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  Arch fitness deviceRelated Patent Categories: Exercise Devices, Support For Entire Body Of User (e.g., Bench, Slant Board, Etc.)The Patent Description & Claims data below is from USPTO Patent Application 20070135282. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims priority to U.S. Provisional Patent Application No. 60/737,241, filed on Nov. 15, 2005, the content of which is herein incorporated by reference in its entirety. BACKGROUND OF THE INVENTION [0002] 1. Technical Field [0003] The present invention relates to fitness equipment, and more particularly to an arch device. [0004] 2. Discussion of Related Art [0005] Various pieces of fitness equipment have been designed for the purpose of isolating and exercising the abdominal muscles of the human body. These devices tend to work the abdominal muscles well, but are not able to train other areas of the body. [0006] Therefore, a need exists for a device that isolates and exercises the abdominal muscles while being adaptable to other muscle groups. SUMMARY OF THE INVENTION [0007] A frame includes first adjacent sides and second adjacent sides. The length and width of the frame are adapted to support the human body lying on ones back with feet planted within the frame. An arch of the second adjacent sides extends a predetermined distance from the first adjacent sides to a middle portion of the arch. Within the frame, a substantially rigid trampoline formed of a high strength material is disposed under tension between the adjacent sides of the frame. BRIEF DESCRIPTION OF THE DRAWINGS [0008] Preferred embodiments of the present invention will be described below in more detail, with reference to the accompanying drawings: [0009] FIG. 1A is a top view of an arch device according to an exemplary embodiment of the present disclosure; [0010] FIG. 1B is a side view of an arch device according to an exemplary embodiment of the present disclosure; [0011] FIG. 2A is a cross-sectional view of a rigid trampoline according to an embodiment of the present disclosure; [0012] FIG. 2B is a cross-sectional view of a trampoline according to an embodiment of the present disclosure; [0013] FIG. 3 is a planar view of an arch device according to an exemplary embodiment of the present disclosure; and [0014] FIG. 3B is a side view of a hinge and pin mechanism of the arch device of FIG. 3A according to an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS [0015] The abdominal muscles include the Rectus Abdominus, Obliques (external and internal) and Transverse Abdominus. The Rectus Abdominus flex the spine, bringing the rib cage towards the pelvis. The Transverse Abdominus is used for trunk stability. Obliques rotate the torso and stabilize the abdomen. According to an exemplary embodiment of the present invention, an arch device for exercising the abdominal muscles includes a frame having four sides, wherein adjacent sides have unequal lengths. Longer adjacent sides are curved outward, perpendicular to a plane of the four sides. [0016] Referring to FIG. 1, a frame 100 includes first adjacent sides 101 and 102 have a width of about two to three feet. The second adjacent sides 103 and 104 have a length of about four and one half to five feet. The length and width of the frame are adapted to support the human body lying on ones back with feet planted within the frame. The curve of the second adjacent sides extends a distance D1 of approximately two feet from the first adjacent sides 101-102 to a middle portion of the arch 105. [0017] Within the frame, a substantially rigid trampoline 106 formed of a high strength material is disposed under tension between the adjacent sides 101-104 of the frame 100. The rigid trampoline 106 may be formed of a plastic thermoform shell, for example, by vacuum, pressure, or direct mechanical force. The rigid trampoline 106 may be formed of other materials, including nylon fiber, etc. The rigid trampoline 106 is connected to the frame 100. The frame 100 may be formed of, for example, steel (e.g., powder coated steel tube), carbon-fiber composite material, etc. [0018] According to an exemplary embodiment of the present disclosure, a length of the frame is 52 and 3/4'', a height (D1 in FIG. 1B) is 11 and 3/4'', a width of the second adjacent sides 101 and 102 is 17 and 1/2'', and an outer width at a middle portion (D2 in FIG. 1A) is 13''. One skilled in the art will understand that other dimensions may be used, for example, the middle width may be the same or greater than the outer width. For example, the substantially rectangular shape may be formed such that two or more of the sides are concave to achieve an hourglass shape or a dog-bone shape. Similarly, the sides may be formed having a convex shape in a horizontal plane of the frame, e.g., a view substantially perpendicular to the arch illustrated in FIG. 1B, the horizontal plane being shown in FIGS. 2A and 3A. [0019] According to an exemplary embodiment of the present disclosure, the frame may be formed of outer 1'' tubes, e.g., national standard black pipe schedule 40, having an outside diameter of 1.050'', an inside diameter of 0.824'', and a 0.113'' wall thickness. Cross bars may be 3/4'' seamless cold rolled tubing having a 0.750'' outside diameter, a 0.500'' inside diameter, and a 0.125'' wall thickness. Continue reading... Full patent description for Arch fitness device Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Arch fitness device patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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