The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2024
Filed:
Aug. 30, 2019
Applicant:
Samhongsa Co., Ltd., Seoul, KR;
Inventors:
Won Jun Yoo, Paju-si, KR;
Wan Soo Kim, Bucheon-si, KR;
Assignee:
Samhongsa Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66F 3/28 (2006.01); A47B 9/04 (2006.01); A47B 9/10 (2006.01); A47B 21/02 (2006.01); A47C 3/24 (2006.01); A47C 3/30 (2006.01); B66F 3/24 (2006.01); F16F 9/02 (2006.01); F16F 9/32 (2006.01);
U.S. Cl.
CPC ...
B66F 3/28 (2013.01); A47B 9/04 (2013.01); A47B 9/10 (2013.01); A47B 21/02 (2013.01); A47C 3/24 (2013.01); A47C 3/30 (2013.01); B66F 3/247 (2013.01); F16F 9/0209 (2013.01); F16F 9/3257 (2013.01);
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.