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2. Master link - Wikipedia

   en.wikipedia.org/wiki/Master_link

   A master link or quick-release link is a roller chain accessory that allows convenient connection and disconnection of a chain without the need for a chain tool. [1] It acts as a set of the chain's outer plates, so joining two sets of the chain's inner plate ends. Such master links may or may not be re-usable. [2] A chain tool is nonetheless ...

3. Linkage (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Linkage_(mechanical)

   A simple open chain consists of n moving links connected end to end by j joints, with one end connected to a ground link. Thus, in this case N = j + 1 and the mobility of the chain is = = . For a simple closed chain, n moving links are connected end-to-end by n+1 joints such that the two ends are connected to the ground link forming a

4. Four-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Four-bar_linkage

   A link connecting to two other links is called a floating link or coupler. A coupler connecting a crank and a slider in a single slider crank mechanism is often called a connecting rod, however, it has also been used to refer to any type of coupler. There are three basic types of planar four-bar linkage, depending on the use of revolute or ...

5. Roller chain - Wikipedia

   en.wikipedia.org/wiki/Roller_chain

   1 ⁄ 2: 1: 8 ⁄ 8: 80: 5 ⁄ 8: Notes: *The pitch is the distance between roller centers. The width is the distance between the link plates (i.e. slightly more than the roller width to allow for clearance). *The right-hand digit of the standard denotes 0 = normal chain, 1 = lightweight chain, 5 = rollerless bushing chain.

6. Bicycle chain - Wikipedia

   en.wikipedia.org/wiki/Bicycle_chain

   Because the spacing from link to link on a worn chain is longer than the 1 ⁄ 2 inch (12.7 mm) specification, those links will not precisely fit the spaces between teeth on the sprockets. This can result in increased wear on the sprockets, and possibly "chain skip" on derailleur drivetrains, in which pedalling tension causes the chain to slide ...

7. Chain - Wikipedia

   en.wikipedia.org/wiki/Chain

   A common metal short-link chain Roller chains. A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension. A chain may consist of two or more links.