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US 5,493,930 AGranted
Toothed gearwheel with centrifugal force lubrication
AssigneeMetabowerke GmbH
InventorAlbrecht Schnizler
Life of this patent
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Abstract
A gearwheel has a coaxial trough which is closed by a first lid to form an inner storage chamber for grease and is also closed by a second lid to form an outer storage chamber. The circumferential surfaces of the first and second lids sealingly adjoin the outer wall of the coaxial trough and each of the lids has a narrow groove for controlled metering of the grease.
Claims14
A toothed gearwheel comprising:
- a cylindrical disk having an axis, a first face, a second face and a peripheral surface with a plurality of gearteeth formed on said peripheral surface;
- a coaxial trough formed in said first face, with said trough having an intermediate portion and an outer portion;
- a first lid member disposed in said intermediate portion of said trough and closing a portion of said trough to form an inner storage chamber;
- a second lid member disposed in said outer portion of said trough and closing said outer portion of said trough to form an outer storage chamber;
- a first groove portion formed in said first lid member with said first groove portion communicating between said inner storage chamber and said outer storage chamber;
- a second groove portion formed in said second lid member, with said second groove portion communicating between said outer storage chamber and said first face of said disk, and wherein said first groove portion and said second groove portion each have an outlet opening, and wherein said first lid member and said second lid member each fit tightly in said coaxial trough.
3 more elements
Dependencies are inferred from the claim text.