Reinforced disk springs

Details Reinforced disk springs Reinforced disk springs

1975-07-22

1977-06-07

Marbert, James B.

Spring devices

Fibrous

267149, 267161, F16F 1300

Patent

active

040278654

ABSTRACT:
A disk spring also known as a Belleville spring is used for applications where stiffness of the spring is an essential requirement and where the usual disk springs made of metal cannot be used or are impractical to use. The disk spring of the invention consists of a body having the shape of a conical shell of elastically deformable material, such as plastic resin, and reinforcing elements within the shell to establish directed resistance to specific deformations occurring in the disk spring when axially loaded.
In preferred embodiments of the invention, the reinforcing elements have the shape of bodies of rotation designed and positioned within the shell in configurations chosen to satisfy specific requirements of particular practical applications. The stiffness, the spring constant and the load carrying capacity which can be achieved are considerably higher than are obtainable with customary glass fiber reinforced plastic disk springs. The disk springs of the invention may be made of electrically insulating materials, and if so, they are excellantly suited for applications requiring such characteristics.

REFERENCES:
patent: 3682466 (1972-08-01), Hachette
patent: 3700535 (1972-10-01), McCoy et al.
patent: 3784441 (1974-01-01), Kaempen
patent: 3844545 (1974-10-01), Pershin et al.
patent: 3892398 (1975-07-01), Marsh

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