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US 7,395,745 B2Granted
Trunnion assembly for saws
AssigneeBlack & Decker Inc.
InventorsRobert S. Gehret, Torrey R. Lambert
Life of this patent
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Abstract
A power tool with a base assembly, and a table supported by the base assembly, where the table has a workpiece supporting surface. A saw assembly is pivotably supported by the table via a trunnion assembly. The table includes a post having a first curved surface having a first radius. The trunnion has a first surface contacting the first curved surface. The trunnion is movable along the first curved surface. The first radius is larger than the distance between the first surface and the workpiece supporting surface.
Claims20
A power tool comprising:
- a base assembly;
- a table supported by the base assembly, the table having a workpiece supporting surface;
- and
- a saw assembly pivotably supported by the table via a trunnion assembly for rotation about a bevel axis;
- wherein the table includes a post having a first curved surface having a first radius, the first curved surface has a center coincident with the bevel axis, the trunnion assembly has a first surface contacting the first curved surface at a point of contact, the trunnion assembly being movable along the first curved surface, the first radius extending through the point of contact being larger than the distance between the point of contact and the workpiece supporting surface, and
- and a shaft is disposed between the post and the trunnion assembly for retaining the post and the trunnion assembly in close proximity, the shaft having a longitudinal axis substantially separate and parallel to the bevel axis, the shaft remaining stationary relative to the post when the trunnion assembly is rotated relative to the post, wherein the first surface is wider than the shaft.
3 more elements
Dependencies are inferred from the claim text.