Semi-automatic paper insertion apparatus

A semi-automatic paper insertion apparatus for a printer, a typewriter, etc. comprising a platen, a pair of pressure rollers arranged for engagement and disengagement with the platen, and a paper bail pivoted on a shaft for engagement and disengagement with the platen, the improvement wherein the semi-automatic paper insertion apparatus comprises means for bringing the pressure rollers into and out of engagement with the platen, a first lever movable in pivotal movement about a shaft and capable of occupying three different positions including a first position, a second position and a third position, and a linkage linking said means, said first lever and the paper bail to each other, said linkage being operative in such a manner that said paper bail alone is brought out of engagement with the platen when the lever is moved from the first position to the second position, that the pressure rollers are also brought out of engagement with the platen when the lever is moved from the second position to the third position, that the paper bail alone is brought into engagement with the platen when the lever is moved from the third position to the second position, and that the pressure rollers are also brought into engagement with the platen when the lever moves from the second position to the first position.