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. 13, 1996
Filed:
Jan. 17, 1995
Jiro Kamezawa, Osaka, JP;
Tomoe Technical Research Company, Osaka, JP;
Abstract
A manual device for a valve has: a movable valve opening member sustained rotatably and disposed in a valve body; an opening and closing of the valve for controlling the opening and closing oi a fluid passage; a notch plate connected with one end of a stem which is pivotably sustaining the valve; a notch plate moving freely in axial direction on the stem and which rotates synchronously with the stem; a manual and oprative knob adhered to the notch plate; a casing adhered to the valve body, so that the casing stores the notch plate and guides the movement of the notch plate freely in the axial direction and guides rotation of the notch plate; a notch means preventing the extra rotation of the notch plate by mutual engagement between the notch plate and the casing; and a notch plate which is constantly pressurized to keep the engagement. This invention provides a manual device, wherein the maximum or minimum or intermediate degree of opening of the valve can be maintained, and at the same time, the device also achieves simple constructure, long life and down sizing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile