Adapter for a rolling assembly and rolling assembly comprising same

Patent metadata

Field	Value
Publication number	US-10953702-B2
Application number	US-201615573792-A
Country	US
Kind code	B2
Filing date	May 3, 2016
Priority date	May 12, 2015
Publication date	Mar 23, 2021
Grant date	Mar 23, 2021

Abstract

Adapter for a rolling assembly intended to be fitted to a passenger vehicle, with improved mountability and a high capacity for absorbing large deformations in the event of pinch shocks. The adapter has reinforcing element (15) of the axially outer end (9) wholly situated axially on the outside of bearing face (21) and radially on the outside of adapter seat (18), and a main reinforcement (17) having a radial superposition of at least two layers of reinforcers, the reinforcers being mutually parallel within one and the same layer and crossed with one another from one layer to the next. Each of the layers of main reinforcement (17) comprises reinforcers which make, with a circumferential direction (XX′) of the tire, an angle at least equal to 30°, and coated with a polymer material having an elastic modulus at 10% elongation at most equal to 70 MPa.

First claim

The invention claimed is:

1. A rolling assembly having an axis of rotation and comprising a tire having two beads, a rim having two rim bead seats and two adapters each configured to provide the connection between one of the beads and the rim, the adapter comprising:
an axially inner end configured to be mounted on a rim bead seat and comprising an inner reinforcing element and a substantially radial axially outer face;
an axially outer end configured to come into contact with one of the beads and comprising an outer reinforcing element and a substantially radial axially inner face or bearing face;
a substantially axial body connecting said axially outer end to said axially inner end so as to form a single piece;
said substantially axial body comprising at least a main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, the main reinforcement comprising at least one layer of mutually parallel reinforcers, each at least one layer being wound respectively around the inner reinforcing element of the axially inner end and around the outer reinforcing element of the axially outer end, and in the body, main and return portions of the at least one layer contact one another at a midpoint of the body, so as to constitute, at least at the midpoint, a radial stack of at least two reinforcing layers;
said substantially axial body comprising an adapter seat configured to receive said one of the beads and situated near the axially outer end,
wherein the reinforcing element of the axially outer end is wholly situated axially on the outside of the bearing face and radially on the outside of the adapter seat,
wherein the main reinforcement comprises a radial superposition of at least two layers of reinforcers, said reinforcers being mutually parallel within one and the same layer and crossed with one another from one layer to the next, and wherein each of the layers of the main reinforcement of said substantially axial body comprises reinforcers which make, with a circumferential direction of the tire, an angle at least equal to 30°, and coated with a polymer material having an elastic modulus at 10% elongation at most equal to 70 MPa.

2. The rolling assembly according to claim 1 , wherein the reinforcers of the layers of the main reinforcement form, with the circumferential direction of the tire, an angle at least equal to 35° and at most equal to 50°.

3. The rolling assembly according to claim 1 , wherein the reinforcers of each of the layers of the main reinforcement of said substantially axial body comprise a textile material such as an aromatic polyamide or aramid, an aliphatic polyamide or nylon, a polyester such as a polyethylene terephthalate or a polyethylene naphthenate, a polyketone or a cellulose-based textile material such as rayon.

4. The rolling assembly according to claim 3 , wherein the reinforcers of each of the layers of the main reinforcement of the body comprise a combination of at least two distinct textile materials.

5. The rolling assembly according to claim 1 , wherein the polymer material with which the reinforcers of the layers of the main reinforcement are coated is an elastomeric compound.

6. The rolling assembly according to claim 1 , said substantially axial body having an axial width L, measured between the axially inner face of the axially outer end and the axially outer face of the axially inner end, wherein the axial width L of said substantially axial body is at least equal to 2.54 cm and at most equal to 8 cm.

7. The rolling assembly according to claim 6 , wherein the axial width L of said substantially axial body is at least equal to 3.17 cm and at most equal to 5.10 cm.

8. The rolling assembly according to claim 1 , wherein an adapter is provided for each of said beads of the tire.

9. The rolling assembly according to claim 8 comprising a first and a second adapter having a plurality of said substantially axial bodies of identical axial widths L.

10. A rolling assembly comprising, for each of said beads of the tire, an adapter for a rolling assembly, the rolling assembly having an axis of rotation and comprising a tire having two beads, a rim having two rim bead seats and two adapters each configured to provide the connection between one of the beads and the rim, the adapter comprising:
an axially inner end configured to be mounted on a rim bead seat and comprising an inner reinforcing element and a substantially radial axially outer face;
an axially outer end configured to come into contact with one of the beads and comprising an outer reinforcing element and a substantially radial axially inner face or bearing face;
a substantially axial body connecting said axially outer end to said axially inner end so as to form a single piece;
said substantially axial body comprising at least a main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, the main reinforcement comprising at least one layer of mutually parallel reinforcers;
said substantially axial body comprising an adapter seat configured to receive said one of the beads and situated near the axially outer end,
wherein the reinforcing element of the axially outer end is wholly situated axially on the outside of the bearing face and radially on the outside of the adapter seat,
wherein the main reinforcement comprises a radial superposition of at least two layers of reinforcers, said reinforcers being mutually parallel within one and the same layer and crossed with one another from one layer to the next, and wherein each of the layers of the main reinforcement of said substantially axial body comprises reinforcers which make, with a circumferential direction of the tire, an angle at least equal to 30°, and coated with a polymer material having an elastic modulus at 10% elongation at most equal to 70 MPa,
the rolling assembly comprising a first and a second adapter having a plurality of said substantially axial bodies of different axial widths L.

Assignees

• Michelin & Cie

Inventors

• Ahouanto Michel
• Daval Bertrand
• Topin Arthur
• Pineau Jacky

Classifications

• B60C2009/0276

  Modulus; Hardness; Loss modulus or "tangens delta" · CPC title

• B60C5/16

  Sealing means between beads and rims, e.g. bands · CPC title

• B60B5/02

  made of synthetic material · CPC title

• B60C15/0209 Primary

  Supplementary means for securing the bead · CPC title

• B60B25/08

  Continuous flange rings; Arrangement of recesses enabling the flange rings to be slipped over the rim body · CPC title