bell crank

American  

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 British  

noun

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

---

Other Word Forms

• bell-cranked adjective

Etymology

Origin of bell crank

First recorded in 1880–85

Example Sentences

Q. If horizontal arm of bell crank fails?

From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous

This engagement is effected by means of a bell crank k, operated by a shipper rod k1 on which adjustable dogs are placed, arranged to be operated by the cutter slide f.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The ash pan is provided with two dampers, one at each end, and the front one is operated by the bell crank a c.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

If break is near the top and below the jaw, first block the bell crank and wire the connection rod fast to radius bars.

From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous

The lower end of the shaft d is connected with a bell crank, f′, which, in turn, is connected by a rod, k l, with the valve i.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua