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:
Apr. 14, 2009
Filed:
May. 20, 2008
Ming-chung Cheng, Taichung, TW;
Ming-Chung Cheng, Taichung, TW;
Donell Optronics Co., Ltd., Taichung, TW;
Abstract
A pipework has an outer pipe, an inner pipe a position hole, a pressing element and a bolt. The outer pipe has an outer wall. The inner pipe is slidably mounted in the outer pipe. The position hole is formed through the outer wall of the outer pipe and has an inner thread and at least one locating slot. The pressing element is mounted in the position hole and has a mounting recess and at least one locating block formed on and protruding from the pressing element. The blot is connected to the pressing element, is screwed with the position hole and has a body and a mounting head. The body is mounted in the position hole and has a mounting segment and an operating segment. The mounting head is formed on the mounting segment and is mounted rotatably in the mounting recess.