Wire dot print head with a pair of guide nose halves

Details Wire dot print head with a pair of guide nose halves Wire dot print head with a pair of guide nose halves

1988-11-10

1990-08-21

Wiecking, David A.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

049500929

ABSTRACT:
In a wire dot print head having print wires extending through an opening of a guide nose, the guide nose comprises two halves. The print head may further comprise a wire guide which is fitted in the guide nose and through which the print wires extend, and the wire guide may be clamped by the two halves. In another embodiment, the half members have abutting surfaces provided with semi-circular grooves, which when the guide nose halves are assembled, form guide holes in which the print wires are slidably supported. The use of the two halves facilitates assembly of the print head and reduces noise.

REFERENCES:
patent: 3921780 (1975-11-01), Gentzlinger
patent: 4047606 (1977-09-01), Ott
patent: 4158909 (1979-06-01), Einem
patent: 4180333 (1979-12-01), Linder
patent: 4229114 (1980-10-01), Van Horne
patent: 4309116 (1982-01-01), Maeda
patent: 4572070 (1986-02-01), Moulin
patent: 4708502 (1987-11-01), Murakami
IBM Technical Disclosure Bulletin, vol. 27, No. 4B, Sep. 1984, pp. 2557-2558, N.Y., U.S.; R. G. Cross et al.: "Two-Part Molded Matrix Print Head".
The Transactions of the IECE of Japan, vol. 365, No. 7, Jul. 1982, pp. 397-404, "A Study for the Design of a New Mechanism of Wire Dot Print Head", Watanabe et al.

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