Sheet conveying device with axially disengaged transmitter of re

Details Sheet conveying device with axially disengaged transmitter of re Sheet conveying device with axially disengaged transmitter of re

1990-01-29

1990-12-11

Wiecking, David A.

Typewriting machines

For line-spacing by incremental rotation of platen

By irregular increments of platen rotation

400567, 400568, B41J 1978

Patent

active

049765574

ABSTRACT:
A sheet conveying device provided with a detent mechanism and capable of effecting automatic feeding of the shet by the use of a drive source and also capable of effecting feeding of the sheet by manual operation, the sheet conveying device including a rotational member for conveying a sheet, a drive source for driving the rotational member, a drive transmitting device for transmitting the drive force of the drive source to the rotational member to rotate the rotational member by the drive force of the drive source, a manual operating member for manually driving the rotational member, a detent device producing a rotation restraining force, a restraining force transmitting device for transmitting the restraining force from the detent device, and apparatus for connecting and disconnecting the restraining force transmitting device and the drive transmitting device.

REFERENCES:
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patent: 4195940 (1980-04-01), Rekewitz
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IBM Technical Bulletin, vol. 19, No. 8, "Stepping-Motor Stop Control" pp. 2974-2975.
IBM Technical Bulletin, vol. 17, No. 4 "Electromechanical Variable-Index System", pp. 959-960.

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