bell crank

noun

, Machinery.

1. a lever or rocker having two arms meeting at a pivot at a right angle, used for transmitting motion between two parts meeting at an angle.

bell crank

noun

1. engineering a lever with two arms having a common fulcrum at their junction

Other Words From

• bell-cranked adjective

Word History and Origins

Origin of bell crank¹

First recorded in 1880–85

Example Sentences

In this groove is a steel roller upon a pin attached to the bell crank operating the main valve stem.

From Project Gutenberg

What is to be done should the vertical arm or bell crank break?

From Project Gutenberg

Referring to Fig. 23, A is a bell-crank which turns loosely upon the valve stem V.

From Project Gutenberg

When in operation, the bell-crank is rotated in the direction of the arrow by the action of the wrist-plate and connecting-rod.

From Project Gutenberg

This in turn operates the lever L through rod R and a bell-crank attachment, as shown in the right-hand view.

From Project Gutenberg