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.

Date of Patent:
Jun. 18, 2024

Filed:

Aug. 07, 2019
Applicants:

Roen Surgical, Inc., Daejeon, KR;

Korea Advanced Institute of Science and Technology, Daejeon, KR;

Inventors:

Dong Soo Kwon, Daejeon, KR;

Chang Kyun Kim, Daejeon, KR;

Byung Sik Cheon, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 9/10 (2006.01); B25J 18/02 (2006.01);
U.S. Cl.
CPC ...
B25J 9/102 (2013.01); B25J 9/1065 (2013.01); B25J 18/02 (2013.01);
Abstract

A positioning arm including a link assembly including a translation link configured to translationally move along a virtual axis passing a remote center of motion (RCM) present at a predetermined position separated from one point and configured to move in at least two directions based on the one point, and a gravity torque compensator configured to provide a compensation torque in a direction opposite to a gravity torque applied to the one point by a self-weight of the link assembly.


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