Pneumatic element for an agricultural tool comprising a rigid base
AssigneeOtico
InventorDenis PIOU
Life of this patent
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Abstract
An agricultural tool element (3) comprises a non-inflated tire (9) with a tread (9-1) and a pair of sidewalls (9-2) each connected to the tread (9-1) at a respective first end portion. The element (3) additionally comprises a rigid, generally annular base (7), by means of which the tire (9, 103) is fitted on a rotary support (2, 101) of an agricultural tool. The sidewalls (9-2) are each over-molded on a peripheral portion of the rigid base (7, 107) at a second end portion, opposite the tread (9-1).
Claims14
Agricultural tool element (3) of the type comprising a non-inflated tire (9, 103) with a tread (9-1) and a pair of sidewalls (9-2) each connected to the tread (9-1) at a respective first end portion, characterized in that the element (3) additionally comprises a rigid, generally annular base (7, 107), by means of which the tire (9, 103) is fitted on a rotary support (2, 101) of an agricultural tool, and in that the sidewalls (9-2) are each over-molded on a peripheral portion of the rigid base (7, 107) at a second end portion, opposite the tread (9-1).
Element according to one of the preceding claims, wherein the peripheral portion of the rigid base (7, 107) comprises a plurality of recesses (29), and the second end portions of the sidewalls (9-1) extend at least partly through these recesses (29).
Element according to one of the preceding claims, wherein the rigid base (7, 107) is wider than the tire (9).
Element according to one of the preceding claims, wherein the rigid base (7, 107) has an inner face (11) with a network of ribs (27, 25) which provides it with an alveolar structure.
Agricultural tool, of the type comprising at least two pneumatic elements (3) according to one of the preceding claims.
Dependencies are inferred from the claim text.