| 摘要 |
A waist twisting apparatus may include a base, a supporting portion, and a seat. A platform is formed at a top portion of the base, and a central portion of the platform has a first axle hole. The supporting portion vertically formed on the base comprises a main body, and a first edge and a second edge thereof are respectively formed at an inner edge and an outer edge of the main body. The main body is further connected to a first axle rod and a second axle rod respectively, and the first axle rod comprises a first connecting portion while the second axle rod has a second connecting portion. The wheel is pivotally installed at a bottom portion of the main body. The seat has a bottom shell, and a second axle hole is formed at a center bottom portion of the bottom shell. |
| 主权项 |
1. A waist twisting apparatus comprising:
a base comprising a platform formed at a top portion thereof, and a central portion of the platform having a first axle hole, a supporting portion vertically formed on the base comprising a main body, and a first axle rod formed at a lower inner portion thereof configured to connect to the first axle hole, wherein the main body has a vertical first edge and a vertical second edge, which are respectively located near the first axle rod and far from the first axle rod, and a second axle rod is formed at an upper outer portion of the main body which is close to the second edge of the main body, wherein the first axle rod comprises a first connecting portion which downwardly sticks out of a bottom portion of the main body, and the second axle rod has a second connecting portion which upwardly protrudes from a top portion of the main body, a wheel is pivotally installed at the bottom portion of the main body which is close to the second edge; and a seat comprising a bottom shell, and a second axle hole is formed at a center bottom portion of the bottom shell, wherein the supporting portion is downwardly connected to the base by inserting the first connecting portion into the first axle hole, and is upwardly connected to the seat by inserting the second connecting portion into the second axle hole, thus each of the base and the seat is able to respectively rotate about the first connecting portion and the second connecting portion of the supporting portion, and the wheel is borne against the platform of the base, wherein the design of the supporting portion allows the height of the seat to be slightly higher than the height of the knee of general adult user. |
