Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1978-05-30
1980-05-27
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51218A, B24B 360, B24B 2110
Patent
active
042043719
ABSTRACT:
A tool sharpening fixture for a conventional grinding tool having for example 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 includes an elongated tool support arm pivotally mounted at one end on the grinding tool having a calibrated protector plate secured to the arm at its pivotal mounting. The arm is releasably retained in a predetermined angular position relative to the grinding tool and a tool anchor plate extends transversely of the arm, slidably mounted thereon for longitudinal adjustment to receive tools of different lengths. An elongated upright platen of arcuate shape and transversely flat is mounted on the grinding tool, which supportably and guidably bears against the interior surface of the belt. The platen preferably being in the form of a French curve substantially and terminating in a straight portion. The platen is vertically adjustable in one embodiment and includes a vertical upright member and a U-shaped platen which is adjustably supported on the upright member.
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: 4091574 (1978-05-01), Horwitz
Olszewski Robert P.
Smith Gary L.
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