
Timmis was an innovative design of double coiled springs, originally used for railway rolling stock, such as on the
Barsi Light Railway c1889, as formulated by
Everard Calthrop (1857–1927).
Inventor
The inventor was
Illius Augustus Timmis
Patent
US Patent 432341 was filled in 1889 and published in 1890.
See also
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Bogie
A bogie ( ) (in some senses called a truck in North American English) is a chassis or framework that carries a wheelset, attached to a vehicle—a modular subassembly of wheels and axles. Bogies take various forms in various modes of tr ...
as used with railway rolling stock.
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Coil spring
A selection of conical coil springs
The most common type of spring is the coil spring, which is made out of a long piece of metal that is wound around itself.
Coil springs were in use in Roman times, evidence of this can be found in bronze Fi ...
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Leaf spring
A leaf spring is a simple form of spring commonly used for the suspension in wheeled vehicles. Originally called a ''laminated'' or ''carriage spring'', and sometimes referred to as a semi-elliptical spring, elliptical spring, or cart spring, ...
- an older and simpler system of springs
References
1890 introductions
Automotive suspension technologies
English inventions
Springs (mechanical)
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