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:
Jan. 16, 2024

Filed:

Dec. 02, 2021
Applicant:

Nsk Ltd., Tokyo, JP;

Inventors:

Kohei Shirahama, Kanagawa, JP;

Sumio Sugita, Kanagawa, JP;

Satoshi Inagaki, Kanagawa, JP;

Assignee:

NSK LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25J 18/00 (2006.01); B25J 9/00 (2006.01);
U.S. Cl.
CPC ...
B25J 18/00 (2013.01); B25J 9/0045 (2013.01);
Abstract

A robot mechanism is provided with a parallel link including a first output base, a first parallel link mechanism disposed on a first side of the first output base, and a second parallel link mechanism and an end effector disposed on a second side of the first output base. The first parallel link mechanism includes a first driver that generates a linear motion output and a second driver that generates a linear motion output. A tilting link mechanism including a mass body that generates a second moment load in a direction to reduce a first moment load exerted on the first parallel link mechanism by the weight of the second parallel link mechanism and the end effector is connected to the first driver and the second driver.


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