Shaft bearing seal
AssigneeHilti Aktiengesellschaft
InventorsStefan Dorner, Markus Hartmann, Herbert Rehm
Life of this patent
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Abstract
A seal (2) for a bearing (6) that rotatably supports a shaft (14) extending through a housing opening (8) of a housing element (10) that limits, at least partially, a lubricant-receiving chamber (4), includes a sealing ring (26) retainable between the housing element (10) and the shaft (14) and forming together with a limiting element (28) an annular gap (30), and having aeration recesses (34) which connect the annular gap (30) with the grease-containing chamber (4).
Claims11
A seal (2) for a bearing (6) that rotatably supports a shaft (14) extending through a housing opening (8) of a housing element (10) that limits, at least partially, a lubricant-receiving chamber (4), the seal comprising a sealing disc (26) retainable between the housing element (10) and the shaft (14);
- and a limiting element (28) forming, together with sealing disc (26), an annular gap (30), the sealing disc (26) having aeration recesses (34) which connect the annular gap (30) with the lubricant-receiving chamber (4).
Dependencies are inferred from the claim text.