JPH02145145U - - Google Patents

Info

Publication number
JPH02145145U
JPH02145145U JP5520189U JP5520189U JPH02145145U JP H02145145 U JPH02145145 U JP H02145145U JP 5520189 U JP5520189 U JP 5520189U JP 5520189 U JP5520189 U JP 5520189U JP H02145145 U JPH02145145 U JP H02145145U
Authority
JP
Japan
Prior art keywords
guide rod
chair
rod
hole
operating lever
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.)
Granted
Application number
JP5520189U
Other languages
Japanese (ja)
Other versions
JPH0612713Y2 (en
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 filed Critical
Priority to JP1989055201U priority Critical patent/JPH0612713Y2/en
Publication of JPH02145145U publication Critical patent/JPH02145145U/ja
Application granted granted Critical
Publication of JPH0612713Y2 publication Critical patent/JPH0612713Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C7/402—Support for the head or the back for the back adjustable in height

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

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

第１図は本考案の上下調節装置を肘掛け及び背
凭れに適用した実施例を示す椅子の側面図、第２
図は本考案の上下調節装置の代表的実施例を示す
要部の縦断側面図、第３図は操作レバーを操作し
て上下高さ調節を行う状態を示した同じく縦断側
面図、第４図は支持杆に対して案内杆を最上段に
高さ位置を変更した状態の同じく縦断側面図であ
る。 Ａ：上下調節装置、１：支持杆、２：案内杆、
３：操作部材、４：座部、５：アーム、６：係合
孔、７：長孔、８：肘掛け、９：背凭れ、１０：
開口、１１：貫通孔、１２：通孔、１３：底面、
１４：操作レバー、１５：操作杆、１６：屈曲部
、１７：軸孔、１８：支軸、１９：突出部、２０
：突起、２１：突出部、２２：ストツパー、２３
：コイルばね、２４：ピン又は切起し片、２５：
把手、２６：蛇腹、２７：脚部。 Figure 1 is a side view of a chair showing an embodiment in which the vertical adjustment device of the present invention is applied to the armrests and backrest;
The figure is a longitudinal sectional side view of the main part showing a typical embodiment of the vertical adjustment device of the present invention, FIG. 2 is a vertical sectional side view of the same with the height position of the guide rod changed to the uppermost position with respect to the support rod. A: Vertical adjustment device, 1: Support rod, 2: Guide rod,
3: Operation member, 4: Seat, 5: Arm, 6: Engagement hole, 7: Long hole, 8: Armrest, 9: Backrest, 10:
Opening, 11: Through hole, 12: Through hole, 13: Bottom surface,
14: Operation lever, 15: Operation rod, 16: Bent part, 17: Shaft hole, 18: Support shaft, 19: Projection part, 20
:Protrusion, 21:Protrusion, 22:Stopper, 23
: Coil spring, 24: Pin or cut and raised piece, 25:
Handle, 26: Bellows, 27: Legs.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 椅子の固定部に連結した上端開放の中空支持杆
の一側面上下方向に所定間隔毎に係合孔を形成す
るとともに、該係合孔の対面上下方向に長孔を形
成し、椅子の可動部に連結した中空案内杆を前記
支持杆内に上下スライド可能に嵌合し、該案内杆
の上部に操作レバーと操作杆を略Ｌ字形に一体形
成した操作部材の屈曲部を水平な支軸にて回動可
能に軸着し、前記操作レバーを案内杆の上部側面
に形成した開口から側方へ突出させ、また垂下し
た前記操作杆下端部の回動方向一側に前記案内杆
の下部一側面に形成した貫通孔を通して前記係合
孔に係合する突起を設けるとともに、回動方向他
側には案内杆の下部他側面に形成した通孔を通し
て前記長孔にスライド係合するストツパーを設け
、更に前記突起が係合孔に係合する方向に前記操
作杆を弾性付勢してなることを特徴とする椅子に
於ける上下調節装置。 Engagement holes are formed at predetermined intervals in the vertical direction on one side of a hollow support rod with an open top connected to the fixed part of the chair, and elongated holes are formed in the vertical direction opposite to the engagement holes, and the movable part of the chair is connected to the movable part of the chair. A hollow guide rod connected to the is fitted into the support rod so as to be vertically slidable, and a bent portion of the operating member, in which an operating lever and an operating rod are integrally formed in a substantially L-shape on the upper part of the guide rod, is connected to a horizontal support shaft. The operating lever is rotatably attached to the shaft, and the operating lever protrudes laterally from an opening formed in the upper side surface of the guide rod, and the lower end of the guide rod is attached to one side of the hanging lower end of the operating lever in the rotating direction. A protrusion that engages with the engagement hole through a through hole formed on a side surface is provided, and a stopper that slides and engages with the elongated hole through a through hole formed on the other side of the lower part of the guide rod is provided on the other side in the rotation direction. A vertical adjustment device for a chair, further comprising elastically biasing the operating rod in a direction in which the protrusion engages with the engagement hole.
JP1989055201U 1989-05-13 1989-05-13 Vertical adjustment device for armrests in chairs Expired - Lifetime JPH0612713Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989055201U JPH0612713Y2 (en) 1989-05-13 1989-05-13 Vertical adjustment device for armrests in chairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989055201U JPH0612713Y2 (en) 1989-05-13 1989-05-13 Vertical adjustment device for armrests in chairs

Publications (2)

Publication Number Publication Date
JPH02145145U true JPH02145145U (en) 1990-12-10
JPH0612713Y2 JPH0612713Y2 (en) 1994-04-06

Family

ID=31577941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989055201U Expired - Lifetime JPH0612713Y2 (en) 1989-05-13 1989-05-13 Vertical adjustment device for armrests in chairs

Country Status (1)

Country Link
JP (1) JPH0612713Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101047407B1 (en) * 2004-08-31 2011-07-08 현대자동차주식회사 Adjustable armrest device in car
JP2022535674A (en) * 2019-06-04 2022-08-10 イエティ クーラーズ、エルエルシー portable chair

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029544U (en) * 1983-08-04 1985-02-28 タカノ株式会社 Chair
JPS6220546U (en) * 1985-07-23 1987-02-06
JPS62106715A (en) * 1985-09-10 1987-05-18 ミルスコ・マニユフアクチヤリング・カンパニ− Mechanism for adjusting height of backrest of chair

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029544U (en) * 1983-08-04 1985-02-28 タカノ株式会社 Chair
JPS6220546U (en) * 1985-07-23 1987-02-06
JPS62106715A (en) * 1985-09-10 1987-05-18 ミルスコ・マニユフアクチヤリング・カンパニ− Mechanism for adjusting height of backrest of chair

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101047407B1 (en) * 2004-08-31 2011-07-08 현대자동차주식회사 Adjustable armrest device in car
JP2022535674A (en) * 2019-06-04 2022-08-10 イエティ クーラーズ、エルエルシー portable chair

Also Published As

Publication number Publication date
JPH0612713Y2 (en) 1994-04-06

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