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US 12,692,905 B2Granted
Universal joint
AssigneesHyundai Motor Company, Kia Corporation
InventorsJong Min Kim, Tae Kyun Kim
Life of this patent
Estimating the term…
Abstract
A universal joint configured to reduce the steering friction by decreasing the bending torque of a yoke. The universal joint includes a body portion formed at one end of a yoke for a shaft to be coupled thereto, a wing portion formed at the other end of the yoke for a bearing to be pressed thereinto, and a rigidity-weakening portion formed in a shape of a reduced cross-sectional area in a portion extending from the body portion to the wing portion.
Claims8
A universal joint comprising:
- a body portion formed at a first end of a yoke for a shaft to be coupled thereto;
- a wing portion formed at a second end of the yoke for a bearing to be pressed thereinto;
- and
- a rigidity-weakening portion formed in a portion extending from the body portion to the wing portion and having a reduced cross-sectional area,
- wherein the rigidity-weakening portion is formed in a shape extended from the body portion to the wing portion and having a concave outer surface,
- wherein a slit is formed in a radial direction of a shaft hole formed in the body portion,
- wherein the slit is formed between rigidity-weakening portions, and
- wherein a hollow portion side end of the slit is positioned at a least thick portion of the rigidity-weakening portion.
5 more elements
Dependencies are inferred from the claim text.