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Inversion exerciser

Inversion exerciser description/claims

1. Field of the Invention

The invention relates to an inversion exerciser, more particularly to an inversion exerciser including a foot retaining part pivoted to a beam and adjustable at an angle relative to the beam.

2. Description of the Related Art

U.S. Pat. No. 7,081,073 discloses an inversion exerciser that includes: a beam provided with a pair of pivot boards; a curved rack secured to the pivot boards and provided with retaining teeth; a foot retaining part pivoted to the pivot boards; a block secured to a chamber in the foot retaining part, defining a passage and provided with a pawl; a rod slidably received in the passage and having one end pivoted to the pawl so as to rotate the pawl to disengage the retaining teeth of the rack; a spring for biasing the rod to rotate the pawl and to disengage the pawl from the retaining teeth of the rack; an elbow pivoted to the beam and having one end pivoted to the other end of the rod; and an operating post mounted slidably in the chamber in the foot retaining part and connected to the other end of the elbow for rotating the elbow against the spring in order to force the pawl to engage the retaining teeth of the rack. The inversion exerciser thus formed allows the root retaining part to be adjustable at an angle relative to the beam. However, the aforesaid conventional inversion exerciser is disadvantageous in that the structure of the parts required to permit engagement and disengagement between the retaining teeth and the pawl is complicated.

Therefore, the object of the present invention is to provide an inversion exerciser that can overcome the aforesaid drawback associated with the prior art.

Accordingly, an inversion exerciser of the present invention comprises: a beam having a pivot part that is formed with a plurality of retaining grooves which are angularly displaced along an arcuate track; a foot retaining part pivoted to the pivot part so as to be rotatable relative to the beam about a first axis; a swingable part having first and second end portions and a middle portion extending between the first and second end portions and pivoted to the foot retaining part so as to permit rotation of the swingable part relative to the foot retaining part about a second axis parallel to the first axis and so as to permit co-rotation of the swingable part and the foot retaining part about the first axis; a locking pin extending transversely relative to the swingable part and secured to the first end portion of the swingable part so as to be co-rotatable with the swingable part to thereby engage and disengage a selected one of the retaining grooves; an urging member for biasing the swingable part to rotate in a first rotation direction to retain the locking pin in the selected one of the retaining grooves; and a releasing member mounted movably on the foot retaining part and connected to the second end portion of the swingable part for rotating the swingable part in a second rotation direction opposite to the first rotation direction so as to disengage the locking pin from the selected one of the retaining grooves.

Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiment with reference to the accompanying drawings, of which:

FIG. 1 is an exploded perspective view of the preferred embodiment of an inversion exerciser according to the present invention;

FIG. 2 is an assembled perspective view of the preferred embodiment;

FIG. 3 is a fragmentary partly sectional view of the preferred embodiment, illustrating a state where a first locking pin is urged to be retained in a retaining groove;

FIG. 4 is a fragmentary partly sectional view of the preferred embodiment, illustrating another state where the first locking pin is disengaged from the retaining groove; and

FIG. 5 is a fragmentary partly sectional view of the preferred embodiment, illustrating yet another state where the entire exerciser is inverted and where a second locking pin engages a retaining groove.

Referring to FIGS. 1, 2 and 3, the preferred embodiment of an inversion exerciser according to the present invention is shown to include: a beam 2 having a pivot part 22 that is formed with a plurality of retaining grooves 231 which are angularly displaced along an arcuate track 23; a foot retaining part 3 pivoted to the pivot part 22 so as to be rotatable relative to the beam 2 about a first axis (A) ; a swingable part 41 having first and second end portions 411, 412 and a middle portion 413 extending between the first and second end portions 411, 412 and pivoted to the foot retaining part 3 so as to permit rotation of the swingable part 41 relative to the foot retaining part 3 about a second axis (B) parallel to the first axis (A) and so as to permit co-rotation of the swingable part 41 and the foot retaining part 3 about the first axis (A) ; a first locking pin 42 extending transversely relative to the swingable part 41 and secured to the first end portion 411 of the swingable part 41 so as to be co-rotatable with the swingable part 41 to thereby engage and disengage a selected one of the retaining grooves 231; a first urging member 43 for biasing the swingable part 41 to rotate in a first rotation direction to retain the first locking pin 42 in the selected one of the retaining grooves 231; and a releasing member 5 mounted movably on the foot retaining part 3 and connected to the second end portion 412 of the swingable part 41 for rotating the swingable part 41 in a second rotation direction opposite to the first rotation direction so as to disengage the first locking pin 42 from the selected one of the retaining grooves 231.

• Provisional Patent
• Utility Patent

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