Items marked by the "gearless transmission" tag:

Much like modern automotive trend on shifting from with manual transmissions to more confortable automatics, in the first decade of the last century there was a demand for a semi-automatic transmission that operated without the driver involvement. And automotive engineers of that time had some interesting engineering solutions to offer.

Automotive engineers have always been involved in a constant search for an innovative solution that can solve the problem of varying the gear between the driving and the driven members in a vehicle automatically and in an infinite number of different ratios. Long before the arrival of continuously variable transmissions (CVTs), engineers had something to offer in this field.