Cutters – for shaping – Including holder having seat for inserted tool – With separate means to fasten tool seat to holder
Patent
1991-09-20
1992-05-12
Schwartz, Larry I.
Cutters, for shaping
Including holder having seat for inserted tool
With separate means to fasten tool seat to holder
407102, 82158, B23P 1528
Patent
active
051121638
ABSTRACT:
A variable tool bit holder which takes the place of up to eight standard tool bit holders for machining a workpiece including a shank member having a generally elongated rectangular configuration, and a groove positioned on an end portion of the shank member and comprises an end groove portion extending across an end surface of the shank member and side groove portions extending horizontally on the left and right side surfaces of the shank member toward the opposing end surface for a distance at least equal to the end surface groove portion; a support blade having top and bottom surfaces each defined by a frontally disposed V-shaped bit-receiving forward edge portion and a rearwardly disposed planer top surface disposed above the plane of the bit-receiving surface; a transversely projecting elongated rib extending longitudinally along the inner side of the support blade and adapted to be inserted in a selected groove portion and releasably secured thereto; an insert bit having opposing cutting tips and a V-shaped bottom edge adapted to be received in the V-shaped bit-receiving portion of the support blade; and a clamp which is releasably attachable to a portion of the surface of the shank member adjacent to the top surfaces of the bit and support blade whereby a portion of the clamp clamps the bit member between the support blade and the clamp and the top surface of the support blade.
REFERENCES:
patent: 3758927 (1973-09-01), Stein
patent: 3780408 (1973-12-01), McCreery
patent: 3825981 (1974-07-01), Cochran et al.
patent: 4077735 (1978-03-01), Dick et al.
patent: 4137000 (1979-01-01), Takacs et al.
patent: 4247231 (1981-01-01), Kraemer
patent: 4332513 (1982-06-01), Gowanlock
patent: 4730525 (1988-03-01), Kelm
Daulton J. R.
Gordon Edward A.
Schwartz Larry I.
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