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. 04, 2022
Filed:
May. 31, 2018
Pascal Engineering Corporation, Itami, JP;
Takuya Takahashi, Itami, JP;
PASCAL ENGINEERING CORPORATION, Hyogo, JP;
Abstract
A locking mechanism () of the robot arm coupling device () includes: a concave engagement portion () on the master plate (); convex engagement portion () on the tool plate () for inserting into the concave engagement portion (); a plurality of steel balls () installed at an external circumferential wall portion () of the concave engagement portion (), and are capable of being changed over between locking positions and unlocking positions; and an annular fluid pressure cylinder () capable of changing over the positions of the plurality of steel balls (); and a space is defined more radially inward than the plurality of steel balls () and the fluid pressure cylinder ().