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Stretched structure of the chair for Zhang material
Stretched structure of the chair for Zhang material
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机译：张材料的椅子的拉伸结构
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摘要
PROBLEM TO BE SOLVED: To provide a stretching structure of a chair upholstery material, which is capable of easily stretching an upholstery material over a frame body, sufficiently secures the deflection allowance of the upholstery material, and reduces the material cost and manufacturing cost without reducing the strength.;SOLUTION: The stretching structure of the chair upholstery material is configured to stretch the upholstery material 14 over the surface of the closed loop-shaped frame body 13 to be used as a seat or backrest of the chair. The cross-sectional shape perpendicular to the longitudinal direction of each part of the frame body 13 includes an upholstery material receiving part 21 having an engaging groove 20 which is open to the rear surface, and a U-shaped part 23 having a recessed groove 22 which is open to the front surface inward more than the engaging groove 20. The upholstery material 14 is wound from the front surface of the frame body 13 to the rear surface along the outer peripheral surface, and the peripheral edge of the upholstery material is fitted into the engagement groove 20 and fixed, by which the upholstery material 14 is stretched in such a way as to cover the front surface of the U-shaped part 23.;COPYRIGHT: (C)2012,JPO&INPIT
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