Hand-held power tool gearbox closure and hand-held power tool
AssigneeHilti Aktiengesellschaft
InventorOliver Ohlendorf
Life of this patent
Estimating the term…
Abstract
A hand-held tool transmission closure having a base body for closing a transmission housing opening of a transmission housing of a hand-held power tool, in particular a hammer drill or a combi-hammer, wherein the hand-held power tool transmission closure includes an air channel, through which air is able to flow into and out of the transmission housing, and wherein the hand-held power tool transmission closure includes a pressure valve arranged in the air channel, via which an excess pressure occurring in the transmission housing can be reduced.
Claims13
1-10. (canceled)
A hand-held power tool gearbox closure comprising:
- a base body for closing a gearbox housing opening of a gearbox housing of a hand-held power tool;
- an air channel, an air mass capable of flowing into and out of the gearbox housing through the air channel;
- and
- a pressure valve situated in the air channel, and via which an overpressure occurring in the gearbox housing being relievable via the pressure valve.
The hand-held power tool gearbox closure as recited in claim 1 wherein the pressure valve is situated inside the hand-held power tool gearbox closure and designed as an elastic hose element, a relief of an overpressure occurring in the gearbox housing being accompanied by an elastic deformation of the hose element.
A hand-held power tool comprising:
- a gearbox housing enclosed by a power tool housing and accessible via a gearbox housing opening;
- and
- the hand-held power tool gearbox closure as recited in claim 10.
Dependencies are inferred from the claim text.