US 5,743,161 A · Angularly adjustable table saw jig

Abstract

An angularly adjustable table saw jig which comprises a base plate having an upper flat surface for supporting a work piece to be cut, a means for slidably attaching the jig to a table cutting tool, an upwardly extending work advancing abutment rotatably connected to the base plate at an axis of rotation for advancing work into cutting engagement with a table cutting blade, and a slot extending generally parallel to a cutting path of the cutting blade for providing clearance for the cutting blade as the jig is advanced into cutting engagement therewith. The jig also includes an elongated guide rail, which is rotatably connected to the base plate, and whose axis of rotation lies in the same plane of the cutting blade. The jig may include further a shield for preventing undesirable access to a spinning saw blade and for preventing injury from flying debris, a work piece restraining means for preventing movement of work pieces and resultant inaccurate cutting and injury, and a safety cutoff means for preventing power from flowing to the table cutting tool when the operator's hands are not located properly.

Claims20

Dependent claims

A jig for feeding work to a table cutting saw, the table cutting saw with a cutting blade projecting through a generally flat upper table face, and the jig comprising:

a base plate with an underside and an upper flat surface for supporting a work piece;
a means for slidably mounting the jig on the upper table face of the table cutting saw for enabling the jig to slide along a jig sliding path, wherein the jig sliding path is parallel to a cutting path of the cutting blade;
an elongated guide rail for advancing a work piece into the cutting blade, wherein the guide rail is rotatably connected to the base plate for rotation of the guide rail about a single axis of rotation, wherein the axis of rotation of the guide rail is fixed with regard to the jig, and wherein the axis of rotation of the guide rail is coincident with a cutting plane of the cutting blade;
and
a slot in the base plate wherein the slot is generally parallel to the sliding path of the jig for providing clearance for the cutting blade when the base plate is slid over the upper table face of the table cutting saw.

2 more elements

A jig for feeding work to a rotary table cutting saw, the table cutting saw with a rotary cutting blade projecting through a generally flat upper table face, and the jig comprising:

a generally circular base plate forming at least a substantial portion of a circle, wherein the base plate has a single center of curvatures an underside, and an upper flat surface for supporting a work piece;
a means for slidably mounting the jig on the upper table face of the table cutting saw for allowing the jig to slide along a jig sliding path, wherein the jig sliding path is generally parallel to a cutting path of the cutting blade;
an elongated and upwardly projecting guide rail for advancing work into cutting engagement with the rotary cutting blade, wherein the guide rail is rotatably connected to the base plate about a single axis of rotation, and wherein the axis of rotation of the guide rail is fixed generally at the center of curvature of the base plate and coincident with a cutting plane of the cutting blade;
and
a slot in the base plate wherein the slot is generally parallel to the jig sliding path for providing clearance for the cutting blade when the base plate is slid over the upper table face of the table cutting saw.

2 more elements

Dependencies are inferred from the claim text.

Angularly adjustable table saw jig

Life of this patent

Angularly adjustable table saw jig

Life of this patent

Abstract

Claims20