Universal tool connection

Details Universal tool connection Universal tool connection

1991-10-30

1993-03-16

Briggs, William

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

82160, 408239R, 409234, B23C 526, B23B 3102

Patent

active

051939541

ABSTRACT:
A mechanism for clamping a cutting tool holder in a socket formed in an end face of a clamping unit in a cutting machine. An axially movable drawbar has a multiple number of flat surfaces obliquely angled to the drawbar axis for exerting cam forces on individual wedge elements that are slidably guided for outward movement into wedge lock engagements with an inturned flange on the tool holder. The wedge elements exert axial forces on the tool holder internal flange for simultaneously achieving a relatively tight fit of the tool holder in the associated socket and a seating of the tool holder against an end face of the clamping unit. The mechanism can be used in rotary or non-rotary machines.

REFERENCES:
patent: 4715753 (1987-12-01), Tack
patent: 4745673 (1988-05-01), Araki et al.
patent: 4758122 (1988-07-01), Kubo
patent: 4784542 (1988-11-01), Talk et al.
patent: 4804301 (1989-02-01), Hunt
patent: 4836068 (1989-06-01), Erickson
patent: 4844671 (1989-07-01), Reinauer
patent: 4863323 (1989-09-01), Glaser
patent: 4951578 (1990-08-01), Von Haas et al.
patent: 4978262 (1990-12-01), Tjernstrom

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