Axially restraining torsional spring utilizing a tapered housing

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United States of America Patent

PATENT NO 8925910
SERIAL NO

13712757

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Abstract

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A rotational and axial control spring includes a tubular casing, a shaft, and a plurality of elongated elastomeric members. The casing comprises a first end, a second end, and a plurality of interior surfaces extending therebetween defining a casing interior. The first end is smaller than the second end, forming a frustum shaped tubular casing. The cross sectional shape of the casing can include three (3) or more sides. The shaft is fabricated having a series of exterior surfaces, wherein a cross sectional shape of the shaft is similar to the cross sectional shape of the casing. The elastomeric members are formed as cylindrical frustums. The shaft is inserted within the casing interior. Each elastomeric member is positioned contacting a respective shaft exterior surface and a pair of adjacent casing interior surfaces. The elastomeric members each provide a rotational spring with adjustable resistant force and dampening functions. The tapered features provide an axial retention function.

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Patent Owner(s)

Patent OwnerAddress
AKTIEBOLAGET SKFGOTHENBURG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
George, Jeffrey L Saint Charles, US 6 9

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