Apparatus for adjusting the spring characteristic of a helical s

Details Apparatus for adjusting the spring characteristic of a helical s Apparatus for adjusting the spring characteristic of a helical s

1985-05-20

1987-01-06

Butler, Douglas C.

Spring devices

Coil

Including end thrust member

267175, 267177, F16F 106, F16F 116, F02D 104

Patent

active

046341099

ABSTRACT:
An apparatus for adjusting the spring characteristic of a helical spring has a manually actuatable adjusting element, which comprises a rotational support for the windings of a spiral spring. The apparatus further has a retaining member and an arresting member for retaining and securing the adjusting element in the adjusted positions. To provide a separate adjustability of the spring pitch and the spring biasing, the retaining member and arresting member are embodied such that the adjusting tang is rotatable without its axial position being varied, and is fixable in any rotated position.

REFERENCES:
patent: 2850274 (1958-09-01), Villar
patent: 3041060 (1962-06-01), Jacobsen
patent: 3077328 (1963-02-01), Nelson
patent: 3666257 (1972-05-01), Sorteberg
patent: 4408591 (1983-10-01), Nakamura
patent: 4505241 (1985-03-01), Eheim

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