Band Saw Blade Guide Wear Pad
A band saw blade guide wear pad includes a slab having a first contact face of wear resistant material, a second contact face of wear resistant material opposed to the first contact face, and a peripheral edge. When the wear resistant material on the first contact face becomes worn, the slab is inverted and use of the slab continues until the wear resistant material on the second contact face also becomes worn. Variations of wear pad holders adapted for use with the wear pads are also described.
1 . A band saw blade guide wear pad, comprising:
a slab having a first contact face of wear resistant material, a second contact face of wear resistant material opposed to the first contact face, and a peripheral edge, such that when the wear resistant material on the first contact face becomes worn, the slab is inverted and use of the slab continues until the wear resistant material on the second contact face also becomes worn.
2 . The band saw blade guide wear pad as defined in claim 1 , wherein the slab has a rigid centrally positioned supporting core layer, sandwiched between two layers of wear resistant material.
3 . The band saw blade guide wear pad as defined in claim 1 , wherein the peripheral edge has engagement means adapted to engage a holder.
4 . The band saw blade guide wear pad as defined in claim 3 , wherein the engagement means includes at least one groove.
5 . The band saw blade guide wear pad as defined in claim 3 , wherein the engagement means includes at least one protruding engagement protruding from the peripheral edge of the slab.
6 . The band saw blade guide wear pad as defined in claim 2 , wherein the core layer is made of a material which is attracted by a magnet.
7 . The band saw blade guide wear pad as defined in claim 2 , wherein the core layer is visually distinct from the wear resistant material, thereby providing a visual indication when the wear resistant material has been worn to the point that the core layer has become visible.
8 . In combination:
a band saw blade guide wear pad as defined in claim 1;
engagement means along the peripheral edge of the stab; and
a holder having an engagement track adapted to engage the engagement means along the peripheral edge of the slab.
9 . The combination as defined in claim 8 , wherein the slab has a rigid centrally positioned supporting core layer, sandwiched between two layers of wear resistant material.
10 . The combination as defined in claim 8 , wherein the holder has an upper guide rail and a lower guide rail, and the engagement means are grooves along the peripheral edge of the slab which are adapted to engage the upper guide rail and the lower guide rail.
11 . The combination as defined in claim 10 , wherein the holder has stops adapted to confine the slab and prevent movement of the slab along the upper guide rail and the lower guide rail of the holder.
12 . The combination as defined in claim 9 , wherein the core layer is visually distinct from the wear resistant material, thereby providing a visual indication when the wear resistant material has been worn to the point that the core layer has become visible.
13 . In combination:
a band saw blade guide wear pad in the form of a slab having a first contact face of wear resistant material, a second contact face of wear resistant material opposed to the first contact face, and a peripheral edge, such that when the wear resistant material on the first contact face becomes worn, the slab is inverted and use of the slab continues until the wear resistant material on the second contact face also becomes worn;
the slab having a rigid centrally positioned supporting core layer made of a material which is attracted by a magnet, sandwiched between two layers of wear resistant material.
a holder having a magnet adapted to magnetically hold the core layer of the slab to the holder.
14 . The combination as defined in claim 13 , wherein engagement means on the core layer protrude from the peripheral edge of the slab and peripheral rails are provided on the holder which adapted to engage the protruding engagement means on the core layer and thereby maintain accurate positioning of the slab relative to the holder.
15 . The combination as defined in claim 14 , wherein the engagement means is a peripheral flange.
16 . The combination as defined in claim 13 , wherein the core layer is visually distinct from the wear resistant material, thereby providing a visual indication when the wear resistant material has been worn to the point that the core layer has become visible.