Rotary tool and guide

Details Rotary tool and guide Rotary tool and guide

1982-12-30

1984-10-09

Briggs, William R.

Gear cutting, milling, or planing

Milling

With means to remove chip

408 56, 408 57, 408 72R, 408 97, 408115B, B23C 528, B23B 5106

Patent

active

044758537

ABSTRACT:
Drill structure including an improved drill with indexable inserts, the drill including a straight fluted end with increased chip clearance and decreased clearance between the outer periphery of the end and the bore surface for reduced chip binding. The drill includes a grooved barrel which is received in a bushing fixed with respect to the workpiece to prevent wobble and to precisely locate the bore.

REFERENCES:
patent: 2552463 (1951-05-01), Searles
patent: 3120766 (1964-02-01), Zagar
patent: 3214774 (1965-11-01), Gulland
patent: 3540323 (1970-11-01), Rishel
patent: 3874808 (1975-04-01), Zaccardelli et al.
patent: 4053249 (1977-10-01), Ness et al.
patent: 4124328 (1978-11-01), Hopkins
patent: 4130372 (1978-12-01), Vugrin
patent: 4149821 (1979-04-01), Faber
patent: 4194862 (1980-03-01), Zweekly
patent: 4220429 (1980-09-01), Powers

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