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AssigneeRobert Bosch GmbH
InventorsGuenter Kastinger, Norbert Wegner, Alexander Dudek, Markus Petry, Ottmar Seiler
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The invention relates to a bushing (30) for a drive unit, in particular an eccentric bushing (30) for a wiper drive of a windshield wiper, having an axial mounting section (32) and a radial flange section protruding therefrom, wherein the bushing (30) can be mounted having the mounting section (32) and having the flange section in/on a component, wherein the bushing (30) has a relief channel (322, 342) such that a fluid can flow through the relief channel (322, 342) upon mounting of the bushing (30) in/on the component and/or in a mounted state on/in the component. The invention furthermore relates to a drive unit, in particular a wiper drive for a windshield wiper of a motor vehicle, having a bushing (30) according to the invention.
A wiper drive (1) for windshield wipers of a motor vehicle, comprising a housing component (1) and an eccentric bushing (3) having an axial mounting section (32) and a radial flange (34) protruding therefrom, wherein the bushing (30) is mounted in the housing component (1), characterized in that the bushing (30) has a relief channel (342) such that a fluid can flow through the relief channel (342), wherein the relief channel (342) is provided in a collar (340) of the flange section (34) facing said mounting section (32), and wherein an annular channel (344) is provided, at a transition from the flange section (34) to the mounting section (32), in one of the collar (340) and the mounting section (32), said annular channel being in fluid connection with the relief channel (342).
Dependencies are inferred from the claim text.