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:
Apr. 21, 2026

Filed:

Sep. 06, 2024
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Ryuji Sugito, Ota, JP;

Hiroaki Kuwahara, Yokohama, JP;

Takeshi Toyoshima, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 19/00 (2006.01); B25J 9/00 (2006.01);
U.S. Cl.
CPC ...
B25J 19/0004 (2013.01); B25J 9/0048 (2013.01);
Abstract

According to one embodiment, a parallel link mechanism includes a base portion, a movable portion, a braking unit, motors, links, and a switching unit. The movable portion is separated from the base portion in a first direction. The braking unit is provided between the base portion and the movable portion, and includes braking pads. The motors are provided around the braking unit, and each include a drive shaft extending along a direction intersecting the first direction. The links are each coupled between the drive shafts and the movable portion. The switching unit is provided between the base portion and the movable portion. The switching unit is configured to switch, by moving the braking pads, between a contact state in which the braking pads are in contact with the drive shafts and a non-contact state in which the braking pads are separated from the drive shafts.


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