Patent · US Active

Spring contact assembly

US7862391B2 · kind B2 · utility

24Cited by

21References

18Claims

0Family size

Assignee

Delaware Capital Formation, Inc. · US

Inventors

Charles J. Johnston · Walnut, US
Scott Chabineau · Pomona, US
Valts Treibergs · Mahtomedi, US
Sergey Yakushev · Maple Grove, US
Mark A. Swart · Upland, US
Edward A. Kottmeyer · Saint Paul, US

Key dates

Filing date	Sep 8, 2008
Grant date	Jan 4, 2011
Priority date	—
Expiry date	Jan 21, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S439/908
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A spring contact assembly having a first plunger with a tail portion having a flat contact surface and a second plunger having a tail portion with a flat contact surface wherein the flat contact surfaces are overlapping and are surrounded by an external compression spring such that the sliding engagement of the flat surfaces increases during compression of the spring.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.