JP2018166696A5

JP2018166696A5 -

Info

Publication number: JP2018166696A5
Application number: JP2017065739A
Authority: JP
Filing date: 2017-03-29
Publication date: 2020-06-11

Description

本発明の第１の態様は、座部と背もたれ部とを備え、前記座部は、座面の前端が後端よりも下方に位置するように設けられ、前記背もたれ部は、着座者が着座時に前記座部とのなす角度を鈍角に保持可能な椅子であって、前記座部の前方部位は、前記座部の後方部位に対して上下方向に傾動可能に設けられた保持部を備える、椅子である。
A first aspect of the present invention includes a seat portion and a backrest portion, the seat portion is provided such that a front end of a seat surface is located below a rear end, and the backrest portion is seated by a seated person. sometimes an angle between the seat portion be capable chair holding obtuse, front portion of the front Symbol seat is provided with a holding portion provided to be tilted in the vertical direction with respect to the rear portion of said seat , Ru Oh in the chair.

このような構成によれば、着座者の好みによって前方部位の後方部位に対する傾動角度を設定することができる。
本発明の第２の態様は、座部と背もたれ部とを備え、前記座部は、座面の前端が後端よりも下方に位置するように設けられ、前記背もたれ部は、着座者が着座時に前記座部とのなす角度を鈍角に保持可能な椅子であって、前記背もたれ部の左右方向の両側部には、前記背もたれ部の左右方向の中央部よりも前方に突出して前記着座者の腰部を両側から支持可能な左右一組の前方延出部が設けられ、前記背もたれ部は、前記左右一組の前方延出部の間隔が調整可能に構成されている、椅子である。
本発明の第３の態様は、座部と背もたれ部とを備え、前記座部は、座面の前端が後端よりも下方に位置するように設けられ、前記背もたれ部は、着座者が着座時に前記座部とのなす角度を鈍角に保持可能な椅子であって、前記座部の左右方向の両側には、前記座部の左右方向の中央部よりも上方に突出して前記着座者の少なくとも臀部を両側から支持可能な左右一組の上方延出部が設けられ、前記座部は、前記左右一組の上方延出部の間隔が調整可能に構成されている、椅子である。
本発明の第４の態様は、座部と、背もたれ部と、前記座部を支持するための前脚及び後脚とを備え、前記座部は、左右方向に延在した前方フレーム及び後方フレームと、前記前方フレームと前記後方フレームとを互いに連結するように設けられた面状の座部本体と、を有し、前記前方フレームは、前記前脚の上端に設けられた前方支持部に支持され、前記後方フレームは、前記後脚の上端に設けられた後方支持部に支持され、前記後方支持部は、前記前方支持部よりも上方に位置している、椅子である。
With such a configuration, the tilt angle of the front portion with respect to the rear portion can be set according to the preference of the seated person.
A second aspect of the present invention includes a seat portion and a backrest portion, the seat portion is provided such that a front end of a seat surface is located below a rear end, and the backrest portion is seated by a seated person. Sometimes a chair that can hold an angle formed with the seat portion at an obtuse angle, and on both side portions of the backrest portion in the left-right direction, the seatback of the seated person is projected forward from the center portion of the backrest portion in the left-right direction. A chair is provided with a pair of left and right front extending portions that can support the waist from both sides, and the backrest portion is configured such that the interval between the left and right pair of front extending portions can be adjusted.
A third aspect of the present invention includes a seat portion and a backrest portion, the seat portion is provided such that a front end of a seat surface is located below a rear end, and the backrest portion is seated by a seated person. A chair capable of holding an angle formed with the seat portion at an obtuse angle, and on both sides of the seat portion in the left-right direction, at least the seated person protruding above the center portion of the seat portion in the left-right direction A pair of left and right upper extending portions capable of supporting the buttocks from both sides are provided, and the seat portion is a chair in which the interval between the left and right upper extending portions is adjustable.
A fourth aspect of the present invention includes a seat portion, a backrest portion, and front and rear legs for supporting the seat portion, the seat portion including a front frame and a rear frame extending in the left-right direction. A front seat and a rear seat frame are provided so as to connect the front frame and the rear frame to each other, and the front frame is supported by a front support portion provided at an upper end of the front leg. The rear frame is a chair that is supported by a rear support portion provided on the upper ends of the rear legs, and the rear support portion is located above the front support portion.

Claims

With a seat and a backrest,
The seat portion is provided so that the front end of the seat surface is located below the rear end,
The backrest is a chair that allows an occupant to hold an obtuse angle with the seat when seated ,
Front portion of the front Symbol seat is provided with a holding portion provided to be tilted in the vertical direction with respect to the rear portion of said seat, chair child.

A chair according to claim 1,
The holding portion is held configured to be able to tilt angles at a plurality of angular positions relative to said rear portion of said front portion, chair child.

The chair according to claim 1 or 2, wherein
The chair in which the backrest portion is provided integrally with the seat portion.

With a seat and a backrest,
The seat portion is provided so that the front end of the seat surface is located below the rear end,
The backrest is a chair that allows an occupant to hold an obtuse angle with the seat when seated,
The left and right side portions of the backrest portion are provided with a pair of left and right front extending portions that project forward from the center portion of the backrest portion in the left-right direction and can support the lumbar region of the seated person from both sides.
In the chair, the backrest portion is configured such that a space between the pair of left and right front extending portions can be adjusted.

The chair according to claim 4,
The backrest portion is configured to be elastically deformable so that the seated person is located between the pair of left and right front extension portions so that the distance between the pair of left and right front extension portions can be widened. Is a chair.

With a seat and a backrest,
The seat portion is provided so that the front end of the seat surface is located below the rear end,
The backrest is a chair that allows an occupant to hold an obtuse angle with the seat when seated,
On both sides in the left-right direction of the seat portion, a pair of left and right upward extending portions that project upward from the center portion in the left-right direction of the seat portion and can support at least the buttocks of the seated person from both sides are provided,
The seat is a chair in which the space between the pair of left and right upward extending portions is adjustable.

The chair according to claim 6,
The seat portion is elastically deformable so that the seated person is positioned between the pair of left and right upper extension portions, so that the space between the pair of left and right upper extension portions can be widened. The chair, which is made up.

A seat portion, a backrest portion, and front and rear legs for supporting the seat portion,
The seat is
A front frame and a rear frame extending in the left-right direction,
A sheet-like seat body provided so as to connect the front frame and the rear frame to each other,
The front frame is supported by a front support portion provided at the upper end of the front leg,
The rear frame is supported by a rear support portion provided on the upper ends of the rear legs,
The chair in which the rear support portion is located above the front support portion.

The chair according to claim 8,
The front support portion is provided with a plurality of first recesses, which are open upward and in which the front frame can be arranged, in the front-rear direction.
A chair in which a plurality of second recesses that are open upward and in which the rear frame can be arranged are provided in the front-rear direction in the rear support portion.

The chair according to claim 9,
The front support portion is provided with a first lock mechanism that prevents the front support portion from being separated from the first recess.
The chair, wherein the rear support portion is provided with a second lock mechanism that prevents the rear support portion from being separated from the second recess.