Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1987-05-07
1990-03-20
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51214, B23F 2103
Patent
active
049089943
ABSTRACT:
A body assembly is provided defining a wide shallow slot opening outwardly of one side of the body assembly and endwise outwardly of the opposite ends thereof. The body assembly further defines a recess depressed below and opening upwardly into the bottom of the slot intermediate the opposite ends thereof and the body assembly shiftably mounts a support for movement between first and second positions relative to the body assembly in which first and second course and fine abrasive elements carried by the support face upwardly into the slot and project slightly above the bottom of the slot. A pair of opposite side elongated guide members are mounted in the slot for movement toward and away from each other and include opposing guide surfaces for guidingly engaging the opposite sides of a skate blade centered in the slot, the guide members being yieldingly biased toward each other and incorporating guide surfaces comprising opposing peripheral portions of longitudinally spaced rollers journalled from each of the guide members.
REFERENCES:
patent: 555974 (1896-03-01), Roberts et al.
patent: 641752 (1900-01-01), Stepzinski
patent: 1273624 (1918-07-01), Krollius
patent: 1335813 (1920-04-01), Berghman
patent: 1468347 (1923-09-01), Graves
patent: 2053359 (1936-09-01), Wright
patent: 2118617 (1938-05-01), Nicolet
patent: 2154744 (1939-04-01), Hammond
patent: 2461690 (1949-02-01), Leong
patent: 2542281 (1951-02-01), Lefteruk
Schmidt Frederick R.
Shideler Blynn
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