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2. Saw chain - Wikipedia

   en.wikipedia.org/wiki/Saw_chain

   The saw chain, or cutting chain, is a key component of a chainsaw. It consists of steel links held together by rivets , and superficially resembles the bicycle -style roller chain , although it is closer in design to a leaf chain.

3. Husqvarna Group - Wikipedia

   en.wikipedia.org/wiki/Husqvarna_Group

   Husqvarna's first titles in Motocross World Championship came in 1959 and 1960. The operation was divested in 1987 and since 2013 is part of the KTM family. 1919 – Lawn mowers When Husqvarna acquired Norrahammars Bruk in 1918, the product range expanded to heating boilers and lawn mowers. The first test with a lawn mower powered by an engine ...

4. Chainsaw - Wikipedia

   en.wikipedia.org/wiki/Chainsaw

   Lack of chain oil, or using an oil of incorrect viscosity, is a common source of damage to chainsaws, and tends to lead to rapid wear of the bar, or the chain seizing or coming off the bar. In addition to being quite thick, chain oil is particularly sticky (due to "tackifier" additives) to reduce the amount thrown off the chain. Although motor ...

5. Bar-link chain - Wikipedia

   en.wikipedia.org/wiki/Bar-link_chain

   Top view of a segment from a "bar-link" bicycle chain. Bicycle chain of the bar-link or block chain type on safety bicycle in a vintage (c1900) photograph. A bar-link chain, also called a block-and-bar chain or a block chain, is a mechanical drive chain. It is composed of side plates, where each plate straddles one end of a block and is ...

6. Six-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Six-bar_linkage

   Six-bar linkage from Kinematics of Machinery, 1876. In mechanics, a six-bar linkage is a mechanism with one degree of freedom that is constructed from six links and seven joints. [1] An example is the Klann linkage used to drive the legs of a walking machine. In general, each joint of a linkage connects two links, and a binary link supports two ...

7. Four-bar linkage - Wikipedia

   en.wikipedia.org/wiki/Four-bar_linkage

   In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed-chain movable linkage. It consists of four bodies, called bars or links, connected in a loop by four joints. Generally, the joints are configured so the links move in parallel planes, and the assembly is called a planar four-bar linkage. Spherical and ...