Method and device for connecting a holder body with a tool head

Details Method and device for connecting a holder body with a tool head Method and device for connecting a holder body with a tool head

1987-10-30

1989-07-04

Schmidt, Frederick R.

Turning

Lathe

Tool rest

82159, 82158, B23B 2900

Patent

active

048439290

ABSTRACT:
A tool is clamped to a holder by a clamping mechanism carried by the holder. The clamping mechanism includes a plurality of clamping jaws having longitudinally extending shanks. The clamping jaws are actuated by a longitudinally reciprocable drawbar carried by the holder. The jaws are normally spring-biased to laterally inward, non-clamping positions and are actuated to a clamping position by means of a longitudinally movable drawbar carried by the holder. Actuation of the jaws occurs in a two-phase operation. In an initial phase, the shanks are displaced laterally outwardly so as to overlie a shoulder of the tool. In a subsequent phase, the shank is moved longitudinally into contact with the tool shoulder to clamp the tool against the holder.

REFERENCES:
patent: 2942897 (1960-06-01), Eason
patent: 3762271 (1973-08-01), Poincenot
patent: 4226562 (1980-10-01), Schmid et al.
patent: 4406195 (1983-09-01), Kruger et al.
patent: 4632614 (1986-12-01), Rall et al.

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