Whitworth Quick Return Apparatus
Product Code : EL-AMLE-10643
Quick Answer: This bench-top unit demonstrates the Whitworth mechanism, also known as the quick-return mechanism, a revolving crank slider that produces non-uniform stroke movement with slow forward movement and fast backward movement, a principle used in tools, packaging and transport machinery. The experimental unit comprises a drive disk with crank and coupling, a driving rod and a cylinder, with the angle set using the crank disk and read on an angle scale integrated into the base plate, while a millimeter-precise steel ruler attached to the cylinder measures the stroke. It has an anodized aluminum frame with panels made of painted steel, main metallic elements made of stainless steel, and two handles for easy carrying and stacking.
This is a bench-top unit. The Whitworth mechanism is also known as the quick-return mechanism; it represents a revolving crank slider and produces non-uniform stroke movement with slow forward movement and fast backward movement, and this mechanism is used in tools, packaging and transport machinery. The unit generates non-uniform stroke movement by means of a Whitworth mechanism, and the experimental unit comprises the drive disk with crank and coupling, the driving rod and the cylinder. The angle is adjusted using the crank disk, and an angle scale is integrated into the base plate; a millimeter-precise steel ruler is attached to the cylinder to measure the stroke.
The elements are mounted on a base plate, and two handles make it easy to carry and stack the unit. The frame is made of anodized aluminum, with panels made of painted steel, and the main metallic elements are made of stainless steel.
This unit is composed of:
Rotary element (crank) with a graduated disc to read the angle.
Rigid bar (connecting rod) with a millimeter scale to measure the linear motion.
Two rigid bar for transfer motion.
All axles are equipped with ball bearings.
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Last Updated: September 2026
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