cotter pin

cotter pin
A type of split pin used to safely secure a castle nut or a clevis pin. It is formed by doubling a piece of wire, semicircular in cross section, to form a loop at one end. After insertion in a hole or a slot in a nut and through mating crosswise holes in a bolt, the ends of the pins are bent to hold them in place. This fastener is widely used in locations where service inspection is difficult and failure would be disastrous. They are also used to prevent relative motion or sliding. Also called a cotter key.

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  • Cotter pin — can mean: In USA usage: A split pin, a metal fastener with two tines that are bent during installation used to fasten metal together, like with a staple or rivet Hairpin cotter pin, more commonly known as an R clip Bowtie cotter pin, a vibration… …   Wikipedia

  • cotter pin — n. a split pin used as a cotter, fastened in place by spreading apart its ends after it is inserted …   English World dictionary

  • cotter pin — ► NOUN 1) a metal pin used to fasten two parts of a mechanism together. 2) a split pin that is opened out after being passed through a hole. ORIGIN of unknown origin …   English terms dictionary

  • cotter pin — vielokaištis statusas T sritis automatika atitikmenys: angl. cotter pin vok. Splint, m rus. шплинт, m pranc. goupille fendue …   Automatikos terminų žodynas

  • cotter pin — pin with a split end which is spread after insertion through a hole …   English contemporary dictionary

  • cotter-pin — cottˈer pin noun A pin for keeping a cotter in place • • • Main Entry: ↑cotter …   Useful english dictionary

  • cotter pin — /ˈkɒtə pɪn/ (say kotuh pin) noun a cotter having a split end which is spread after being pushed through a hole, to prevent the cotter from working loose …  

  • cotter pin — noun a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart (Freq. 1) • Hypernyms: ↑cotter, ↑cottar …   Useful english dictionary

  • cotter pin — cot′ter pin n. mac a cotter having a split end that is spread after being pushed through a hole to prevent it from working loose • Etymology: 1890–95 …   From formal English to slang

  • cotter pin — noun a metal pin used to fasten two parts of a mechanism together. ↘a split pin that is opened out after being passed through a hole. Origin C17: of unknown origin …   English new terms dictionary

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