• A lever whose two arms form a right angle, or nearly a right angle, having its fulcrum at the apex of the angle. It is used in bell pulls and in changing the direction of bell wires at angles of rooms, etc., and also in machinery.
Found on
http://thinkexist.com/dictionary/meaning/bell_crank/
Bell' crank` A lever whose two arms form a right angle, or nearly a right angle, having its fulcrum at the apex of the angle. It is used in bell pulls and in changing the direction of bell wires at angles of rooms, etc., and also in machinery.
Found on
http://www.encyclo.co.uk/webster/B/34
In machinery, a bell-crank is a rectangular lever by which the direction of motion is changed through an angle of 90 degrees, and by which its velocity-ratio and range may be altered at pleasure by making the arms of different lengths. It is much employed in. machinery, and is named from its being the form of crank employed in changing the directio...
Found on
http://www.probertencyclopaedia.com/browse/GB.HTM
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.
Found on
https://www.infoplease.com/dictionary/bell-crank
No exact match found.
