An adjustable weight kettlebell includes a weight lifting member that rests on top of a vertical stack of weights. A weight selector is rotatable into and out of underlying engagement of the weight plates to secure a desired amount of mass to the weight lifting member.
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1. An exercise kettlebell, comprising: a handle portion having a first end, an opposite, second end, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda base portion rigidly sec
1. An exercise kettlebell, comprising: a handle portion having a first end, an opposite, second end, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda base portion rigidly secured to each said end of the handle portion, wherein the base portion has a lowermost edge that is configured to rest in a stable position on a floor surface with the intermediate portion of the handle portion disposed a vertical distance above the base portion, and the base portion is configured to define an outer circumferential sidewall having a majority portion that is outwardly convex, and a minority portion that is outwardly concave, and the minority portion is bounded by downwardly diverging left and right edges that extend to respective left and right lower ends at the lowermost edge of the base portion, wherein the base portion is symmetrical relative to a vertical plane of symmetry that extends through the minority portion and perpendicularly through a cross-section of the intermediate portion of the handle portion. 2. The exercise kettlebell of claim 1, wherein the left and right downwardly diverging edges have respective left and right upper ends that curve into alignment with one another and join one another. 3. The exercise kettlebell of claim 1, wherein the sidewall is bounded by a relatively larger closed curved loop proximate the lowermost edge of the base portion, and a relatively smaller closed curved loop at a higher section of the base portion. 4. The exercise kettlebell of claim 1, wherein each said portion of the kettlebell is immovably connected to every other said portion of the kettlebell, thereby defining a fixed unitary shape. 5. An exercise kettlebell, comprising: a handle portion having a first end, an opposite, second end, and in intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda base portion rigidly secured to each said end of the handle portion, wherein the base portion has a lowermost edge that is configured to rest in a stable position on a floor surface with the intermediate portion of the handle portion disposed a vertical distance above the base portion, and the base portion is configured to define an outer convex circumferential sidewall having a primary outer surface that is interrupted along a parabolic-shaped juncture by a concave recessed surface, and an uppermost portion of the concave recessed surface is equal distance from each said end of the handle portion, wherein the concave recessed surface is bounded by downwardly diverging left and right edges that extend to the lowermost edge of the base portion, wherein the base portion is symmetrical relative to a vertical plane of symmetry that extends through the concave recessed surface, and wherein the concave recessed surface is sized and configured to accommodate at least a portion of a person's forearm when the intermediate portion of the handle portion is grasped in a person's accompanying hand. 6. The exercise kettlebell of claim 5, wherein a first said concave recessed surface is defined in a first portion of the sidewall, and a second said concave recessed surface is defined in a diametrically opposed, second portion of the sidewall. 7. The exercise kettlebell of claim 5, wherein the recessed surface is relatively deeper nearer the lowermost edge of the base portion, and relatively shallower at a higher section of the base portion. 8. The exercise kettlebell of claim 5, wherein the primary outer surface is an upwardly converging domed surface that is relatively larger in curvature at the lowermost edge of the base portion, and relatively smaller in curvature at a higher section of the base portion. 9. The exercise kettlebell of claim 5, wherein each said portion of the kettlebell is immovably connected to every other said portion of the kettlebell, thereby defining a fixed unitary shape. 10. An exercise kettlebell, comprising: a handle portion having a first end, and an opposite second ends, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda dome-shaped base portion, wherein the first end and of the handle is rigidly secured to a first portion of the base portion, and the second end of the handle is rigidly secured to a diametrically opposite, second portion of the base portion, and the base portion has a lowermost portion that is configured to rest in a stable position on a floor surface with the intermediate portion of the handle portion disposed a vertical distance directly above the base portion, and the base portion relatively larger in closed curve circumference proximate the floor surface, and the base portion relatively smaller in closed curved circumference at a higher elevation above the floor surface, wherein the base portion is bounded by a circumferential sidewall having a majority portion that is outwardly convex, and a minority portion that is outwardly concave, and an uppermost portion of the minority portion is disposed an equal distance from each said end of the handle, wherein the minority portion is bounded by respective left and right upwardly converging edges having respective left and right lower ends that extend to the lowermost edge of the base portion, wherein the base portion is symmetrical relative to a vertical plane of symmetry that extends through the minority portion. 11. The exercise kettlebell of claim 10, wherein the base portion is bounded by a discrete top surface apart from the circumferential sidewall and disposed said distance beneath the intermediate portion of the handle portion, and the left and right upwardly converging edges have respective left and right upper ends that curve into alignment with one another and join one another beneath the discrete top surface. 12. The exercise kettlebell of claim 10, wherein the minority portion is relatively deeper proximate the lowermost portion of the base portion, and relatively shallower at a higher portion of the base portion. 13. The exercise kettlebell of claim 10, wherein the circumferential sidewall has another minority portion, and an uppermost portion of the another minority portion is disposed an equal distance from each said end of the handle, and each said minority portion occupies a respective, diametrically opposed portion of the base portion. 14. The exercise kettlebell of claim 10, wherein ballast weight is affixed to the base portion, and thereby constrained to move together with the base portion during use of the kettlebell. 15. The exercise kettlebell of claim 10, wherein the base portion defines a downwardly opening compartment, and further comprising at least one weight releasably secured to the base portion inside the downwardly opening compartment for movement together with the base portion during use of the kettlebell. 16. The exercise kettlebell of claim 10, wherein the base portion is bounded at least in part by a closed loop exterior surface that curves 360 degrees around a vertical axis that intersects the intermediate portion of the handle portion. 17. The exercise kettlebell of claim 10, wherein the base portion has an uppermost portion, and the intermediate portion of the handle portion is disposed above said uppermost portion. 18. A hand-held exercise device, comprising: a handle portion having a first end, an opposite, second end, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand;a dome-shaped shell, wherein a first end of the handle portion is rigidly secured to a first portion of the shell, and the second end of the handle portion is rigidly secured to a diametrically opposed, second portion of the shell, and a lowermost edge of the shell is configured to rest in a stable position on a floor surface with the shell opening downward toward the floor surface, and the intermediate portion of the handle portion disposed a vertical distance above the shell to at least accommodate a person's fingers wrapped about the intermediate portion of the handle portion, and the shell is relatively larger in circumference proximate the floor surface, and relatively smaller in circumference at a higher elevation above the floor surface, wherein the shell defines an outer circumferential sidewall having a majority portion that is outwardly convex, and a minority portion that is outwardly concave, wherein the minority portion is bounded by downwardly diverging edges, and an uppermost portion of the minority portion is disposed equal distance from the first end of the handle and the second end of the handle, wherein the shell is symmetrical relative to a vertical plane of symmetry that extends through the minority portion; anda weight releasably secured inside the shell, wherein the shell shrouds the weight except from below. 19. The hand-held exercise device of claim 18, wherein a weight engaging member has an upper end portion connected to an upper portion of the shell, and an opposite, lower end portion suspended inside the shell, and the weight is releasably mounted on the lower end portion of the weight engaging member. 20. The hand-held exercise device of claim 18, wherein the base portion has an uppermost portion, and the intermediate portion of the handle portion is disposed above said uppermost portion. 21. An exercise kettlebell, comprising: a handle portion having a first end, an opposite, second end, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda base portion configured to occupy an upright orientation relative to a horizontal floor surface with the intermediate portion of the handle portion disposed a vertical distance above the base portion, and a first vertical plane of symmetry extending through the intermediate portion of the handle portion, and a second vertical plane of symmetry extending through the handle portion and perpendicular to the first vertical plane of symmetry, wherein the base portion defines an outer circumferential sidewall having (a) a first outwardly convex sidewall portion disposed on a first side of the first vertical plane of symmetry, (b) a second outwardly convex sidewall portion disposed on an opposite, second side of the first vertical plane of symmetry, (c) a first outwardly concave sidewall portion disposed on a first side of the second vertical plane of symmetry and bisected by the first vertical plane of symmetry, and (d) a second outwardly concave sidewall portion disposed on an opposite, second side of the second vertical plane of symmetry and similarly bisected by the first vertical plane of symmetry, and wherein the first end of the handle portion extends downwardly away from the intermediate portion and is rigidly secured to an outwardly facing convex surface on the first outwardly convex sidewall portion, and the second end of the handle portion extends downwardly away from the intermediate portion and is rigidly secured to an outwardly facing convex surface on the second outwardly convex sidewall portion, and when viewed from above, the base portion defines a planform consisting essentially of (a) diametrically opposed first and second outwardly convex planform portions defined by the first outwardly convex sidewall portion and the second outwardly convex sidewall portion, respectively, and (b) diametrically opposed, first and second outwardly concave planform portions defined by the first outwardly concave sidewall portion and the second outwardly concave sidewall portion, respectively, and wherein each of the outwardly concave planform portions provides clearance for a person's forearm when the intermediate portion of the handle portion is grasped in a person's associated hand. 22. The exercise kettlebell of claim 21, wherein the intermediate portion is disposed entirely above an uppermost point on the outer circumferential sidewall, and as measured perpendicular to the first vertical plane of symmetry, a maximum width of the kettlebell is defined between the opposite first and second ends of the handle portion. 23. An exercise kettlebell, comprising: a handle portion having a first end, an opposite, second end, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda base portion configured to occupy an upright orientation relative to a horizontal floor surface with the intermediate portion of the handle portion disposed a vertical distance above the base portion, wherein the base portion defines an outer circumferential sidewall having (a) an outwardly convex sidewall portion, (b) an outwardly concave sidewall portion, and (c) a juncture defined between the outwardly convex sidewall portion and the outwardly concave sidewall portion, wherein the juncture has opposite, upwardly converging left and right sides that curve into alignment with one another and join one another in a manner that defines an upwardly convex arc, and wherein the first end of the handle portion extends downwardly away from the intermediate portion and is rigidly secured to an outwardly facing convex surface on a first side of the outwardly convex sidewall portion, and the second end of the handle portion extends downwardly away from the intermediate portion and is rigidly secured to an outwardly facing convex surface on an opposite, second side of the outwardly convex sidewall portion, and wherein the base portion is symmetrical relative to a vertical plane of symmetry that bisects both the outwardly concave sidewall portion and the intermediate portion of the handle portion, and when viewed from above, the base portion defines a planform having an outwardly convex planform portion defined by the outwardly convex sidewall portion and an outwardly concave planform portion defined by the outwardly concave sidewall portion, wherein the outwardly concave sidewall portion provides clearance for a person's forearm when the intermediate portion of the handle portion is grasped in a person's associated hand. 24. The exercise kettlebell of claim 23, wherein the intermediate portion is disposed entirely above an uppermost point on the outer circumferential sidewall, and as measured perpendicular to the first vertical plane of symmetry, a maximum width of the kettlebell is defined between the opposite first and second ends of the handle portion. 25. An exercise kettlebell, comprising: a handle portion having a first end, an opposite, second end, and an intermediate portion extending between the first end and the second end, wherein the intermediate portion is sized and configured for grasping in a person's hand; anda base portion rigidly secured to each said end of the handle portion at respective locations beneath the intermediate portion, wherein the base portion is configured to occupy an upright orientation relative to a horizontal floor surface with the intermediate portion of the handle portion disposed a vertical distance above the base portion, and a vertical axis extending through a midpoint of the intermediate portion of the handle portion, and the base portion defines an outer circumferential sidewall surrounding the vertical axis, wherein along a lowermost edge of the sidewall, the sidewall has an outwardly convex portion and an outwardly concave portion, wherein the outwardly concave portion defines a lower edge of an outwardly concave recess in the sidewall, and the outwardly concave recess is also bounded by upwardly converging left and right edges that curve into alignment with one another and join one another in a manner that defines an upwardly convex arc, and wherein the base portion is symmetrical relative to a plane of symmetry that contains the vertical axis and bisects the outwardly concave portion, and the outwardly concave portion accommodates at least a portion of a person's forearm when the intermediate portion of the handle portion is grasped in a person's accompanying hand. 26. The exercise kettlebell of claim 25, wherein a discrete plane of symmetry contains the vertical axis and extends perpendicular to said plane of symmetry, and another outwardly concave sidewall portion is disposed on a side of the discrete plane of symmetry opposite the outwardly concave sidewall portion to alternatively accommodate at least a portion of a person's forearm when the intermediate portion of the handle portion is grasped in a person's accompanying hand. 27. The exercise kettlebell of claim 25, wherein the intermediate portion is disposed entirely above an uppermost point on the outer circumferential sidewall, and as measured perpendicular to the first vertical plane of symmetry, a maximum width of the kettlebell is defined between the opposite first and second ends of the handle portion. 28. The exercise kettlebell of claim 25, wherein the sidewall defines a closed curve comprising diametrically opposed first and second outwardly convex curve segments and diametrically opposed first and second outwardly concave curve segments. 29. An exercise kettlebell, comprising: a weight having a geometric center, a vertical axis extending through the geometric center, and a planform disposed about the vertical axis and consisting essentially of first and second diametrically opposed outwardly convex portions and first and second diametrically opposed outwardly concave portions; anda handle connected to the weight, wherein the handle has an intermediate portion sized and configured to be grasped in a person's hand at a vertical distance above the weight, and opposite first and second end portions that extend downward from the intermediate portion and toward one another and the weight, and the vertical axis extends through the intermediate portion of the handle and a maximum width of the kettlebell is defined between opposite first and second end portions of the handle. 30. The exercise kettlebell of claim 29, wherein the weight is symmetrical relative to first and second perpendicular planes of symmetry that intersect along the vertical axis. 31. The exercise kettlebell of claim 29, wherein the intermediate portion and each of the end portions is sized and configured to be a discrete graspable segment of the handle. 32. An exercise kettlebell, comprising: a handle portion having a first end segment, an opposite, second end segment, and an intermediate segment extending between the first end segment and the second end segment, wherein at least the intermediate segment is sized and configured for grasping in a person's hand; anda base portion rigidly secured to each said end segment at respective locations beneath the intermediate segment, wherein the base portion is configured to occupy an upright orientation relative to a horizontal floor surface with the intermediate segment disposed a vertical distance above an uppermost point on the base portion, and a vertical axis extending through a midpoint of the intermediate segment, and the base portion defines an outwardly facing circumferential sidewall surrounding the vertical axis, wherein proximate a lowermost edge of the sidewall, the sidewall has an outwardly convex portion and an outwardly concave portion, and the outwardly concave portion is bounded by upwardly converging left and right edges that curve into alignment with one another and join one another in a manner that defines an upwardly convex arc, and the base portion is symmetrical relative to a plane of symmetry that contains the vertical axis and bisects the arc. 33. The exercise kettlebell of claim 32, wherein as measured perpendicular to the plane of symmetry, a maximum width of the kettlebell is defined between the opposite first and second end segments of the handle portion. 34. The exercise kettlebell of claim 32, wherein the sidewall that defines a closed curve comprising diametrically opposed first and second outwardly convex curve segments and diametrically opposed first and second outwardly concave curve segments. 35. The exercise kettlebell of claim 32, wherein each said segment is sized and configured to be a discrete graspable segment of the handle portion.
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이 특허에 인용된 특허 (15)
Donahue,Gregory J.; Gormley,Joseph E., Adjustable kettlebell.
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