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bell crank
noun
- 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
- engineering a lever with two arms having a common fulcrum at their junction
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Other Words From
- bell-cranked adjective
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Word History and Origins
Origin of bell crank1
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Example Sentences
In this groove is a steel roller upon a pin attached to the bell crank operating the main valve stem.
What is to be done should the vertical arm or bell crank break?
Referring to Fig. 23, A is a bell-crank which turns loosely upon the valve stem V.
When in operation, the bell-crank is rotated in the direction of the arrow by the action of the wrist-plate and connecting-rod.
This in turn operates the lever L through rod R and a bell-crank attachment, as shown in the right-hand view.
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