Table saw riving knife

A power tool in one embodiment is a table saw which includes a swing arm assembly movable along a swing path, an actuator configured to force the swing arm assembly away from a first swing arm position and toward a second swing arm position, and a riving knife positioned outwardly of the swing arm a...

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Bibliographic Details
Main Authors WILLIAMS DANIEL J, SRINIVAS SRINATH, VORUGANTI RAVINDER, DAMMERTZ RALPH, OSHGAN STEPHEN M, SIWEK THOMAS
Format Patent
LanguageEnglish
Published 27.11.2012
Subjects
ACCESSORY MACHINES OR APPARATUS
BROACHING
FILING
LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
NAILING OR STAPLING MACHINES IN GENERAL
PERFORMING OPERATIONS
PLANING
SAFETY DEVICES, e.g. THOSE FOR SAWS
SAWING
SCRAPING
SHEARING
SLOTTING
TRANSPORTING
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Summary:A power tool in one embodiment is a table saw which includes a swing arm assembly movable along a swing path, an actuator configured to force the swing arm assembly away from a first swing arm position and toward a second swing arm position, and a riving knife positioned outwardly of the swing arm assembly when the swing arm assembly is in the first swing arm position, the riving knife including a channel with a first end portion and a second end portion, a first curved channel portion with a first center of curvature and located between the first end portion and the second end portion, and a second curved channel portion with a second center of curvature and located between the first end portion and the second end portion, wherein the first center of curvature is not coincident with the second center of curvature.
Bibliography:Application Number: US20100774849