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:
Oct. 11, 2016
Filed:
Aug. 03, 2011
Applicants:
Nam Young Kim, Seoul, KR;
Sung Jun Ju, Incheon, KR;
Hyon JO Ji, Seoul, KR;
Inventors:
Assignee:
COREEELEVATOR CO., LTD., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 9/02 (2006.01); B66B 11/00 (2006.01); B66B 11/04 (2006.01); B66B 9/00 (2006.01); F16H 25/12 (2006.01);
U.S. Cl.
CPC ...
B66B 9/025 (2013.01); B66B 9/003 (2013.01); B66B 11/005 (2013.01); B66B 11/0446 (2013.01); F16H 25/122 (2013.01); Y10T 74/18792 (2015.01);
Abstract
An elevator moving along an elevator shaft in a building, comprises a car for transport, a worm driving part moving together with the car, a rotating axis of which is parallel to a moving path of the car, and a worm support part including supporting teeth installed in the elevator shaft along the moving path of the car in accordance with worm teeth of the worm driving part. Using the worm driving part and the worm support part mutually interacting, the elevator can go up and down, and the worm driving part and the worm support part keep low frictional resistance to improve an efficiency of lifting.