Length-adjustable shaft
AssigneeVoith Patent GmbH
InventorsFrank Starbatty, Herbert Richter
Life of this patent
Estimating the term…
Abstract
A length-adjustable shaft comprises an outer sleeve-shaped axial part; an inner axial part which can be pushed into and deployed out of the outer axial part in a telescopic fashion and which encloses a buffer chamber; having a bearing which is arranged between the two axial parts and which can be lubricated with a lubricant; that end of the inner axial part which can be pushed into the outer axial part has an end wall; a ventilation opening is provided which connects, in a conducting fashion, the buffer chamber to the cavity which is enclosed by the outer axial part, and the ventilation opening comprises at least one bore which is offset with respect to the rotational axis of the shaft.
Claims14
A length-adjustable shaft, comprising:
- an outer sleeve-like axial part;
- an inner axial part which can be slid in a telescopic fashion into the outer axial part and be extended from the outer axial part, and which encompasses a buffer space;
- with a bearing which is arranged between the two axial parts and can be lubricated with a lubricant;
- the end of the inner axial part which can be slid into the outer axial part has a face wall;
- a vent opening is provided which conductively connects the buffer space with the cavity enclosed by the outer axial part, and the vent opening is provided in the front wall of the inner axial part;
- characterized by the following features:
- the vent opening comprises at least one axial bore, where the axial bore is offset against the rotational axis of the shaft.
Dependencies are inferred from the claim text.