Device for detachably supporting a drum in lateral walls of a ho

Details Device for detachably supporting a drum in lateral walls of a ho Device for detachably supporting a drum in lateral walls of a ho

1990-06-13

1991-09-03

Eickholt, Eugene H.

Typewriting machines

Platen or platen-moving mechanism

Cylindrical platen

384439, 4006602, B41J 1102

Patent

active

050448005

ABSTRACT:
A device for supporting a printer drum in lateral walls of a housing includes a detachable bearing bushing mounted on one end journal of the drum. That one end journal of the drum is journalled in a closed bearing opening and the other end journal of the drum is arranged via the bearing bushing in a transversely open bearing of a supporting wall which is connected to one of the lateral walls, the bearing bushing can be locked to the supporting wall after rotation of the bearing bushing through a flexible and detent lockable lever connected to the bushing. The bearing bushing is assembled and disassembled by sequential longitudinal and transverse displacements relative to the open bearing, A guide trough aligns the drum journal with the closed bearing during assembly of the drum.

REFERENCES:
patent: 1523480 (1925-01-01), Grandjean
patent: 2542868 (1951-02-01), Hart et al.
patent: 2880839 (1959-04-01), Messner et al.
patent: 4802795 (1989-02-01), Takada
"Easy Remove Patent" IBM Technical Disclosure Bulletin, vol. 21, No. 9, 2/79, pp. 3696-3697.
"Molded Platen Shaft Bearing Assembly for Office Printers and Typewriters", IBM Tech. Discl. Bulletin, vol. 25, No. 71, 12/82, pp. 3863-3864.
"Automated Assembly Clip" IBM Technical Disclosure Bulletin vol. 27, No. 12, 5/85, pp. 6820-6821.
"Securing Element for Axles and Shafts" IBM Technical Disclosure Bulletin, vol. 27, No. 12, 5/85, p. 7063.

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