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US 12,049,394 B2Granted
Multi-step height adjuster
AssigneeSamhongsa Co., Ltd.
InventorsWon Jun Yoo, Wan Soo Kim
Life of this patent
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Abstract
According to an aspect of the present disclosure, a multi-step height adjuster includes a base tube portion including a first base tube and a second base tube vertically reciprocating inside the first base tube; a spindle portion including a first spindle installed inside the first base tube to vertically reciprocate and a second spindle installed inside the second base tube to vertically reciprocate; and an adjustment portion installed in the spindle portion to transmit power to the spindle portion, wherein the first spindle and the second base tube are integrally moved.
Claims13
A multi-step height adjuster comprising:
- a base tube portion including a first base tube and a second base tube vertically reciprocating inside the first base tube;
- a spindle portion including a first spindle installed inside the first base tube to vertically reciprocate and a second spindle installed inside the second base tube to vertically reciprocate;
- an opening/closing pin system coupled to the first spindle and the second spindle;
- a controller system configured to actuate the opening/closing pin system to control movement of the first spindle and the second spindle;
- and
- an adjustment portion installed in the spindle portion to transmit power to the spindle portion,
- wherein the first spindle and the second base tube are integrally moved.
4 more elements
Dependencies are inferred from the claim text.