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US 10,870,237 B2Granted
Powder supply device for use with powder spreaders
AssigneeTongtai Machine & Tool Co., Ltd.
InventorsHuaien Kao, Hsinpao Chen, Juihsiung Yen
Life of this patent
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Abstract
A powder supply device (100) for use with powder spreaders, comprising: a fixation base (2), a powder storage unit (3), a powder supply unit (4) and a driving unit (5), wherein the powder supply unit (4) is provided with at least one stirring bar (41) and a powder spreading roller (42); using a design of a stirring bar and the powder spreading roller, powder may be stirred and extruded such that the powder becomes finer, more uniform, and does not cake during powder spreading.
Claims7
A powder supply device of a powder spreading apparatus, comprising:
- a holder;
- a powder storage unit including a barrel disposed on the holder and configured to store powder, and an outlet formed on a lower edge of the barrel and configured to output the powder;
- a powder supply unit including at least one stir bar pivoted on the holder and located below the outlet, and a powder roller pivoted on the holder and located below the stir bar;
- and
- a driving unit including a motor and a linkage assembly, wherein the motor is configured to drive the linkage assembly to rotate the stir bar and the powder roller, wherein the linkage assembly includes a ratchet, a reducer, a plurality of wheels, and at least one belt, the ratchet is disposed on the holder and configured to drive the powder roller rotating, the reducer is configured to drive the stir bar and the powder roller rotating, so that a number of rotations of the powder roller is less than a number of rotations of the stir bar, and the wheels are mounted on the stir bar, the powder roller, and the motor, respectively, and the belt is disposed on the wheels.
2 more elements
Dependencies are inferred from the claim text.