Tire brake
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United States of America Patent
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Aug 1, 2023
Grant Date -
Nov 25, 2021
app pub date -
Jun 30, 2020
filing date -
May 20, 2020
priority date (Note) -
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Abstract
A tire brake comprising: a central shaft, a groove is formed in the middle of the surface of the central shaft, a hexagonal rotating block is embedded and arranged in the groove, and half screw rods are embedded both above and below the hexagonal rotating block through screw rod seats, one top end of the upper half screw rod is provided with an upper bearing bracket, one bottom end of the lower half screw rod is provided with a lower bearing bracket; the invention is scientific and reasonable, safe and convenient to use, in operation, the hexagonal rotating block can be directly rotated, and the hexagonal rotating block can be used to drive the half screw rod to rotate, thereby the screw rod seats driving the half screw rods to move up and down.
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