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Exercise equipment with convergent hand gripsRelated Patent Categories: Exercise Devices, Involving User Translation Or Physical Simulation Thereof, Stair ClimbingExercise equipment with convergent hand grips description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060293153, Exercise equipment with convergent hand grips. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application claims the benefit of U.S. Provisional Application No. 60/694,723, filed Jun. 28, 2005. FIELD OF INVENTION [0002] This invention relates to exercise equipment, more specifically to stationary cardiovascular exercise equipment, and most specifically to stationary cardiovascular exercise equipment with arm links movable along a reciprocating or closed loop path. BACKGROUND [0003] Stationary exercise equipment designed to work the upper-body typically includes pivoting arm links attached to a workload. Such stationary exercise equipment includes both weight training equipment and cardiovascular equipment. [0004] Pivoting arm links on conventional stationary exercise equipment are sometimes configured to travel concurrently (e.g., a bench press station or a rowing machine) and sometimes configured to travel counter currently (e.g., elliptical exercise machines, ski simulation machines, stationary bicycles, etc.), but are always configured to travel along paths which are parallel to one another and parallel to the path traveled by any associated foot support links. Such parallel arm motion, while generally effective for providing the desired weight lifting or cardiovascular exercise, can feel clumsy and awkward to the user causing some users to reduce or even discontinue use of the exercise machine. [0005] Accordingly, a need exists for stationary cardiovascular exercise equipment which provides a more natural movement of the arms when exercising the upper-body. SUMMARY OF THE INVENTION [0006] A first embodiment of the claimed invention is an exercise machine comprising a frame, a first hand grip, and a second hand grip. The first and second hand grips are each operably associated with the frame for traveling along converging first and second hand paths respectively. [0007] A second embodiment of the claimed invention is an exercise machine comprising a frame, a first foot support, a second foot support, a right hand grip, and a left hand grip. The frame defines a primary transverse axis. The first and second foot supports are each operably associated with the frame for traveling along a foot path configured orthogonally relative to the primary transverse axis. The right and left hand grips are each operably associated with a foot support for traveling along converging hand paths when the foot supports travel along the foot paths, wherein each hand path is angled relative to each foot path. BRIEF DESCRIPTION OF THE DRAWINGS [0008] FIG. 1 is a side view of one embodiment of the invention deployed on an elliptical exercise machine. [0009] FIG. 2 is a top view of the arm link portion of the invention shown in FIG. 1. [0010] FIG. 3 is a perspective view of one of the arm link connection brackets on the invention shown in FIG. 1. [0011] FIG. 4 is a cross-sectional view of the arm link connection bracket shown in FIG. 3 taken along line 4-4. [0012] FIG. 5 is a right side view of a second embodiment of the invention deployed on an elliptical exercise machine with elements of the frame removed to facilitate viewing of other components of the invention. [0013] FIG. 6 is a left side view of the invention shown in FIG. 5. [0014] FIG. 7 is an enlarged left side view of the front end portion of the invention shown in FIG. 6 with the foot link and elements of the frame removed to facilitate viewing of other components of the invention. [0015] FIG. 8 is a top view of the arm link connection subassembly shown in FIGS. 5-7 viewed along line 8-8. [0016] FIG. 9 is a perspective view of the arm link connection subassembly shown in FIG. 8. [0017] FIG. 10 is an exploded perspective view of the arm link connection subassembly shown in FIG. 9. DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT Nomenclature [0018] 10 Exercise Machine [0019] 20 Frame [0020] 21 Cross Beam [0021] 22 First Mounting Bracket [0022] 30 Drive Shaft [0023] 40 Crank Arm [0024] 50 Foot Link [0025] 56 Foot Support [0026] 60 Roller on Foot Link [0027] 70 Rocker Arm [0028] 80 Connector Link [0029] 90 Guide Rail [0030] 100 Arm Link [0031] 100a First End of Arm Link [0032] 100b Second End of Arm Link [0033] 110 Intermediate Link [0034] 110a First End of Intermediate Link [0035] 110b Second End of Intermediate Link [0036] 120 Coupling Link [0037] 120a First End of Coupling Link [0038] 120b Second End of Coupling Link [0039] 130 Hand Grips [0040] 130r Right Hand Grip [0041] 130s Left Hand Grip [0042] 131p Path Traveled by the Right Hand Grip [0043] 132p Path Traveled by the Left Hand Grip [0044] 200 Bracket Connecting Arm Link to Frame [0045] 210 Primary Shaft [0046] 210a First End of Primary Shaft [0047] 210b Second End of Primary Shaft [0048] 220 Primary Bearing [0049] 230 Secondary Shaft [0050] 230a First End of Secondary Shaft [0051] 230b Second End of Secondary Shaft [0052] 240 U-Joint [0053] 250 Housing [0054] 260 Fitting [0055] 270 Bearing Unit [0056] 300 Axle [0057] 310 Turnbuckle [0058] 310a First End of Turnbuckle [0059] 310b Second End of Turnbuckle [0060] 320 Bent Crank [0061] 320a First End of Bent Crank [0062] 320b Second End of Bent Crank [0063] 330 Bearing Housing [0064] 340 Flanged Bearing [0065] 350 Arm Axle [0066] 320a First End of Arm Axle [0067] 320b Second End of Arm Axle [0068] 351 Mounting Plate on Arm Axle [0069] 352 Post on Arm Axle [0070] 360 Arm Mounting Bracket [0071] p.sub.1 First End Foot Link Pivot Point [0072] p.sub.2 Second End Foot Link Pivot Point [0073] p.sub.3 Rocker Pivot Point [0074] p.sub.4 Crank Pivot Point [0075] p.sub.5 First End Intermediate Link Pivot Point [0076] p.sub.6 Second End Intermediate Link Pivot Point [0077] p.sub.7 Arm Link Pivot Point [0078] p.sub.8 Coupling Link Pivot Point [0079] p.sub.9 First Turnbuckle Pivot Point [0080] p.sub.10 Second Turnbuckle Pivot Point [0081] w Angled Axis [0082] x Lateral Axis [0083] y Longitudinal Axis [0084] y.sub.1 Forward Longitudinal Direction [0085] z Transverse Axis [0086] z1 Primary Transverse Axis [0087] z2 Secondary Transverse Axis [0088] r Right Hand Grip Axis of Rotation [0089] s Left Hand Grip Axis of Rotation [0090] .alpha. 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