tumbler gear

noun

, Machinery.

1. a transmission having gears actuated by a tumbler.

tumbler gear

noun

1. a train of gears in which the gear-selection mechanism is operated by tumblers

Example Sentences

Then the clattering of iron links, as the cables were ranged for letting go, was followed by a whoop of interest, and the ex-salesman popped into sight in the bows, deep in an examination of the tumbler gear that released the big anchors.

From Project Gutenberg