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. 04, 2014
Filed:
Aug. 12, 2009
Zhanwei Tu, Fujian, CN;
Kuikui Zhu, Guangdong, CN;
Yurong LV, Fujian, CN;
ABB Technology Ltd., Zurich, CH;
Abstract
A tulip contact comprises a plurality of outer contact fingers and inner contact fingers. The outer contact fingers forming a shape of the outer surface of fixed contact in order to make the contact surface of each of these fingers contact with the outer surface of fixed contact. The inner contact fingers forming a shape of the inner surface of fixed contact in order to make the contact surface of each of these fingers contact with the inner surface of fixed contact. Each said contact finger comprises a first contact bulge for contacting with the surfaces of the fixed contact, and a second contact bulge for contacting with the bushing. And each said contact bulge comprises a contact slot on its surface. The first contact bulges of the outer contact fingers are not at the same cross section with the first contact bulges of the inner contact fingers.