This magnetic building block can build different shapes, and it can improve children’s learning ability and hands-on ability, which is very suitable for children over 3 years old.
Xiaobian found through search that:
Patent situation:
Foreign appearance patents:
At present, the products have registered patents in the United States, Britain, Japan and South Korea.
The patent numbers are: D902321/82035790001000/1645055/301031086 respectively.
Foreign invention patents:
At present, the products have registered patents in the United States, Europe, Japan and South Korea.
Patent numbers are: us10722809b1/ep3689430b 1/jp6759419b 2/kr102136658b1 respectively.
Details of American invention patents are as follows:
The invention relates to a toy building block, which comprises a body, a plate-shaped magnetic body which is located in an accommodating space of the body and has a first surface and a second surface with different polarities, and a guide part. Is arranged in the accommodating space and used for guiding the rotation of the plate-shaped magnetic body.
The invention relates to a building block toy which is convenient to assemble and suitable for various assembling.
Claim:
A toy building block comprises a body, a bottom surface at one side of the body and an accommodating space formed around the bottom surface; A plate-shaped magnetic body is arranged in the accommodating space and comprises a first surface and a second surface with different polarities. The guiding part is arranged in the accommodating space and used for guiding the rotation of the plate-shaped magnetic body, wherein the first surface or the second surface of the plate-shaped magnetic body is located on the base surface. Wherein, the guide part comprises a main guide protruding from the inner surface of the accommodating space in a predetermined direction, and an auxiliary guide protruding from the inner surface of the accommodating space; Wherein the main direction is configured to correspond to the outer shape of the plate-shaped magnetic body when the plate-shaped magnetic body rotates, and the main direction forms an arch shape with respect to the bottom surface.
Patent summary:
1. A toy building block comprising a body, a bottom surface and an accommodating space formed around the bottom surface;
2. There is a plate-shaped magnetic body and a guide part in the accommodation space, the magnetic body is located on the base surface and has different polarities, and the guide part can guide the magnetic body to rotate;
3. When two building blocks attract each other, the main guide will protrude from the inner surface of the accommodation space and form an arch shape relative to the bottom surface.
Note: products that meet the above characteristics have the risk of patent infringement!
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