Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1976-02-23
1977-07-12
Vlachos, Leonidas
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
142 55, 144251R, 292DIG22, B23B 2504
Patent
active
040346331
ABSTRACT:
A safety shield construction for use with wood turning lathes and similar machines which provide a "see through" shield mounted in a perimeter frame which is movable between closed and open positions. Inertia actuated locks prevent the shield from being knocked open by a sharp blow from a broken workpiece, but permit the shield to be moved to the open position manually. The inertia locks are fail safe and are moved to locked position whenever the shield is moved to closed position. Thus if the inertia locks become inoperative they will be in locked position for safety. The shield construction includes rigid supports attached to the lathe bed which utilize a rigid torque tube that attaches on brackets which permit adjustment of the shield along the length of the lathe to not only serve as a shield for long workpieces, but also as a shield during face plate operation. The torque tube is not substantially longer than the length of the frame of the shield, and permits longitudinal adjustment while maintaining rigidity and strength.
REFERENCES:
patent: 2714926 (1955-08-01), Nichta
patent: 3204499 (1965-09-01), Schoenrock
Toolmark Co.
Vlachos Leonidas
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