Patent · US Expired

Feed unit for moving parts

US6427897B1 · kind B1 · utility

2Cited by

11References

10Claims

0Family size

Assignee

Hesse & Knipps GmbH · DE

Inventors

Jorg Wallaschek · Paderborn, DE
Frank Walther · Paderborn, DE
Hans Hesse · Paderborn, DE

Key dates

Filing date	Dec 8, 2000
Grant date	Aug 6, 2002
Priority date	—
Expiry date	Jan 10, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2924/0002
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A feed unit for moving parts over short distances has a four-bar chain forming a translating solid parallelogram having two parallel rigid opposite legs, one of which constitutes a base leg, connected to one another by elastic elements and a piezoelectric stack translator extending between and flexibly connected to the rigid legs for articulation relative to the rigid legs and oriented at an angle of incidence (&agr;) with respect to a base leg that is less than 90° and greater than 45°.

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