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:
Sep. 30, 1986
Filed:
Jul. 22, 1985
Mitsuharu Sato, Numazu, JP;
Torao Katabira, Shizuoka, JP;
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Abstract
An attachment is mounted and dismounted onto and from a spindle head or ram of a machine tool having a rotatable spindle by apparatus comprising a collet including a plurality of circumferentially arranged flexible members extending in parallel with the spindle from a surface on which the attachment is to be mounted, and provided with enlarged heads; a clamping rod having an opening facing the surface, a small inner diameter projection formed on the inner surface of the opening, and a large inner diameter portion adapted to receive the heads; a piston-cylinder assembly for reciprocating the clamping rod toward and away from the collet; and a release piston reciprocated in the clamping rod for radially expanding the enlarged heads of the collet.