B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
197/75
B41J 1/32 (2006.01) B41J 7/94 (2006.01)
Patent
CA 1138802
D-LE9-80-005 Abstract of the Disclosure A single print element of a typewriter has the characters thereon impact a record sheet at one of two velocities depending on the area of coverage of the character. Each character on the print element is selected for printing by movement of one of a plurality of interposers with each interposer selecting two characters. One of the two characters is selected by movement of the interposer when a pair of operatively connected shift layers is not depressed while the other of the characters is selected by the same interposer when the shift levers are depressed. A vane, which extends between the shift layers and is pivotally connected thereto, is disposed in the path of movement of all of the interposers. The vane has an opening for each interposer when the print element is to impact the record sheet at the higher velocity so that the vane is not engaged by the interposer during movement of the interposer. If the print element is to strike the record sheet at the lower velocity, then the vane has a portion for engagement by the moving interposer. The vane has a first group of openings and portions for cooperation with the interposers when the shift layers are not depressed and a second group of openings and portions for cooperation with the interposers when the shift levers are depressed. When the vane is engaged, the print element strikes the record sheet at the lower velocity.
379179
International Business Machines Corporation
Kerr Alexander
LandOfFree
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