Valve grinding apparatus

Details Valve grinding apparatus Valve grinding apparatus

1984-06-22

1986-11-04

Parker, Roscoe V.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 1502

Patent

active

046203958

ABSTRACT:
Apparatus for grinding valve seats comprises a grinding head 1 rotatably mounted on a supporting arm 2 bearing a drive motor 11 connected to rotate the head 1, and a support structure including a support block 15 with a cavity 15a through which the supporting arm 2 passes, the support structure further including a motor 35 driving the support block 15 through eccentric pin 38 to move the support block and the supporting arm in an orbital path, such that the grinding head performs rotational and orbital movement.

REFERENCES:
patent: 2318854 (1943-05-01), Hall
patent: 2777263 (1957-01-01), Spence
patent: 3069819 (1962-12-01), Gilmore
patent: 3071902 (1963-01-01), Curfman
patent: 4287688 (1981-09-01), Jensen

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