Self propelled device with magnetic coupling
US-2016349748-A1 · Dec 1, 2016 · US
US11484811B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11484811-B2 |
| Application number | US-202017037383-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 29, 2020 |
| Priority date | Sep 29, 2020 |
| Publication date | Nov 1, 2022 |
| Grant date | Nov 1, 2022 |
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A fidget accessory which includes a plurality of stones that geometrically cooperate with a bowl. The bowl includes a bowl base on which the plurality of stones are configured to be arranged in a base orientation. The bowl includes a bowl lip circumferentially surrounding a top edge of the bowl, and a bowl ramp extending between the bowl lip and the bowl base. One or more magnets in the bowl base have a polarity opposite to corresponding magnets in the plurality of stones such that the plurality of stone are magnetically engaged with the bowl.
Opening claim text (preview).
What is claimed is: 1. A fidget accessory comprising: a plurality of stones, wherein each stone comprises: a stone lid; a stone body; and at least one stone magnet disposed inside the stone body of a respective one of the plurality of stones; a bowl that comprises: a bowl base disposed at a bottom of the bowl, and on which the plurality of stones are configured to be arranged in a base orientation; a bowl lip circumferentially surrounding a top edge of the bowl; a bowl ramp extending between the bowl lip and the bowl base; a leash portion, wherein the leash portion comprises a leash collar disposed on an inside surface of a leash wrap, and wherein the leash collar is configured to engage with a channel circumferentially surrounding the bowl; and one or more bowl magnets contained in the bowl base having a polarity opposite to corresponding ones of the stone magnets at least when the plurality of stones are arranged in the base orientation, wherein the one or more bowl magnets are configured to magnetically interact with said stone magnets, wherein the stone lids have a curvature that complements a curvature of the stone bodies and facilitates vertical stacking of the plurality of stones in an engaging manner. 2. The fidget accessory of claim 1 , wherein the leash collar is configured to engage with the channel by way of a snap-fit. 3. The fidget accessory of claim 1 , wherein the stone lid of each of the plurality of stones comprises a concave shape and the stone body of each of the plurality of stones comprises a convex curvature. 4. The fidget accessory of claim 3 , wherein the concave shape of the stone lids is complementary to the convex curvature of the stone bodies. 5. The fidget accessory of claim 1 , wherein the bowl lip is formed as an inwardly protruding perimeter disposed around a top edge of the bowl ramp. 6. The fidget accessory of claim 1 , wherein the bowl ramp is defined by a curved region extending between the bowl lip and the bowl base. 7. The fidget accessory of claim 6 , wherein the curved region of the bowl ramp comprises a concave profile that is configured to cooperate with a shape of the stone to facilitate movement of the plurality of stones along the bowl ramp. 8. The fidget accessory of claim 1 , wherein the plurality of stones includes a first stone and a second stone disposed side by side adjacent to each other in the bowl. 9. A fidget accessory comprising: first and second stones, wherein each of the first and second stones comprises a stone lid, a stone body, and first and second stone magnets disposed inside the first and second stones respectively; a bowl that comprises a bowl base disposed at a bottom of the bowl, and on which the first and second stones are configured to be arranged side by side adjacent to each other in a base orientation; and a leash portion, wherein the leash portion comprises a leash collar disposed on an inner surface of a leash wrap, and wherein the leash collar is configured to engage with a channel circumferentially surrounding the bowl, wherein the bowl comprises a bowl magnet contained in the bowl base and has a polarity opposite to that of the first and second stone magnets, wherein the bowl magnet is configured to magnetically interact with the first and second stone magnets, wherein the bowl, and the first and second stones have complementary geometries that facilitate vertical stacking in an engaging manner and magnetic interactions therebetween, which cause the first stone to dislodge from the base orientation and move towards the second stone upon application of an external user force to the first stone in an upward direction, and which further causes the second stone to remain magnetically engaged with the bowl, and the first stone to magnetically engage with the second stone upon application of the external user force such that the first stone is vertically stacked on top of the second stone. 10. The fidget accessory of claim 9 , wherein the leash collar is configured to engage the channel by way of a snap-fit arrangement. 11. The fidget accessory of claim 9 , wherein each stone lid comprises a concave shape and the stone body of each stone comprises a convex curvature. 12. The fidget accessory of claim 9 , wherein a bowl lip is formed as an inwardly protruding perimeter disposed around a top edge of a bowl ramp. 13. The fidget accessory of claim 12 , wherein the bowl ramp is defined by a curved region extending between the bowl lip and the bowl base.
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