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![[:en]BELL CRANK LEVER[:]](https://amescovn.com/wp-content/uploads/2021/08/HFC9_resized.jpg)
Product number: HFC9 A sturdy aluminium base frame supports a vertical pillar onto which pivots the bell crank lever. The bell crank lever contains five loadings rings into which the Load hanger can be fitted to vary the mechanical advantage of the system. A spring balance is supported horizontally at the base of the bell […]
A sturdy aluminium base frame supports a vertical pillar onto which pivots the bell crank lever. The bell crank lever contains five loadings rings into which the Load hanger can be fitted to vary the mechanical advantage of the system.
A spring balance is supported horizontally at the base of the bell crank lever, and has an adjustable mechanism to enable the datum position to be returned.
Lever mechanisms of all shapes and sizes are very common parts of machines, particularly in hand operated devices. The bell crank lever offers the typical mechanical advantage of a lever, and in addition it turns the line of action of the effort through 90°. In most cases the cranked lever would be a casting with a bushed pivot at the corner. The experimental model has been built up from plastic to simulate the real thing.
This traditional item enables the reaction force of a 90° bell crank to be measured by a spring balance when a load is applied at any of five leverage ratios.
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