COIL SPRING FOR RESILIENT UNIT

A single, continuous coiled spring, generally at 400, is formed into two distinct spring portions 400A and 400B, of generally constant pitch, separated by a transition portion 450 approximately half-way along the spring 400. The transition portion 450 comprises at least one turn which is of a reduce...

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Bibliographic Details
Main Author SPINKS, Simon
Format Patent
LanguageEnglish
French
Published 19.10.2023
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Summary:A single, continuous coiled spring, generally at 400, is formed into two distinct spring portions 400A and 400B, of generally constant pitch, separated by a transition portion 450 approximately half-way along the spring 400. The transition portion 450 comprises at least one turn which is of a reduced pitch in the example, but which may be of a zero pitch or even a negative pitch. The spring is encased in a continuous pocket P. In this case, the transition portion 450 includes a substantially flat turn. The spring portions 400A and 400B comprise a common portion of spring material in this case spring wire and the coils are substantially continuous throughout the overall spring 400. Un ressort hélicoïdal continu unique, généralement 400, est formé en deux parties de ressort distinctes 400A et 400B, présentant généralement un pas constant, séparées par une partie de transition 450 approximativement à mi-chemin le long du ressort 400. La partie de transition 450 comprend au moins une spire qui présente un pas réduit dans l'exemple, mais qui peut présenter un pas nul ou même un pas négatif. Le ressort est enfermé dans une poche continue P. Dans ce cas, la partie de transition 450 comprend une spire sensiblement plate. Les parties de ressort 400A et 400B comprennent une partie commune d'un matériau de ressort. Dans ce cas, un fil de ressort et les bobines sont sensiblement continus dans l'ensemble du ressort 400.
Bibliography:Application Number: WO2023GB50955