Toothed Wheel (Noun)
Meaning
A wheel with teeth for making a row of perforations.
Classification
Nouns denoting man-made objects.
Examples
- The toothed wheel is used in machines that require an intermittent or step-by-step motion, often with equal periods of rest and action.
- In the early days of filming, movie cameras used a toothed wheel to advance the film frame by frame.
- The office worker stood in line, carefully loading the reams of paper into the cardboard perforator which used a toothed wheel to punch out the holes.
- A century ago during the industrial revolution similar equipment was already being used to make this function commercially viable using toothed wheels to make a row of perforations.
- Using the machine's toothed wheel the woman carefully made a single row of perforations along the edge of the metal sheet.