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:
Feb. 19, 2013
Filed:
Apr. 11, 2008
Hiromitsu Funatsuki, Yokohama, JP;
Hidekazu Tomaru, Yokohama, JP;
Susumu Sakamoto, Hiroshima, JP;
Toshiki Okuda, Hiroshima, JP;
Hiromitsu Funatsuki, Yokohama, JP;
Hidekazu Tomaru, Yokohama, JP;
Susumu Sakamoto, Hiroshima, JP;
Toshiki Okuda, Hiroshima, JP;
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Abstract
A stripper device for can drawing and ironing apparatus can remove a drawn and ironed can material from a punch without causing buckling (curl and wrinkle) on the material. Each finger () is split into three small fingers (), and an axial end of each small finger () is engaged with the lower part of a rocking arm () with an elastic member () in between. A head portion () of each rocking arm () is engaged with a cam portion () of a cam ring () to allow the finger () to be driven independently each other. Each rocking arm () is biased by an arm spring () in the direction of opening the small finger (), while the small finger () is biased by a finger spring () in the direction of its closure.