JPH0288547U - - Google Patents

Info

Publication number
JPH0288547U
JPH0288547U JP16675688U JP16675688U JPH0288547U JP H0288547 U JPH0288547 U JP H0288547U JP 16675688 U JP16675688 U JP 16675688U JP 16675688 U JP16675688 U JP 16675688U JP H0288547 U JPH0288547 U JP H0288547U
Authority
JP
Japan
Prior art keywords
base frame
elastic member
adjustment mechanism
operating shaft
pedestal
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
JP16675688U
Other languages
Japanese (ja)
Other versions
JPH0531962Y2 (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 JP16675688U priority Critical patent/JPH0531962Y2/ja
Publication of JPH0288547U publication Critical patent/JPH0288547U/ja
Application granted granted Critical
Publication of JPH0531962Y2 publication Critical patent/JPH0531962Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

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

第1図は本考案の一実施例を示す平面図、第2
図は第1図の縦断面図、第3図は背当盤を後方に
倒した時の縦断面図、第4図は本考案の別の実施
例を示す縦断面図、第5図は第4図の要部の縦断
面図、第6図はシンクロ機構の簡単な説明図であ
る。 図において、1は基枠、2は支点軸A、3は座
盤支持枠、4は支点軸B、5は背当盤支持枠、6
は作動軸、7は弾性部材、8は長穴、9は位置決
め調節ネジ、10はバネ力調節ネジ、11はロツ
クネジである。
Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a longitudinal sectional view of Fig. 1, Fig. 3 is a longitudinal sectional view when the back support board is tilted backward, Fig. 4 is a longitudinal sectional view showing another embodiment of the present invention, and Fig. 5 is a longitudinal sectional view of Fig. 1. FIG. 4 is a vertical sectional view of the main part, and FIG. 6 is a simple explanatory diagram of the synchronizing mechanism. In the figure, 1 is the base frame, 2 is the fulcrum shaft A, 3 is the seat support frame, 4 is the fulcrum shaft B, 5 is the back support plate support frame, 6
7 is an operating shaft, 7 is an elastic member, 8 is a long hole, 9 is a positioning adjustment screw, 10 is a spring force adjustment screw, and 11 is a locking screw.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 脚柱の上端に固定された基枠と;前記基枠の前
端部分で前記脚柱と直交する支点軸Aによつて前
端部分を軸着された座盤支持枠と;前記座盤支持
枠の後端部分で前記支点軸Aと平行な支点軸Bに
よつて後方部分を軸着された背当盤支持枠と;前
記背当盤支持枠の先端部分に前記支点軸Aと平行
に取付けられた作動軸と;該作動軸を常に後方に
押圧付勢する弾性部材と;前記基枠の側枠壁の対
向する位置に穿たれ、前記作動軸を前後方向に遊
嵌する長穴と;前記作動軸の前後方向の位置を前
記弾性部材のバネ力に抗して進退可能に調節する
位置決め調節機構と;前記基枠の前端部と前記弾
性部材との間に介在され、前記弾性部材のたわみ
量を調節するバネ力調節機構と;を備えたことを
特徴とする事務用椅子のリクライニング装置。
a base frame fixed to the upper end of the pedestal; a seat support frame whose front end portion is pivoted by a fulcrum shaft A perpendicular to the pedestal at the front end of the base frame; a back abutment plate support frame whose rear portion is pivoted by a fulcrum axis B parallel to the fulcrum axis A at the rear end portion; an elastic member that always presses and urges the operating shaft rearward; an elongated hole bored at opposing positions in the side frame wall of the base frame and into which the operating shaft is loosely fitted in the front-rear direction; a positioning adjustment mechanism that adjusts the longitudinal position of the operating shaft so that it can advance and retreat against the spring force of the elastic member; a positioning adjustment mechanism that is interposed between the front end of the base frame and the elastic member; A reclining device for an office chair, comprising: a spring force adjustment mechanism for adjusting the amount;
JP16675688U 1988-12-26 1988-12-26 Expired - Lifetime JPH0531962Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16675688U JPH0531962Y2 (en) 1988-12-26 1988-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16675688U JPH0531962Y2 (en) 1988-12-26 1988-12-26

Publications (2)

Publication Number Publication Date
JPH0288547U true JPH0288547U (en) 1990-07-13
JPH0531962Y2 JPH0531962Y2 (en) 1993-08-17

Family

ID=31454424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16675688U Expired - Lifetime JPH0531962Y2 (en) 1988-12-26 1988-12-26

Country Status (1)

Country Link
JP (1) JPH0531962Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010507399A (en) * 2006-10-23 2010-03-11 アイデーイーアソシエイツ(アイオーエム) リミテッド Office chair synchronization device
JP2013022082A (en) * 2011-07-15 2013-02-04 Itoki Corp Rocking chair and spring unit used for the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010507399A (en) * 2006-10-23 2010-03-11 アイデーイーアソシエイツ(アイオーエム) リミテッド Office chair synchronization device
JP2013022082A (en) * 2011-07-15 2013-02-04 Itoki Corp Rocking chair and spring unit used for the same

Also Published As

Publication number Publication date
JPH0531962Y2 (en) 1993-08-17

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