Power operated rotary knife

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9221183
APP PUB NO 20140245617A1
SERIAL NO

14279582

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Importance

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Abstract

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A power operated rotary knife (100) including: an annular rotary knife blade (300) including a knife blade bearing surface (319); a blade housing (400) defining a blade housing bearing surface (459); and a blade-blade housing bearing structure (500) disposed between the knife blade bearing surface (319) and the blade housing bearing surface (459). The blade-blade housing bearing structure (500) includes a rolling bearing strip (502) having a plurality of rolling bearings (506), such as ball bearings, disposed in spaced apart relation in a flexible separator cage (508). The rolling bearing strip (502) traverses through an annular passageway (504) defined between the knife blade bearing surface (319) and the blade housing bearing surface (459) to secure the knife blade (300) to the blade housing (400) and support the knife blade for rotation about a central axis (R) with respect to the blade housing (400).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BETTCHER INDUSTRIES INC6801 STATE ROUTE 60 BIRMINGHAM OH 44816

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mascari, Nicholas A Wellington, US 33 1116
Stump, Kevin V Wellington, US 8 175
Tansey, Martin Patrick Lorain, US 4 136
Whited, Jeffrey A Amherst, US 75 2359

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