Patent · US Active

Sprag

US7854305B2 · kind B2 · utility

5Cited by

4References

6Claims

0Family size

Assignee

Schaeffler KG · DE

Inventors

Tomas Smetana · Herzogenaurach, DE
Frank Straub · Bad Neustadt an der Saale, DE
Frieder Altmann · Pommersfelden, DE
Volker Ploetz · Herzogenaurach, DE

Key dates

Filing date	Dec 13, 2005
Grant date	Dec 21, 2010
Priority date	—
Expiry date	Feb 5, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D2041/0603
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A sprag for a sprag-type freewheel clutch having a profile comprised of multiple profile sections, the sprag having at least the profile sections of an inner engagement curve, an outer engagement curve and a first and a second lateral curve, wherein the outer and inner engagement curves each form a component of a logarithmic spiral.

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