sprocket

• Nom désignant une roue ou un cylindre denté qui s'engrène avec une chaîne, un film ou une bande pour transmettre le mouvement ou faire avancer un matériau.

A noun referring to a toothed wheel or roller that engages with a chain, film, or paper to transmit motion or advance material.

1. Toothed wheel for film or paperB2formaltechnical

   A roller with teeth on its rim that engages with perforations to pull film, paper, or tape through a machine.

   roue dentée d'entraînement

   • The film projector's sprocket pulled the movie strip smoothly.
   • A broken sprocket caused the paper to jam in the printer.
   • The camera's sprocket mechanism advances the film after each shot.

2. Chain wheelB1formaltechnical

   A thin wheel with teeth that fit into the links of a chain, used to transmit power in machinery or bicycles.

   roue à chaîne

   • The bicycle chain slipped off the front sprocket.
   • He replaced the worn sprocket on his motorcycle.
   • The engine's sprocket drives the conveyor belt.

   Synonymescogwheelgear wheelsprocket wheel

3. Gear toothB2formaltechnical

   One of the individual teeth on the rim of a gear wheel that meshes with another gear or chain.

   Dent de pignon

   • A broken sprocket tooth caused the gear to skip.
   • Each sprocket on the gear wheel must be precisely machined.
   • The mechanic inspected the sprocket teeth for wear.

   Synonymescogtooth