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:
Jun. 13, 2017
Filed:
May. 25, 2011
Masayuki Doi, Minamiawaji, JP;
Masayuki Doi, Minamiawaji, JP;
BIG DAISHOW A SEIKI CO LTD, Higashiosaka-shi, Osaka, JP;
Abstract
Provided is a holder device that uses a pressure medium suitable for gripping a long and thin grasped object, the device eliminating need for a small-diameter machining for a device body and allowing use of a material suitable for sleeve deformation at a portion where a pressure chamber is formed. A holder device capable of deforming in a radial direction for fastening a grasped objectthrough a function of a pressure medium, includes a device body, a sleevedisposed at a leading end of the device bodyfor gripping the grasped object, a pressure chamberformed circumferentially in the sleeve, and a support portionprovided continuously from the device bodyfor forming the pressure chambertogether with the sleeve