JPS59114059U - chair back support device - Google Patents

chair back support device

Info

Publication number
JPS59114059U
JPS59114059U JP823683U JP823683U JPS59114059U JP S59114059 U JPS59114059 U JP S59114059U JP 823683 U JP823683 U JP 823683U JP 823683 U JP823683 U JP 823683U JP S59114059 U JPS59114059 U JP S59114059U
Authority
JP
Japan
Prior art keywords
hole
back support
fitting recess
buffer body
headed bolt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP823683U
Other languages
Japanese (ja)
Inventor
諭 蒲谷
弘志 早乙女
Original Assignee
株式会社岡村製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社岡村製作所 filed Critical 株式会社岡村製作所
Priority to JP823683U priority Critical patent/JPS59114059U/en
Publication of JPS59114059U publication Critical patent/JPS59114059U/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は、本考案の椅子の背もたれ支持装置の一実施例
を備える椅子の斜視図、第２図は、第１図■−■線にお
ける縦断面図、第３図、第１図■−ｍ線における横断面
図である。 １・・・背もたれ、２・・・背もたれの裏板、３・・・
嵌合凹部、４・・・貫通孔、５・・・緩衝体、６・・・
緩衝体の前部、７・・・座金、８・・・緩衝体の鍔部、
９・・・背もたれの裏板の裏面、１０・・・嵌合凹部、
１１・・・透孔、１２・・・座金、１３・・・背支持杆
、１４・・・背支持杆の凸部、１５・・・螺子孔、１６
・・・座金、１７・・・有頭ボルト、１８・・・椅子本
体、１９・・・裏板の貫通孔と有□頭ボルトとの間隙。Fig. 1 is a perspective view of a chair equipped with an embodiment of the chair back support device of the present invention, Fig. 2 is a vertical sectional view taken along the line ■-■ in Fig. 1, Fig. 3, and Fig. 1 - FIG. 3 is a cross-sectional view taken along the m-line. 1... Backrest, 2... Back plate of backrest, 3...
Fitting recess, 4... Through hole, 5... Buffer, 6...
Front part of the buffer body, 7... washer, 8... collar part of the buffer body,
9... Back side of back plate of backrest, 10... Fitting recess,
DESCRIPTION OF SYMBOLS 11... Through hole, 12... Washer, 13... Back support rod, 14... Convex part of back support rod, 15... Screw hole, 16
... Washer, 17 ... Headed bolt, 18 ... Chair body, 19 ... Gap between the through hole of the back plate and the head bolt.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）背もたれの裏板の裏面中央部の嵌合凹部に適宜個
数の有頭ボルト貫通孔が穿たれ、該嵌合凹部に若干の弾
性を有する緩衝体の前面を嵌合し、該緩衝体の後部周縁
に膨出させた鍔部を上記嵌合凹部周囲の背もたれの裏面
に当接させ、該緩衝体の後面には背支持杆用嵌合凹部が
設けられ、かつ該緩衝体には、それの前面の上記貫通孔
と符合゛する位置から、後面の該嵌合凹部に至る透孔が
穿たれ、前記緩衝体の後面の嵌合凹部に背支持杆の凸部
を嵌合し、該背支持杆の凸部には、該有頭ボルト透孔と
符合する有頭ボルト螺子孔が穿設され、上記裏板の表面
より嵌入した有頭ボルトを、該貫通孔および透孔を貫通
させて、螺子孔に螺合することにより、上記前もたれ、
緩衝体、および背支持杆を一体に結合した椅子の背もた
れ支持装置。(1) An appropriate number of headed bolt through holes are bored in the fitting recess at the center of the back surface of the back plate of the backrest, and the front surface of a buffer body having some elasticity is fitted into the fitting recess, and the buffer body A flange portion bulging at the rear peripheral edge of the buffer body is brought into contact with the back surface of the backrest around the fitting recess, and a back support rod fitting recess is provided on the rear surface of the buffer body, and the buffer body includes: A through hole is drilled from a position corresponding to the through hole on the front surface of the shock absorber to the fitting recess on the rear surface, and the convex portion of the back support rod is fitted into the fitting recess on the rear surface of the buffer body. A headed bolt screw hole that matches the headed bolt through hole is bored in the convex part of the back support rod, and the headed bolt inserted from the surface of the back plate is passed through the through hole and the through hole. By screwing into the screw hole, the front rest,
A chair back support device that integrally combines a cushioning body and a back support rod. （２）裏板の貫通孔と有頭ボルトとの間に、間隙を設け
てなる実用新案登録請求の範囲第（１）項に記載の椅子
の背もたれ支持装置。(2) The chair back support device according to claim (1), which is a registered utility model, wherein a gap is provided between the through hole of the back plate and the headed bolt.
JP823683U 1983-01-24 1983-01-24 chair back support device Pending JPS59114059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP823683U JPS59114059U (en) 1983-01-24 1983-01-24 chair back support device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP823683U JPS59114059U (en) 1983-01-24 1983-01-24 chair back support device

Publications (1)

Publication Number Publication Date
JPS59114059U true JPS59114059U (en) 1984-08-01

Family

ID=30139727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP823683U Pending JPS59114059U (en) 1983-01-24 1983-01-24 chair back support device

Country Status (1)

Country Link
JP (1) JPS59114059U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010194083A (en) * 2009-02-25 2010-09-09 Okamura Corp Backrest device of chair
JP2011000451A (en) * 2010-08-16 2011-01-06 Itoki Corp Support mechanism for backrest of chair
JP4627931B2 (en) * 2001-07-13 2011-02-09 株式会社イトーキ Chair back support mechanism
JP2013039434A (en) * 2012-11-26 2013-02-28 Itoki Corp Mechanism for supporting backrest of chair

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS488893U (en) * 1971-06-11 1973-01-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS488893U (en) * 1971-06-11 1973-01-31

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4627931B2 (en) * 2001-07-13 2011-02-09 株式会社イトーキ Chair back support mechanism
JP2010194083A (en) * 2009-02-25 2010-09-09 Okamura Corp Backrest device of chair
JP2011000451A (en) * 2010-08-16 2011-01-06 Itoki Corp Support mechanism for backrest of chair
JP2013039434A (en) * 2012-11-26 2013-02-28 Itoki Corp Mechanism for supporting backrest of chair

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