Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1982-01-22
1984-04-17
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51354, 15236R, 30172, 76 83, 76 88, 144114A, 144115, 280809, B24B 902
Patent
active
044426364
ABSTRACT:
An edge sharpening device that simultaneously sharpens the edge faces on both sides of the skis has a hand-grippable support (31) capable of changing in length that carries a pair of opposed edge sharpening heads (32, 33). The heads are movable to a spread position by the changing of the length of the support and a biasing band (61) urges the side sharpening faces (44, 45, 54, 55) of sharpening blocks against the side surfaces of the ski during a reciprocating movement of the device. The heads have bottom sharpening faces (48, 58) that are manually urged against the bottom surfaces of the ski during the reciprocating movement of the device. A flexible mounting provided by heads (68, 78) and sockets (64, 74) permits the heads to turn from side to side about a vertical axis to follow the taper of a ski of varying width during the sharpening operation.
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patent: 4060013 (1977-11-01), Thompson
Lewis, Jr. Ancel W.
Olszewski Robert P.
Schmidt Frederick R.
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