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AssigneeHutchinson
InventorsStéphane Auvray, Eric Carpentier, Patrick Clement
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The present invention relates to a flat-running device intended for being fitted on an assembly mounted on a tubeless one-piece rim for an automobile, said mounted assembly including said device, and to a method for mounting and/or removing said mounted assembly. The device according to the invention (1) includes a ring (2) with a radially internal mounting surface for the device, intended to closely match the hollow section of the rim (11), the ring having an open structure with two ends held closely facing one another by a means (5) for clamping the ring. According to the invention, at least one transverse notch (6), the two edges and the bottom of which are located under one of the ends of the ring, is formed in at least one of said side portions (3a), forming a circumferential lip which projects axially from the corresponding side wall of the ring, which includes said recess and is suitable for wedging the ring in the hollow section of the rim, such as to enable, via said notch, transverse insertion of a tool (7) such as a lever between the rim and said mounting surface in order to facilitate the operations of mounting and/or removing the device on the rim.
A run flat device configured to be fitted to a tubeless mounted assembly for a motor vehicle which comprises a one piece wheel rim with a circumferential rim well and a tire mounted on the rim, the device being configured to support the tire following a drop of inflation pressure inside the mounted assembly, this device comprising a ring which has a mounting face that is radially internal to the device and configured to espouse the axial profile of the rim well, this mounting face having two lateral portions, the ring having an open structure with two ends held facing one another close together by ring clamping means, wherein at least one transverse notch, the two edges and bottom of which are located short of one of the ring ends, is formed in at least one of said lateral portions), which lateral portion(s) form(s) a circumferential notched lip that projects axially with respect to the corresponding side wall of the ring, that exhibits said at least one notch and that is configured to wedge the ring in the rim well, so as to allow a lever type tool to be inserted transversely via this notch between the rim and this mounting face to assist with the operations of mounting the device on the rim and/or removing it therefrom.
Dependencies are inferred from the claim text.