Clutch for injury mitigation system for power tools

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8844696
APP PUB NO 20080196991A1
SERIAL NO

12030511

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A clutch mechanism includes a bolt threadably received by a drive shaft and configured to secure the blade on an inner washer disposed about the drive shaft. The clutch mechanism also includes a spring assembly that is generally annularly disposed around the bolt. When the spring assembly is compressed, the spring assembly is configured to grip the blade inner washer and the spring assembly. At least one shallow pocket and at least one deep pocket are disposed in a lower surface of an upper retainer, and at least one geometric spacer extends from the spring assembly. In the coupled condition, the geometric spacer is engaged with the shallow pocket, and in the uncoupled condition, the plug structure is engaged with the deep pocket.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBH70442 STUTTGART
CREDO TECHNOLOGY CORPORATION2800 SOUTH 25TH AVENUE BROADVIEW IL 60153-4594

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eppard, Erin F Phoenix, US 3 27

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