Toothed belt transmission

Details Toothed belt transmission Toothed belt transmission

2006-12-05

2006-12-05

Johnson, Vicky A. (Department: 3682)

Endless belt power transmission systems or components

Positive drive belt

Drive surfaces on belt formed in or interconnected by...

Reexamination Certificate

active

07144345

ABSTRACT:
A toothed belt transmission is provided in which a toothed belt is trained around drive and driven pulleys. Each toothed pulley has a circumferential periphery formed with a plurality of teeth. Adjacent teeth are assigned as a first tooth portion and a second tooth portion. Respective tooth portions have arcuate portions at corners defined between tooth edges and tooth surfaces. A line touching the arcuate portions of the first and second tooth portions is assigned as a common tangential line. A line passing over a starting point of the arcuate portion of the tooth edge of the first tooth is assigned as a first tangential line. An angle between the common tangential line and the first tangential line falls in a range between 6° and 14.4°.

REFERENCES:
patent: 4041789 (1977-08-01), Hoback
patent: 6648784 (2003-11-01), Redmond
patent: 11132291 (1999-05-01), None
patent: 2995021 (1999-10-01), None

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