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US 4,619,548 AGranted
Telescopic shaft
AssigneeAisin Seiki Kabushiki Kaisha
InventorsKenichi Kazaoka, Masanobu Ishikawa, Masumi Nishikawa
Life of this patent
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Abstract
A telescopic shaft includes an outer shaft, a first spline on the outer shaft, an inner shaft, a second spline on the inner shaft for engagement with the first spline, a threaded nut for depressing a threaded end portion of the outer shaft against the inner shaft, and a rod with a tapered end for depressing a tapered end portion of the inner shaft against the outer shaft.
Claims10
A telescopic shaft comprising:
- an integral outer shaft, the outer shaft having an integral first inserted end portion and a second end portion;
- first spline means on the outer shaft;
- an integral inner shaft, the inner shaft having an integral first inserting end portion and a second end portion;
- second spline means on the inner shaft for engagement with the first spline means;
- first depressing means for depressing and contracting the first inserted end portion of the outer shaft against the inner shaft;
- and
- second depressing means for depressing and expanding the first inserting end portion of the inner shaft against the outer shaft, wherein the second depressing means includes a rod extending through the second end of the inner shaft, the inner shaft including an inner circumferential surface for accommodating the rod.
4 more elements
Dependencies are inferred from the claim text.