Toolholder for indexable inserts

Details Toolholder for indexable inserts Toolholder for indexable inserts

1995-05-26

1997-11-11

Howell, Daniel W.

Cutters, for shaping

Including holder having seat for inserted tool

With separate means to fasten tool to holder

407108, 407111, B23P 1528

Patent

active

056856725

ABSTRACT:
A cutting insert has top and bottom surfaces and a center hole extending between those surfaces. The insert is seated in a pocket of a toolholder. A clamp is attached to a body of the toolholder by a screw which extends through a through-hole of the clamp and is threadably engaged with the body. An inner end of the clamp engages the body, and a projection at the outer end of the clamp enters the center hole of the insert. When the clamp is tightened, it is displaced downwardly such that a planar under surface of the clamp pushes downwardly against the insert, and is also displaced inwardly so that the projection of the clamp pushes the insert rearwardly against an upright support surface. The inward displacement of the clamp is achieved by causing the inner end of the clamp to engage an inclined surface of the body, or by causing a head of the screw to displace the clamp inwardly.

REFERENCES:
patent: 2999301 (1961-09-01), Conti et al.
patent: 3138846 (1964-06-01), Conti et al.
patent: 3314126 (1967-04-01), Stier
patent: 3577618 (1971-05-01), Cashman
patent: 4035890 (1977-07-01), Eriksson et al.
patent: 4398853 (1983-08-01), Erickson
patent: 4477212 (1984-10-01), Kraft
patent: 4600341 (1986-07-01), Board
patent: 5035544 (1991-07-01), Ikenaga et al.
patent: 5100268 (1992-03-01), Nakayama et al.

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