Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1975-07-11
1977-02-01
Whitehead, Harold D.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
B24B 352
Patent
active
040055531
ABSTRACT:
A clamping device for use in sharpening shears and the like with a grinding wheel wherein the shear blade is adjustably and rigidly clamped onto a counterbalanced support member that is secured to a base member for free pivotal movement with respect thereto. The degree of free pivotal movement of the support member is adjustable such that the force of gravity permits the counterbalanced support member to assume any desired grinding angle.
REFERENCES:
patent: 359533 (1887-03-01), Convers
patent: 941272 (1909-11-01), Powell
patent: 980654 (1911-01-01), Mason
patent: 1659257 (1928-02-01), Giampeter
patent: 3574268 (1971-04-01), Buse
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