arc-boutement

French

Arc-boutement.

Etymology

From arc-bouter (“to buttress”) +‎ -ment.

Pronunciation

• IPA^(key): /aʁk.but.mɑ̃/

Noun

arc-boutement m (plural arc-boutements)

1. (mechanical engineering) load amplied on a slide joint, parallel to the sliding axis but with a lever arm, so that the resulting torque blocks the system and prevents the sliding. This phenomenon is due to friction, and can be used by purpose, e.g. for an F-clamp or a roller freewheel. Over-centering, over-center locking, more than acceptable edge loading

Related terms

• arc-boutant
• arc-bouter

Further reading

• “arc-boutement”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.