Printing – Embossing or penetrating – Die members
Patent
1979-06-04
1981-05-05
Coven, Edward M.
Printing
Embossing or penetrating
Die members
101110, B41J 132
Patent
active
042651727
ABSTRACT:
A numbering head particularly adaptable to a portable gun including a frame having flat surfaces for seating against a flat workpiece. A shaft is positioned parallel to the seating surfaces and is supported within elongated apertures which allow the shaft, and marking wheels disposed on the shaft, to move through a limited length of travel toward, and away from, the workpiece. Each marking wheel includes, about its periphery, marking characters separated by grooves, each groove being disposed directly across from a corresponding character. A generally T-shaped yoke is supported within the frame and is matingly shaped to the grooves in the wheels. Biasing springs acting between the yoke and frame force the yoke into contact with the marking wheel grooves. A portion of the yoke extends into, or through, an opening in the frame. The opening is threaded to provide attachment of the numbering head to a portable gun, or a fixed or portable press, and to align the hammer of the gun or press with the yoke. Upon actuation the hammer impacts upon the yoke, the force being transmitted from the yoke to the wheels and the workpiece. The elongated aperture ensures that the force is transmitted to the workpiece without being diluted by contact of the shaft and frame.
REFERENCES:
patent: 1282173 (1918-10-01), Besaw et al.
patent: 1968900 (1934-08-01), Naugler
patent: 2073154 (1937-03-01), Hoffman
patent: 2151230 (1939-03-01), Putnam et al.
patent: 2232528 (1941-02-01), Hoffman
patent: 2274595 (1942-02-01), Edwards
patent: 2801583 (1957-08-01), Loushay
patent: 4006786 (1977-02-01), Speicher
Coven Edward M.
Levine Edward L.
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