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US 6,241,257 B1Granted
Fastening device for belt pulleys
AssigneeSKF GmbH
InventorsHelmut Hauck, Deiter Plössl, Robert Stolz, Bettina Stoyke
Life of this patent
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Abstract
The combination comprising, a bearing housed in a belt pulley, a sealing disk covering the bearing clamped between the head of a screw and the inner ring of the roller bearing, means attaching said sealing disk 4 directly to the inner ring axially and radially and including projections 13, 14 extending into the bore of the inner ring to secure the screw 3 for transport.
Claims2
The combination comprising:
- a bearing (1) having an inner ring and an outer ring housed in a belt pulley;
- a sealing disk (4) covering the bearing clamped between the head of a screw (3) and the inner ring of the bearing, means attaching said sealing disk directly to the inner ring axially and radially and projections (12,15) on the shaft of the screw underlying an edge of the disk (4) to secure the screw (3) to the disk (4) whereby the bearing (1), disk (4) and screw (3) form a unitary assembly for transport;
- the sealing disk (4) has a sleeve-like stamped section (6), which is pressed into the bore of the inner ring, and locking sections (13, 14), formed on the disk, which extend essentially in the radial direction, the edge areas of these locking sections cooperating with the radial projections (12) on the shaft (11) of the screw (3) to form a positive interlock, which prevents the screw (3) from falling out in the axial direction.
The combination comprising:
- a bearing (1) having an inner ring and an outer ring housed in a belt pulley;
- a sealing disk (4) covering the bearing clamped between the head of a screw (3) and the inner ring of the bearing, means attaching said sealing disk directly to the inner ring axially and radially and projections (12,15) on the shaft of the screw underlying an edge of the disk (4) to secure the screw (3) to the disk (4) whereby the bearing (1), disk (4) and screw (3) form a unitary assembly for transport;
- the sealing disk has a locking section designed as elastic tongues (14), which are distributed around the periphery and which engage behind projections (15) on the shaft (11) of the screw (3).
Dependencies are inferred from the claim text.