A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 31/02 (2006.01) A47C 5/02 (2006.01) A47C 7/00 (2006.01) A47C 31/04 (2006.01)
Patent
CA 2669747
A stretching structure of a stretching material in a chair in which the ratio of the rear frame of a backrest to the outline of the chair is small, design is smart, weight is reduced, the number of parts is reduced, and assemblability is improved and the backrest of the chair. In the chair having the backrest (10) formed by stretching the stretching material (23) on the front surface of the rear frame (17), the rear frame (17) comprises a front frame (18) to which the peripheral edge part of the stretching material (23) is fixed and an upper reinforcement frame rod (26). The laterally facing upper reinforcement frame rod (26) is connected at its both ends to both ends of the laterally facing upper frame rod (18a) at the top of the front frame (18) with the center part of the upper reinforcement frame rod separated backward from the upper frame rod (18a).
Igarashi Ryo
Kiyoku Akira
Masunaga Hiroshi
Nakayama Ken
Narita Tetsuya
Okamura Corporation
Ridout & Maybee Llp
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