are fixed respectively on the left and right both sides of bottom plate, the middle section of second hold-in range is around establishing on the second action wheel, the second leading wheel with intermediate junction board fixed connection.
Illustratively, a second driving member mounting plate is fixedly connected to one side end of the second guide wheel, and the second driving member is arranged on the second driving member mounting plate.
Exemplarily, a transition connecting plate is fixedly connected to the other side end of the second guide wheel, the bottom of the side of the transition connecting plate, which faces away from the second guide wheel, is fixed to the intermediate connecting plate, a first driving member mounting plate is fixedly connected to the upper side of the transition connecting plate, and the first driving member is disposed on the first driving member mounting plate.
For example, a guide wheel mounting frame is arranged on the upper surface of the intermediate connecting plate close to the transition connecting plate, and the first guide wheel is arranged on the guide wheel mounting frame.
Illustratively, the pedal is provided with an adjusting and fixing belt for fixing the foot.
Exemplarily, the rack is further provided with a curvilinear motion driving mechanism, the lower part of the bottom plate is penetrated by a pedal connecting rod, the curvilinear motion driving mechanism is connected with the pedal connecting rod, and the second end of the stepping rod is connected to the pedal connecting rod.
Illustratively, the curvilinear motion driving mechanism comprises a third driving member and a crank mechanism, the third driving member drives the crank mechanism through a transmission mechanism, and the pedal connecting rod is connected with the crank mechanism.
The utility model discloses a step length adjustment mechanism, under driving motor's drive, can drive the step pole. When the elliptical machine for rehabilitation is provided with the step length adjusting mechanism, the step length can be automatically adjusted within a certain range, so that the elliptical machine is convenient to use and can ensure the safety of the person with lower limbs injured and the person with stroke.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail embodiments of the present invention with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the invention and not to limit the invention. In the drawings, like reference numbers generally represent like parts or steps.
Fig. 1 is a perspective view of an elliptical machine for rehabilitation according to an embodiment of the present invention;
fig. 2 is a perspective view of a pedal mechanism of the elliptical rehabilitation machine according to the embodiment of the present invention;
FIG. 3 is a perspective view of the footrest mechanism of FIG. 2 with the footrest removed;
FIG. 4 is a detail view of the intermediate connecting plate of the footrest mechanism of FIG. 2 coupled to a second drive mechanism;
fig. 5 is a bottom view of the elliptical rehabilitation machine according to the embodiment of the present invention;
fig. 6 is a perspective view of a step length adjusting mechanism of the rehabilitation elliptical machine according to the embodiment of the present invention;
fig. 7 is a schematic diagram of the adjustment relationship of the step length adjustment mechanism of the elliptical rehabilitation machine according to the embodiment of the present invention.
Wherein the reference symbols are
10-frame
11-base
12-vertical frame
20-pedal mechanism
21-base plate
211-transverse guide
22-intermediate connecting plate
221-chute
23-rotating disk
24-foot pedal
241-adjustment fixing band
25-first drive mechanism
251-first driving member
252-primary drive wheel
253-first synchronous Belt
254-first guide wheel
255-first driving member mounting plate
256-guide wheel mounting rack
26-second drive mechanism
261-second drive member
262-secondary drive pulley
263-second synchronous belt
264-second guide wheel
265-second drive member mounting plate
27-transition connecting plate
28-pedal connecting rod
30-curve motion driving mechanism
31-third drive member
32-crank mechanism
40-step length adjusting mechanism
41-step lever
411-first end
412-second end
42-mounting support
43-drive motor
44-lead screw
45-sliding block
46-first support base
47-second support seat
48-slide rail
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the present invention and are not intended to limit the invention to the particular embodiments described herein. Based on the embodiments of the present invention described in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
The utility model provides an elliptical machine for rehabilitation for receive injury personage and apoplexy personage to provide supplementary recovered strong motion for the low limbs.
Referring to fig. 1, the utility model provides an elliptical machine for rehabilitation comprises a frame 10, a pedal mechanism 20 and a step length adjusting mechanism 40, wherein the pedal mechanism 20 and the step length adjusting mechanism 40 are both arranged on the frame 10.
The frame 10 is used for providing support for the whole rehabilitation elliptical machine. Illustratively, the frame 10 includes a base 11 and a stand 12 fixedly connected above the base 11, and casters may be further installed below the base 11 to facilitate the movement of the elliptical trainer for rehabilitation.
Referring to fig. 2 to 5, the footrest mechanism 20 includes a base plate 21, an intermediate connecting plate 22, a footrest 24, a first driving mechanism 25, and a second driving mechanism 26.
The base plate 21 is provided with a lateral guide 211, the lateral direction of which is perpendicular to the longitudinal direction of the base plate 21, and the longitudinal direction of the base plate 21 is the same as the length direction of the feet of the patient. As shown in fig. 5, the bottom plate 21 has a through hole at the lower portion thereof, and the through hole is mainly used for the foot connecting rod 28 to pass through.
The intermediate connecting plate 22 is slidably connected with the bottom plate 21 through a transverse guide rail 211, and a rotating disc 23 is arranged on the intermediate connecting plate 22. The intermediate connecting plate 22 is provided with a slide groove 221, and the slide groove 221 is engaged with the lateral guide rail 211, so that the intermediate connecting plate 22 can move left and right along the lateral guide rail 211.
The foot pedal 24 is fixedly connected with the rotating disc 23.
The first driving mechanism 25 is connected to the rotating plate 23 and can drive the rotating plate 23 to rotate relative to the intermediate connecting plate 22, and the pedal plate 24 is fixedly connected to the rotating plate 23 and can drive the pedal plate 24 to rotate together when the rotating plate 23 rotates relative to the intermediate connecting plate 22. Specifically, the first driving mechanism 25 includes a first driving member 251, a first driving wheel 252, a first timing belt 253, and a first guide wheel 254 for guiding the first timing belt, the first driving wheel 252 is disposed at an output end of the first driving member 251, and the first timing belt 253 is connected between the first driving wheel 252 and the turntable 23. For example, the first driving member 251 may employ a common servo motor. Thus, the first driving member 251 drives the first driving wheel 252 to rotate, the first driving wheel 252 drives the rotating disc 23 to rotate through the first synchronous belt 253 and the first guide wheel 254, and the pedal 24 is mounted on the rotating disc 23, so that the rotation of the pedal 24 is realized.
The second driving mechanism 26 is connected to the intermediate connection plate 22 and can drive the intermediate connection plate 22 to move laterally relative to the base plate 21. Specifically, the second driving mechanism 26 includes a second driving element 261, a second driving wheel 262, a second synchronous belt 263 and a second guide wheel 264 for guiding the second synchronous belt 263, the second driving wheel 262 is disposed at an output end of the second driving element 261, two ends of the second synchronous belt 263 are respectively fixed at left and right sides of the bottom plate 21, a middle section of the second synchronous belt 263 is wound around the second driving wheel 262, and the second guide wheel 264 is fixedly connected to the intermediate connection plate 22. For example, the second driving member 261 may employ a common servo motor. Thus, the second driving member 261 drives the second driving pulley 262 to rotate, and since the two sides of the second synchronous belt 263 are fixed, the second guide wheel 264 is fixed on the intermediate connecting plate 22, and the second driving pulley 262 moves left and right to drive the second guide wheel 264 to move left and right, thereby driving the intermediate connecting plate 22 to drive the pedal 24 to move left and right.
Illustratively, a second driving member mounting plate 265 is fixedly connected to one side end of the second guide wheel 264, and the second driving member 261 is disposed on the second driving member mounting plate 265. The other side end of the second guide wheel 264 is fixedly connected with a transition connecting plate 27, the bottom of the side surface of the transition connecting plate 27, which is back to the second guide wheel 264, is fixed on the middle connecting plate 22, a first driving piece mounting plate 255 is fixedly connected above the transition connecting plate 27, and the first driving piece 251 is arranged on the first driving piece mounting plate 255. Thus, when the second driving member 261 is operated, the intermediate connection plate 22 and all the members (including the first driving member 251 and the second driving member 261) attached to the intermediate connection plate 22 are moved left and right with respect to the base plate 21.
In addition, to facilitate the arrangement of the first guide wheel 254, a guide wheel mounting bracket 256 is provided on an upper surface of the intermediate connecting plate 22 adjacent to the transition connecting plate 27, and the first guide wheel 254 is provided on the guide wheel mounting bracket 256.
The foot pedal 24 is provided with an adjustment fixing band 241 for fixing the foot, and the adjustment fixing band 241 can cover the instep to fix the instep. Of course, the fixing band 241 may cover the heel to fix the heel. In the embodiment of the present invention, the pedal 24 includes an adjustment fixing band capable of covering the instep and an adjustment fixing band capable of covering the heel.
In order to provide multi-degree-of-freedom auxiliary rehabilitation exercise for the person with lower limbs injured and the person with apoplexy, the utility model discloses an elliptical machine for rehabilitation is provided with curvilinear motion actuating mechanism 30 on the frame 10 still, and pedal connecting rod 28 is worn to be equipped with in the bottom plate 21 lower part, and curvilinear motion actuating mechanism 30 is connected with pedal connecting rod 28. Specifically, the curvilinear motion driving mechanism 30 includes a third driving member 31 and a crank mechanism 32, the third driving member 31 drives the crank mechanism 32 through a transmission mechanism 33, the pedal connecting rod 28 is connected to the crank mechanism 32, for example, the third driving member 31 may employ a common servo motor, and the transmission mechanism 33 may employ a common belt transmission or chain transmission. Thus, the transmission mechanism 33 is driven by the third driving member 31, the transmission mechanism 33 rotates the crank mechanism 32, and the crank mechanism 32 reciprocates the pedal mechanism 20 to realize a walking curve.
As can be seen from the above, the pedal mechanism 20 of the present invention can realize the rotation of the pedal 24 through the arrangement of the first driving mechanism 25 and the rotating disc 23; through the arrangement of the second driving mechanism 26 and the middle connecting plate 22, the left and right movement of the pedal 24 can be realized; the two motions are compounded into a curvilinear motion, so that the multi-degree-of-freedom motion of the foot is realized when a person walks. The first driving mechanism 25 and the second driving mechanism 26 provide the patient with power for assisting exercise, and can provide assisting rehabilitation exercise for the person with lower limb injury and the person suffering from stroke. More, because adopt on the elliptical trainer the utility model discloses a running-board mechanism 20, and running-board 24 are connected with curvilinear motion actuating mechanism 30, provide the auxiliary motion power of walking for the patient, and running-board 24 can realize removing in addition and remove and rotate to can be used for the different training of different patients.
Referring collectively to fig. 6, the stride length adjustment mechanism 40 includes a stride length bar 41, a mounting bracket 42, a lead screw 44, and a slider 45. The step bar 41 has a first end 411 and a second end 412 distal from the first end 411. The mounting bracket 42 is provided with a driving motor 43. The lead screw 44 is connected to an output shaft of the drive motor 43. The slider 45 is screwed to the screw 44. Wherein, the first end 411 of the step rod 41 is fixedly connected with the sliding block 45, and when the driving motor 43 is started, the lead screw 44 drives the sliding block 45 to slide under the driving of the driving motor 43, so as to drive the step rod 41. The second end 412 of the step rod 41 is connected to the pedal mechanism 20, and specifically, the second end 412 of the step rod 41 is connected to the pedal connecting rod 28, so that the screw 44 drives the sliding block 45 to slide under the driving of the driving motor 43, and the sliding block 45 drives the step rod 41, thereby driving the pedal 24 to realize the step adjustment.
The mounting bracket 42 is fixed to the frame 10, specifically to the stand 12. The mounting bracket 42 is provided with a first supporting seat 46 and a second supporting seat 47, and the first supporting seat 46 and the second supporting seat 47 are respectively supported at both ends of the screw 44, so that the driving motor 43, the screw 44 and the slider 45 are mounted on the mounting bracket 42. The reason why the first support seat 46 and the second support seat 47 are provided is that the lead screw 44 belongs to an elongated member, and needs to rotate and linearly move at the same time when working, and the slider 45 is further in threaded connection with the lead screw, so that the lead screw 44 may be damaged or even broken during the movement of the lead screw 44, and meanwhile, the lead screw is also easy to shake during the movement, and the two support seats are provided at the two ends of the lead screw 44, thereby avoiding the above situations to a certain extent.
Of course, even though the first supporting seat 46 and the second supporting seat 47 are provided at both ends of the screw 44, there is a possibility that the screw 44 may swing during the movement, and for this reason, a slide rail 48 is provided between the first supporting seat 46 and the second supporting seat 47, the slide rail 48 may be fixed to the mounting bracket 42 and arranged in parallel with the screw 44, and the slider 45 is slidably connected to the slide rail 48. Therefore, in the moving process of the screw 44, the slide rail 48 can share a part of the force for the screw 44, and meanwhile, because the slide block 45 is slidably connected with the slide rail 48, in the moving process of the screw 44, the slide rail 48 can also play a role in guiding, so that the screw 44 can be effectively prevented from shaking in the moving process, and further the pedal mechanism 20 is prevented from shaking.
Referring to fig. 7, with the setting of the step length adjusting mechanism 40, the distance change of L2 can be finally realized by adjusting the distance of L1, and the adjusting parameters of an embodiment of the present invention are shown in table 1.
Table 1:
| L1(mm) | 0 | 30 | 60 | 90 | 120 | 150 | 180 | 210 | 240 | 270 | 290 |
| L2(mm) | 1450 | 1431 | 1411 | 1392 | 1372 | 1353 | 1333 | 1313 | 1293 | 1273 | 1260 |
from the above table, it can be seen that by changing the position of the step bar 41, the position of the foot pedal 24 can be changed, thereby adjusting the step length of the person walking.
In summary, the step length adjusting mechanism 40 of the present invention can drive the step length rod 41 under the driving of the driving motor 43. When the elliptical machine for rehabilitation is provided with the step length adjusting mechanism 40, the step length can be automatically adjusted within a certain range, so that the elliptical machine for rehabilitation is convenient to use and can ensure the safety of people with lower limbs injured and people suffering from stroke.
In the description of the embodiments of the present invention, it should be understood that the terms "front", "back", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention or the description of the specific embodiments, the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. A stride length adjustment mechanism, comprising:
a step-up bar having a first end;
the mounting bracket is provided with a driving motor;
the lead screw is connected with an output shaft of the driving motor; and
the sliding block is in threaded connection with the lead screw;
the first end of the step rod is fixedly connected with the sliding block, and when the driving motor is started, the lead screw is driven by the driving motor to drive the sliding block to slide so as to drive the step rod.
2. The step length adjustment mechanism of claim 1, wherein the mounting bracket is provided with a first support seat and a second support seat, and the first support seat and the second support seat are respectively supported at two ends of the screw rod.
3. The mechanism of claim 2, wherein the mounting bracket further comprises a slide rail, the slide rail is disposed between the first supporting seat and the second supporting seat and parallel to the screw rod, and the slide block is slidably connected to the slide rail.
4. An elliptical machine for rehabilitation comprising a frame, a foot pedal mechanism and a stride length adjustment mechanism as claimed in any of claims 1-3, both of said foot pedal mechanism and said stride length adjustment mechanism being disposed on said frame, said stride length bar having a second end distal from said first end, said foot pedal mechanism being attached to said second end.
5. The elliptical rehabilitation machine according to claim 4, characterized in that the pedal mechanism comprises:
the base plate is provided with a transverse guide rail;
the middle connecting plate is connected with the bottom plate in a sliding mode through the transverse guide rail, and a turntable is arranged on the middle connecting plate;
the pedal is fixedly connected with the turntable;
the first driving mechanism is connected with the rotary table and can drive the rotary table to rotate relative to the middle connecting plate; and
and the second driving mechanism is connected with the intermediate connecting plate and can drive the intermediate connecting plate to transversely move relative to the bottom plate.
6. The elliptical rehabilitation machine according to claim 5, wherein the first driving mechanism comprises a first driving member, a first driving wheel, a first synchronous belt and a first guide wheel guiding the first synchronous belt, the first driving wheel is disposed on an output end of the first driving member, and the first synchronous belt is connected between the first driving wheel and the turntable.
7. The elliptical rehabilitation machine according to claim 6, wherein the second driving mechanism comprises a second driving member, a second driving wheel, a second synchronous belt and a second guide wheel for guiding the second synchronous belt, the second driving wheel is disposed at an output end of the second driving member, two ends of the second synchronous belt are respectively fixed at left and right sides of the bottom plate, a middle section of the second synchronous belt is wound on the second driving wheel, and the second guide wheel is fixedly connected with the middle connecting plate.
8. The elliptical rehabilitation machine according to claim 7, wherein a second driving member mounting plate is fixedly connected to one side end of the second guide wheel, and the second driving member is disposed on the second driving member mounting plate.
9. The elliptical rehabilitation machine according to claim 8, wherein a transition connecting plate is fixedly connected to the other side end of the second guide wheel, the bottom of the side of the transition connecting plate facing away from the second guide wheel is fixed to the middle connecting plate, a first driving member mounting plate is fixedly connected to the upper portion of the transition connecting plate, and the first driving member is arranged on the first driving member mounting plate.
10. The elliptical rehabilitation machine according to claim 9, wherein a guide wheel mounting bracket is provided on an upper surface of the intermediate connection plate adjacent to the transition connection plate, the first guide wheel being provided on the guide wheel mounting bracket.
11. The elliptical rehabilitation machine according to any one of claims 5-10, wherein an adjustment fixing strap for fixing the foot is provided on the foot pedal.
12. The elliptical rehabilitation machine according to claim 11, wherein a curvilinear motion driving mechanism is further disposed on the frame, a pedal connecting rod is disposed through the lower portion of the bottom plate, the curvilinear motion driving mechanism is connected with the pedal connecting rod, and the second end of the stepping rod is connected to the pedal connecting rod.
13. The elliptical rehabilitation machine according to claim 12, wherein the curvilinear motion driving mechanism comprises a third driving member and a crank mechanism, the third driving member drives the crank mechanism through a transmission mechanism, and the pedal connecting rod is connected with the crank mechanism.
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| CN201921032922.5U CN210205738U (en) | 2019-07-04 | 2019-07-04 | Elliptical machine for rehabilitation and step length adjusting mechanism thereof |
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| CN201921032922.5U CN210205738U (en) | 2019-07-04 | 2019-07-04 | Elliptical machine for rehabilitation and step length adjusting mechanism thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169259A (en) * | 2019-07-04 | 2021-01-05 | 北京力泰克科技有限公司 | Elliptical machine for rehabilitation and step length adjusting mechanism thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169259A (en) * | 2019-07-04 | 2021-01-05 | 北京力泰克科技有限公司 | Elliptical machine for rehabilitation and step length adjusting mechanism thereof |
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