Elevation-adjusting device for a seat of an exercise bicycle
a technology for adjusting devices and exercise bicycles, applied in the field of exercise bicycles, can solve problems such as unstable structure, and achieve the effect of easily positioned
Inactive Publication Date: 2006-08-03
KUO HAI PIN
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- Claims
- Application Information
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Benefits of technology
[0003] Accordingly, the primary object of the present invention is to provide an exercise bicycle, wherein a buckling section of a buckling post serves to buckle a position hole. The positioning hole has a lip tilt to the inner tube so that the buckling section is stably positioned easily with a preferred performance.
[0004] To achieve above object, the present invention provide an elevation-adjusting device for a seat of an exercise bicycle; the exercise bicycle being capable of standing on the ground; the exercise bicycle moving when the user treads upon treadles of the exercise bicycle. The device comprises a positioning device having a buckling post; the buckling post having a buckling section; an outer tube; an inner tube installed within the outer tube; the elevation of the inner tube being adjustable with respect to the outer tube; the inner tube being fixed to the outer tube by using the positioning device to be buckled into one of a plurality of positioning holes of the inner tube; and each of the positioning hole having a respective lip which obliquely protrudes from an inner wall at a lower end of the positioning hole; thereby, the buckling section of the buckling post of the positioning device being tightly secured to the positioning hole and the inner tube being lifted easily and smoothly.
Problems solved by technology
However since the inner tube has hollowed positioning holes, when the pins are buckled to the positioning hole, in exercise, the inner tube is easy to vibrate so that the structure is unstable.
Method used
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[0011] In order that those skilled in the art can further understand the present invention, a description will be described in the following in details. However, these descriptions and the appended drawings are only used to cause those skilled in the art to understand the objects, features, and characteristics of the present invention, but not to be used to confine the scope and spirit of the present invention defined in the appended claims.
[0012] With reference to FIG. 1, the exercise bicycle of the present invention is illustrated. The exercise bicycle has a bicycle has a body (not shown) which can stand on the ground. An outer tube 1 is extended from the body. An inner tube 2 is installed within the outer tube 1. A top of the inner tube 2 has a seat 7 (referring to FIG. 3) for supporting a rider. A positioning device is used to adjust the elevation of the inner tube 2 to lift or descend with respect to the outer tube 1.
[0013] A positioning base 11 is installed near a top of the...
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An elevation-adjusting device serves for a seat of an exercise bicycle. The exercise bicycle is capable of standing on the ground. The device comprises a positioning device having a buckling post; the buckling post having a buckling section; an outer tube; an inner tube installed within the outer tube; the elevation of the inner tube being adjustable with respect to the outer tube; the inner tube being fixed to the outer tube by using the positioning device to be buckled into one of a plurality of positioning holes of the inner tube; and each of the positioning hole having a respective lip which obliquely protrudes from an inner wall at a lower end of the positioning hole; thereby, the buckling section of the buckling post of the positioning device being tightly secured to the positioning hole and the inner tube being lifted easily and smoothly.
Description
FIELD OF THE INVENTION [0001] The present invention relates to exercise bicycles, and particularly to an exercise bicycle, wherein a buckling section of a buckling post serves to buckle a position hole. The positioning hole has a lip tilt to the inner tube so that the buckling section is stably positioned easily with a preferred performance. BACKGROUND OF THE INVENTION [0002] In the prior art, the seat of an exercise bicycle is adjusted by moving an inner tube with respect to the outer tube, where the seat is located upon the outer tube and the inner tube. The inner tube is placed within the outer tube. Spring-like pins are inserted into the positioning holes of the inner tube so as to fix the inner tube to the outer tube to a desired elevation. The prior art way has been used for a long time and is a convenient way. However since the inner tube has hollowed positioning holes, when the pins are buckled to the positioning hole, in exercise, the inner tube is easy to vibrate so that t...
Claims
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Login to View More IPC IPC(8): A63B22/06A63B69/16
CPCA63B22/08A63B2225/093A63B22/0605
InventorKUO, HAI PIN
OwnerKUO HAI PIN