JPS5893259U - Automatic return device in rotating chair - Google Patents

Automatic return device in rotating chair

Info

Publication number
JPS5893259U
JPS5893259U JP19005381U JP19005381U JPS5893259U JP S5893259 U JPS5893259 U JP S5893259U JP 19005381 U JP19005381 U JP 19005381U JP 19005381 U JP19005381 U JP 19005381U JP S5893259 U JPS5893259 U JP S5893259U
Authority
JP
Japan
Prior art keywords
seat
return device
automatic return
cam
rotating chair
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
JP19005381U
Other languages
Japanese (ja)
Inventor
一英 伊藤
Original Assignee
中京金属工業株式会社
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 中京金属工業株式会社 filed Critical 中京金属工業株式会社
Priority to JP19005381U priority Critical patent/JPS5893259U/en
Publication of JPS5893259U publication Critical patent/JPS5893259U/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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/18—Chairs or stools with rotatable seat
    • A47C3/185—Chairs or stools with rotatable seat self-returning to the original position

Landscapes

  • Chairs Characterized By Structure (AREA)

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]

図は本考案の実施例に係わるもので第１図はコイルばね
が弾発伸長してローラとカムの傾斜面が摺接した状態を
示す縦断面図、第２図はコイルばねが圧縮されてローラ
とカムとが離隔した状態を示す縦断面図である。 １・・・・・・軸杆、２・・・・・・座席、３・・・・
・・支柱、４・・・・・・脚台、７・・・・・・コイル
ばね、９・・・・・・カム、１０・・・・・・傾斜面、
１１・・・・・田−ラ。The figures relate to an embodiment of the present invention. Fig. 1 is a vertical cross-sectional view showing a state in which the coil spring is elastically expanded and the inclined surfaces of the roller and cam are in sliding contact, and Fig. 2 is a longitudinal sectional view showing the state in which the coil spring is compressed. FIG. 3 is a longitudinal cross-sectional view showing a state where the roller and the cam are separated from each other. 1... Axle, 2... Seat, 3...
...Strut, 4... Leg stand, 7... Coil spring, 9... Cam, 10... Inclined surface,
11...Tara.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 座席に固定された軸杆を脚台に立設した支柱に上下摺動
自在、かつ回転自在に支持させ、該支柱内に装填された
コイルばねによって軸杆を上方に付勢すると共に該軸杆
の側面に突設したローラを支柱内に固着したカムの傾斜
面に常時接触させるようにし、着座時にはその体重によ
って軸杆が下動しローラとカムとが接触しない位置にな
るようにしたことを特徴とする回転椅子における自動復
帰装置。An axle fixed to the seat is supported by a post installed on a footrest so that it can slide up and down and freely rotate, and a coil spring loaded in the support biases the axle upward, and The rollers protruding from the sides of the seat are kept in constant contact with the sloped surface of the cam fixed in the support column, and when the seat is seated, the shaft lever moves downward due to the weight of the seater, so that the roller and cam do not come into contact with each other. Features: Automatic return device for rotating chairs.
JP19005381U 1981-12-19 1981-12-19 Automatic return device in rotating chair Pending JPS5893259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19005381U JPS5893259U (en) 1981-12-19 1981-12-19 Automatic return device in rotating chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19005381U JPS5893259U (en) 1981-12-19 1981-12-19 Automatic return device in rotating chair

Publications (1)

Publication Number Publication Date
JPS5893259U true JPS5893259U (en) 1983-06-24

Family

ID=29994359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19005381U Pending JPS5893259U (en) 1981-12-19 1981-12-19 Automatic return device in rotating chair

Country Status (1)

Country Link
JP (1) JPS5893259U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0219339U (en) * 1988-07-26 1990-02-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0219339U (en) * 1988-07-26 1990-02-08

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