Ford Typewriter Ford Typewriter The Ford typewriter was an early prototype typewriter introduced in 1895 by Eugene A. Ford, who later became chief development engineer at IBM (no relation to Henry Ford who founded the Ford Motor Company). It was a commercial failure and only a few were manufactured. Unlike many competing typewriters of this time, it was a forward-striking machine, meaning the hammer struck forward against the paper which was held against the platen roller, instead of up from underneath. This allowed the typist to see the text as it was typed, which was not possible in most other typewriters of
Roller screw to accommodate the full extent of screw shaft travel. The threaded portion of the screw shaft is limited to the threaded length of the rollers. The non-threaded portion of the screw shaft can be a smooth or non-cylindrical shape. The ring gear is replaced by gear teeth above and below the threaded portion of the screw shaft. Aside from the inversion of the relationship of rollers to nut and screw, the configuration and relationships of inverted roller screws match those of standard roller screws. The recirculating type of planetary roller screw is also known as a recycling roller screw. A