Patent · US Active

Reduced stress pawl and ratchet tooth for a one-way clutch

US8776975B2 · kind B2 · utility

1Cited by

5References

9Claims

0Family size

Assignee

GKN Sinter Metals, LLC · DE

Inventors

Alfred J. Chiesa · Farmington Hills, US
Henry J. Knott · Ypsilanti, US

Key dates

Filing date	Oct 22, 2008
Grant date	Jul 15, 2014
Priority date	—
Expiry date	Jan 17, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D41/12
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A one-way clutch with an outer race and an inner race is disclosed. One of the races includes at least one pawl and an engagement member for holding the at least one pawl in engagement with ratchet teeth on the other race. The contact surface of the at least one pawl or the ratchet teeth is an arcuate shape for improved load distribution. The arcuate contact surface has a radius of curvature that is greater than a radius of curvature at corners adjacent to the arcuate contact surface.

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