1. Field of the Invention
The present invention relates to an exercising device, and more particularly to a waist exercising device that has an adjustable centrifugal weight assembly so a centrifugal load of an exercise hoop may be adjusted to achieve excellent exercising effect.
2. Description of Related Art
Conventional exercise hoops are set loosely around a person's waist and rotated by the person swaying for improved muscle definition and prevent fat accumulation.
However the conventional exercise hoop has the following defects.
The exercise hoop lacks positioning functions to securely position itself on the person's waist. Therefore, beginners incapable of swaying correctly cannot stably maintain the exercise hoop on their waist and become frustrated easily.
Furthermore, due to even weight distribution of the exercise hoop, skilled users need not apply strenuous effort so cannot exercise efficiently without further adding weight to the exercise hoop.
Moreover, the exercise hoop constantly hits and rubs against the person's waist and may injure the waist.
To overcome the shortcomings, the present invention provides a waist exercising device to mitigate or obviate the aforementioned problems.
The main objective of the invention is to provide a waist exercising device that has an adjustable centrifugal weight assembly so a centrifugal load of the exercise hoop may be adjusted to achieve excellent exercising effect.
A waist exercising device in accordance with the present invention has a waist cushion, a weight roundel and a centrifugal weight assembly. The weight roundel is mounted rotatably on the waist cushion and has a cavity defined in the weight roundel and a pivot shaft formed in the cavity. The centrifugal weight assembly is mounted in the cavity and has an arm and a weight. The arm is connected pivotally to the pivot shaft. The weight is connected to the arm and generates centrifugal force and has at least one detachable weight element.
Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
With reference to
With further reference to
The cushioning plate (12) is mounted on the pivot mount (11) and may press against the abdomen.
The mounting holes (111) are defined transversely through the pivot mount (11).
The pivot hole (13) is defined through the pivot mount (11) and has an inner surface and a limiting slot (135). The limiting slot (135) is defined in the inner surface and may be a quarter of a circle.
The waist belt (15) is mounted through the mounting holes (111) and may be tightened around a waist of the exerciser.
With further reference to
The cavity (200) is defined in the weight roundel (20), has an inner surface and may have a first circular rail (201), a second circular rail (202) and an opening. The first circular rail (201) is formed on the inner surface at the first housing (21). The second circular rail (202) is formed on the inner surface at the second housing (22). The opening is defined through the second housing (22).
The pivot shaft (25) is formed axially on the inner surface of the cavity (200) and may be formed on the first housing (21).
The pivot pin (23) is formed on and protrudes radially from the weight roundel (20), may be assembled by two semi-tubular members (231, 232) being resilient and respectively formed on the first and second housings (21, 22) and is mounted rotatably in the pivot hole (13) of the waist cushion (10). The pivot pin (23) may have a fastening hook (233) and a limiting protrusion (235). The fastening hook (233) is formed on and protrudes radially from the pivot pin (23) and hooks on the pivot mount (23). The limiting protrusion (235) is formed on and protrudes radially from the pivot mount (23) and is mounted slidably in the limiting slot (135) of the pivot mount (23) to limit the pivot pin (23) to rotate in a specific angular range, such as 90 degrees.
The control panel (26) is mounted on the second housing (22) of the weight roundel (20) and has a monitor (261), multiple keys (262), a control circuit, a central process unit and a counter. Therefore, the exerciser may manipulate the control panel (26) to implement number-count and speed-count functions.
The cover (27) is mounted pivotally on the second housing (22) of the weight roundel (20) and selectively covers the opening of the cavity (200).
With further reference to
The arm (31) is mounted pivotally on the shaft (25) in the cavity (200) of the weight roundel (20), has a mounting end (311) and a connecting end (312) and may further have at least one recess (313) and at least one roller (37). The mounting end (311) of the arm (31) is mounted pivotally on the pivot shaft (25) and may have a through hole (310) and a bearing (40). The through hole (310) is defined through the mounting end (311) and mounted rotatably around the pivot shaft (25). The bearing (40) is mounted in the through hole (310) and is mounted around the pivot shaft (25) to facilitate the arm (31) pivoting on the pivot shaft (25). The connecting end (312) is opposite to the mounting end (311). The at least one recess (313) is defined in the arm (31). The at least one roller (37) may be at least one ball, is rotatably mounted respectively in the at least one recess (313) and selectively contacts the second circular rail (202) on the inner surface of the cavity (200) of the weight roundel (20). The centrifugal weight assembly (30) pivoting and slightly vibrating in the weight roundel (20) contacts the inner surface of the cavity (200) through the at least one roller (37). Therefore, the inner surface of the cavity (200) provides a counterforce supporting the arm (31) through the at least one roller (37) to ease a torsion applied to the pivot shaft (25) and facilitate the arm (31) pivoting on the pivot shaft (25).
The weight is connected to the connecting end (312) of the arm (31), selectively moves around the pivot shaft (25) to provide centrifugal force and may have a casing (32), at least one weight element (34), a lid (33) and a light assembly (35).
The casing (32) is connected to the connecting end (312) of the arm (31) and has a chamber, at least one recess (323) and at least one roller (37). The chamber is defined in the casing (32) and has at least one positioning slot (321) being curved. The at least one recess (323) is defined in the casing (32). The at least one roller (37) may be at least one ball, is rotatably mounted respectively in the at least one recess (323) of the casing (32) and selectively contacts the first circular rail (201) on the inner surface of the cavity (200) of the weight roundel (20). The inner surface of the cavity (200) provides a counterforce through the at least one roller (37) of the casing (32) to support the casing (32) to facilitate the weight moving in the cavity (200).
The at least one weight element (34) may be curved, is detachably mounted respectively in the at least one positioning slot (321) of the chamber of the casing (32). The exerciser may adjust an exercising load of the waist exercising device by simply increasing or decreasing weight elements (34).
The lid (33) detachably covers the chamber and may be transparent or translucent.
The light assembly (35) is mounted under the lid (33) and has light elements such as light-emitting diodes and a battery box (352) connected to the light elements.
With further reference to
With further reference to
The waist exercising device has following advantages.
1. The centrifugal weight assembly (30) increases an exercise load so exercising for more efficient exercising over conventional exercise hoops.
2. The weights (34) may be increased or decreased depending on different users. A beginner may use less weights (34) and a skilled user may use more.
3. Gripping the weight roundel (20) and using the waist belt (15) prevents the waist exercising device from falling off or hitting objects or persons behind so can be used indoors more easily.
Even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only. Changes may be made in the details, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Number | Name | Date | Kind |
---|---|---|---|
D418562 | Pravitz et al. | Jan 2000 | S |
6077194 | Chang | Jun 2000 | A |
6488614 | Chang | Dec 2002 | B1 |
6719675 | Yu | Apr 2004 | B2 |
7008356 | Hung | Mar 2006 | B2 |