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:
Mar. 19, 2019
Filed:
Oct. 08, 2013
Fuji Corporation, Chiryu, JP;
Toshifumi Suzuki, Toyota, JP;
Osamu Nagai, Nagoya, JP;
FUJI CORPORATION, Chiryu, JP;
Abstract
A work seating detection device including a detection hole formed to discharge air from a work seating face of a chuck, a detection flow path connecting an air supply source supplying compressed air and the detection hole, a pressure switch detecting a secondary-side pressure of a throttle portion formed in the detection flow path, and a pressure regulator adjusting the secondary-side pressure is provided. An adjustment flow path branching on a secondary side of the throttle portion is formed in the detection flow path, an on-off valve is disposed at the adjustment flow path, an adjustment block provided with an adjustment face pressing an adjustment gauge is integrally formed in a tip portion, and an adjustment hole having the same size as the detection hole and communicating with the adjustment flow path is formed in the adjustment block for an opening portion to be positioned in the adjustment face.