JPH0345751U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案の背板を備える椅子の背もた
れ部分のみを中央で破断した一部破断側面図、第
２図は、背板の背面図、第３図は、第２図のＡ−
Ａ線断面図である。 １……脚杆、２……支基、３……座、４……背
杆、５……コイルばね、６……背もたれ、７……
取付装置、８……背板、９……クツシヨン、１０
……折返し部、１１……突出枠、１２……取付枠
、１２ａ……縦材、１２ｂ……横材、１３……凹
入部、１４……突起、１５……螺孔、１６……ス
トツパ部、１７……リブ、１８……連結板、１８
ａ……後向片、１９……弾性体、２０……取付板
、２０ａ……チヤンネル部、２０ｂ……垂直片、
２１……係合孔、２２……止めねじ、２３……カ
バー、２４……孔。 FIG. 1 is a partially cutaway side view of only the backrest portion of a chair equipped with the backboard of the present invention cut away at the center, FIG. 2 is a rear view of the backboard, and FIG. 3 is the A--
It is an A-line sectional view. 1... Leg rod, 2... Support base, 3... Seat, 4... Back rod, 5... Coil spring, 6... Backrest, 7...
Mounting device, 8... Back plate, 9... Cushion, 10
...Folding portion, 11...Protruding frame, 12...Mounting frame, 12a...Vertical member, 12b...Horizontal member, 13...Recessed portion, 14...Protrusion, 15...Threaded hole, 16...Stopper Part, 17... Rib, 18... Connection plate, 18
a... Rearward piece, 19... Elastic body, 20... Mounting plate, 20a... Channel portion, 20b... Vertical piece,
21... Engagement hole, 22... Set screw, 23... Cover, 24... Hole.

Claims (1)

【実用新案登録請求の範囲】 (1) 座の下部より後上方に起立する背杆の上部
に取付装置をもつて取付けられる背もたれの背板
であつて、周縁部にほぼＵ字状の折返し部を設け
るとともに、中央下部に、背面形が下向きコ字状
をなして後方に向かつて***する突出枠と、該突
出枠内において、背面形が方形枠状をなして後方
に向かつて***する取付枠とを一体的に形成し、
かつ前記取付枠の隅部の後面にねじ孔を設け、該
ねじ孔に螺合する止めねじをもつて、取付枠を取
付装置にねじ止めしうるようにしたことを特徴と
する椅子における背板の構造。 (2) 取付枠の外周より突出枠に向かつて適数個
のリブを設けてなる請求項(1)記載の椅子におけ
る背板の構造。 (3) Ｕ字状の折返し部に、背板の前面に設けた
クツシヨンの周縁を挾着してなる請求項(1)又は(
2)記載の椅子における背板の構造。[Scope of Claim for Utility Model Registration] (1) A back plate of a backrest that is attached with an attachment device to the upper part of the back rod that stands rearward and upward from the lower part of the seat, which has a substantially U-shaped folded part on the periphery. At the same time, a protruding frame having a downwardly U-shaped back shape and protruding toward the rear is provided at the lower center, and a mounting frame whose back shape has a square frame shape and protruding toward the rear within the protruding frame. integrally formed with the frame,
A back plate for a chair, characterized in that a screw hole is provided on the rear surface of a corner of the mounting frame, and a set screw is screwed into the screw hole so that the mounting frame can be screwed to a mounting device. structure. (2) The structure of the back plate of a chair according to claim (1), wherein an appropriate number of ribs are provided toward the protruding frame from the outer periphery of the mounting frame. (3) Claim (1) or (1) in which the periphery of a cushion provided on the front surface of the back plate is clamped to the U-shaped folded part.
2) Structure of the back plate in the chair described.