Tension roller for a belt drive of an internal combustion engine
AssigneeAktiebolaget Skf
InventorsRomuald Lescorail, Nicolas Tronquoy
Life of this patent
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Abstract
A tension roller or tensioner for a belt drive of an internal combustion engine comprises a pulley (10); at least one rolling bearing (18) comprising an inner race (20) and an outer race (22), the bearing being mounted in the pulley (10); a spacer (12) having a central bore (14) and a shoulder (16) supporting the inner race (20) radially and axially; a screw (24) arranged in the central bore (14) of the spacer (12); an elastic cup (26) for securing the screw (24) in the central bore (14) of the spacer (12) during transport; and a means for sealing the rolling bearing (18) during use. It is proposed that the one means for sealing the rolling bearing (18) comprise at least one seal integrated into the rolling bearing (18).
Claims6
A tension roller for a belt drive of an internal combustion engine, comprising:
- a pulley;
- at least one rolling bearing having an inner race and an outer race, the bearing being mounted in the pulley;
- a spacer having a central bore and a shoulder supporting the inner race radially and axially;
- a screw arranged in the central bore of the spacer;
- an elastic cup for securing the screw in the central bore of the spacer during transport;
- and
- a means for sealing the rolling bearing during use;
- wherein
- the means for sealing the rolling bearing provides at least one seal integrated into the rolling bearing.
Dependencies are inferred from the claim text.