An air distribution assembly for vehicles, comprising a first flap, able to rotate around a first axis, a second distribution flap, able to rotate around a second axis, and a geared transmission device that connects the first and the second flap to each other. The transmission device comprises at le
An air distribution assembly for vehicles, comprising a first flap, able to rotate around a first axis, a second distribution flap, able to rotate around a second axis, and a geared transmission device that connects the first and the second flap to each other. The transmission device comprises at least one gear wheel including a first and a second element able to rotate relative to each other and an elastic element positioned between the first and the second element to allow a relative rotation motion between the first and the second element.
대표청구항▼
The invention claimed is: 1. An air distribution assembly for vehicles, comprising: a first flap, rotatably mounted around a first axis, a second flap, rotatably mounted around a second axis, and a geared transmission device that connects the first and the second flap to each other, wherein the sai
The invention claimed is: 1. An air distribution assembly for vehicles, comprising: a first flap, rotatably mounted around a first axis, a second flap, rotatably mounted around a second axis, and a geared transmission device that connects the first and the second flap to each other, wherein the said transmission device comprises at least one gear wheel including a first and a second element able to rotate relative to each other and an elastic element positioned between the first and the second element to allow a relative rotation motion between the first and the second element, wherein the first element of the gear wheel is provided with a set of teeth and in that the second element of the gear wheel is provided with a hub for fastening the gear wheel on a shaft of one of said flaps and wherein the hub of the second element of the gear wheel is provided with an elastically deformable tooth which engages in snap-on fashion a seat of an end of a shaft of the second flap. 2. The air distribution assembly as claimed in claim 1, wherein the elastic element has a first end abutting against a projection of the first element and a second end abutting against a projection of the second element. 3. The air distribution assembly as claimed in claim 2, wherein the elastic element is housed in an annular seat concentric with respect to the axis of rotation of the gear wheel. 4. An air distribution assembly for vehicles, comprising: a first flap, able to rotate around a first axis; a second flap, able to rotate around a second axis; and a geared transmission device that connects the first and the second flap to each other, wherein the transmission device comprises at least one gear wheel including a first and a second element able to rotate relative to each other, the first element of the gear wheel being provided with a set of teeth and the second element of the gear wheel being provided with a hub for fastening the gear wheel on a shaft of one of the flaps and wherein an helical compression spring is housed in an annular seat positioned between the first and the second element and concentric with respect to the axis of rotation of the gear wheel, the spring having a first end abutting against a projection of the first element and a second end abutting against a projection of the second element to allow a relative rotation motion between the first and the second element. 5. The air distribution assembly as claimed in claim 4, wherein the hub of the second element of the gear wheel is provided with an elastically deformable tooth able to engage in snap-on fashion a seat of an end of a shaft of the second flap.
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