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.

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bell crank British  

noun

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

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Other Word Forms

Derived Forms

• bell-cranked
  adjective

Etymology

Origin of bell crank

First recorded in 1880–85

Example Sentences

Throwing reverse lever in mid-gear will help to get bell crank in position to block.

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

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

From Mechanical Drawing Self-Taught by Rose, Joshua

When the piston reaches the bottom of its power stroke, the exhaust valve is lifted by means of the bell crank which is rocked because of the point or lift on the cam.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

Q. If the horizontal arm of bell crank should break?

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

Q. If horizontal arm of bell crank fails?

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