friction drive

noun

, Automotive.

1. a power transmission system utilizing a set of friction gears so arranged that varying their positions relative to one another gives a wide range of speed ratios.

Word History and Origins

Origin of friction drive¹

First recorded in 1905–10

Example Sentences

The commonest form of "friction drive" is the flat leather belt upon two pulleys, which everyone has seen at some time or other in a factory.

From Project Gutenberg

In such a case it would be necessary to make allowance for the differential in the rear axle, so that the power developed by the engine would be delivered to the friction drive.

From Project Gutenberg

The "table" lever then operates the friction drive and raises the table filled with the boards to a vertical position.

From Project Gutenberg

If the cloth in process of being finished is for use as the backing or foundation of linoleum, it is invariably wound on to a wooden centre as it emerges from the bowls of the calender, measured as well, and the winding-on mechanism is of a friction drive somewhat similar to that mentioned in connection with the dressing machine.

From Project Gutenberg