CN1327781A - Chair with synchronously vibrative seat and back - Google Patents

Chair with synchronously vibrative seat and back Download PDF

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Publication number
CN1327781A
CN1327781A CN01124833A CN01124833A CN1327781A CN 1327781 A CN1327781 A CN 1327781A CN 01124833 A CN01124833 A CN 01124833A CN 01124833 A CN01124833 A CN 01124833A CN 1327781 A CN1327781 A CN 1327781A
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CN
China
Prior art keywords
chair
seat
base component
mentioned
backrest
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
CN01124833A
Other languages
Chinese (zh)
Inventor
G·皮雷蒂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PROCOD Srl
Original Assignee
PROCOD Srl
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 PROCOD Srl filed Critical PROCOD Srl
Publication of CN1327781A publication Critical patent/CN1327781A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03277—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs
    • A47C1/03279—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs of torsion type

Abstract

A chair with seat and backrest that oscillate in a synchronized way, comprising: a base structure (14); a backrest-supporting structure (26) articulated to the base structure (14) about a first transverse axis (A); a seat-supporting structure (44) which is mobile with respect to the base structure (14) in a way synchronized with the movement of oscillation of the backrest-supporting structure (26); and elastic means (24) tending to counteract the oscillation backwards of the seat and backrest. One rear part of the seat-supporting structure (44) is articulated to the backrest-supporting structure (26) about a second axis of oscillation (B) parallel to the aforesaid first axis (A), and one front part of the seat-supporting structure (44) is connected to the base structure (44) by means of at least one articulation element (50).

Description

Have the seat of synchronous vibration and the chair of backrest
Invention field
A kind of the have seat of synchronous vibration and the chair of backrest have been the present invention relates to.More particularly, the present invention relates to so a kind of chair, it comprises:
-one base component;
-one back rest supports member, it is hinged to base component around first lateral shaft;
-one seat supporting member, its with the synchronous mode of the vibration of back rest supports member, can with respect to base component mutually move and
-elastic device, its stop seat and backrest to after vibration.
Background of invention
Ergonomics shows: the vibration of seats and backrest must interrelate with accurate way, could obtain desirable comfort conditions in each position of backrest.Normally mechanism's complexity, cost are high and very heavy to obtain desirable related mechanism between the vibration of the vibration at seat and backrest.
The purpose of this invention is to provide a kind of chair that can overcome the specific type of above-mentioned defective.
According to the present invention, above-mentioned purpose reaches by the feature that the independent claims theme is limited.
Description of drawings
Describe the present invention in detail with reference to the accompanying drawing that only provides with non-limiting example, wherein:
-Figure 1A and Figure 1B are the side view of two modes of operation of chair of the present invention;
-Fig. 2 is the fragmentary, perspective view as the chair mechanism of arrow II indication among Figure 1A and Figure 1B;
The sectional view of-Fig. 3 for cutting open along II-III line among Fig. 2;
-Fig. 4 and Fig. 5 sectional view on two operating positions for cutting open along IV-IV line among Fig. 3;
-Fig. 6 and Fig. 7 sectional view on two operating positions for cutting open along VI-VI line among Fig. 3;
-Fig. 8 is the perspective view of the control device shown in the arrow VIII among Fig. 3;
-Fig. 9 and Figure 10 sectional view for cutting open along IX-IX line among Fig. 8, it has shown the control device on released position and latched position respectively;
The sectional view of-Figure 11 for cutting open along XI-XI line among Figure 10; With
The sectional view of-Figure 12 for cutting open along XII-XII line among Fig. 9.
Preferred embodiment
With reference to Figure 1A and Figure 1B, label 10 has represented to comprise the chair of an intermediate support 12, and the height of intermediate support is adjustable (known form own), and a base component 14 is equipped with on its top.16, one backrests 18 in a seat and pair of armrests 20 are housed on the base component 14.
With reference to Fig. 2 to Fig. 5, base component 14 is generally the box-shaped of top end opening, and is fixed on the top of intermediate support 12.A horizontal pipe fitting 22 is fixed on the base component 14, and the torque arm 24 that for example comprises many sheet metals is equipped with in the inside of tube-like piece.
Backrest 18 comprises a supporting member, and it comprises two tube-like pieces 26, and the bottom of tube-like piece is hinged to tube element 22 around the first lateral shaft A.The tube-like piece 26 that constitutes the back rest supports member is fixed on the opposed end of torque arm 24.Each handrail 20 supports by height-adjustable upstanding portion 30, and the bottom of upstanding portion is fixed on the link of the tube-like piece 26 of back rest supports member.Like this, shown in Figure 1A and Figure 1B, handrail 20 can vibrate around lateral shaft A with backrest 18 one.
Referring to Fig. 3,6 and Fig. 7, the center fixed of torque arm 24 is at adjusting rod 32.For example this fixedly is that the form fit that forms by the rectangular section of torque arm 24 with in adjusting rod 32 between the hole of respective shapes realizes.As shown in Figure 6 and Figure 7, an end of adjusting rod 32 links to each other with base component 14 by adjusting device 34, and adjusting device 34 can change preloading of torque arm 24.Adjusting device 34 comprises a screw rod 36 that is fixed on the adjusting knob 38.Screw rod 36 links to each other with an internal thread 40, and internal thread cooperates with the top of pressure piece 42.Described pressure piece 42 is positioned at an end of adjusting rod 32, and its shape is complementary with the shape of regulating dried 32, rotates around helical axis 36 axis to prevent pressure piece 42.The rotation of adjusting knob 38 can change the angle position of adjusting rod 32 with respect to base component 14, as shown in Figure 6 and Figure 7, the variation of bar 32 positions itself has changed preloading of torque arm, and changed the power that is applied to backrest overcoming the counter-force of spring, thereby make backrest around lateral shaft A to after vibration.
Referring to Fig. 2 to Fig. 5, chair 10 comprises a seat supporting member 44, the shape of seat supporting member normally the box shape and at bottom opening, seat 16 and corresponding cushion are fixed on the seat supporting member.As shown in Figure 3, two tube-like pieces 26 of formation back rest supports member are connected in together by the transverse bar 46 that is parallel to rotating shaft A.The rear portion distaff 46 of seat supporting member 44 is hinged.As shown in Figure 3, for example described hinged can the realization by a pair of lining 48, this lining 48 is supported by two opposing sidewalls of seat supporting member 44, and engages with bar 46 with rotating manner.Therefore, seat supporting member 44 between back rest supports member 26 and base component 14, around be parallel to jointed shaft A the axle B (Fig. 3) be hinged to back rest supports member 26.
The front portion of seat supporting member 44 is hinged with base component 14 by a pair of connecting rod 50.The bottom of each root connecting rod is hinged to base component 14 around axle 52, and the top of each connecting rod is hinged to seat supporting member 44 around axle 54. Jointed shaft 52 and 54 is parallel to rotating shaft A and B.From kinematic viewpoint, seat supporting member 44 links to each other with base component 14 by an articulated quadrilateral mechanism, and described quadrangular mechanism is by connecting jointed shaft A, B and connecting 53 and 54 line formation respectively.
Will be appreciated that: as long as seat supporting member 44 is hinged to back rest supports member 26, and force it, always then the vibration at backrest and seat is fixedly linked with the vibration of back rest supports member.
In addition, seat 10 is equipped with a device that is used at a plurality of diverse location lockings seat.Referring to Fig. 3, Fig. 4 and Fig. 5, locking device comprise one swing arm 56, the pars intermedia of swing arm 56 be hinged to horizontal pipe fitting 22 around axle A, first end of swing arm 56 is hinged to bar 46 around axle B, and second end has a plurality of holes 58,60 of matching with corresponding locking piece.A pair of elastomeric pad 62,64 preferably is equipped with in swing arm 56, and as shown in Figure 4 and Figure 5, elastomeric pad is exerted pressure to base component 14, to limit maximum position (Fig. 4) and the sweptback maximum position (Fig. 5) that backrest turns forward.
Referring to Fig. 8 to Figure 12, chair 10 comprises a control device 66, and manual operation control device 66 is used for locking or discharging the synchronous vibration of seat and backrest.Control device 66 comprises a support member 68 that is fixed on chair pedestal member 14.70 supported 68 of one Control Shafts support in the mode around itself vibration and can vibrate between latched position and off-position.Axle 70 is equipped with the handle that can manually control 71 at an one end.One transverse bolt 72 is fixed on the axle 70 and has one from support member 68 outwardly directed heads 74.Pin 72 cooperates with the arrestment mechanism 76 that defines corresponding to two holding positions of latched position and off-position.In the embodiment shown in the figures, arrestment mechanism 76 comprises first brake component 78 and second brake component 80, these brake components are provided with corresponding semicircle supporting base, and these supporting bases are by fixed relative to one another and can be in the part of their clamping pins to carry out brake operating.The axis of two brake component 78,80 edge axles 70 can slide to each other relatively, and two brake components are for example pushed by elasticity each other by the elastic component that is made of the helical spring in the pressure piece 84.Will be appreciated that:, can make the position of pin 72 from Fig. 9 and two operating positions shown in Figure 10 move quickly into another position by on axle 70 axis, apply moment of torsion by joystick 71 greater than predetermined value.
Control device 66 comprises a pair of locking pin 86,88, locking pin is being to slide in the corresponding bearing 90 of one with base component 14, as Fig. 9 and shown in Figure 10, locking pin 86,88 and swing arm 56 rectangular directions also, can between released position shown in Figure 9 and the locked position shown in Figure 10, slide.
Control device 66 comprises a pair of dog chart 92 (pin spring), each dog chart all have the first arm 94 that matches with the head 74 of pin 72 and with corresponding locking pin 86,88 in second arm 96 that matches of radial attachment 98.Each dog chart 92 has mid portion, so that by the pin 100 with support member 68 one of control device 66 it is freely rotated.From the comparison of Fig. 9 and Figure 10, find out, can control locking pin 86,88 from the slip of the retracted position (Fig. 9) that discharges from the off-position to the motion of locked position to the extraction position (Figure 10) of locking by spring 92, pin 72.
In the operating structure of Fig. 9, spring 92 is fixed on the non-operational retracted position locking pin 86,88.In this structure, swing arm 56 is around axle A free vibration.Torque spring 24 is pushed backrest and seat to shown in Figure 1A position, and backrest and seat are the user backward under the effect of applied thrust, freely to after vibration (for example receding).
For common position that the locking of seat and backrest is receded, the user sets the ideal position at backrest and seat, and handle 71 is moved towards latched position.The vibration of handle 71 makes pin 72 move to latched position shown in Figure 10.In this operating structure, the elastic force of spring 92 is pushed locking pin 86,88 to swing arm 56.As long as hole 58 or 60 is on the position with respect to pin 86 or 88, pin just is pushed in the hand-hole, so that match with the hole by corresponding spring 92.On latched position as shown in figure 10, swing arm 56 is connected as a single entity with base component 14, and in the locking pin 86,88 one rotates around axle A with having prevented swing arm 56 cooperating of respective aperture 58 or 60.We will recognize: the locking of swing arm 56 has stoped the vibration of seat and backrest, and each hole 58,60 defines the variable locking position of seat and backrest.
As shown in Figure 3, chair also is equipped with second handle 102 that can manually control, can manual operation second handle 102, thus control can be controlled the spring that chair height is regulated in a known way.

Claims (12)

1. one kind has the seat of synchronous vibration and the chair of backrest, comprising:
-one base component (14);
-one back rest supports member (26), it is hinged to base component (14) around first lateral shaft (A);
-one seat supporting member (44), it with the synchronous mode of the vibration of back rest supports member (26), can with respect to base component (14) mutually move and
-elastic device (24), its stop seat and backrest to after vibration,
It is characterized in that: a rear portion of seat supporting member (44) around second vibrating shaft (B) that is parallel to above-mentioned first (A), be hinged to back rest supports member (26), and a front portion of seat supporting member (44) links to each other with base component (14) by at least one articulated elements (50).
2. chair as claimed in claim 1, it is characterized in that: back rest supports member (26) is mounted in the mode of being vibrated by the horizontal pipe fitting (22) of base component (14) supporting around, and is fixed on the outer end that is positioned at the inboard torque arm (24) of described transversal tubular part (22).
3. chair as claimed in claim 2 is characterized in that: back rest supports member (26) comprises a pair of sidepiece pipe fitting (26) that is arranged on described horizontal pipe fitting (22) opposite end.
4. chair as claimed in claim 3 is characterized in that: above-mentioned sidepiece pipe fitting (26) is joined together by a cross bar (46) that defines above-mentioned second rotating shaft (B).
5. chair as claimed in claim 1 is characterized in that: seat supporting member (44) links to each other with base component (14) by a hinged quadrangular mechanism.
6. chair as claimed in claim 5 is characterized in that: the front portion of above-mentioned seat supporting member (44) is hinged to base component (14) by a pair of connecting rod (50).
7. chair as claimed in claim 5, it is characterized in that: above-mentioned torque arm (24) cooperates with an adjusting device (32), adjusting device comprises that a bar (32) and that is fixed on torque arm (24) middle part can regulate the screw mechanism (36,38) of described bar (32) position with respect to base component (14).
8. chair as claimed in claim 1 is characterized in that: it comprises locking device (56,66), is used for seat and backrest are locked at least one select location.
9. chair as claimed in claim 8, it is characterized in that: above-mentioned locking device (56) comprises a bar (56), this bar is hinged to base component (14) and is hinged to back rest supports member (26) around above-mentioned second lateral shaft (B) around described first lateral shaft (A), securing rod (56) cooperates with control device (66), control device comprises the locking piece (86,88) that at least one can move between not operation off-position and operational lock position.
10. chair as claimed in claim 9, it is characterized in that: above-mentioned control device (66) comprises a pair of locking pin (86,88), and locking pin slides with the direction perpendicular to brake bar (56) plane of oscillation, and close with corresponding hole (58, the 60) deploying that is contained on the securing rod (56).
11. chair as claimed in claim 10 is characterized in that: above-mentioned control device comprises a vibrating shaft (70) that has transverse bolt (72), and transverse bolt is controlled the slip of above-mentioned locking pin (86,88) by a pair of dog chart (92).
12. chair as claimed in claim 11 is characterized in that: above-mentioned control device (66) comprises a brake apparatus (76), and this device can be fixed on a latched position and off-position with described vibrating shaft (70) respectively.
CN01124833A 2000-06-06 2001-06-06 Chair with synchronously vibrative seat and back Pending CN1327781A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2000A000538 2000-06-06
IT2000TO000538A IT1320403B1 (en) 2000-06-06 2000-06-06 CHAIR WITH SEAT AND BACKREST OSCILLATING IN A SYNCHRONIZED WAY.

Publications (1)

Publication Number Publication Date
CN1327781A true CN1327781A (en) 2001-12-26

Family

ID=11457791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN01124833A Pending CN1327781A (en) 2000-06-06 2001-06-06 Chair with synchronously vibrative seat and back

Country Status (5)

Country Link
US (1) US20010050500A1 (en)
EP (1) EP1161904A1 (en)
JP (1) JP2002010852A (en)
CN (1) CN1327781A (en)
IT (1) IT1320403B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107041645A (en) * 2017-04-25 2017-08-15 安徽庆睿实业有限责任公司 Intelligent health-care office chair
CN107912908A (en) * 2016-10-07 2018-04-17 堡胜企业股份有限公司 Chair back buffer adjusting device and chair with same
CN107975552A (en) * 2016-10-24 2018-05-01 斯泰必鲁斯股份有限公司 Movable units for the operation controller and the particularly chair that activate brake

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1320420B1 (en) 2000-06-09 2003-11-26 Pro Cord Srl CHAIR WITH OSCILLATING SEAT.
JP4818506B2 (en) * 2000-11-06 2011-11-16 株式会社岡村製作所 Tilt device for backrest in chair
CN100569146C (en) * 2002-07-23 2009-12-16 株式会社冈村制作所 Chair
GB0609315D0 (en) * 2006-05-11 2006-06-21 Technicon Internat Man Service Improved seat
JP2008049079A (en) * 2006-08-28 2008-03-06 Kokuyo Co Ltd Rocking mechanism and chair
US8973995B2 (en) * 2009-02-25 2015-03-10 Donati S.P.A. Device for synchronizing the tilt of a chair back and seat
WO2011104735A1 (en) * 2010-02-26 2011-09-01 Donati S.P.A. Device for synchronizing the seat and backrest of a chair
JP5443301B2 (en) * 2010-08-31 2014-03-19 株式会社岡村製作所 Chair
JP5133382B2 (en) * 2010-08-31 2013-01-30 株式会社岡村製作所 Chair
ITUB20154688A1 (en) * 2015-10-15 2017-04-15 Co Fe Mo Ind S R L OSCILLATION MECHANISM FOR ADJUSTABLE CHAIRS
IT201600071468A1 (en) 2016-07-08 2018-01-08 Co Fe Mo Ind S R L OSCILLATION MECHANISM FOR CHAIRS
EP3927215A4 (en) 2019-02-21 2023-03-15 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11478082B2 (en) 2020-12-22 2022-10-25 Barbara Gervais Care chair

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO980034A1 (en) * 1998-01-16 1999-07-16 Miotto Int Comp MECHANICAL DEVICE FOR THE CONTROL OF THE SYNCHRONOUS MOVEMENT OF THE SEAT AND BACKREST OF A SEAT.
WO2000022959A1 (en) * 1998-10-20 2000-04-27 Protoned B.V. Chair mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107912908A (en) * 2016-10-07 2018-04-17 堡胜企业股份有限公司 Chair back buffer adjusting device and chair with same
CN107975552A (en) * 2016-10-24 2018-05-01 斯泰必鲁斯股份有限公司 Movable units for the operation controller and the particularly chair that activate brake
CN107041645A (en) * 2017-04-25 2017-08-15 安徽庆睿实业有限责任公司 Intelligent health-care office chair

Also Published As

Publication number Publication date
IT1320403B1 (en) 2003-11-26
US20010050500A1 (en) 2001-12-13
ITTO20000538A1 (en) 2001-12-06
JP2002010852A (en) 2002-01-15
EP1161904A1 (en) 2001-12-12
ITTO20000538A0 (en) 2000-06-06

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