Freewheel assembly having a deep-drawn flange
OwnerAlexander Reimcheninventor
Life of this patent
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Abstract
A freewheel assembly includes a central axis of rotation, a single-piece flange formed by deep drawing, and a freewheel unit. The single-piece flange includes a sleeve portion, a disk portion protruding radially outward from the sleeve portion, and a centering collar. The disk portion includes a first end face and the centering collar is formed on the first end face. The freewheel unit includes an outer ring fastened to the sleeve portion by press fitting, and a plurality of rolling elements accommodated within the outer ring. The outer ring includes a plurality of clamping ramps, and each one of the plurality of rolling elements cooperates with a one of the plurality of clamping ramps.
Claims11
A freewheel assembly comprising:
- a central axis of rotation;
- a single-piece flange formed by deep-drawing, the single-piece flange comprising:
- a sleeve portion;
- a disk portion protruding radially outward from the sleeve portion, the disk portion comprising a first end face;
- and
- a centering collar formed on the first end face, the centering collar forming a bearing surface pointing radially outward;
- a freewheel unit comprising:
- an outer ring fastened to the sleeve portion by press fitting, the outer ring comprising a plurality of clamping ramps;
- and
- a plurality of rolling elements accommodated within the outer ring, each one of the plurality of rolling elements cooperating with a one of the plurality of clamping ramps.
A freewheel assembly comprising:
- a central axis of rotation;
- a single-piece flange formed by deep-drawing, the single-piece flange comprising:
- a sleeve portion;
- a disk portion protruding radially outward from the sleeve portion, the disk portion comprising a first end face;
- a centering collar formed on the first end face;
- a second end face facing away from the first end face;
- and
- a circumferential groove impressed on the second end face;
- a freewheel unit comprising:
- an outer ring fastened to the sleeve portion by press fitting, the outer ring comprising a plurality of clamping ramps;
- and
- a plurality of rolling elements accommodated within the outer ring, each one of the plurality of rolling elements cooperating with a one of the plurality of clamping ramps.
A freewheel assembly comprising:
- a central axis of rotation;
- a single-piece flange formed by deep-drawing, the single-piece flange comprising:
- a sleeve portion;
- a disk portion protruding radially outward from the sleeve portion, the disk portion comprising a first end face;
- and
- a centering collar formed on the first end face;
- a freewheel unit comprising:
- an outer ring fastened to the sleeve portion by press fitting, the outer ring comprising a plurality of clamping ramps;
- and
- a plurality of rolling elements accommodated within the outer ring, each one of the plurality of rolling elements cooperating with a one of the plurality of clamping ramps, wherein a sleeve portion outer diameter is smaller than a centering collar outer diameter.
Dependencies are inferred from the claim text.