Electric bicycle drive unit fastening assembly
AssigneeSram, LLC
InventorsDietmar Greven, Kai Venhoff
Life of this patent
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AssigneeSram, LLC
InventorsDietmar Greven, Kai Venhoff
Estimating the term…
An electric bicycle drive unit mounting arrangement (50) by which a mid-motor electric drive unit (30) is floatingly attached to a drive receptacle (21) of a bicycle frame (20), wherein the drive receptacle (21) comprises two mutually parallel frame-fixed and vertical frame flanges (211, 212), wherein a drive unit housing (34) comprises two parallel and vertical housing flanges (41, 42), wherein one housing flange (41) is attached to one frame flange (211) and the other housing flange (42) is attached to the other frame flange (212), defining a flange pairing, respectively, and wherein both flange pairings comprise respectively at least one rubber mount (80) by means of which the frame flange (211, 212) is connected to the associated housing flange (41, 42) in a floating and rubber-elastic manner, so that the housing flanges (41, 42) do not bear directly against the corresponding frame flanges (211, 212) in each case, but are spaced apart from the corresponding frame flanges (211, 212) by a spacing gap (58) with a gap dimension X of at least 0.3 mm.
An electric bicycle drive unit mounting arrangement for an electric mid-motor drive unit comprising:
Dependencies are inferred from the claim text.