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Dictionary of automotive terms. 2015.
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spacer — [1] A component which moves two items further apart. Sometimes it is just a washer and at others it is a metal or plastic cylinder or a block of rubber or plastic. [2] A band on demountable rims which fits between two rims in dual mounting to… … Dictionary of automotive terms
spacer ring — See expander spacer … Dictionary of automotive terms
Orthodontic spacer — File:Spacers.jpg The Wikipede edits Spacers. Orthodontic separators (commonly known as spacers) are rubber bands or metal appliances used in orthodontics. Spacers are placed between the molars at the second orthodontic appointment, before a… … Wikipedia
Piston ring — A piston ring is an open ended ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The three main functions of piston rings in reciprocating engines are:# … Wikipedia
Headset (bicycle part) — The headset is the set of components on a bicycle which provide a rotatable interface between the bicycle fork and the bicycle frame itself. The short tube through which the steerer of the fork passes is called the head tube. A typical headset… … Wikipedia
ring — A circular piece or band of metal. See balk ring blocking ring chainring chrome ring compression ring control ring D ring D ring dykes ring fire ring … Dictionary of automotive terms
