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US 12,378,096 B2Granted
Roller for elevator door hangers comprising at least one insert
AssigneeWittur Holding GmbH
InventorFulvio Pellicioli
Life of this patent
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Abstract
A roller (1) for elevator door hangers, comprising: a roller body (2) rotatable around a central rotation axis (X), said roller body (2) having an outer groove (4) destined to move along a guide rail, at least one insert (5) embedded within the roller body (2) and arranged below said groove (4).
Claims10
A roller (1) for elevator door hangers, comprising:
- a roller body (2) rotatable around a central rotation axis (X), said roller body (2) having an outer groove (4) destined to move along a guide rail;
- at least one insert (5) embedded within the roller body (2) and arranged below said groove (4),
- said at least one insert (5) being arranged below the groove (4) at a first predetermined distance from a lateral surface (2c) of the roller body (2),
- characterized in that the roller (1) comprises a further insert (15) embedded and arranged below said groove (4) at a second predetermined distance from the lateral surface (2c) of the roller body (2), said second predetermined distance being different from the first predetermined distance.
1 more element
Dependencies are inferred from the claim text.