A treadmill device includes two treadmills disposed above a base and each having a tread supported around a platform and each has one end rotatably supported on the base with a shaft which may be driven by a motor. An arm has a middle portion pivotally supported on the base and has two ends located below and coupled to the treadmills, for elevating one of the treadmills when the other treadmill is lowered, such that the two treadmills may be operated as a stepping exerciser. A latch may be used to lock the treadmills together.
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0. 10. An exercise apparatus comprising:
a base;
a first treadmill assembly in pivotal relation with the base;
a second treadmill assembly in pivotal relation with the base;
a coupling device pivotally coupled with the base, the coupling device further coupled with the first treadmill assembly and the second treadmill assembly;
a shaft operatively supported by the base;
the first treadmill assembly pivotally supported at the shaft; and
the second treadmill assembly pivotally supported at the shaft, whereby the coupling device is adapted to elevate the first treadmill assembly when the second treadmill assembly is depressed, and to elevate the second treadmill assembly when the first treadmill assembly is depressed.
0. 6. An exercise apparatus comprising:
a base;
a first treadmill assembly operatively coupled with the base and supported in pivotal relation with the base;
a second treadmill assembly operatively coupled with the base and supported in pivotal relation with the base;
a reciprocating coupling assembly interconnected between the first treadmill assembly and the second treadmill assembly, the reciprocating coupling assembly constraining the first treadmill assembly and the second treadmill assembly to move in opposite directions when reciprocating;
a shaft operatively supported by the base;
the first treadmill assembly pivotally supported at the shaft; and
the second treadmill assembly pivotally supported at the shaft.
1. A treadmill apparatus comprising:
a base including a first end, and including a second end having a shaft provided thereon,
a pair of treadmills disposed above said base, and each including a platform having a roller provided on a first end thereof and attached to said shaft, and each including a tread supported around said platform,
means for driving said shaft to actuate said treads,
an arm including a middle portion pivotally supported on said base with a pivot axle, and including two ends located below said treadmills respectively, and
means for coupling said ends of said arm to said treadmills to elevate a first of said treadmills when a second of said treadmills is lowered, and to elevate said second treadmill when said first treadmill is lowered.
2. The treadmill apparatus according to
3. The treadmill apparatus according to
4. The treadmill apparatus according to
5. The treadmill apparatus according to
0. 7. The exercise apparatus of claim 6 wherein:
the first treadmill assembly further comprises a first roller supported on the shaft; and
the second treadmill assembly further comprises a second roller supported on the shaft.
0. 8. The exercise apparatus of claim 7 further comprising:
a motor supported on the base, the motor adapted to drive the first roller and the second roller.
0. 9. The exercise apparatus of claim 8 wherein the motor is coupled with the shaft.
0. 11. The exercise apparatus of claim 10 wherein:
the first treadmill assembly further comprises a first roller supported on the shaft; and
the second treadmill assembly further comprises a second roller supported on the shaft.
0. 12. The exercise apparatus of claim 11 further comprising:
a motor supported on the base, the motor adapted to drive the first roller and the second roller.
0. 13. The exercise apparatus of claim 12 wherein the motor is coupled with the shaft.
0. 14. The treadmill apparatus according to claim 1, wherein the base includes a horizontal frame member extending parallel to the shaft, the middle portion of the arm pivotally supported on the horizontal frame member of the base with the pivot axle.
0. 15. The treadmill apparatus according to claim 14, wherein the pivot axle is mounted to a side of the horizontal frame member of the base.
0. 16. The exercise apparatus according to claim 6, wherein the base includes a horizontal frame member extending parallel to the shaft, the reciprocating coupling assembly pivotally supported on the horizontal frame member of the base.
0. 17. The exercise apparatus according to claim 16, wherein the reciprocating coupling assembly is pivotally supported with a pivot axle mounted to a side of the horizontal frame member of the base.
0. 18. The exercise apparatus according to claim 10, wherein the base includes a horizontal frame member extending parallel to the shaft, the coupling device pivotally coupled to the horizontal frame member of the base.
0. 19. The exercise apparatus according to claim 18, wherein the coupling device is pivotally coupled with a pivot axle mounted to a side of the horizontal frame member of the base.
0. 20. The treadmill apparatus according to claim 2, wherein the means for coupling includes, for each of the treadmills, a universal joint disposed between and coupling the respective bar to the arm.
0. 21. The treadmill apparatus according to claim 20, wherein the means for coupling includes, for each of the treadmills:
a member coupled to and extending perpendicularly from the respective bar; and
a pivot rod pivotally coupled to the arm,
wherein the universal joints couple the members to the respective pivot rods.
0. 22. The treadmill apparatus according to claim 21, wherein the means for coupling includes, for each of the treadmills, a rod spanning opposite sides of a respective one of the two ends of the arm, the respective pivot rod pivotally coupled to the rod.
0. 23. The treadmill apparatus according to claim 22, wherein the opposite sides of the arm are parallel and the rods are perpendicular to the sides.
0. 24. The treadmill apparatus according to claim 22, wherein one of the sides of the arm includes the middle portion pivotally supported on the base.
0. 25. The treadmill apparatus according to claim 3, wherein the respective bar of each treadmill is coupled to the respective column by a universal joint.
0. 26. The treadmill apparatus according to claim 3, wherein the ends of the arm each includes opposite sides with the respective rod coupled therebetween.
0. 27. The treadmill apparatus according to claim 4, wherein each of the platforms of the treadmills includes an engagement member, and the means for locking includes a locking member pivotally coupled to the base to move into and out of engagement with the engagement members.
0. 28. The treadmill apparatus according to claim 27, wherein the engagement members extend downwardly from the respective platforms below the respective treads.
0. 29. The treadmill apparatus according to claim 27, wherein the engagement members are disposed on inner sides of the respective platforms.
0. 30. The treadmill apparatus according to claim 27, wherein the base includes a horizontal frame member extending parallel to the shaft, the locking member pivotally supported on the horizontal frame member of the base.
0. 31. The exercise apparatus according to claim 30, wherein the locking member is pivotally coupled to a top of the horizontal frame member of the base.
0. 32. The treadmill apparatus according to claim 5, wherein the means for retaining includes, for each of the treadmills, at least one stop connected to the respective platform and extending downwardly so as to be configured to engage a portion of the respective tread beneath the respective platform.
0. 33. The exercise apparatus according to claim 32, wherein the stops are connected to outer sides of the respective platforms.
0. 34. The exercise apparatus according to claim 32, wherein the at least one stop connected to the respective platform comprises a plurality of stops disposed longitudinally along the respective platform.
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The present application is a broadening reissue application of and claiming priority to U.S. Pat. No. 6,461,279 titled “Treadmill Having Dual Treads For Stepping Exercises” issued on Oct. 8, 2002, application Ser. No. 09/912,664, filed Jul. 25, 2001, which is hereby incorporated by reference herein.
1. Field of the Invention
The present invention relates to a treadmill apparatus, and more particularly to a treadmill apparatus having dual treads for conducting both jogging and stepping exercises.
2. Description of the Prior Art
U.S. Pat. No. 5,336,146 to Piaget et al. discloses one of the typical treadmills including dual treads that may be alternatively pivot up and down as a user walks thereon. However, Piaget et al. fail to disclose a coupling device for coupling the two treads together, due to the continuous treads.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional treadmills.
The primary objective of the present invention is to provide a treadmill apparatus including dual treads for conducting both jogging and stepping exercises.
In accordance with one aspect of the invention, there is provided a treadmill apparatus comprising a base including a first end, and including a second end having a shaft provided thereon, a pair of treadmills disposed above the base, and each including a platform having a roller provided on a first end thereof and attached to the shaft, and each including a tread supported around the platform, means for driving the shaft to actuate the treads, an arm including a middle portion pivotally supported on the base with a pivot axle, and including two ends located below the treadmills respectively, and means for coupling the ends of the arm to the treadmills to elevate a first of the treadmills when a second of the treadmills is lowered, and to elevate the second treadmill when the first treadmill is lowered. The treadmills may thus be moved up and down relative to each other by the arm, and may thus be actuated as a stepping exerciser.
The treadmills each includes a bar attached to the platform thereof and extended downward from the platform for coupling to the ends of the arm respectively.
The ends of the arm each includes a rod provided therein and perpendicular to the arm, and a column pivotally secured to the respective rod, the treadmills each includes a bar attached to the platform thereof and coupled to the column respectively.
A device may further be provided for locking the treadmills together.
A device is further provided for retaining the treads on the platforms respectively and for preventing the treads from being disengaged from the platforms.
Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.
Referring to the drawings. and initially to
A pair of treadmills 20, 30 are identical in construction, and each preferably includes a rigid treadmill platform 21 having a front end and a rear end, rollers 22 rotatably mounted at each of the front end and the rear end of the platform 21, and a continuous tread 23 extended around the platform 21 and rotatably supported on or around the rollers 22. The rollers 22 may be secured on the shaft 13, such that the rollers 22 and thus the treads 23 may be rotated or driven by the motor 15, and such that the treadmills 20 pivotally mounted on the base 10 in side-by-side adjacent relation by the shaft 13. The rollers 22 may also be separately coupled or secured on the shaft 13 by gearing transmission or the like, for allowing the treads 23 of the two treadmills 20 to be driven separately by the motor 15. Two spring-return hydraulic cylinders or actuators 17 are coupled between the posts 11 and the treadmills 20 respectively for supporting the treadmills 20, such as the front ends of the treadmills 20 in an inclined position. The actuators 17, and/or the construction of the treadmills 20 is considered to be conventional in the art, and therefore no further description is thought to be necessary.
As shown in
Two columns 47 have the lower portions pivotally or rotatably secured onto the respective rods 43 with such as a universal joint or the like. The treadmills 20 each includes a bar 24 secured to the middle portion of the platform 21 thereof and extended downward therefrom and having a lower end pivotally or rotatably secured to the upper end of the column 47 with a rod 27 and a joint 28, such as a universal joint or the like. The treadmills 20 thus may be coupled to the ends of the arm 40 with the bars 24, the rods 27, the joints 28, the columns 47, the pivot rods 43, and the frames 42.
In operation, as shown in
Referring next to
Referring next to
Referring next to
Accordingly, the treadmill apparatus in accordance with the present invention includes dual treads for conducting both jogging and stepping exercises.
Although this invention has been described with a certain degree of particularity, it is to be understood that the present disclosure has been made by way of example only and that numerous changes in the detailed construction and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as hereinafter claimed.
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