TWI635824B - Seat and seat back linkage - Google Patents
Seat and seat back linkage Download PDFInfo
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- TWI635824B TWI635824B TW106127381A TW106127381A TWI635824B TW I635824 B TWI635824 B TW I635824B TW 106127381 A TW106127381 A TW 106127381A TW 106127381 A TW106127381 A TW 106127381A TW I635824 B TWI635824 B TW I635824B
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Abstract
一種椅座與椅背之連動裝置，主要係設於一種分離式之椅座與椅背上，包括：一滑動式底盤、二扶手架與一連結椅座及椅背之樞接件，其中該滑動式底盤係由二滑軌及一滑座組成，該二滑軌係固定於椅座底端，滑座係滑套於二滑軌間；該二扶手架係固定於底盤之滑座上，並左右伸出於椅座之兩側外，其後端係分別與椅背之兩側樞接；該連結椅座及椅背之樞接件係包括一固定於椅座之第一樞接座與固定於椅背之第二樞接座，該第一、二樞接座之樞接端係設為可活動之滑移樞點；藉此，椅座與椅背即可在滑動式底盤所形成之滑動點、二扶手架與椅背所形成之樞轉支點以及連結椅座及椅背之樞接件所形成的滑移樞點三點間的連動關係，使當椅背在往後傾仰時，可透過椅背連動椅座往前位移，使乘坐者的身體重心向前而增加乘坐向後仰之穏定度目的者。 The device for interlocking the seat and the back of the chair is mainly disposed on a separate seat and the back of the chair, comprising: a sliding chassis, two armrests and a connecting seat and a pivoting member of the seat back, wherein the The sliding chassis is composed of two sliding rails and a sliding seat, the two sliding rails are fixed on the bottom end of the seat, and the sliding bracket is sleeved between the two sliding rails; the two armrest brackets are fixed on the sliding seat of the chassis, and The left and right protruded from the two sides of the seat, and the rear ends thereof are respectively pivotally connected to the two sides of the seat back; the pivoting member of the connecting seat and the back includes a first pivoting seat fixed to the seat and The second pivoting seat fixed to the back of the chair, the pivoting ends of the first and second pivoting seats are set as movable sliding pivot points; thereby, the seat and the back of the seat can be formed on the sliding chassis The sliding point, the pivotal fulcrum formed by the two armrests and the back of the chair, and the interlocking relationship between the three points of the sliding pivot point formed by the pivoting members connecting the seat and the back of the seat, so that the back of the chair is tilted backwards At that time, the seat can be moved forward through the seat back, so that the occupant's body center of gravity moves forward and increases the rider's degree of backwardness.
Description
本發明是有關於一種椅座與椅背之連動裝置，透過該連動裝置讓椅背在傾仰的同時可連動椅座向前位移，讓乘坐者的身體重心能夠前移而保持穩定作用。 The invention relates to a linkage device between a seat and a seat back. Through the linkage device, the seat back can be moved forward while the seat back is tilted, so that the center of gravity of the occupant can be moved forward to maintain a stable function.
按，目前辦公椅的使用除了基本坐靠功能外，仰躺功能之需要性也日漸提高，對於經常性、長時間坐在辦公椅上之工作者如電腦使用者而言，一辦公椅已被當作工作椅、休息椅或休閒椅等多用途使用，故辦公椅之椅背的角度調整範圍就必須符合上述多用途之使用功能，因此，坊間較好的辦公椅大多設有可調椅背傾角之設計，惟，該可調椅背傾角設計之椅具當乘坐者位於坐墊上而令其倚靠在椅背上的背部向後仰躺時，容易導致乘坐者整個身體的重心向後移動，如此會容易造成乘坐者重心不穏，進而發生翻倒的危險性。 According to the current use of office chairs, in addition to the basic seating function, the need for the reclining function is also increasing. For workers who often sit in office chairs for a long time, such as computer users, an office chair has been As a work chair, rest chair or leisure chair for multi-purpose use, the angle adjustment range of the back of the office chair must meet the above-mentioned multi-purpose function. Therefore, most of the better office chairs have adjustable seat backs. The design of the dip angle, however, the chair with the adjustable reclining design is easy to cause the occupant's center of gravity to move backwards when the occupant is lying on the seat cushion and leaning back against the back of the seat back. It is easy to cause the occupant's center of gravity to fall, and the risk of falling over.
因此，有人創作出一種坐墊與椅背之間的連動裝置(申請案號：第104207461號)，主要是透過連結椅背的椅背支座前上端樞固在一底座上，並在底座的前下端與椅背支座的稍中間處分別設有其上端樞固於坐墊背面前後的前、後連 件，同時椅背支座的前下端穿設一伸入底座內的軸桿，並在底座內設一彈力頂推住該軸桿的彈力頂推單元，且在前連件與軸桿之間樞固連結連動件，讓椅背向後傾仰時，坐墊會稍微前移、並令其後端稍向下沈降，進而使得乘坐者重心前移而增加乘坐仰躺時的穩固與安全，同時也令仰躺時的施力更為輕鬆容易，且讓整乘坐的部位具有前後搖動的舒適性。 Therefore, some people have created a linkage between the seat cushion and the seat back (application number: No. 104207461), mainly by pivoting the front upper end of the seat back support connected to the back of the seat to a base and in front of the base. The lower end and the middle of the seat back support are respectively provided with front and rear ends whose front ends are pivoted to the front and rear of the seat cushion. And the front lower end of the seat back support is provided with a shaft extending into the base, and a spring force pushing top of the shaft is arranged in the base, and between the front piece and the shaft When the back of the chair is tilted backwards, the seat cushion will move forward slightly and the rear end of the seat will be slightly lowered downward, which will make the occupant's center of gravity move forward and increase the stability and safety when riding on the back. It makes it easier and easier to lie on the back, and the whole ride has the comfort of front and rear rocking.
惟該結構之缺點在於：(1)坐墊前移之距離有限。(2)坐墊與椅背傾角無法呈大角度之傾角供乘坐者仰躺。 However, the disadvantages of this structure are: (1) The distance the cushion advances is limited. (2) The seat cushion and the reclining angle of the chair cannot be inclined at a large angle for the occupant to lie on.
有鑑於習見之座椅椅背調整結構有上述之缺點，發明人乃針對該些缺點研究改進之道，終於有本發明產生。 In view of the above-mentioned shortcomings of the seat back adjustment structure of the prior art, the inventors have studied the improvement of these shortcomings, and finally the present invention has been produced.
本發明之主要目的在於提供一種椅座與椅背之連動裝置，透過該連動裝置讓椅背在傾仰的同時可連動椅座向前位移，讓乘坐者的身體重心能夠前移而保持穩定作用。 The main object of the present invention is to provide a linkage between a seat and a seat back, through which the back of the seat can be moved forward while the seat back is tilted, so that the center of gravity of the occupant can be moved forward to maintain stability. .
本發明為達成上述目的及功效，其所採行的技術手段包括：一滑動式底盤、二扶手架與一連結椅座及椅背之樞接件，其中該滑動式底盤係由二滑軌及一滑座組成，該二滑軌係固定於椅座底端，滑座係滑套於二滑軌間；該二扶手架係固定於底盤之滑座上，並左右伸出於椅座之兩側外，其後端係分別與椅背之兩側樞接；該連結椅座及椅背之樞接件係包括一固定於椅座之第一樞接座與固定於椅背之第二樞接 座，該第一、二樞接座之樞接端係設為可活動之滑移樞點；藉此，椅座與椅背即可在滑動式底盤所形成之滑動點、二扶手架與椅背所形成之樞轉支點以及連結椅座及椅背之樞接件所形成的滑移樞點三點間的連動關係，使當椅背在往後傾仰時，可透過椅背連動椅座往前位移，使乘坐者的身體重心向前而增加乘坐向後仰之穏定度目的者。 In order to achieve the above object and effect, the technical means adopted by the present invention include: a sliding chassis, two armrest frames, and a pivoting member connecting the seat and the back of the chair, wherein the sliding chassis is composed of two sliding rails and a sliding seat is formed, the two sliding rails are fixed on the bottom end of the seat, and the sliding seat is sleeved between the two sliding rails; the two handrails are fixed on the sliding seat of the chassis, and protrude from left and right on both sides of the seat In addition, the rear end is pivotally connected to the two sides of the seat back; the pivoting member of the connecting seat and the back includes a first pivoting seat fixed to the seat and a second pivoting fixed to the back of the seat The pivotal end of the first and second pivoting seats is set as a movable sliding pivot point; thereby, the seat and the back of the chair can be formed at the sliding point of the sliding chassis, the two armrests and the chair The pivotal fulcrum formed by the back and the interlocking relationship between the three points of the sliding pivot point formed by the pivotal joints connecting the seat and the back of the seat enable the seat back to be coupled through the seat back when the seat back is tilted backward Displacement forward, so that the occupant's body center of gravity forwards and increases the rider's squat.
至於本發明之詳細構造、應用原理、作用與功效，則參照下列依附圖所作之說明即可得到完全的瞭解： As for the detailed construction, application principle, function and effect of the present invention, a complete understanding can be obtained by referring to the following description according to the drawings:
10‧‧‧滑座底盤 10‧‧‧Sliding chassis
11‧‧‧滑軌 11‧‧‧Slide rails
12‧‧‧滑座 12‧‧‧Slide
120‧‧‧套孔 120‧‧‧ hole sets
13‧‧‧橫支條 13‧‧‧ transverse strips
130‧‧‧定位孔 130‧‧‧Positioning holes
20‧‧‧扶手架 20‧‧‧Handrail
21‧‧‧穿孔 21‧‧‧Perforation
30‧‧‧樞接件 30‧‧‧ pivotal parts
31‧‧‧第一樞接座 31‧‧‧First pivoting seat
310‧‧‧鎖孔 310‧‧‧Keyhole
311‧‧‧水平向板面 311‧‧‧ horizontal to the surface
312‧‧‧樞耳 312‧‧‧ ‧ ear
313‧‧‧樞孔 313‧‧‧Pivot hole
32‧‧‧第二樞接座 32‧‧‧Second pivoting seat
320‧‧‧鎖孔 320‧‧‧Keyhole
321‧‧‧垂直向板面 321‧‧‧Vertical board
322‧‧‧樞接耳 322‧‧‧ pivoting ears
323‧‧‧樞接孔 323‧‧‧Pivot hole
33‧‧‧栓件 33‧‧‧Bolts
40‧‧‧椅座 40‧‧‧ seat
41‧‧‧樞接片 41‧‧‧ pivoting piece
42‧‧‧樞軸 42‧‧‧ pivot
50、50’‧‧‧椅背 50, 50’‧‧‧ back
51‧‧‧外層椅背 51‧‧‧Outer seat back
52‧‧‧內層椅背 52‧‧‧ Inner seat back
60‧‧‧椅腳 60‧‧‧ Chair feet
61‧‧‧氣壓棒 61‧‧‧ gas pressure rod
A‧‧‧滑動點 A‧‧‧Sliding point
B‧‧‧樞轉支點 B‧‧‧ pivot fulcrum
C‧‧‧滑移樞點 C‧‧‧slip pivot point
D‧‧‧樞接點 D‧‧‧ pivot point
E‧‧‧活動樞點 E‧‧‧ Activity pivot point
第1圖是本發明第一實施例之立體示意圖。 Fig. 1 is a perspective view showing a first embodiment of the present invention.
第2圖是本發明第一實施例之結構立體示意圖。 Fig. 2 is a perspective view showing the structure of the first embodiment of the present invention.
第3圖是本發明第一實施例另一視角之結構立體示意圖。 Fig. 3 is a perspective view showing the structure of another perspective of the first embodiment of the present invention.
第4圖是本發明第一實施例之平面示意圖。 Figure 4 is a plan view showing the first embodiment of the present invention.
第5圖是本發明第一實施例未傾仰時之簡意示意圖。 Fig. 5 is a schematic view showing the first embodiment of the present invention when it is not tilted.
第6圖是本發明第一實施例傾仰時之簡意示意圖。 Fig. 6 is a schematic view showing the first embodiment of the present invention when it is tilted.
第7圖是本發明第一實施例供乘坐時之動作示意圖(未傾仰狀態時)。 Fig. 7 is a view showing the operation of the first embodiment of the present invention for riding (when not in the tilting state).
第8圖是本發明第一實施例供乘坐時之動作示意圖(傾仰狀態)。 Fig. 8 is a view showing the action (the tilting state) of the first embodiment of the present invention for riding.
第9圖是本發明第二實施例之簡意示意圖(未傾仰狀態時)。 Figure 9 is a schematic view of the second embodiment of the present invention (when not in the tilted state).
第10圖是本發明第二實施例之簡意示意圖(傾仰狀態時)。 Fig. 10 is a schematic view showing the second embodiment of the present invention (in the tilting state).
第1圖係本發明第一實施例之立體示意圖，由其參照第2、3、4圖之結構立體示意圖及平面示意圖，可以很明顯地看出，本發明一種椅座與椅背之連動裝置，主要係設於一種分離式之椅座與椅背，係包括：一滑動式底盤10，係由二滑軌11及一滑座12組成，該二滑軌11係固定於椅座40底端，滑座12係滑套於二滑軌11間，於本實施中該二滑軌11為相對之ㄈ型狀，並藉由若干橫支條13於上端處連結，於該等橫支條13伸出之兩端設定位孔130，該滑座12係藉由兩側翼滑套於二滑軌11中，於中心處設有一供椅腳60氣壓棒61連結之套孔120。 1 is a perspective view of a first embodiment of the present invention, which is a perspective view and a plan view of the structure of FIGS. 2, 3, and 4, and it can be clearly seen that the seat and the back of the device are interlocked with each other. The utility model is mainly provided on a separate seat and a seat back, comprising: a sliding chassis 10, which is composed of two sliding rails 11 and a sliding seat 12, and the two sliding rails 11 are fixed at the bottom end of the seat 40. The sliding seat 12 is sleeved between the two sliding rails 11. In the present embodiment, the two sliding rails 11 are in the shape of a pair of opposite rails, and are connected at the upper end by a plurality of horizontal supporting strips 13 on the horizontal supporting strips 13 The extending ends are provided with the positioning holes 130. The sliding blocks 12 are sleeved in the two sliding rails 11 by the two side wings, and a sleeve hole 120 for connecting the pneumatic feet 61 of the leg 60 is provided at the center.
二扶手架20，係固定於底盤10之滑座12上，並左右伸出於椅座40之兩側外，其後端係分別與椅背50之兩側樞接，於本實施例中該二扶手架20係呈“└”形，其後端垂直向上端設一穿孔21，再於該穿孔21相對位置之椅背50處固定一樞接片51而利用一樞軸52將二扶手架20與椅背50相樞接，以形成一樞轉支點B。 The two armrests 20 are fixed on the sliding seat 12 of the chassis 10 and extend from the left and right sides of the seat 40, and the rear ends thereof are respectively pivotally connected to the two sides of the seat back 50. In this embodiment, The two armrests 20 are in the shape of a "└" shape, and a rear end is vertically provided with a through hole 21, and a pivoting piece 51 is fixed at the back 50 of the opposite position of the through hole 21, and the second armrest is fixed by a pivot 52. 20 is pivotally coupled to the seat back 50 to form a pivot fulcrum B.
一連結椅座40及椅背50之樞接件30，係包括一固定於椅座40之第一樞接座31與固定於椅背50之第二樞接座32，該第一、二樞接座31、32之樞接端係設為可活動之滑移樞點C。於本實施例中該固定於椅座40之第一樞接座31係設有具若干鎖孔310之水平向板面311與往後端延伸呈平行垂直向 之二樞耳312，又二樞耳312之外端部設有樞孔313，而該固定於椅背50之第二樞接座32係設有具若干鎖孔320之垂直向板面321與往下端延伸呈平行垂直向之二樞接耳322，又二樞接耳322內設有長條狀之樞接孔323，係與第一樞接座31之樞孔313利用一栓件33相互樞接。 The pivoting member 30 of the connecting seat 40 and the seat back 50 includes a first pivoting seat 31 fixed to the seat 40 and a second pivoting seat 32 fixed to the seat back 50. The first and second pivots The pivoting ends of the seats 31, 32 are set as movable sliding pivot points C. In the embodiment, the first pivoting seat 31 fixed to the seat 40 is provided with a horizontal plate surface 311 having a plurality of locking holes 310 and extending parallel to the rear end. The second pivoting portion 312 and the second pivoting end 312 are provided with a pivot hole 313, and the second pivoting seat 32 fixed to the seat back 50 is provided with a vertical facing surface 321 having a plurality of locking holes 320. The lower pivoting end 322 extends parallel to the two pivoting ears 322, and the two pivoting ears 322 are provided with an elongated pivoting hole 323, and the pivot hole 313 of the first pivoting seat 31 is mutually connected by a bolt 33. Pivot.
而藉由上述構件之組成，續請參閱第5、6圖之簡圖所示，由於該滑動式底盤10之兩側滑軌11係與椅座40連結，使之該椅座40與連結於滑座12上之椅腳60間可形成一前後向位移之滑動點A，而該與滑座12固定之二扶手架20與椅背50間則是產生出可供椅背50與椅腳60限位之樞轉支點B，另該連結椅座40與椅背50之樞接件30則是以其第一、二樞接座31、32樞接端所形成之滑移樞點C，令該椅座40與椅背50具有可活動滑移之樞轉擺動；據此，椅座40與椅背50即可在滑動式底盤10所產生之滑動點A、二扶手架20與椅背50所產生之樞轉支點B以及連結椅座40與椅背50之樞接件30之滑移樞點C三點間的連動關係，使當椅背50在往後傾仰時，由於該連結於滑座12上之扶手架20係與椅背50受樞轉支點B之限位作用，因此，椅座40與椅背50即可藉由樞接件30之第一、二樞接座31、32樞接端所形成之滑移樞點C供椅背樞轉，同時令固定於椅座40處之第一樞接座因滑移樞點C位移的作用，而將椅座40利用其底部之滑動式底盤10產生前移動作，故當乘坐者向後仰靠而使椅背40呈傾仰角度時，即可透過椅背50連動椅 座40往前位移，使乘坐者的身體重心向前而增加乘坐者向後仰躺之穏定度目的者(如第7、8圖)。 With the composition of the above-mentioned members, as shown in the simplified diagrams of FIGS. 5 and 6, since the slide rails 11 on both sides of the sliding chassis 10 are coupled to the seat 40, the seat 40 is coupled to the seat 40. A sliding point A of the forward and backward displacement can be formed between the legs 60 of the sliding seat 12, and the armrest frame 20 and the seat back 50 fixed to the sliding seat 12 are provided for the seat back 50 and the leg 60. The pivoting pivot point B of the limiting seat, and the pivoting member 30 of the connecting seat 40 and the seat back 50 is a sliding pivot point C formed by the pivoting ends of the first and second pivoting seats 31 and 32, The seat 40 and the seat back 50 have a pivotal swing of movable sliding; accordingly, the seat 40 and the seat back 50 can be at the sliding point A, the second arm frame 20 and the seat back 50 generated by the sliding chassis 10 The resulting pivot fulcrum B and the interlocking relationship between the joint seat 40 and the pivot point C of the pivoting member 30 of the seat back 50 are such that when the seat back 50 is tilted backward, The armrest frame 20 on the sliding seat 12 and the seat back 50 are restricted by the pivoting fulcrum B. Therefore, the seat 40 and the seat back 50 can be supported by the first and second pivoting seats 31 of the pivoting member 30, Sliding pivot point formed by 32 pivotal ends C pivots the back of the chair, and at the same time, the first pivoting seat fixed at the seat 40 is displaced by the sliding pivot point C, and the seat 40 is moved forward by the sliding chassis 10 at the bottom thereof. When the occupant leans back and the seat back 40 is tilted, the chair can be moved through the back 50 The seat 40 is displaced forward, so that the occupant's body center of gravity moves forward and increases the occupant's tendency to lie back (as shown in Figures 7, 8).
第9、10圖係本發明之第二實施例之平面示意圖，由該二圖所示，可知本發明第二實施例之結構係以前述之第一實施例為基礎，其差異僅在於該椅背50’係為內外之雙層椅背51、52，其中該外層椅背51之近下方位置係供兩扶手架20樞接，而該內層椅背52底端部與椅座40後端部則是另設有一樞接點D相樞接，又該內外層椅背51、52近上位之相接處設有一活動樞點E樞接，藉此，當該椅背50’往後傾仰時，其外層椅背51即以與扶手架20之樞轉支點B往後擺動，而內層椅背52底端由於與椅座40後端設樞接點D樞接，再者由於在近上位背端設有與外層椅背51相樞接且可相互滑移之活動樞點E，因此，當椅座40利用樞接件30之滑移樞點C產生前移動作時，該內層椅背52隨即可受與椅座40之樞接關係而達到同步之連動滑移，據此，不論該椅背50’與椅座40呈任何角度之仰躺，其後端都不會有間隙之產生，令乘坐者之背部得以可完全與該椅背50’貼合，以提升仰躺時之舒適性目的者。 9 and 10 are schematic plan views of a second embodiment of the present invention. As shown in the two figures, it is understood that the structure of the second embodiment of the present invention is based on the first embodiment described above, and the difference lies only in the chair. The back 50' is a double-layered back 51, 52 of the inner and outer sides, wherein the lower position of the outer back 51 is for pivoting the two armrests 20, and the bottom end of the inner back 52 and the rear end of the seat 40 The other part is provided with a pivotal point D-phase pivotal connection, and a joint pivot point E is pivotally connected to the upper end of the inner and outer seat backs 51, 52, whereby the seat back 50' is tilted backward When it is raised, the outer seat back 51 is swung back and forth with the pivot point B of the armrest frame 20, and the bottom end of the inner seat back 52 is pivotally connected with the pivot point D of the rear end of the seat 40, and The upper rear end is provided with a movable pivot point E which is pivotally connected to the outer seat back 51 and can slide relative to each other. Therefore, when the seat 40 is moved forward by the sliding pivot point C of the pivoting member 30, the inner portion is The layer back 52 can be synchronized with the seat 40 to achieve synchronous interlocking slip, whereby the back of the seat back 50' and the seat 40 are at any angle, and the rear end is not There the gap, so that the back of the occupant can be fully 50 'attached to the seat back, in order to enhance comfort when the object person supine.
需說明的是，上述椅座與椅背之連動裝置在實際使用操作時，該滑動式底盤10係設有控制桿以啟動該滑軌11與滑座12滑移或定位，藉以可選定其所欲調節到之椅背傾斜角度(由於此結構及其作動，係為習知技術，且非為本創作技術特徵，在此故不多加贅述)。 It should be noted that, in the actual use operation of the above-mentioned seat and the backrest linkage device, the sliding chassis 10 is provided with a control lever to activate the sliding rail 11 and the sliding seat 12 to slide or position, thereby selecting the same. The tilt angle of the back of the chair to be adjusted (because of this structure and its actuation, it is a conventional technique, and is not a feature of the creative technique, so it will not be described here).
綜上所述，本發明椅座與椅背之連動裝置，在同類產品中實有其極佳之進步實用性，同時遍查國內外關於此類結構之技術資料，文獻中亦未發現有相同的構造存在在先，是以，本發明實已具備發明專利要件，爰依法提出申請。 In summary, the linkage device of the seat and the back of the present invention has excellent advancement and practicability in the same kind of products, and at the same time, the technical materials of such structures are frequently inspected at home and abroad, and the same is not found in the literature. The structure exists first, so that the present invention already has the invention patent requirements, and the application is filed according to law.
惟，以上所述者，僅係本發明之較佳可行實施例而已，故舉凡應用本發明說明書及申請專利範圍所為之等效結構變化，理應包含在本發明之專利範圍內。 However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106127381A TWI635824B (en) | 2017-08-11 | 2017-08-11 | Seat and seat back linkage |
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| Application Number | Priority Date | Filing Date | Title |
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| TW106127381A TWI635824B (en) | 2017-08-11 | 2017-08-11 | Seat and seat back linkage |
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| Publication Number | Publication Date |
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| TWI635824B true TWI635824B (en) | 2018-09-21 |
| TW201909793A TW201909793A (en) | 2019-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| TW106127381A TWI635824B (en) | 2017-08-11 | 2017-08-11 | Seat and seat back linkage |
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| TW (1) | TWI635824B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM256119U (en) * | 2003-12-31 | 2005-02-01 | Hui Chu Tsai Co Ltd | Improved office chair with a high seat back |
| TWM447725U (en) * | 2012-07-24 | 2013-03-01 | Tayhuah Furniture Corp | Seat adjustment device |
| CN103108572A (en) * | 2010-08-25 | 2013-05-15 | L&P财产管理公司 | Tilt mechanism for a chair and chair |
-
2017
- 2017-08-11 TW TW106127381A patent/TWI635824B/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM256119U (en) * | 2003-12-31 | 2005-02-01 | Hui Chu Tsai Co Ltd | Improved office chair with a high seat back |
| CN103108572A (en) * | 2010-08-25 | 2013-05-15 | L&P财产管理公司 | Tilt mechanism for a chair and chair |
| TWM447725U (en) * | 2012-07-24 | 2013-03-01 | Tayhuah Furniture Corp | Seat adjustment device |
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| TW201909793A (en) | 2019-03-16 |
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