Worm reduction gear and steering system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9878735
APP PUB NO 20160339947A1
SERIAL NO

15149950

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Abstract

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A worm reduction gear satisfies following relational Formula (1) and Formula (2):

description='In-line Formulae' end='lead'3≧D2/D1≧1.7  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'0.1°≦α−β≦0.5°  (2)description='In-line Formulae' end='tail'

where D1 is an outside diameter of a worm, D2 is an outside diameter of a hob for cutting a worm wheel to form tooth spaces, and α is a pressure angle of the worm wheel and β is a pressure angle of the worm at an intermeshing pitch circle of the worm and the worm wheel.

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Patent Owner(s)

Patent OwnerAddress
JTEKT CORPORATIONKARIYA-SHI AICHI-KEN 448-8652

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kikuchi, Arata Soraku-gun, JP 12 75

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