Apparatus and method for marking center of turning billet

Details Apparatus and method for marking center of turning billet Apparatus and method for marking center of turning billet

1988-04-13

1989-09-26

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

With point marker

B23B 4900

Patent

active

048689955

ABSTRACT:
A center marker for locating and marking the ends of turning squares or billets prior to mounting them in lathe centers. The marker includes three orthogonal plates which are joined to form a corner, and the base plate is fitted with a knife which protrudes from the base surface in order to mark the billet end when it is brought against the knife while cradling adjacent billet surfaces against arms of the marker.

REFERENCES:
patent: 49553 (1865-08-01), Safford et al.
patent: 311619 (1885-02-01), Varnum
patent: 316918 (1885-04-01), Standeford
patent: 364082 (1887-05-01), Bell
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patent: 906180 (1908-12-01), Wrightsman
patent: 912052 (1909-02-01), Albertson
patent: 1157589 (1915-10-01), Savage
patent: 2085461 (1937-06-01), Chafee
patent: 2634507 (1953-04-01), Boatwright
patent: 2961773 (1960-11-01), Honn
patent: 4667549 (1987-05-01), Griffin

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