Chair
A chair includes a lower structure configured to be placed on a floor surface (F), a backrest support member supported by the lower structure body, and a backrest supported by the backrest support member. The backrest includes a backrest body fixed to the backrest support member and provided with an opening portion (S 2 ) that opens downward, and a tensile material provided in the backrest body and having a lower end portion that is locked on the backrest body. The backrest body includes a plate-shaped backrest main body fixed to the backrest support member and provided with a load-supporting surface that supports a load of a seated person. The backrest support member is inserted into the opening portion of the backrest body and is disposed on a rear side of the backrest main body.
1 . A chair comprising:
a lower structure configured to be placed on a floor surface;
a backrest support member supported by the lower structure; and
a backrest supported by the backrest support member, wherein
the backrest includes
a backrest body fixed to the backrest support member and provided with an opening portion that opens downward, and
a tensile material provided on the backrest body and having a lower end portion that is locked on the backrest body,
the backrest body includes a plate-shaped backrest main body fixed to the backrest support member and provided with a load-supporting surface that supports a load of a seated person,
the backrest support member is inserted into the opening portion of the backrest body and is disposed on a rear side of the backrest main body,
the backrest body includes a rearward overhanging member provided with the opening portion and overhanging rearward from the backrest main body,
the tensile material includes
a front tensile material portion disposed in front of the backrest body, and
a rear tensile material portion disposed behind the backrest body, and
the rearward overhanging member includes
a front tensile material support portion disposed in front of the backrest support member and provided with a first locking portion on which the front tensile material portion is locked, and
a rear tensile material support portion disposed in a side area of and behind the backrest support member and provided with a second locking portion on which the rear tensile material portion is locked.
2 . The chair according to claim 1 , wherein
a width of the backrest main body is greater than a width of the backrest support member.
3 . The chair according to claim 1 , wherein
the first locking portion is recessed upward from a lower surface of the front tensile material support portion, and
the second locking portion is recessed upward from a lower surface of the rear tensile material support portion.
4 . The chair according to claim 1 , wherein
the rearward overhanging member includes an arch-shaped portion formed in an arch shape that protrudes rearward, and
a tip end portion of a protrusion of the arch-shaped portion is disposed to be spaced rearward from the backrest main body.
5 . A chair comprising:
a lower structure configured to be placed on a floor surface;
a backrest support member supported by the lower structure; and
a backrest supported by the backrest support member, wherein
the backrest includes
a backrest body fixed to the backrest support member and provided with an opening portion that opens downward, and
a tensile material provided on the backrest body and having a lower end portion that is locked on the backrest body,
the backrest body includes
a plate-shaped backrest main body fixed to the backrest support member and provided with a load-supporting surface that supports a load of a seated person, and
a rearward overhanging member provided with the opening portion and overhanging rearward from the backrest main body, and
the backrest support member is inserted into the opening portion of the rearward overhanging member and is disposed on a rear side of the backrest main body.
6 . The chair according to claim 5 , wherein
the backrest main body and the rearward overhanging member are integrally molded.
7 . The chair according to claim 5 , wherein
the rearward overhanging member is fixed to the backrest main body.