Indexable insert type cutting toolholders

Details Indexable insert type cutting toolholders Indexable insert type cutting toolholders

1976-04-19

1977-04-12

Hinson, Harrison L.

Metal working

Upholstered article making

Tufting

B26D 100

Patent

active

040166341

ABSTRACT:
Improvement in indexable insert type cutting toolholder having a steel shank and a pocket in the shank for carrying an indexable insert therein, the insert having a central aperture therein by which it is held in place in the toolholder, the improvement comprising a cartridge fitted in the pocket in the shank, an arrangement for fastening the cartridge securely in place in the shank pocket, the cartridge formed of a high speed steel harder than that of the shank but less that that of the insert, the cartridge retaining its hardness even when heated to cherry red heat, the cartridge having a pocket therein for holding the insert, and an arrangement for fastening the insert securely in place in the cartridge pocket.

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patent: 3102326 (1963-09-01), Conti et al.
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patent: 3246382 (1966-04-01), Zierden
patent: 3299491 (1967-01-01), Hall
patent: 3341920 (1967-09-01), Kelm
patent: 3341921 (1967-09-01), Weller et al.
patent: 3376763 (1968-04-01), Welles
patent: 3533150 (1970-10-01), Welch
patent: 3540102 (1970-11-01), Yogus et al.
patent: 3854183 (1974-12-01), Roos

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