CN117159996A - Sitting type leg stretching and bending trainer - Google Patents
Sitting type leg stretching and bending trainer Download PDFInfo
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- CN117159996A CN117159996A CN202311349124.6A CN202311349124A CN117159996A CN 117159996 A CN117159996 A CN 117159996A CN 202311349124 A CN202311349124 A CN 202311349124A CN 117159996 A CN117159996 A CN 117159996A
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Abstract
The invention provides a sitting type leg stretching and bending trainer, and relates to the technical field of body building equipment. The sitting-type leg stretching trainer comprises a fixed bottom plate, wherein the rear end of the top of the fixed bottom plate is fixedly connected with a connecting shell, two sides inside the connecting shell are fixedly connected with a first limiting rod and a second limiting rod respectively, a load mechanism is slidably connected between the first limiting rod and the second limiting rod, one side of the inner surface of the top of the connecting shell is fixedly connected with a first fixed pulley and a second fixed pulley respectively, one side of the connecting shell is fixedly connected with a leg training mechanism, the top center of the fixed bottom plate is fixedly connected with a supporting mechanism, and the front end and the rear end of the supporting mechanism are fixedly connected with a back limiting mechanism. Through design back stop gear, through the restriction of braces to human back when using, and then improve the effect of taking exercise greatly, and also can not influence whole use experience when convenient operation.
Description
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a sitting type leg stretching and bending trainer.
Background
Along with the problem of health, people can exercise to strengthen self immunity except in the aspect of diet, also can prevent various diseases, and in order to improve the exercise effect of people, various training machines appear to carry out auxiliary training, can carry out specific training to each position of human body, wherein sitting type leg stretching and bending training machine is specially used for training the front group muscles of thighs, needs buttocks and back to be completely clung to a trained seat when in use, and then continuously lifts legs to drive auxiliary training.
The existing sitting-type leg stretching and bending trainer can easily enable the upper body to incline forward due to the force of the legs in the using process, so that the back cannot be attached to a seat, and when the upper body is in a forward inclined state, the legs are difficult to straighten, the quadriceps femoris is difficult to tighten, and further the training effect is greatly reduced.
For this reason, we have developed a new sitting-type leg extension trainer.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a sitting type stretching and bending leg trainer, which solves the problem that the existing sitting type stretching and bending leg trainer is not limited aiming at the sitting posture of a user.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the embodiment of the invention provides a sitting type leg stretching and bending trainer, which comprises a fixed bottom plate, wherein the rear end of the top of the fixed bottom plate is fixedly connected with a connecting shell, and two sides inside the connecting shell are respectively and fixedly connected with a first limiting rod and a second limiting rod;
the weight bearing mechanism is connected between the first limiting rod and the second limiting rod in a sliding manner, a first fixed pulley and a second fixed pulley are respectively and fixedly connected to one side of the inner surface of the top of the connecting shell, and a third fixed pulley and a fourth fixed pulley are respectively and fixedly connected to one side of the inner surface of the bottom of the connecting shell;
one side of the preceding bottom of coupling shell rotates and is connected with the gyro wheel, one side fixedly connected with shank training mechanism of coupling shell, be provided with the transmission steel wire between bogie and the shank training mechanism, fixed baseplate's top center fixedly connected with supporting mechanism, both ends all fixedly connected with back stop gear around the supporting mechanism.
Preferably, the load mechanism comprises a plurality of adjusting negative weights and top negative weights which are connected between the first limiting rod and the second limiting rod in a sliding mode, connecting blocks and porous plates are fixedly connected to the top and bottom centers of the top negative weights respectively, and adjusting inserting rods are arranged between the porous plates and the adjusting negative weights.
Through above-mentioned technical scheme, when using, insert in suitable regulation burden piece through adjusting the inserted bar, shank drive shank training mechanism drives the connecting block through the transmission steel wire, and then drives top burden piece and perforated plate and remove, drives the regulation burden piece that corresponds the quantity through perforated plate and adjusting the inserted bar and remove.
Preferably, a plurality of the adjusting weight blocks are respectively provided with rectangular through holes and circular through holes corresponding to the porous plate and the adjusting inserted bars.
Through above-mentioned technical scheme, guarantee that perforated plate and regulation inserted bar can insert the inside of adjusting the burden piece.
Preferably, the transmission steel wire is respectively attached to the outer walls of the first fixed pulley, the second fixed pulley, the third fixed pulley and the fourth fixed pulley.
Through above-mentioned technical scheme, through the direction of the continuous change transmission steel wire of first fixed pulley, second fixed pulley, third fixed pulley and fourth fixed pulley, and then accomplish the connection of loading mechanism and shank training mechanism.
Preferably, the leg training mechanism comprises a fixed plate fixedly connected to one side of the connecting shell, a fixed disc is fixedly connected to the front of the fixed plate, the center of the fixed disc is rotationally connected with the rotating shell, a connecting rod is fixedly connected to the bottom of the rotating shell, a rotating sleeve is rotationally connected to the front of the connecting rod, and a driving roller sleeve is rotationally connected to the front end of the rotating sleeve.
Through above-mentioned technical scheme, when the shank upwards lifts up the drive roller, and then drives the connecting rod and rotate the shell and rotate on the fixed disk, can drive the transmission steel wire through rotating the shell and accomplish the transmission.
Preferably, the supporting mechanism comprises a first upright post and a second upright post which are fixedly connected to the top of the fixed bottom plate, a seat plate is fixedly connected to the tops of the first upright post and the second upright post, a supporting plate and a backup plate are respectively and fixedly connected to two sides of the seat plate, and elastic locking belts are fixedly connected to the front surface and the rear surface of the bottom of the backup plate.
Through above-mentioned technical scheme, when using, the user sits on the bedplate, opens two elasticity locking area and connects two elasticity locking area after the position of sitting is adjusted, the shank frame can in the backup pad.
Preferably, the two elastic locking belts are connected through plastic buckles.
Through the technical scheme, the waist of the user can be limited to a certain extent through the two elastic locking belts, so that the waist of the user can be restrained to a certain extent to ensure that the user is in a correct posture.
Preferably, the back stop gear includes fixed connection at the fixed shell of bedplate and backup plate one side, one side fixedly connected with fixed cover of fixed shell, the inner wall middle section fixedly connected with multidentate snap ring of fixed cover, the inner wall rotation of fixed shell is connected with the rotation post, the outer wall of rotation post is provided with the connecting rope, fixedly connected with braces between one end of connecting rope and the backup plate, the inner wall sliding connection of fixed cover has the slide bar, the one end fixedly connected with gear of slide bar, one side fixedly connected with of gear connects the thin pole, the one end fixedly connected with toper fixture block of connecting the thin pole.
Through the technical scheme, when the multi-tooth clamping ring is used, two arms of a user penetrate through the space between the braces and the backup plate, then the sliding rod is pushed backwards, the conical clamping block is pushed to be inserted into the rotating column, the multi-tooth clamping ring and the gear are meshed, then the sliding rod is rotated, the rotating column is driven to wind the connecting rope, the braces are continuously contracted until the user feels the restraining force to achieve proper strength, then the user holds the fastening sleeve to start to exercise, the sliding rod can be prevented from rotating after the multi-tooth clamping ring and the gear are meshed in the process, self-locking can be achieved, meanwhile, one side tooth of the gear can be conveniently inserted into the multi-tooth clamping ring through an inclined plane structure, the sliding rod is pulled out after the exercise, and the braces are separated from limit.
Preferably, through holes corresponding to the braces and the connecting ropes are formed in the front side and the rear side of the backup plate.
Through above-mentioned technical scheme, guarantee to drive the braces through connecting the rope and accomplish the shrink.
Preferably, a groove corresponding to the conical clamping block is formed in one side of the rotating column, and the cross section of the groove is diamond-shaped.
Through above-mentioned technical scheme, the insertion of toper fixture block can be better made things convenient for to toper structure, and diamond cross-section makes male toper fixture block can realize driving the rotation post simultaneously and rotate.
(III) beneficial effects
The invention provides a sitting type leg stretching and bending trainer. The beneficial effects are as follows:
this leg training ware is stretched to sitting posture, through design back stop gear, through the restriction of braces to human back when using, when taking exercise, can avoid the shank to lead to the condition of health anteversion hard, make the health in the posture of standard all the time, and then improve the effect of taking exercise greatly, and overall structure drives through the sliding rod of fixed cover inside, after adjusting the position of sitting, begin to drive the braces and apply the restriction to the human body, after taking exercise the completion, pull out the sliding rod and can make the braces break away from spacingly, also can not influence the overall use experience when convenient operation.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the load mechanism of the present invention;
FIG. 3 is a schematic view of the internal structure of the connection housing of the present invention;
FIG. 4 is a schematic side view of a three-dimensional structure of the present invention;
FIG. 5 is a schematic perspective view of a supporting mechanism according to the present invention;
FIG. 6 is a schematic cross-sectional view of the back stop mechanism of the present invention;
FIG. 7 is an exploded view of the back stop mechanism of the present invention;
FIG. 8 is a diagram of a multi-tooth snap ring and rotating post of the present invention;
fig. 9 is a diagram of the multi-tooth snap ring and gear configuration of the present invention.
Wherein, 1, a bottom plate is fixed; 2. a connection housing; 3. a first stop lever; 4. a second limit rod; 5. a load mechanism; 501. adjusting the negative weight; 502. a top negative weight; 503. a connecting block; 504. a porous plate; 505. adjusting the inserted link; 6. a first fixed pulley; 7. a second fixed pulley; 8. a third fixed pulley; 9. a fourth fixed pulley; 10. a transmission steel wire; 11. a roller; 12. leg training mechanism; 1201. a fixing plate; 1202. a fixed plate; 1203. rotating the shell; 1204. a connecting rod; 1205. a rotating sleeve; 1206. driving the roller sleeve; 13. a support mechanism; 1301. a first upright; 1302. a second upright; 1303. a seat plate; 1304. a support plate; 1305. a backup plate; 1306. an elastic locking belt; 14. a back limiting mechanism; 1401. a fixed case; 1402. a fixed sleeve; 1403. a multi-tooth snap ring; 1404. rotating the column; 1405. a connecting rope; 1406. a harness; 1407. a slide bar; 1408. a gear; 1409. connecting a thin rod; 1410. and a conical clamping block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the embodiment of the invention provides a sitting type leg stretching and bending trainer, which comprises a fixed bottom plate 1, wherein the rear end of the top of the fixed bottom plate 1 is fixedly connected with a connecting shell 2, and two sides inside the connecting shell 2 are respectively fixedly connected with a first limiting rod 3 and a second limiting rod 4;
as shown in fig. 1-3, a load mechanism 5 is slidably connected between a first limit rod 3 and a second limit rod 4, the load mechanism 5 comprises a plurality of adjusting negative weights 501 and top negative weights 502 which are slidably connected between the first limit rod 3 and the second limit rod 4, a connecting block 503 and a porous plate 504 are fixedly connected to the top and bottom centers of the top negative weights 502 respectively, an adjusting insert rod 505 is installed between the porous plate 504 and the adjusting negative weights 501, when in use, the adjusting insert rod 505 is inserted into a proper adjusting negative weight 501, a leg part drives a leg part training mechanism 12 to drive a connecting block 503 through a transmission steel wire 10, and then drives the top negative weights 502 and the porous plate 504 to move, a corresponding number of adjusting negative weights 501 are driven to move through the porous plate 504 and the adjusting insert rod 505, rectangular through holes and round through holes corresponding to the porous plate 504 and the adjusting insert rod 505 are respectively formed, the porous plate 504 and the adjusting insert rod 505 can be inserted into the adjusting negative weights 501, one side of the top inner surface of a connecting shell 2 is fixedly connected with a first fixed pulley 6 and a second fixed pulley 7 respectively, and one side of the bottom inner surface of the connecting shell 2 is fixedly connected with a third fixed pulley 9 and a fourth fixed pulley 8 respectively;
as shown in fig. 1-5, a roller 11 is rotatably connected to one side of the front bottom of the connection housing 2, a leg training mechanism 12 is fixedly connected to one side of the connection housing 2, the leg training mechanism 12 comprises a fixing plate 1201 fixedly connected to one side of the connection housing 2, a fixing plate 1202 is fixedly connected to the front of the fixing plate 1201, a rotation housing 1203 is rotatably connected to the center of the fixing plate 1202, a connecting rod 1204 is fixedly connected to the bottom of the rotation housing 1203, a rotation sleeve 1205 is rotatably connected to the front of the connecting rod 1204, a driving roller 1206 is rotatably connected to the front end of the rotation sleeve 1205, when the leg lifts up the driving roller 1206, the connecting rod 1204 and the rotation housing 1203 are further driven to rotate on the fixing plate 1202, a transmission wire 10 can be driven to complete transmission through the rotation housing 1203, a transmission wire 10 is arranged between the load mechanism 5 and the leg training mechanism 12, the transmission steel wire 10 is respectively attached to the outer walls of the first fixed pulley 6, the second fixed pulley 7, the third fixed pulley 8 and the fourth fixed pulley 9, the direction of the transmission steel wire 10 is continuously changed through the first fixed pulley 6, the second fixed pulley 7, the third fixed pulley 8 and the fourth fixed pulley 9, the connection of the load mechanism 5 and the leg training mechanism 12 is further completed, the supporting mechanism 13 is fixedly connected to the center of the top of the fixed bottom plate 1, the supporting mechanism 13 comprises a first upright 1301 and a second upright 1302 which are fixedly connected to the top of the fixed bottom plate 1, the tops of the first upright 1301 and the second upright 1302 are fixedly connected with a seat plate 1303, the two sides of the seat plate 1303 are respectively fixedly connected with a supporting plate 1304 and a backup plate 1305, when in use, a user sits on the seat plate 1303, the two elastic locking belts 1306 are opened, the two elastic locking belts 1306 are connected after sitting postures are adjusted, the legs are supported on the support plate 1304, the two elastic locking belts 1306 are connected through plastic buckles, and the waist of the user can be limited to a certain extent through the two elastic locking belts 1306, so that the user can be restrained to a certain extent to ensure that the user is in a correct posture;
as shown in fig. 1-9, the back limiting mechanism 14 is fixedly connected to both front and rear ends of the supporting mechanism 13, the back limiting mechanism 14 comprises a fixed shell 1401 fixedly connected to one side of a seat plate 1303 and a back plate 1305, one side of the fixed shell 1401 is fixedly connected with a fixed sleeve 1402, a multi-tooth snap ring 1403 is fixedly connected to the middle section of the inner wall of the fixed sleeve 1402, a rotating column 1404 is rotatably connected to the inner wall of the fixed shell 1401, a connecting rope 1405 is arranged on the outer wall of the rotating column 1404, a brace 1406 is fixedly connected between one end of the connecting rope 1405 and the back plate 1305, a sliding rod 1407 is slidingly connected to the inner wall of the fixed sleeve 1402, a gear is fixedly connected to one end of the sliding rod 1407, one side of the gear 1408 is fixedly connected with a connecting thin rod 1409, one end of the connecting thin rod 1409 is fixedly connected with a conical clamping block 1410, when in use, two arms of a user pass through between the brace 1406 and the back plate 1305 and then push the sliding rod 1407 backwards, the conical clamping block 1410 is pushed to be inserted into the rotating column 1404, the multi-tooth clamping ring 1403 and the gear 1408 are meshed, the sliding rod 1407 is rotated, the rotating column 1404 is further driven to wind the connecting rope 1405, the back strap 1406 is continuously contracted until the user feels a proper force, then the user can start exercise by holding the fixing sleeve 1402, in the process, the multi-tooth clamping ring 1403 and the gear 1408 can avoid the rotation of the sliding rod 1407, self-locking can be realized, meanwhile, one side tooth of the gear 1408 is of an inclined plane structure, the sliding rod 1403 can be more conveniently inserted into the multi-tooth clamping ring 1403, after the exercise, the sliding rod 1407 is pulled out, the back strap 1406 is separated from limit, through holes corresponding to the back strap 1406 and the connecting rope 1405 are formed in the inner parts of the front side and the back side of the back plate 1305, the back strap 1406 is ensured to be driven to be contracted by the connecting rope 1405, a groove corresponding to the conical clamping block 1410 is formed in one side of the rotating column 1404, and the cross section of the groove is diamond, the conical structure can better facilitate the insertion of the conical clamping block 1410, and meanwhile, the diamond cross section enables the inserted conical clamping block 1410 to drive the rotating column 1404 to rotate.
Working principle: by inserting the adjusting inserted bar 505 into the proper adjusting weight 501, a user sits on the seat plate 1303, opens two elastic locking belts 1306, connects the two elastic locking belts 1306 after sitting posture adjustment, legs are erected on the supporting plate 1304, then two arms pass through the space between the back belt 1406 and the leaning plate 1305, then pushes the sliding bar 1407 backwards, pushes the cone-shaped clamping block 1410 to be inserted into the rotating column 1404, and enables the multi-tooth clamping ring 1403 and the gear 1408 to be meshed, then rotates the sliding bar 1407, further drives the rotating column 1404 to wind the connecting rope 1405, enables the back belt 1406 to continuously shrink until the user feels proper force, then the user can start exercise by holding the fastening sleeve 1402, when the legs lift the driving rolling sleeve 1206 upwards, further drives the connecting rod 1204 and the rotating shell 1203 to rotate on the fixed plate 1202, can drive the transmission wire 10 to complete transmission through the rotating shell 1203, further drives the connecting block 503 and the top negative weight 502 to move through the porous plate 504 and the adjusting inserted bar 505, drives the corresponding adjusting weight to move, and after the sliding bar 1407 is pulled out, the back belt 1406 breaks away from the limiting bar 1407.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Sitting type stretches bent leg training ware, including fixed baseplate (1), its characterized in that: the rear end of the top of the fixed bottom plate (1) is fixedly connected with a connecting shell (2), and two sides inside the connecting shell (2) are respectively fixedly connected with a first limiting rod (3) and a second limiting rod (4);
a load mechanism (5) is slidably connected between the first limiting rod (3) and the second limiting rod (4), one side of the inner surface of the top of the connecting shell (2) is fixedly connected with a first fixed pulley (6) and a second fixed pulley (7) respectively, and one side of the inner surface of the bottom of the connecting shell (2) is fixedly connected with a third fixed pulley (8) and a fourth fixed pulley (9) respectively;
one side of the preceding bottom of coupling shell (2) rotates and is connected with gyro wheel (11), one side fixedly connected with shank training mechanism (12) of coupling shell (2), be provided with transmission steel wire (10) between heavy burden mechanism (5) and shank training mechanism (12), the top center fixedly connected with supporting mechanism (13) of PMKD (1), both ends all fixedly connected with back stop gear (14) around supporting mechanism (13).
2. The sitting-type stretching leg trainer according to claim 1, wherein: the load mechanism (5) comprises a plurality of adjusting negative weights (501) and top negative weights (502) which are slidably connected between a first limiting rod (3) and a second limiting rod (4), connecting blocks (503) and porous plates (504) are fixedly connected to the top and bottom centers of the top negative weights (502) respectively, and an adjusting inserting rod (505) is arranged between each porous plate (504) and each adjusting negative weight (501).
3. The sitting-type stretching leg trainer according to claim 2, wherein: a plurality of the adjusting weight blocks (501) are respectively provided with a rectangular through hole and a round through hole which correspond to the porous plate (504) and the adjusting insert rod (505).
4. The sitting-type stretching leg trainer according to claim 1, wherein: the transmission steel wire (10) is respectively attached to the outer walls of the first fixed pulley (6), the second fixed pulley (7), the third fixed pulley (8) and the fourth fixed pulley (9).
5. The sitting-type stretching leg trainer according to claim 1, wherein: the leg training mechanism (12) comprises a fixing plate (1201) fixedly connected to one side of a connecting shell (2), a fixing plate (1202) is fixedly connected to the front of the fixing plate (1201), a rotating shell (1203) is rotationally connected to the center of the fixing plate (1202), a connecting rod (1204) is fixedly connected to the bottom of the rotating shell (1203), a rotating sleeve (1205) is rotationally connected to the front of the connecting rod (1204), and a driving roller sleeve (1206) is rotationally connected to the front end of the rotating sleeve (1205).
6. The sitting-type stretching leg trainer according to claim 1, wherein: the supporting mechanism (13) comprises a first upright (1301) and a second upright (1302) which are fixedly connected to the top of the fixed bottom plate (1), a seat plate (1303) is fixedly connected to the tops of the first upright (1301) and the second upright (1302), a supporting plate (1304) and a backing plate (1305) are respectively and fixedly connected to two sides of the seat plate (1303), and elastic locking belts (1306) are fixedly connected to the front surface and the rear surface of the bottom of the backing plate (1305).
7. The sitting-type stretching leg trainer according to claim 6, wherein: the two elastic locking belts (1306) are connected through plastic buckles.
8. The sitting-type stretching leg trainer according to claim 6, wherein: the back limiting mechanism (14) comprises a fixed shell (1401) fixedly connected to one side of a seat plate (1303) and a backup plate (1305), one side of the fixed shell (1401) is fixedly connected with a fixed sleeve (1402), the middle section of the inner wall of the fixed sleeve (1402) is fixedly connected with a multi-tooth clamping ring (1403), the inner wall of the fixed shell (1401) is rotationally connected with a rotating column (1404), the outer wall of the rotating column (1404) is provided with a connecting rope (1405), a brace (1406) is fixedly connected between one end of the connecting rope (1405) and the backup plate (1305), the inner wall of the fixed sleeve (1402) is slidably connected with a sliding rod (1407), one end of the sliding rod (1407) is fixedly connected with a gear (1408), one side of the gear (1408) is fixedly connected with a thin connecting rod (1409), and one end of the thin connecting rod (1409) is fixedly connected with a conical clamping block (1410).
9. The sitting-type stretching leg trainer according to claim 8, wherein: through holes corresponding to the braces (1406) and the connecting ropes (1405) are formed in the front side and the rear side of the leaning plate (1305).
10. The sitting-type stretching leg trainer according to claim 8, wherein: a groove corresponding to the conical clamping block (1410) is formed in one side of the rotating column (1404), and the cross section of the groove is diamond-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311349124.6A CN117159996B (en) | 2023-10-18 | 2023-10-18 | Sitting type leg stretching and bending trainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311349124.6A CN117159996B (en) | 2023-10-18 | 2023-10-18 | Sitting type leg stretching and bending trainer |
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| Publication Number | Publication Date |
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| CN117159996A true CN117159996A (en) | 2023-12-05 |
| CN117159996B CN117159996B (en) | 2025-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311349124.6A Active CN117159996B (en) | 2023-10-18 | 2023-10-18 | Sitting type leg stretching and bending trainer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030171193A1 (en) * | 2001-06-27 | 2003-09-11 | Deola James A. | Leg excerciser |
| KR20090098410A (en) * | 2008-03-14 | 2009-09-17 | 김영애 | Abdominal exercise machine |
| CN110327592A (en) * | 2019-06-30 | 2019-10-15 | 刘飞 | A kind of novel upper arm musculus quadriceps plint |
| CN112007330A (en) * | 2020-09-17 | 2020-12-01 | 舒华体育股份有限公司 | Thigh extension training device |
| CN115624723A (en) * | 2022-10-24 | 2023-01-20 | 郑州航空工业管理学院 | Physical training device |
-
2023
- 2023-10-18 CN CN202311349124.6A patent/CN117159996B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030171193A1 (en) * | 2001-06-27 | 2003-09-11 | Deola James A. | Leg excerciser |
| KR20090098410A (en) * | 2008-03-14 | 2009-09-17 | 김영애 | Abdominal exercise machine |
| CN110327592A (en) * | 2019-06-30 | 2019-10-15 | 刘飞 | A kind of novel upper arm musculus quadriceps plint |
| CN112007330A (en) * | 2020-09-17 | 2020-12-01 | 舒华体育股份有限公司 | Thigh extension training device |
| CN115624723A (en) * | 2022-10-24 | 2023-01-20 | 郑州航空工业管理学院 | Physical training device |
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| Publication number | Publication date |
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| CN117159996B (en) | 2025-08-19 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Seated leg curl machine Granted publication date: 20250819 Pledgee: Qilu bank Limited by Share Ltd. Dezhou Ningjin branch Pledgor: Shandong Minolta fitness equipment Co.,Ltd. Registration number: Y2025980068681 |
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