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US 2020/0070882 A1Published application
Intermediate Steering Shaft for a Motor Vehicle
AssigneeRobert Bosch GmbH
InventorsMark Laszlo, Olivér Abonyi, Istvan Polacsek
Life of this patent
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Abstract
An intermediate steering shaft for a motor vehicle includes a profile element inserted into a hollow profile shaft to form a circulating device. The profile element includes a second peripheral track segment associated, respectively, to a plurality of guide arrangements.
Claims12
An intermediate steering shaft for a motor vehicle the intermediate steering shaft comprising:
- an outer hollow shaft including an inner surface;
- an inner hollow shaft positioned at least partially in the outer hollow shaft;
- a hollow profiled shaft positioned in the outer hollow shaft and connected rotationally conjointly to the inner hollow shaft;
- a plurality of guide arrangements configured to (i) guide the hollow profiled shaft in an axial direction in the outer hollow shaft and (ii) transmit a torque of the outer hollow shaft to the hollow profiled shaft, each of the plurality of guide arrangements including:
- a respective guide mechanism positioned on an outer surface of the hollow profiled shaft;
- and
- a respective plurality of balls;
- and
- a profile element inserted into the hollow profiled shaft so as to form a circulation device, wherein:
- the circulation device includes a closed circulation track, and is configured to guide the multiplicity respective plurality of balls of each of the plurality of guide arrangements in an endless series in the closed circulation track
- the closed circulation track has:
- a respective first circulation track portion assigned to each guide arrangement, the respective first circulation track portion arranged such that the respective plurality of balls, when in the respective first circulation track portion, is located between the respective guide mechanism and the inner surface of the outer hollow shaft;
- and
- the profiled element includes a respective second circulation track portion of the closed circulation track that is assigned to each guide arrangement.
11 more elements
Dependencies are inferred from the claim text.