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:
Feb. 28, 2023
Filed:
Apr. 26, 2019
Semes Co., Ltd., Cheonan-si, KR;
Seung Keun Jun, Anyang-si, KR;
Jun Sang Ahn, Yongin-si, KR;
Sang Min Lee, Daegu, KR;
Eun Sang Yoon, Suwon-si, KR;
SEMES CO., LTD, Cheonan-si, KR;
Abstract
A tower lift includes a main frame extending in a vertical direction, a carriage module configured to be movable in the vertical direction along the main frame, a weight module disposed behind the carriage module and configured to be movable in the vertical direction along the main frame, a driving module disposed on the main frame and configured to move the carriage module and the weight module in the vertical direction using at least one timing belt, an auto tensioner disposed on a lower portion of the main frame and connected with the carriage module and the weight module by a balance belt, and an upper alignment unit for aligning a horizontal position of the at least one timing belt.