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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
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
Everard Richard Calthrop (3 March 1857 – 30 March 1927) was a British railway engineer and inventor. Calthrop was a notable promoter and builder of narrow-gauge railways, especially of narrow gauge, and was especially prominent in India. His ...
(1857–1927).
Inventor
The inventor was Illius Augustus TimmisPatent
US Patent 432341 was filled in 1889 and published in 1890.See also
* Bogie as used with railway rolling stock. *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 Fib ...
* 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, i ...
- an older and simpler system of springs
References
1890 introductions Automotive suspension technologies English inventions Springs (mechanical) {{rail-transport-stub