Clamping assembly for a cutting insert

Details Clamping assembly for a cutting insert Clamping assembly for a cutting insert

2005-10-14

2010-10-05

Fridie, Jr., Will (Department: 3724)

Cutters, for shaping

Including holder having seat for inserted tool

With separate means to fasten tool to holder

C407S104000

Reexamination Certificate

active

07806632

ABSTRACT:
The clamping assembly includes a cutting insert with a lower passage housing a screw with a head for clamping the cutting insert against a bearing surface provided on a tool holder and comprising a screwing hole, wherein the screw head is shaped and arranged so as to press only on one side, with a flared opening, of the screw hole, the passage has a template incompatible with a template of the head in the clamping position, and, outside of the clamping, the cutting insert and the screw can change mutually relative positions so as to harmonize the two templates and thus release the cutting insert without having to entirely unscrew the screw.

REFERENCES:
patent: 3488822 (1970-01-01), Jones
patent: 3525136 (1970-08-01), Crosby
patent: 4397592 (1983-08-01), Erickson
patent: 4427322 (1984-01-01), Kröll
patent: 4875812 (1989-10-01), Haque et al.
patent: 5199828 (1993-04-01), Forsberg et al.
patent: 5938377 (1999-08-01), Jordberg et al.
patent: 0037554 (1981-10-01), None
patent: 0052585 (1982-05-01), None
patent: 0247011 (1987-11-01), None
patent: 1143518 (1985-03-01), None
Schnellwechsel-Spannsystem für das Gewindedrehen; 1 page; XP000593949. Translation provided on separate sheet (1 page).
Yoshioka; Patent Abstracts of Japan; Throw-Away Type End Mill And Throw-Away Tip; Publication No. 11000813; Publication date Jan. 6, 1999; 1 page.

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