Mechanical chuck with clamp for pulling tool shank to tightly cl

Details Mechanical chuck with clamp for pulling tool shank to tightly cl Mechanical chuck with clamp for pulling tool shank to tightly cl

1992-08-21

1994-08-23

Briggs, William

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

279 89, 408239R, 409232, B23C 900, B23B 3104

Patent

active

053402480

ABSTRACT:
A mechanical chuck for clamping the shank of a tool comprises a receiver having a forwardly open, rearwardly tapering socket. A pull rod is mounted for front-to-rear reciprocation in the socket. The pull rod is connectible to the tool shank. A plurality of pins are mounted in the receiver for front-to-rear movement therein. Rear ends of the pins engage the pull rod. A nut is threaded on the outside of the socket so that when rotated, the nut displaces the pins rearwardly. The pins displace the pull rod and shank rearwardly, so that the shank is tightly engaged in the socket.

REFERENCES:
patent: 3311023 (1967-03-01), Kaiser
patent: 3444781 (1969-05-01), Sunderman et al.
patent: 3533638 (1970-10-01), Sedgwick
patent: 3599996 (1971-08-01), Holt
patent: 4902177 (1990-02-01), Burnett
patent: 4951578 (1990-08-01), von Haas et al.
patent: 5193954 (1993-03-01), Hunt
patent: 5238341 (1993-08-01), Horsh

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