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Today’s Patent – Large-Stroke Air Flotation Type Nano-Positioning Platform

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Today’s Patent – Large-Stroke Air Flotation Type Nano-Positioning Platform

The said invention (US12098749B1) was invented by Minjie Lu, Xiaoli Han, and patented by USPTO on October 13th, 2023. Currently, it stands assigned to the Wuxi Xivi Science and Technology Co Ltd.

Large-Stroke Air Flotation Type Nano-Positioning Platform

The air flotation type nano-positioning platform comprises a base platform, a linear motor, an air flotation platform, a bearing platform, and a plurality of shock absorption assemblies. The linear motor drives the air flotation platform to slide on the bearing platform. The shock absorption assembly is embedded in the base platform and arranged at intervals below the bearing platform to weaken the vibration transmission of the base platform to the bearing platform, thereby ensuring the positioning accuracy of the air flotation platform.

The shock absorption assembly comprises a bottom plate, shock absorption columns, a piston, a cavity, a sliding rod, an assembly joint, a top plate, and a shock absorption spring. When the base platform vibrates, the shock absorption column on the bottom plate is driven to move relative to the piston, the piston squeezes the cavity to consume the vibration and reduce the vibration transmission. The assembly joint comprises an assembly frame, groove bodies, a roller, an assembly cover, and a top plate. The vibration generated by the operation of the linear motor and the ground vibration are transmitted to the base platform. The bearing platform drives the assembly cover to move on the assembly frame and be in contact with each roller, so that a rolling friction is generated between the roller and the assembly cover and the shaking is consumed the transmission of vibration energy to the bearing platform is consumed.

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    Today's Patent
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    NIDHI KHETAN

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