US20220193478A1 - Rotation Structure - Google Patents
Rotation Structure Download PDFInfo
- Publication number
- US20220193478A1 US20220193478A1 US17/130,027 US202017130027A US2022193478A1 US 20220193478 A1 US20220193478 A1 US 20220193478A1 US 202017130027 A US202017130027 A US 202017130027A US 2022193478 A1 US2022193478 A1 US 2022193478A1
- Authority
- US
- United States
- Prior art keywords
- shells
- main body
- mandrel
- rotation structure
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/0608—Eccentric weights put into orbital motion by nutating movement of the user
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/22—Resisting devices with rotary bodies
- A63B21/222—Resisting devices with rotary bodies by overcoming gyroscopic forces, e.g. by turning the spin axis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00178—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices for active exercising, the apparatus being also usable for passive exercising
Definitions
- the present invention relates to an exercising device and, more particularly, to a rotation structure, such as a gyro grip centrifugal force fitness trainer, a fitness centrifugal ring or the like, that provides an exercising effect.
- a rotation structure such as a gyro grip centrifugal force fitness trainer, a fitness centrifugal ring or the like, that provides an exercising effect.
- a conventional rotation structure in accordance with the prior art shown in FIGS. 5 and 6 comprises a main body 50 having an interior provided with a ball space 64 , and a weighting ball 70 rolling in the ball space 64 .
- the ball space 64 is defined by two walls 65 and an annular slideway 66 .
- the weighting ball 70 is rolling in the annular slideway 66 and is limited by the two walls 65 .
- the main body 50 includes two shells 61 and 62 combined together. Each of the two shells 61 and 62 has a mounting face 63 , and the mounting faces 63 of the two shells 61 and 62 are juxtaposed to each other.
- the main body 50 has an exterior provided with two finger holes 52 and two handles 54 .
- the user's two hands hold and move the two handles 54 so that the main body 50 is rotated, and the weighting ball 70 is rolling in the ball space 64 to produce a centrifugal force.
- the two handles 54 function as a pivot fulcrum, and the weighting ball 70 is rolling in the annular slideway 66 and is limited by the two walls 65 .
- the user's two hands has to overcome the centrifugal force produced by the weighting ball 70 so as to achieve an exercising effect.
- the conventional rotation structure exercises the user's two hands.
- the weighting ball 70 frequently rubs the annular slideway 66 and the two walls 65 and produces sound loudly during rolling, thereby causing disturbance to the user.
- the main body 50 cannot be operated at the night to prevent from causing disturbance to the neighbor.
- the primary objective of the present invention is to provide a rotation structure that is noiseless during operation.
- a rotation structure comprising a main body, two bearings mounted in the main body, a mandrel mounted between the two bearings, a rotation member having a first end connected with the mandrel, and a weight mounted on a second end of the rotation member.
- the main body includes two shells combined together.
- the main body has an exterior provided with two finger holes and two operation portions. The two finger holes correspond to the two operation portions respectively.
- the main body has an interior provided with a receiving chamber and two mounting recesses.
- the mandrel has two ends pivotally mounted on the two bearings. The mandrel is received in the receiving chamber.
- the two bearings are mounted in the two mounting recesses respectively.
- the rotation member is situated at a center of the mandrel.
- the rotation member is perpendicular to the mandrel.
- the rotation member and the weight have a total length smaller than a radius of the main body.
- the main body is operated in a noiseless manner and will not produce noise during movement to prevent from causing disturbance to other people during the exercising process so that the rotation structure is operated at any time.
- the rotation structure provides an exercising effect to train the user's hands, wrists, and feet.
- the rotation structure has a simplified construction to decrease the cost of fabrication and production.
- the rotation structure is assembled easily and conveniently.
- FIG. 1 is a perspective view of a rotation structure in accordance with the preferred embodiment of the present invention.
- FIG. 2 is an exploded perspective view of a rotation structure in accordance with the preferred embodiment of the present invention.
- FIG. 3 is a cross-sectional operational view of the rotation structure in accordance with the preferred embodiment of the present invention.
- FIG. 4 is another cross-sectional operational view of the rotation structure in accordance with the preferred embodiment of the present invention.
- FIG. 5 is an exploded perspective view of a conventional rotation structure in accordance with the prior art.
- FIG. 6 is a cross-sectional operational view of the conventional rotation structure in accordance with the prior art.
- a rotation structure in accordance with the preferred embodiment of the present invention comprises a main body 10 , two bearings 34 mounted in the main body 10 , a mandrel 30 mounted between the two bearings 34 , a rotation member 32 having a first end connected with the mandrel 30 , and a weight 36 mounted on a second end of the rotation member 32 .
- the main body 10 includes two shells 20 and 21 juxtaposed to each other and combined together.
- the main body 10 has an exterior provided with two finger holes 12 and two operation portions 14 .
- the two finger holes 12 correspond to the two operation portions 14 respectively.
- the main body 10 has an interior provided with a receiving chamber 22 and two mounting recesses 24 .
- the receiving chamber 22 is defined in the two shells 20 and 21 .
- the mandrel 30 has two ends pivotally mounted on the two bearings 34 .
- the mandrel 30 , the rotation member 32 and the weight 36 are received in the receiving chamber 22 when the two shells 20 and 21 cover each other.
- the two bearings 34 are mounted in the two mounting recesses 24 respectively when the two shells 20 and 21 cover each other.
- the rotation member 32 is situated at a center of the mandrel 30 and is located between the mandrel 30 and the weight 36 .
- the rotation member 32 is perpendicular to the mandrel 30 .
- the rotation member 32 and the weight 36 have a total length smaller than a radius of the main body 10 .
- the weight 36 is rotatable in the receiving chamber 22 .
- each of the two operation portions 14 is a handgrip.
- each of the two operation portions 14 has an arcuate shape.
- each of the two operation portions 14 is provided with a nonslip portion 16 .
- the rotation member 32 is a rod or pole.
- the rotation structure further comprises four positioning members 40 extending through the two shells 20 and 21 to secure the two shells 20 and 21 .
- the four positioning members 40 are situated at upper ends and lower ends of the two operation portions 14 .
- each of the two shells 20 and 21 has a periphery provided with at least one insertion projection 261 and at least one insertion slot 262 .
- the at least one insertion projection 261 of one of the two shells 20 and 21 is inserted into the at least one insertion slot 262 of the other one of the two shells 20 and 21 when the two shells 20 and 21 are juxtaposed to each other.
- the thickness of the two shells 20 and 21 is reduced, and the whole weight of the main body 10 is reduced.
- each of the two shells 20 and 21 has an interior provided with a plurality of first connecting portions 281 and a plurality of second connecting portions 282 .
- the first connecting portions 281 of one of the two shells 20 and 21 are connected with the second connecting portions 282 of the other one of the two shells 20 and 21 when the two shells 20 and 21 are juxtaposed to each other, to enhance the combination strength of the main body 10 .
- the mandrel 30 is disposed at a center of each of the two shells 20 and 21 .
- the user's two hands hold and move the two operation portions 14 so that the main body 10 is rotated, and the rotation member 32 and the weight 36 are pivoted about the mandrel 30 to produce a centrifugal force.
- the two operation portions 14 function as a pivot fulcrum.
- the rotation structure exercises the user's two hands.
- the weight 36 is combined with the rotation member 32 and will not rub the inner wall of the two shells 20 and 21 to prevent from producing noise during rotation of the weight 36 so that the main body 10 is operated smoothly and will not produce noise during movement.
- the user's two palms pass through the two finger holes 12 and press the main body 10 to direct hold and move the main body 10 so that the main body 10 is rotated, and the rotation member 32 and the weight 36 are pivoted about the mandrel 30 to produce a centrifugal force.
- the two finger holes 12 function as a pivot fulcrum.
- the rotation structure exercises the user's two hands.
- the weight 36 is combined with the rotation member 32 and will not rub the inner wall of the two shells 20 and 21 to prevent from producing noise during rotation of the weight 36 so that the main body 10 is operated smoothly and will not produce noise during movement.
- the user's two feet hold and move the two operation portions 14 so that the main body 10 is rotated, and the rotation member 32 and the weight 36 are pivoted about the mandrel 30 to produce a centrifugal force.
- the two operation portions 14 function as a pivot fulcrum.
- the rotation structure exercises the user's two feet.
- the weight 36 is combined with the rotation member 32 and will not rub the inner wall of the two shells 20 and 21 to prevent from producing noise during rotation of the weight 36 so that the main body 10 is operated smoothly and will not produce noise during movement.
- the main body 10 is operated in a noiseless manner and will not produce noise during movement to prevent from causing disturbance to other people during the exercising process so that the rotation structure is operated at any time.
- the rotation structure provides an exercising effect to train the user's hands, wrists, and feet.
- the rotation structure has a simplified construction to decrease the cost of fabrication and production. Further, the rotation structure is assembled easily and conveniently.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Tires In General (AREA)
Abstract
A rotation structure includes a main body, two bearings mounted in the main body, a mandrel mounted between the two bearings, a rotation member having a first end connected with the mandrel, and a weight mounted on a second end of the rotation member. The rotation member is situated at a center of the mandrel and is perpendicular to the mandrel. The rotation member and the weight have a total length smaller than a radius of the main body. Thus, the weight is rotated in the main body without producing sound so that the main body is operated in a noiseless manner and will not produce noise during movement.
Description
- The present invention relates to an exercising device and, more particularly, to a rotation structure, such as a gyro grip centrifugal force fitness trainer, a fitness centrifugal ring or the like, that provides an exercising effect.
- A conventional rotation structure in accordance with the prior art shown in
FIGS. 5 and 6 comprises amain body 50 having an interior provided with aball space 64, and aweighting ball 70 rolling in theball space 64. Theball space 64 is defined by twowalls 65 and anannular slideway 66. Theweighting ball 70 is rolling in theannular slideway 66 and is limited by the twowalls 65. Themain body 50 includes twoshells shells face 63, and the mounting faces 63 of the twoshells main body 50 has an exterior provided with twofinger holes 52 and twohandles 54. In operation, the user's two hands hold and move the twohandles 54 so that themain body 50 is rotated, and theweighting ball 70 is rolling in theball space 64 to produce a centrifugal force. At this time, the two handles 54 function as a pivot fulcrum, and theweighting ball 70 is rolling in theannular slideway 66 and is limited by the twowalls 65. In such a manner, the user's two hands has to overcome the centrifugal force produced by theweighting ball 70 so as to achieve an exercising effect. Thus, the conventional rotation structure exercises the user's two hands. However, theweighting ball 70 frequently rubs theannular slideway 66 and the twowalls 65 and produces sound loudly during rolling, thereby causing disturbance to the user. In addition, themain body 50 cannot be operated at the night to prevent from causing disturbance to the neighbor. - The primary objective of the present invention is to provide a rotation structure that is noiseless during operation.
- In accordance with the present invention, there is provided a rotation structure comprising a main body, two bearings mounted in the main body, a mandrel mounted between the two bearings, a rotation member having a first end connected with the mandrel, and a weight mounted on a second end of the rotation member. The main body includes two shells combined together. The main body has an exterior provided with two finger holes and two operation portions. The two finger holes correspond to the two operation portions respectively. The main body has an interior provided with a receiving chamber and two mounting recesses. The mandrel has two ends pivotally mounted on the two bearings. The mandrel is received in the receiving chamber. The two bearings are mounted in the two mounting recesses respectively. The rotation member is situated at a center of the mandrel. The rotation member is perpendicular to the mandrel. The rotation member and the weight have a total length smaller than a radius of the main body.
- According to the primary advantage of the present invention, the main body is operated in a noiseless manner and will not produce noise during movement to prevent from causing disturbance to other people during the exercising process so that the rotation structure is operated at any time.
- According to another advantage of the present invention, the rotation structure provides an exercising effect to train the user's hands, wrists, and feet.
- According to a further advantage of the present invention, the rotation structure has a simplified construction to decrease the cost of fabrication and production.
- According to a further advantage of the present invention, the rotation structure is assembled easily and conveniently.
- Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
-
FIG. 1 is a perspective view of a rotation structure in accordance with the preferred embodiment of the present invention. -
FIG. 2 is an exploded perspective view of a rotation structure in accordance with the preferred embodiment of the present invention. -
FIG. 3 is a cross-sectional operational view of the rotation structure in accordance with the preferred embodiment of the present invention. -
FIG. 4 is another cross-sectional operational view of the rotation structure in accordance with the preferred embodiment of the present invention. -
FIG. 5 is an exploded perspective view of a conventional rotation structure in accordance with the prior art. -
FIG. 6 is a cross-sectional operational view of the conventional rotation structure in accordance with the prior art. - Referring to the drawings and initially to
FIGS. 1 and 2 , a rotation structure in accordance with the preferred embodiment of the present invention comprises amain body 10, twobearings 34 mounted in themain body 10, amandrel 30 mounted between the twobearings 34, arotation member 32 having a first end connected with themandrel 30, and aweight 36 mounted on a second end of therotation member 32. - The
main body 10 includes twoshells main body 10 has an exterior provided with twofinger holes 12 and twooperation portions 14. The twofinger holes 12 correspond to the twooperation portions 14 respectively. Themain body 10 has an interior provided with areceiving chamber 22 and twomounting recesses 24. Thereceiving chamber 22 is defined in the twoshells - The
mandrel 30 has two ends pivotally mounted on the twobearings 34. Themandrel 30, therotation member 32 and theweight 36 are received in thereceiving chamber 22 when the twoshells bearings 34 are mounted in the twomounting recesses 24 respectively when the twoshells - The
rotation member 32 is situated at a center of themandrel 30 and is located between themandrel 30 and theweight 36. Therotation member 32 is perpendicular to themandrel 30. Therotation member 32 and theweight 36 have a total length smaller than a radius of themain body 10. Theweight 36 is rotatable in thereceiving chamber 22. - In the preferred embodiment of the present invention, each of the two
operation portions 14 is a handgrip. - In the preferred embodiment of the present invention, each of the two
operation portions 14 has an arcuate shape. - In the preferred embodiment of the present invention, each of the two
operation portions 14 is provided with anonslip portion 16. - In the preferred embodiment of the present invention, the
rotation member 32 is a rod or pole. - In the preferred embodiment of the present invention, the rotation structure further comprises four
positioning members 40 extending through the twoshells shells positioning members 40 are situated at upper ends and lower ends of the twooperation portions 14. - In the preferred embodiment of the present invention, each of the two
shells insertion projection 261 and at least oneinsertion slot 262. The at least oneinsertion projection 261 of one of the twoshells insertion slot 262 of the other one of the twoshells shells shells main body 10 is reduced. - In the preferred embodiment of the present invention, each of the two
shells portions 281 and a plurality of second connectingportions 282. The first connectingportions 281 of one of the twoshells portions 282 of the other one of the twoshells shells main body 10. - In the preferred embodiment of the present invention, the
mandrel 30 is disposed at a center of each of the twoshells - In operation, referring to
FIG. 3 with reference toFIGS. 1 and 2 , the user's two hands hold and move the twooperation portions 14 so that themain body 10 is rotated, and therotation member 32 and theweight 36 are pivoted about themandrel 30 to produce a centrifugal force. At this time, the twooperation portions 14 function as a pivot fulcrum. In such a manner, the user's two hands has to overcome the centrifugal force produced by theweight 36 so as to achieve an exercising effect. Thus, the rotation structure exercises the user's two hands. At this time, theweight 36 is combined with therotation member 32 and will not rub the inner wall of the twoshells weight 36 so that themain body 10 is operated smoothly and will not produce noise during movement. - Alternatively, referring to
FIG. 4 with reference toFIGS. 1 and 2 , the user's two palms pass through the twofinger holes 12 and press themain body 10 to direct hold and move themain body 10 so that themain body 10 is rotated, and therotation member 32 and theweight 36 are pivoted about themandrel 30 to produce a centrifugal force. At this time, the twofinger holes 12 function as a pivot fulcrum. In such a manner, the user's two hands has to overcome the centrifugal force produced by theweight 36 so as to achieve an exercising effect. Thus, the rotation structure exercises the user's two hands. At this time, theweight 36 is combined with therotation member 32 and will not rub the inner wall of the twoshells weight 36 so that themain body 10 is operated smoothly and will not produce noise during movement. - Alternatively, the user's two feet hold and move the two
operation portions 14 so that themain body 10 is rotated, and therotation member 32 and theweight 36 are pivoted about themandrel 30 to produce a centrifugal force. At this time, the twooperation portions 14 function as a pivot fulcrum. In such a manner, the user's two feet has to overcome the centrifugal force produced by theweight 36 so as to achieve an exercising effect. Thus, the rotation structure exercises the user's two feet. At this time, theweight 36 is combined with therotation member 32 and will not rub the inner wall of the twoshells weight 36 so that themain body 10 is operated smoothly and will not produce noise during movement. - Accordingly, the
main body 10 is operated in a noiseless manner and will not produce noise during movement to prevent from causing disturbance to other people during the exercising process so that the rotation structure is operated at any time. In addition, the rotation structure provides an exercising effect to train the user's hands, wrists, and feet. Further, the rotation structure has a simplified construction to decrease the cost of fabrication and production. Further, the rotation structure is assembled easily and conveniently. - Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the scope of the invention.
Claims (8)
1. A rotation structure comprising:
a main body;
two bearings mounted in the main body;
a mandrel mounted between the two bearings;
a rotation member having a first end connected with the mandrel; and
a weight mounted on a second end of the rotation member;
wherein:
the main body includes two shells combined together;
the main body has an exterior provided with two finger holes and two operation portions;
the two finger holes correspond to the two operation portions respectively;
the main body has an interior provided with a receiving chamber and two mounting recesses;
the mandrel has two ends pivotally mounted on the two bearings;
the mandrel is received in the receiving chamber;
the two bearings are mounted in the two mounting recesses respectively;
the rotation member is situated at a center of the mandrel;
the rotation member is perpendicular to the mandrel; and
the rotation member and the weight have a total length smaller than a radius of the main body.
2. The rotation structure as claimed in claim 1 , wherein each of the two operation portions is a handgrip.
3. The rotation structure as claimed in claim 1 , wherein each of the two operation portions has an arcuate shape.
4. The rotation structure as claimed in claim 1 , wherein each of the two operation portions is provided with a nonslip portion.
5. The rotation structure as claimed in claim 1 , wherein the rotation member is a rod.
6. The rotation structure as claimed in claim 1 , further comprising:
four positioning members extending through the two shells to secure the two shells;
wherein the four positioning members are situated at upper ends and lower ends of the two operation portions.
7. The rotation structure as claimed in claim 1 , wherein:
each of the two shells has a periphery provided with at least one insertion projection and at least one insertion slot; and
the at least one insertion projection of one of the two shells is inserted into the at least one insertion slot of the other one of the two shells when the two shells are juxtaposed to each other.
8. The rotation structure as claimed in claim 1 , wherein:
each of the two shells has an interior provided with a plurality of first connecting portions and a plurality of second connecting portions; and
the first connecting portions of one of the two shells are connected with the second connecting portions of the other one of the two shells when the two shells are juxtaposed to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/130,027 US20220193478A1 (en) | 2020-12-22 | 2020-12-22 | Rotation Structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/130,027 US20220193478A1 (en) | 2020-12-22 | 2020-12-22 | Rotation Structure |
Publications (1)
Publication Number | Publication Date |
---|---|
US20220193478A1 true US20220193478A1 (en) | 2022-06-23 |
Family
ID=82021994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/130,027 Abandoned US20220193478A1 (en) | 2020-12-22 | 2020-12-22 | Rotation Structure |
Country Status (1)
Country | Link |
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US (1) | US20220193478A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4299143A1 (en) | 2022-06-27 | 2024-01-03 | Yu-Lun Tsai | Rotation exercising ball structure |
-
2020
- 2020-12-22 US US17/130,027 patent/US20220193478A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4299143A1 (en) | 2022-06-27 | 2024-01-03 | Yu-Lun Tsai | Rotation exercising ball structure |
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