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Timmis was an innovative design of double coiled springs, originally used for railway rolling stock, such as on the
Timmis was an innovative design of double coiled springs, originally used for railway rolling stock, such as on the Barsi Light Railway
Barsi Light Railway (BLR) was a long, narrow-gauge railway between Miraj and Latur in the state of Maharashtra in India. It was designed by British engineer Everard Calthrop, and regarded as having revolutionised narrow-gauge railway con ...
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
A bogie ( ) (or truck in North American English) comprises two or more Wheelset (rail transport), wheelsets (two Railroad wheel, wheels on an axle), in a frame, attached under a vehicle by a pivot. Bogies take various forms in various modes ...
as used with railway rolling stock.
* Coil spring
A tension coil spring
A coil spring is a mechanical device that typically is used to store energy and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. It is made of an elastic material formed into the ...
* Leaf spring
A leaf spring is a simple form of spring (device), spring commonly used for suspension (vehicle), suspension in wheeled vehicles. Originally called a ''laminated'' or ''carriage spring'', and sometimes referred to as a semi-elliptical spring, e ...
- an older and simpler system of springs
References
1890 introductions Automotive suspension technologies English inventions Springs (mechanical) {{rail-transport-stub