CN211752168U - Folding mechanism and treadmill - Google Patents
Folding mechanism and treadmill Download PDFInfo
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- CN211752168U CN211752168U CN202020120519.4U CN202020120519U CN211752168U CN 211752168 U CN211752168 U CN 211752168U CN 202020120519 U CN202020120519 U CN 202020120519U CN 211752168 U CN211752168 U CN 211752168U
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Abstract
The utility model belongs to the technical field of body-building apparatus, a folding mechanism and treadmill is disclosed. This folding mechanism includes: the upright post is rotatably arranged on the fixed seat, and a shaft sleeve is arranged on the inner side of the fixed seat; the pedal is arranged on the fixed seat; one end of the connecting rod assembly is connected to the pedal, and the other end of the connecting rod assembly is respectively arranged on the shaft sleeve, the upright post and the fixed seat in a penetrating way; the reset piece is arranged in the shaft sleeve and sleeved on the connecting rod assembly, and two ends of the reset piece are respectively abutted against the connecting rod assembly and the inner wall of the shaft sleeve; the footboard is configured to rotate for the fixing base to drive link assembly and rotate and remove for the fixing base, make the stand rotate for the fixing base, be used for the folding of stand. This folding mechanism need not to bow operation folding mechanism's release, also need not manually, only need the foot step on alright with realizing folding function, the simple operation has greatly improved customer experience and has felt, satisfies the diversified demand of user.
Description
Technical Field
The utility model relates to a body-building apparatus technical field especially relates to a folding mechanism and treadmill.
Background
The treadmill produced by the prior manufacturer can be folded generally, thus being convenient for packaging and transportation and saving limited living space for users. To facilitate folding, some prior treadmill upright folding mechanisms fold the upright by manually operating a button or releasing a fastener. Adopt manual folding mode, because the bulky of treadmill is bigger, need bow to go to control treadmill front end both sides folding button, folding operation is very inconvenient for customer experience feels relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a folding mechanism and treadmill, the convenience is folding, improves user experience and feels.
To achieve the purpose, the utility model adopts the following technical proposal:
a folding mechanism comprising:
the upright post is rotatably arranged on the fixed seat, and a shaft sleeve is arranged on the inner side of the fixed seat;
the pedal is arranged on the fixed seat;
one end of the connecting rod assembly is connected to the pedal, and the other end of the connecting rod assembly is respectively penetrated through the shaft sleeve, the upright post and the fixed seat;
the reset piece is arranged in the shaft sleeve and sleeved on the connecting rod assembly, and two ends of the reset piece are respectively abutted against the connecting rod assembly and the inner wall of the shaft sleeve;
the pedal is configured to rotate relative to the fixed seat and drive the connecting rod assembly to rotate and move relative to the fixed seat, so that the upright post rotates relative to the fixed seat for folding of the upright post.
Preferably, the connecting rod assembly includes:
a main rod disposed on the pedal;
and one end of the connecting rod shaft is connected to the main rod, the other end of the connecting rod shaft penetrates through the shaft sleeve, the upright post and the fixing seat respectively, and the resetting piece is sleeved on the connecting rod shaft and is in sliding fit with the shaft sleeve.
Preferably, the number of the shaft sleeves is two, the two shaft sleeves are arranged in parallel at intervals, the number of the connecting rod shafts is two, the two connecting rod shafts are arranged in parallel at intervals, and each connecting rod shaft penetrates through one corresponding shaft sleeve.
Preferably, the link assembly further includes a connecting plate, one side of which is connected to the main rod and the other side of which is connected to the link shaft.
Preferably, a receiving groove is formed in the fixing seat, and the receiving groove is used for partially receiving the upright post.
Preferably, the folding mechanism further includes a rotation shaft, the rotation shaft is respectively inserted into the upright and the fixing seat, and the upright can rotate relative to the rotation shaft.
Preferably, the folding mechanism further comprises a fixing member, and the fixing member is arranged on the upright post in a penetrating manner, the fixing seat and the rotating shaft.
Preferably, the folding mechanism further comprises a main connecting piece, the main connecting piece is respectively arranged on the pedal and the fixing seat in a penetrating mode, and the pedal can rotate relative to the main connecting piece.
Preferably, the folding mechanism further comprises a fastener, and the pedal is connected to the link assembly by the fastener.
In order to achieve the above purpose, the utility model also provides a treadmill, which comprises the folding mechanism.
The utility model has the advantages that:
the utility model provides a folding mechanism, when the treadmill was normally used, the piece that resets in the axle sleeve was in compression state, and the both ends of the piece that resets are respectively in the butt in the inner wall of link assembly and axle sleeve, under the effect of the piece that resets, guaranteed the stability of link assembly position, wear to locate axle sleeve, stand and fixing base respectively through setting up the other end of link assembly, realized the locking of stand current position; when needs are folding, the user can trample the footboard drive footboard downwards and rotate for the fixing base, connects in the footboard through the one end that sets up link assembly, and under the effect of footboard, link assembly can rotate and remove along the axis direction of axle sleeve in the inside of axle sleeve, and the axle sleeve has played the guide effect to link assembly, and the stand and fixing base are worn to establish to the link assembly accuracy of being convenient for. Along with link assembly along the axle sleeve to the direction removal of being close to the footboard, the piece that resets of compressed carries out pressure release under self resumes the effort, after link assembly breaks away from the stand to relieve link assembly to the locking of stand, make the stand can for the fixed seat to the direction free rotation that is close to the frame, accomplish the folding process of stand after stand and frame are laminated mutually.
This folding mechanism passes through mutually supporting of fixing base, stand, footboard, link assembly and the piece that resets, compares with prior art, need not to bow operation folding mechanism's release piece, also need not manually, only need the foot step on alright with realize folding function, the simple operation has greatly improved customer experience and has felt, satisfies the demand of user pluralism.
The utility model also provides a treadmill, including foretell folding mechanism. This treadmill is through setting up folding mechanism, and convenient folding, simple structure, convenient to use improves user experience and feels.
Drawings
Fig. 1 is a schematic structural diagram of the folding mechanism of the present invention;
fig. 2 is an exploded schematic view of the folding mechanism of the present invention;
fig. 3 is a schematic view of the folding mechanism of the present invention in a state of being mounted with a reset member;
FIG. 4 is a schematic view of the folding mechanism of the present invention in a state of mounting the stand column;
FIG. 5 is a schematic view of the folding mechanism of the present invention in a state where the step plate and the connecting rod assembly are mounted;
FIG. 6 is a schematic view of the folding mechanism according to the present invention in a state of stepping on the pedal;
FIG. 7 is a schematic view of the folding mechanism of the present invention in a state of pedaling;
fig. 8 is a schematic diagram of the folding mechanism of the present invention in a state where the column is folded.
In the figure:
1. a fixed seat; 2. a column; 3. a pedal; 4. a connecting rod assembly; 5. a reset member; 6. a rotating shaft; 7. a fixing member; 8. a primary connection member; 9. a fastener;
11. a shaft sleeve; 12. accommodating grooves; 13. a fixed block; 14. mounting a plate;
31. a rotating part; 32. a stepping part;
41. a main rod; 42. a link shaft; 43. a connecting plate.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment provides a folding mechanism which is suitable for fitness equipment such as a running machine. As shown in fig. 1-2, the folding mechanism includes a fixing base 1, a pillar 2, a pedal 3, a connecting rod assembly 4 and a reset member 5, wherein the fixing base 1 is disposed at one end of the frame, and plays a role of integral support. The fixing seat 1 is rotatably provided with a pedal 3 and a stand column 2, the stand column 2 is of an inverted U-shaped structure, and the inner side of the fixing seat 1 is provided with a shaft sleeve 11. One end of the connecting rod assembly 4 is connected to the pedal 3, the other end of the connecting rod assembly is respectively penetrated through the shaft sleeve 11, the upright post 2 and the fixed seat 1, and the connecting rod assembly 4 plays a role in transmission. The inside of axle sleeve 11 is provided with the piece that resets 5, and the piece that resets 5 specifically are the pressure spring, and reset 5 cover is located on the other end of link assembly 4, and the both ends of the piece that resets 5 butt respectively in the inner wall of link assembly 4 and axle sleeve 11, and the piece that resets 5 has played the effect that resets. The pedal 3 is configured to rotate relative to the fixing base 1, and drives the connecting rod assembly 4 to rotate and move relative to the fixing base 1, so that the upright post 2 rotates relative to the fixing base 1 for folding of the upright post 2.
According to the folding mechanism provided by the embodiment, when the treadmill is normally used, the reset piece 5 in the shaft sleeve 11 is in a compression state, two ends of the reset piece 5 are respectively abutted against the inner walls of the connecting rod assembly 4 and the shaft sleeve 11, the stability of the position of the connecting rod assembly 4 is ensured under the action of the reset piece 5, and the current position of the upright post 2 is locked by arranging the other end of the connecting rod assembly 4 to respectively penetrate through the shaft sleeve 11, the upright post 2 and the fixed seat 1; when the folding is needed, a user can step down on the pedal 3 to drive the pedal 3 to rotate relative to the fixed seat 1. Connect in footboard 3 through the one end that sets up link assembly 4, under the effect of footboard 3, link assembly 4 can rotate and remove along the axis direction of axle sleeve 11 in the inside of axle sleeve 11, and axle sleeve 11 has played the guide effect to link assembly 4, and upright 2 and fixing base 1 are worn to establish by link assembly 4 accuracy of being convenient for. Along with link assembly 4 to the direction removal that is close to footboard 3 along axle sleeve 11, the piece 5 that resets of compressed carries out pressure release under self recovery effort, after link assembly 4 breaks away from stand 2 to relieve link assembly 4 and to the locking of stand 2, make stand 2 can for fixing base 1 to the direction free rotation that is close to the frame, accomplish the folding process of stand 2 after stand 2 and frame are laminated mutually.
This folding mechanism passes through fixing base 1, stand 2, footboard 3, link assembly 4 and resets mutually supporting of 5, compares with prior art, need not to bow operation folding mechanism's release, also need not manually, only need the foot step on alright with realizing folding function, the simple operation has greatly improved customer experience and has felt, satisfies the diversified demand of user.
Further, as shown in fig. 1-2, the fixing base 1 includes two fixing blocks 13 and a mounting plate 14, the two fixing blocks 13 are symmetrically disposed on two sides of the mounting plate 14, the mounting plate 14 is used for mounting the pedal 3, and each fixing block 13 is used for mounting one side arm of the upright 2. The holding tank 12 has been seted up on fixed block 13, and holding tank 12 specifically is the rectangular channel, and holding tank 12 is used for the part to hold stand 2, and in the bottom of stand 2's side arm stretched into holding tank 12, holding tank 12 had played and had held and spacing effect. An extension part is convexly arranged in the middle of the mounting plate 14, the cross section of the extension part is of a triangular structure, and a central hole is formed in the extension part and used for mounting the pedal 3.
As shown in fig. 2, the pedal 3 includes a rotating portion 31 and a stepping portion 32 connected to each other, the rotating portion 31 and the stepping portion 32 are disposed at an included angle, the rotating portion 31 is used for connecting the fixing base 1 and the connecting rod assembly 4, and the stepping portion 32 is used for stepping by a user. Preferably, the rotating part 31 and the stepping part 32 are integrally formed, so that the number of parts for assembling is reduced, and the production cost is low. A mounting hole is provided in the middle of the rotating portion 31. In order to realize that footboard 3 rotates and sets up on fixing base 1, folding mechanism still includes main connecting piece 8, main connecting piece 8 specifically is fastening screw, main connecting piece 8 wears to locate the mounting hole of footboard 3 and the centre bore of fixing base 1 respectively, main connecting piece 8 has still played the pivot effect when having played footboard 3 and 1 connection effect of fixing base for footboard 3 can use main connecting piece 8 to rotate for main connecting piece 8 as the rotation center.
Two threaded holes are formed in the rotating portion 31 of the pedal 3, the two threaded holes are formed in two sides of the mounting hole respectively, and each threaded hole is used for mounting one connecting rod assembly 4. In order to realize the installation between the pedal 3 and the connecting rod assembly 4, the folding mechanism further comprises a fastener 9, the fastener 9 is a fastening bolt, and the rotating part 31 of the pedal 3 is connected to the connecting rod assembly 4 through the fastener 9 and is used for rigid connection between the pedal 3 and the connecting rod assembly 4 so as to realize the linkage effect of the pedal 3 on the connecting rod assembly 4.
Optionally, the number of the connecting rod assemblies 4 is two, the two connecting rod assemblies 4 are respectively arranged on two sides of the pedal 3, one end of each connecting rod assembly 4 is mounted on the pedal 3 through a fastener 9, and the other end of each connecting rod assembly 4 penetrates through the upright column 2 and the fixing seat 1. Through setting up two sets of link assembly 4 for the both ends of the stand 2 of the structure of falling the U-shaped are supported by two sets of link assembly 4 respectively, rotate effectually, are convenient for the folding of stand 2 and accomodate.
Specifically, the link assembly 4 includes a main rod 41 and a link shaft 42, one end of the main rod 41 close to the pedal 3 is fixed on the rotating portion 31 of the pedal 3 through a fastener 9, one end of the link shaft 42 is connected to the main rod 41, the other end of the link shaft 42 is respectively penetrated through the shaft sleeve 11, the upright post 2 and the fixing seat 1, and the link shaft 42 is sleeved with a reset piece 5 and is in sliding fit with the shaft sleeve 11.
In order to realize that connecting rod axle 42 can run through axle sleeve 11, stand 2 and fixing base 1, axial direction along axle sleeve 11 has seted up axial through hole on fixed block 13, axial through hole runs through in fixed block 13, axial through hole and holding tank 12 communicate each other, and axial through hole and axle sleeve 11 are just to setting up, axial through hole's axis and axle sleeve 11's axis collineation promptly for connecting rod axle 42 wears to establish axial through hole and stand 2 respectively after stretching into axle sleeve 11.
Optionally, the number of the axial through holes, the shaft sleeves 11 and the link shafts 42 is two, two shaft sleeves 11 are arranged in parallel at intervals, two link shafts 42 are arranged in parallel at intervals, and each link shaft 42 passes through one corresponding shaft sleeve 11 and one axial through hole respectively. For each connecting rod assembly 4, by adopting the structure, the normal use of the treadmill can be ensured, and meanwhile, the smoothness of rotation after unlocking can be ensured.
In order to facilitate the connection effect between the main rod 41 and the two link shafts 42, the link assembly 4 further includes a connecting plate 43, the cross section of the connecting plate 43 is a kidney-shaped structure, one side of the connecting plate 43 is connected to the main rod 41, the other side is connected to the link shafts 42, and the connecting plate 43 plays a role in intermediate connection.
Since the link shaft 42 is slidable along the boss 11 by the pedal 3, when the link shaft 42 is inserted into the pillar 2 in a direction approaching the pillar 2, the posture for keeping the opened state of the pillar 2 is stable; when the link shaft 42 is moved away from the column 2 in a direction away from the column 2, unlocking of the column 2 is performed. In order to realize the folding of stand 2, folding mechanism still includes axis of rotation 6 and mounting 7, has link up along the axial direction of axle sleeve 11 on fixed block 13 and has seted up the rotation hole, rotates the hole site between two axial through-holes, and the via hole has been seted up to corresponding rotation hole on stand 2, and the via hole of stand 2 and the rotation hole of fixing base 1 are worn to locate respectively by axis of rotation 6 for stand 2 uses axis of rotation 6 to rotate as the center. Meanwhile, fixing pieces 7 are respectively arranged at two ends of the rotating shaft 6, the fixing pieces 7 are screws, and the fixing pieces 7 respectively penetrate through the upright posts 2, the fixing blocks 13 and the rotating shaft 6 so as to fix the rotating shaft 6.
When the folding mechanism is installed, as shown in fig. 3, the four reset pieces 5 are firstly placed in the four shaft sleeves 11, as shown in fig. 4, after the upright post 2 is placed in the accommodating groove 12, the rotating shafts 6 are respectively penetrated through the through holes of the upright post 2 and the rotating holes of the fixing base 1, and the two rotating shafts 6 are fixed on the fixing base 1 by the four fixing pieces 7. As shown in fig. 5, the main connecting member 8 is respectively inserted into the pedal 3 and the fixing base 1, the pedal 3 is connected with the main rod 41 of the connecting rod assembly 4 through the fastening member 9, and finally the connecting rod shaft 42 of the connecting rod assembly 4 sequentially passes through the shaft sleeve 11, the fixing base 1 and the upright post 2, thereby completing the whole installation process.
The folding mechanism provided by the embodiment has the following working process of folding;
the user steps on the pedal 3, the pedal 3 rotates clockwise, and as the pedal 3 rotates from the inclined state shown in fig. 6 to the vertical state shown in fig. 7, the pedal 3 is linked with the connecting rod assemblies 4, so that the main rods 41 of the two connecting rod assemblies 4 rotate towards the direction approaching to each other, at this time, the connecting rod shaft 42 of the connecting rod assemblies 4 moves towards the direction approaching to the pedal 3 along the shaft sleeve 11 and gradually separates from the fixed seat 1 and the upright post 2, the connecting rod shaft 42 is reset under the driving action of the resetting piece 5 and the pedal 3 to release the connecting rod shaft 42 fastened on the upright post 2 and the fixed seat 1, so that the upright post 2 can rotate towards the direction approaching to the frame relative to the fixed seat 1 (as shown in fig. 8).
The embodiment also provides a treadmill comprising the folding mechanism. This treadmill is through setting up folding mechanism, and convenient folding, simple structure, convenient to use improves user experience and feels.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A folding mechanism, comprising:
the device comprises a fixed seat (1) and an upright post (2), wherein the upright post (2) is rotatably arranged on the fixed seat (1), and a shaft sleeve (11) is arranged on the inner side of the fixed seat (1);
the pedal (3) is arranged on the fixed seat (1);
one end of the connecting rod assembly (4) is connected to the pedal (3), and the other end of the connecting rod assembly is respectively penetrated through the shaft sleeve (11), the upright post (2) and the fixed seat (1);
the reset piece (5) is arranged in the shaft sleeve (11) and sleeved on the connecting rod assembly (4), and two ends of the reset piece (5) are respectively abutted against the inner walls of the connecting rod assembly (4) and the shaft sleeve (11);
the pedal (3) is configured to rotate relative to the fixed seat (1) and drive the connecting rod assembly (4) to rotate and move relative to the fixed seat (1), so that the upright post (2) rotates relative to the fixed seat (1) and is used for folding the upright post (2).
2. The folding mechanism according to claim 1, characterized in that said connecting-rod assembly (4) comprises:
a main rod (41) provided on the pedal (3);
the connecting rod comprises a connecting rod shaft (42), one end of the connecting rod shaft (42) is connected to the main rod (41), the other end of the connecting rod shaft is respectively penetrated through the shaft sleeve (11), the upright post (2) and the fixing seat (1), and the connecting rod shaft (42) is sleeved with the resetting piece (5) and is in sliding fit with the shaft sleeve (11).
3. The folding mechanism according to claim 2, characterized in that the number of the bushings (11) is two, two bushings (11) are arranged in parallel and spaced apart, the number of the link shafts (42) is two, two link shafts (42) are arranged in parallel and spaced apart, and each link shaft (42) is arranged through one bushing (11) corresponding thereto.
4. The folding mechanism according to claim 2, characterized in that said connecting rod assembly (4) further comprises a connecting plate (43), said connecting plate (43) being connected to said main rod (41) on one side and to said connecting rod shaft (42) on the other side.
5. The folding mechanism according to claim 1, characterized in that a receiving groove (12) is provided on the fixing base (1), and the receiving groove (12) is used for partially receiving the upright (2).
6. The folding mechanism according to claim 1, characterized in that it further comprises a rotation shaft (6), said rotation shaft (6) being respectively inserted in said upright (2) and said fixed seat (1), said upright (2) being able to rotate with respect to said rotation shaft (6).
7. The folding mechanism according to claim 6, characterized in that it further comprises a fixing member (7), said fixing member (7) being inserted through said upright (2), said fixing seat (1) and said rotating shaft (6).
8. The folding mechanism according to claim 1, characterized in that it further comprises a main connecting member (8), said main connecting member (8) being respectively inserted in said pedal (3) and said fixed seat (1), said pedal (3) being able to rotate with respect to said main connecting member (8).
9. The folding mechanism according to claim 1, characterized in that it further comprises a fastener (9), said pedal (3) being connected to said connecting-rod assembly (4) by means of said fastener (9).
10. A treadmill comprising the folding mechanism of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120519.4U CN211752168U (en) | 2020-01-19 | 2020-01-19 | Folding mechanism and treadmill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120519.4U CN211752168U (en) | 2020-01-19 | 2020-01-19 | Folding mechanism and treadmill |
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| Publication Number | Publication Date |
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| CN211752168U true CN211752168U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020120519.4U Active CN211752168U (en) | 2020-01-19 | 2020-01-19 | Folding mechanism and treadmill |
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| CN (1) | CN211752168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150967A (en) * | 2020-01-19 | 2020-05-15 | 深圳卡路里科技有限公司 | Folding mechanism and treadmill |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150967A (en) * | 2020-01-19 | 2020-05-15 | 深圳卡路里科技有限公司 | Folding mechanism and treadmill |
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Effective date of registration: 20221205 Address after: L1202, China Resources Building, No. 2666, Keyuan South Road, Haizhu Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen calorie Sports Technology Co.,Ltd. Address before: 518000 room 501k, 5th floor, building 5, Nanhai yiku, No.6 Xinghua Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN KALULI TECHNOLOGY Co.,Ltd. Patentee before: BEIJING CALORIE INFORMATION TECHNOLOGY Co.,Ltd. |