Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – With pattern control means
Patent
1981-08-18
1982-10-26
Stallard, W.
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
With pattern control means
266 77, B23K 710
Patent
active
043557864
ABSTRACT:
Apparatus adapting a guide device for use with a hand-holdable cutting torch. The guide device has an articulated arm whose free end is movable in a planar path defined by a stationary pattern template which the arm engages. The torch is of a type having a barrel, a handle carried on the barrel, an elongated nozzle, and an angled connection between the barrel and nozzle. The adapting apparatus includes a bushing for releasably clamping the torch nozzle, and a bushing-support plate carried on the free end of the arm in the guide device. The bushing, with the torch nozzle clamped therein, is mounted on the support plate for rotation relative thereto about the axis of the torch nozzle, where this axis is disposed substantially normal to the plane of arm movement. The apparatus enables the user to guide the movement of the arm along the template path by manipulating the torch handle.
REFERENCES:
patent: 1582033 (1926-04-01), Godfrey
patent: 2040914 (1936-05-01), Anderson
patent: 2178938 (1939-11-01), Ohmstede
patent: 2321949 (1943-06-01), Sorensen
patent: 3075758 (1963-01-01), Gloor
patent: 3387375 (1968-06-01), Nowotny
patent: 3417477 (1968-12-01), Nowotny
Adams Steven E.
Hamilton, Jr. Robert H.
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