Bar stock guide arrangement for screw machines

Details Bar stock guide arrangement for screw machines Bar stock guide arrangement for screw machines

1988-06-13

1992-05-19

Schmidt, Frederick R.

Turning

Lathe

Work rest

82152, B23B 2500

Patent

active

051137305

ABSTRACT:
A bar stock guide arrangement for screw machines having a rotatably mounted fitting which has a horizontal opening for loosely passing the bar stock and guide rollers in the fitting at circumferentially spaced locations around the bar stock. The guide rollers are on roller supports which are selectively adjustable radially of the fitting to accommodate different bar stock diameters. Weights are slidably received in the fitting between the roller holders, and centrifugal force on the weights produces inward force on the roller holders to hold the guide rollers against the bar stock. Each fitting has a central hub slidably received, on and detachable from, a corresponding tube on a rigid cross plate which supports the fitting.

REFERENCES:
patent: 3600990 (1971-08-01), Renoux
patent: 4000797 (1977-01-01), Ducanis
patent: 4030585 (1977-06-01), Ducanis
patent: 4130035 (1978-12-01), Langley
patent: 4566358 (1986-01-01), Ducanis

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