Idler Pulley
AssigneeMitsuboshi Belting Ltd.
InventorYuya Shioi
Life of this patent
Estimating the term…
Abstract
An idler pulley includes: a pulley including an outer cylinder portion to be in contact with a belt, a boss portion that is concentrically positioned on an inner side of the outer cylinder portion, and a connecting portion that connects a central part in a width direction of the outer cylinder portion and a central part in a width direction of the boss portion; a base to be a rotating shaft of the pulley; a bearing positioned between the pulley and the base; and a pair of dust covers provided on both side surfaces of the bearing, in which the pair of dust covers cover both the side surfaces of the bearing, an outer side of the boss portion, and an end part in the width direction of the boss portion, and the boss portion includes a recessed annular groove on an outer peripheral surface of the boss portion.
Claims4
A idler pulley comprising:
- a pulley comprising an outer cylinder portion to be in contact with a belt, a boss portion that is concentrically positioned on an inner side of the outer cylinder portion, and a connecting portion that connects a central part in a width direction of the outer cylinder portion and a central part in a width direction of the boss portion;
- a base to be a rotating shaft of the pulley;
- a bearing positioned between the pulley and the base;
- and
- a pair of dust covers provided on both side surfaces of the bearing, wherein
- the pair of dust covers cover both the side surfaces of the bearing, an outer side of the boss portion, and an end part in the width direction of the boss portion, and
- the boss portion comprises a recessed annular groove on an outer peripheral surface of the boss portion.
Dependencies are inferred from the claim text.