A chair with deformable backrest

Details A chair with deformable backrest A chair with deformable backrest

A - Human Necessities

47

C

A47C 1/024 (2006.01) A47C 5/12 (2006.01) A47C 7/44 (2006.01)

Patent

CA 2618260

A chair comprising a supporting structure (12) having a seat (14) and a backrest (16), in which the backrest (16) comprises: - a deformable resting portion made of plastic material (28), which has a non-planar resting surface provided with at least one weakened area (32), which enables an elastic deformation of the resting portion (28) so that the resting portion assumes a configuration bent backwards under the action of a thrust applied backwards by the user, - two uprights (30) formed integrally on the lateral sides of the resting portion (28), and - two side connection elements (36), which connect the backrest (16) to the supporting structure (12), formed integrally at the bottom ends of the uprights (30). The backrest (16) is provided with elastic stiffening elements (38) made of a material different from the material constituting the resting portion (28) and arranged only in an area corresponding to the uprights (30) so as to bestow upon said uprights (30) a rigidity to bending higher than that of the resting portion (28).

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