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. 22, 2024
Filed:
Dec. 14, 2021
Daihen Corporation, Osaka, JP;
Daisuke Sado, Osaka, JP;
DAIHEN Corporation, Osaka, JP;
Abstract
A workpiece transfer hand includes a support plate and a suction unit on the upper surface of the plate. The upper surface of the plate has a recess whose bottom is formed with first and second pressure ports. The suction unit includes an elevator, elastic member, and first/second cylindrical members. The elevator, vertically movable in the recess along a stroke, has a vertical suction hole. The elastic member biases the elevator upward or downward. The first cylindrical member expands and contracts vertically, with its upper end connected to the elevator to surround the suction hole and its lower end connected to the bottom of the recess to surround the first pressure port. The second cylindrical member expands and contracts vertically, with its upper end connected to the elevator and its lower end connected to the bottom of the recess to surround the second pressure port.