Roller shoes in modular-belt conveyors
First Claim
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1. A shoe for bearing against the outer surface of a moving conveyor belt, the shoe comprising:
- a body comprising a base and an opposite convex outer face extending from a first end to a second end of the body in a direction of conveyor belt travel and laterally from a first side to a second side of the body;
at least one roller rotatably mounted at the outer face of the body to rotate by contact with the outer surface of a conveyor belt traveling along the outer face of the body in the direction of conveyor belt travel.
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Abstract
Roller return and holddown shoes for a modular-belt conveyor. The shoes have a body that extends in height from a base to a convex outer face. Cavities in the body open onto the base and the outer face. Rollers rotatably received in the cavities have salient portions protruding past the outer face of the shoe to bear in rolling contact against the outer surface of a belt draped over the shoe. Optional edge guides upstanding from the outer face of the shoe may be used to restrain the side edge of a belt supported on the shoe and prevent the belt from wandering laterally.
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Citations
19 Claims
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1. A shoe for bearing against the outer surface of a moving conveyor belt, the shoe comprising:
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a body comprising a base and an opposite convex outer face extending from a first end to a second end of the body in a direction of conveyor belt travel and laterally from a first side to a second side of the body; at least one roller rotatably mounted at the outer face of the body to rotate by contact with the outer surface of a conveyor belt traveling along the outer face of the body in the direction of conveyor belt travel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A shoe for bearing against a conveyor belt, the shoe comprising:
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a body comprising a base and an opposite outer face extending from a first end to a second end of the body in a direction of conveyor belt travel and laterally from a first side to a second side of the body; at least one roller rotatably mounted at the outer face of the body to rotate by contact with a conveyor belt traveling along the outer face of the body in the direction of conveyor belt travel; a wall along the first side of the body extending beyond the outer face; wherein the outer face is a portion of an arc of a circular cylinder having a first radius and wherein the wall has an outer edge that is a portion of an arc of a coaxial circular cylinder having a second radius greater than the first radius.
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12. A shoe for bearing against a conveyor belt, the shoe comprising:
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a body having a base and an opposite convex outer face, a first end and a second end, and a first side and a second side, the body extending in height from the base to the opposite outer face, in length from the first end to the second end, and in width from the first side to the second side, and having one or more cavities formed in the shoe opening onto the outer face; a roller rotatably disposed in each of the cavities with a salient portion of the roller protruding beyond the outer face of the body to rotate by contact with a conveyor belt traveling along the outer face of the body from the first end to the second end. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A conveyor comprising:
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a conveyor belt in the form of an endless belt loop having an outer surface and an inner surface extending in width from a first side edge to a second side edge; a conveyor frame supporting the conveyor belt for travel along a conveying path; a shoe affixed along the conveying path and including a convex outer face and at least one roller protruding beyond the outer face into rolling contact with the outer surface of the endless belt loop. - View Dependent Claims (19)
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Specification