Redundant make/break interconnect for a print head

Details Redundant make/break interconnect for a print head Redundant make/break interconnect for a print head

1993-06-08

1995-05-02

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Frame, casing, or support for typewriter

347 50, B41J 2900, B41J 201

Patent

active

054113431

ABSTRACT:
A printer has a printer electrical trace extending to a printer make/break connector, the printer make/break connector including a first printer contact and a second printer contact on the printer electrical trace. A print head cartridge has a cartridge make/break connector, the print head cartridge make/break connector including a first print head cartridge contact and a second print head cartridge contact connected to the same lead within the cartridge. The first printer contact is positioned to register with the first print head cartridge contact and the second printer contact is positioned to register with the second print head cartridge contact when the print head cartridge is removably inserted into the printer. The first printer contact and the second printer contact are spaced apart by a printer contact separation distance sufficiently great that a mechanical failure of the first printer contact and the first print head cartridge contact to engage each other is independent of a mechanical failure of the second printer contact and the second print head cartridge contact to engage each other.

REFERENCES:
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patent: 4602317 (1986-07-01), Rovynak et al.
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patent: 4940413 (1990-07-01), Childers et al.
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patent: 5092782 (1992-03-01), Beaman
patent: 5127839 (1992-07-01), Korsunsky et al.

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