"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
|5199804||Quiet impact printer mechanism|
An improved quiet impact printer mechanism for use with a typewriter or printer which includes a print hammer having a significant mass for impacting a character pad against an ink ribbon, paper and a platen. A first embodiment has a drive means providing...
|4046245||Carriage stabilization means for a serial printer|
A stabilization means for reducing the position excursions of the carriage of a serial impact printer during the printing operation. The stabilization means comprises at least two support members with at least one support member being mounted to each side...
|3967715||Intermittent drive system for typewriters|
An intermittent drive for a single-element printing typewriter, calculator or similar machine. The drive comprises a drive shaft couplable via a cycle clutch to a driven shaft and a governor disposed on the driven shaft to couple it with and maintain it a...