Wood jointer and planer blade sharpening holder

Details Wood jointer and planer blade sharpening holder Wood jointer and planer blade sharpening holder

1989-08-24

1990-10-09

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51109BS, 51218R, 51218P, B24B 700

Patent

active

049612875

ABSTRACT:
A device for low-cost and convenient sharpening of wood jointer and planer blades or knives. The device comprises a rectangular block of sufficient thickness to embody an angled kerf for holding the blade or knife and thumbscrews to turn up against the blade or knife to hold it in place, the block with the blade or knife inserted to lay flat against the bed of a conventional workshop table saw in an inverted position, a stone grinding wheel to be installed on the saw arbor, the grinding stone to engage the surface of the blade or knife to be sharpened, an elongated guide to be installed on the underside of the block to engage the miter slot in the bed of the table saw to guide the blade or knife to be sharpened along its entire length while in contact with the stone griding wheel, operator to employ repeated reciprocal movements of the block and blade or knife to be sharpened, gradual raising of the stone grinding wheel arbor until visual inspection of object to be sharpened has been ground uniformly over its entire length.

REFERENCES:
patent: 2782570 (1957-02-01), Ische
patent: 3181283 (1965-05-01), Tuttle

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