Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-06-15
1978-05-30
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51218A, B24B 360, B24B 2110
Patent
active
040915743
ABSTRACT:
A tool sharpening fixture for a conventional grinding tool having a base mounted on a table, at least a pair of spaced pulleys on the base, and a continuous flexible abrasive belt mounted on and around the pulleys, with one of the pulleys being power-driven. The tool-sharpening fixture has an upwardly extending leg for mounting the fixture upon a support, such as the grinding tool table. An elongated tool support arm is pivotally mounted at one end upon the leg. A calibrated protractor plate is secured to the arm at its pivotal mounting. A manual fastening device on the leg secures the arm and protractor in a predetermined angular position relative to the leg. A tool anchor plate extends transversely of the arm and is slidably mounted thereon for longitudinal adjustment to receive tools of different lengths. A friction device is provided upon said anchor plate for securing the anchor plate in adjusted position on the arm. An elongated upright platen of arcuate shape and transversely flat is mounted on said base and supportably and guidably bears against the interior surface of the belt, said platen preferably being in the form of a French curve substantially and terminating in a straight portion. The anchor plate supportably and retainingly engages one end of a tool, with the blade edge forcefully applied to the belt and against the corresponding formed surface of the platen to define at said point of engagement a corresponding form of the belt surface as it moves over the platen for cutting into the edge face of the tool blade to be sharpened or finished, a flat or hollow ground edge.
REFERENCES:
patent: 411217 (1889-09-01), Dick
patent: 981810 (1911-01-01), Sterling
patent: 1206791 (1916-12-01), Anderson
patent: 2352690 (1944-07-01), Clausing
patent: 2594574 (1952-04-01), Marsden
patent: 2832179 (1958-04-01), Beltram
patent: 3969848 (1976-07-01), DeMusis
Godici Nicholas P.
Whitehead Harold D.
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