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. 23, 2012
Filed:
Feb. 19, 2008
Hideaki Yokota, Kobe, JP;
Ryota Kojima, Kobe, JP;
Hideaki Yokota, Kobe, JP;
Ryota Kojima, Kobe, JP;
Kosmek Ltd., Hyogo, JP;
Abstract
A clamp rod () is vertically movably inserted into a housing (), and a detection hole () is formed in a lower end wall () of the housing (), substantially concentrically with an axis of the clamp rod (). An inlet hole () for supplying compressed air is opened in a peripheral surface of the detection hole (). Into the detection hole (), a detection member () is fitted vertically movably, the detection member () having a closing surface () which closes an opening portion () of the inlet hole (), and a recessed portion () through which the opening portion () is communicatively connected to outside air. The detection member () is connected to a downward projecting portion () of the clamp rod (). The detection member () is urged by an elastic member () toward the opening portion ().