TWI619453B - Adjustable seat back device - Google Patents
Adjustable seat back device Download PDFInfo
- Publication number
- TWI619453B TWI619453B TW105127965A TW105127965A TWI619453B TW I619453 B TWI619453 B TW I619453B TW 105127965 A TW105127965 A TW 105127965A TW 105127965 A TW105127965 A TW 105127965A TW I619453 B TWI619453 B TW I619453B
- Authority
- TW
- Taiwan
- Prior art keywords
- bracket
- fixing
- seat back
- movable portion
- seat
- Prior art date
Links
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
一種可調式椅背裝置,包括一可曲撓的椅背,一第一保持機構,一第二保持機構,一支持椅背的支架,及鎖定機構,其中,該第一保持機構係連接在椅背的第一位置與支架之間,該第二保持機構係連接在椅背的第二位置與支架之間,使椅背保持在支架上;該第二保持機構具有一第二固定部及一第二活動部,該第二固定部與椅背的第二位置相連,該第二活動部自由滑動於支架,係藉由鎖定機構將該第二活動部固定在支架上。在第一保持機構保持不動,而第二活動部滑動時,即可連動椅背的第二位置使該椅背產生變形而改變其曲度,用以調整對人體背部支撐的位置使其更具有貼背性。 An adjustable seat back device comprising a flexible seat back, a first retaining mechanism, a second retaining mechanism, a bracket supporting the seat back, and a locking mechanism, wherein the first retaining mechanism is coupled to the chair Between the first position of the back and the bracket, the second holding mechanism is connected between the second position of the seat back and the bracket to hold the seat back on the bracket; the second holding mechanism has a second fixing portion and a The second movable portion is connected to the second position of the seat back, and the second movable portion is slidably mounted on the bracket, and the second movable portion is fixed to the bracket by the locking mechanism. When the first holding mechanism is kept stationary, and the second movable portion is slid, the second position of the seat back can be interlocked to deform the seat back and change its curvature, so as to adjust the position of supporting the back of the human body to make it more Sticky.
Description
本發明係關於一種椅具,特別是一種可以配合使用需求調整椅背的曲度,使其更具有貼背性的可調式椅背裝置。 The invention relates to a chair set, in particular to an adjustable seat back device which can adjust the curvature of the seat back according to the needs of use, so as to make it more back-to-back.
為增加乘坐的舒適感,椅背的貼背性絕對是不可或缺的因素之一,長久的坐姿若沒有得到適當的支撐,不僅會感到腰酸背痛,更可能造成脊椎變形等永久的傷害。 In order to increase the comfort of the ride, the back of the seat back is definitely an indispensable factor. If the long sitting position is not properly supported, it will not only feel back pain, but also cause permanent damage such as spine deformation.
在先前的技術文獻中,有包括吾國公告第I327901號「墊體調整系統」、第I373317號「椅子之墊體結構改良」等專利是討論到這方面的問題。其中,第I327901號專利透過複雜的氣袋迴路,以充氣的方式將椅背***改變其曲度,使乘坐者的腰背部獲得支撐,雖然可以達到一定的效果,但是造價昂貴,而且這些充氣元件必須埋設在椅背中,若發生故障或產生錯誤動作將難以檢修和維護。 In the prior art documents, patents including the "After Body Adjustment System" of No. I327901 and the "Improvement of the Structure of the Chair" of the No. I373317 are discussed in this paper. Among them, the patent No. I327901 through the complicated air bag circuit, inflated the seat back ridge to change its curvature, so that the occupant's back is supported, although a certain effect can be achieved, but the cost is expensive, and these inflatable components It must be buried in the back of the chair and it will be difficult to repair and maintain in case of malfunction or malfunction.
至於第I373317號專利則是在椅背前裝設複數個彈性墊,透過拉繩的牽引使該彈性墊變形來支撐人體的背部,雖然結構較為簡單,但是這些彈性墊仍是被包覆在泡棉中,如果發生故障或錯誤動作,檢修時亦得將泡棉拆除和椅背分離,不但過程複雜、更可能在拆解時造成損害;再者,這些複數個彈性墊也只是局部地對人體背部支撐,且造成椅 背的變形及延展量有限,很難滿足乘坐者的需求。 As for the patent No. I373317, a plurality of elastic pads are arranged in front of the back of the chair, and the elastic pad is deformed by the pulling of the pull rope to support the back of the human body. Although the structure is relatively simple, the elastic pads are still covered in the bubble. In cotton, if a malfunction or malfunction occurs, the foam must be removed and separated from the back of the chair during maintenance. Not only is the process complicated, but it is more likely to cause damage during disassembly; in addition, these multiple elastic pads are only partially applied to the human body. Back support and cause the chair The deformation and extension of the back are limited and it is difficult to meet the needs of the occupants.
本發明為一種可調式椅背裝置,相較於先前技術,具有組裝便利,操作、維護簡易,以及椅背曲度調整的延展性更佳等優勢,其主要包括有一可曲撓的椅背,一第一保持機構,一第二保持機構,一支持椅背的支架,及鎖定機構,該第一保持機構係連接在椅背的第一位置與支架之間,該第二保持機構係連接在與椅背第一位置同側的第二位置與支架之間,使椅背保持在支架上;其中,該第二保持機構具有一第二固定部及一第二活動部,該第二固定部與椅背的第二位置相連,該第二活動部自由滑動於支架,係藉由鎖定機構將該第二活動部固定在支架上。在第一保持機構保持不動,而第二活動部滑動時,即可連動椅背產生變形改變其曲度,藉以調整對人體背部支撐的位置使其具有貼背性。 The invention is an adjustable seat back device, which has the advantages of convenient assembly, simple operation and maintenance, and better ductility of the back curvature adjustment, and mainly includes a flexible seat back, compared with the prior art. a first holding mechanism, a second holding mechanism, a support for supporting the seat back, and a locking mechanism, the first holding mechanism being connected between the first position of the seat back and the bracket, the second holding mechanism being connected Between the second position on the same side of the first position of the seat back and the bracket, the seat back is held on the bracket; wherein the second holding mechanism has a second fixing portion and a second movable portion, the second fixing portion Connected to the second position of the seat back, the second movable portion is free to slide on the bracket, and the second movable portion is fixed to the bracket by the locking mechanism. When the first holding mechanism is kept stationary, and the second movable portion is slid, the deformation of the back of the chair can be changed to change its curvature, thereby adjusting the position of supporting the back of the human body to make it have a backing property.
另外,所述第一保持機構具有一第一固定部及一第一活動部,該第一固定部係與椅背的第一位置相連,該第一活動部自由滑動於支架,藉由鎖定機構固定其在支架的相對位置;在解開鎖定後,第一及第二活動部相對支架的高度位置都可調整,因此,只要其中的任一活動部或該二活動部改變位置,椅背的曲度都會產生變化來滿足使用者的貼背需求。 In addition, the first holding mechanism has a first fixing portion and a first movable portion, and the first fixing portion is connected to the first position of the seat back, and the first movable portion is freely slidable on the bracket by the locking mechanism. Fixing the relative position of the bracket; after unlocking, the height positions of the first and second movable parts relative to the bracket can be adjusted, so that as long as any one of the movable parts or the two movable parts changes position, the back of the seat The curvature will change to meet the user's back-to-back needs.
另外,該第二活動部具有一套孔,套孔中設有一橫截面呈C字形的滑座,該滑座的頂端具有一向外突出的凸緣使滑座可掛接在第二活動部上,且該滑座的外側表面具有一可拆的固定板,其內側表面則具有複數與支架同向的肋條,固定板係一種硬度較佳的耐磨性材質,其位置係對 應於鎖定機構,在鎖定機構接觸到固定板並施力加壓時,會迫使該C字形的滑座產生彈性變形而夾緊支架產生制動(剎車)的作用,使該第二活動部可以無段式地在支架上調整其不同的高度位置;複數肋條的設計,可以在解除第二活動部的鎖定後減少對支架的磨擦,讓第二活動部在支架上的滑動更為順暢。 In addition, the second movable portion has a set of holes, and the sleeve has a slide with a C-shaped cross section, and the top end of the slide has an outwardly protruding flange so that the slide can be hooked on the second movable portion. The outer surface of the sliding seat has a detachable fixing plate, and the inner surface of the sliding seat has a plurality of ribs in the same direction as the bracket. The fixing plate is a wear-resistant material with better hardness, and the position is correct. In the locking mechanism, when the locking mechanism contacts the fixing plate and applies pressure, the C-shaped sliding seat is forced to elastically deform and the clamping bracket generates a brake (brake), so that the second movable portion can be free. The different height positions are adjusted on the bracket in a segment manner; the design of the plurality of ribs can reduce the friction on the bracket after the locking of the second movable portion is released, so that the sliding of the second movable portion on the bracket is smoother.
另外,該第二固定部上具有一對固定片及一固定桿,其對應椅背的第二位置上則設有一固定座,該固定座上對應一對固定片處具有一對固定槽,該一對固定片係分別***一對固定槽後,以固定桿穿過該一對固定片並固定在固定座中,使第二固定部與椅背的第二位置完成可拆式的接合,以利於組裝,及元件損壞的替換。 In addition, the second fixing portion has a pair of fixing pieces and a fixing rod, and a fixing seat is disposed at a second position corresponding to the seat back, and the pair of fixing pieces have a pair of fixing grooves at the pair of fixing pieces, After the pair of fixing pieces are respectively inserted into the pair of fixing grooves, the fixing rod passes through the pair of fixing pieces and is fixed in the fixing seat, so that the second fixing portion and the second position of the seat back are detachably engaged, Conducive to assembly, and replacement of component damage.
1‧‧‧椅背 1‧‧‧Back of the chair
10‧‧‧第一位置 10‧‧‧ first position
11‧‧‧第二位置 11‧‧‧second position
110‧‧‧固定座 110‧‧‧ fixed seat
111‧‧‧固定槽 111‧‧‧fixed slot
2‧‧‧第一保持機構 2‧‧‧First holding institution
20‧‧‧第一固定部 20‧‧‧First Fixed Department
21‧‧‧第一活動部 21‧‧‧First Activity Department
210‧‧‧導桿 210‧‧‧guides
211‧‧‧固定孔 211‧‧‧Fixed holes
3‧‧‧第二保持機構 3‧‧‧Second holding institution
30‧‧‧第二固定部 30‧‧‧Second fixed department
300‧‧‧固定片 300‧‧‧Fixed tablets
301‧‧‧固定桿 301‧‧‧Fixed rod
31‧‧‧第二活動部 31‧‧‧Second Activities Department
310‧‧‧套孔 310‧‧‧ hole sets
311‧‧‧滑座 311‧‧‧ slide
312‧‧‧固定板 312‧‧‧ fixed plate
313‧‧‧肋條 313‧‧‧ Ribs
314‧‧‧凸緣 314‧‧‧Flange
315‧‧‧容槽 315‧‧‧ 容容
316‧‧‧定位柱 316‧‧‧Positioning column
4‧‧‧支架 4‧‧‧ bracket
40‧‧‧中空部 40‧‧‧ Hollow
41‧‧‧定位孔 41‧‧‧Positioning holes
5‧‧‧鎖定機構 5‧‧‧Locking mechanism
50‧‧‧固定栓 50‧‧‧fixing bolt
圖1是配置有本發明之椅具的外觀圖。 Fig. 1 is an external view of a chair equipped with the present invention.
圖2是本發明之分解圖。 Figure 2 is an exploded view of the present invention.
圖3是本發明之組合圖。 Figure 3 is a combination diagram of the present invention.
圖4及圖5是本發明之另一實施例圖。 4 and 5 are views of another embodiment of the present invention.
圖6是本發明之操作圖,顯示第一保持機構的活動狀態。 Figure 6 is an operational diagram of the present invention showing the active state of the first holding mechanism.
圖7是本發明之另一操作圖,顯示第二保持機構的活動狀態。 Figure 7 is another operational view of the present invention showing the active state of the second retaining mechanism.
如圖1~圖3所示,本發明包括有一可曲撓的椅背1,一第一保持機構2,一第二保持機構3,一支持椅背1的支架4,及至少一鎖定機構5,其中,該第一保持機構2連接在椅背1的第一位置10與支架4之間,該第二保持機構3連接在椅背1的第二位置11與支架4之間,使椅背1保持在支架4上,若將該第一保持機構2固定,施力於該第二保持機構3在支架4上滑動,可連動椅背1的第二位置11改變其相對於支架4的高度位置;或,將該第二保持機構3固定,施力於該第一保持機構2在支架4上滑動,可連動椅背1的第一位置10改變其相動於支架4的高度位置;或,同時施力於該第一及第二保持機構2、3在支架4上滑動,可連動椅背1的第一及第二位置10、11改變其相對於支架4的高度位置;藉使該椅背1表面***產生曲度的變化,用以調整對人體背部支撐的位置使其更具有貼背性。 As shown in FIGS. 1 to 3, the present invention includes a flexible seat back 1, a first holding mechanism 2, a second holding mechanism 3, a bracket 4 supporting the seat back 1, and at least one locking mechanism 5. The first holding mechanism 2 is connected between the first position 10 of the seat back 1 and the bracket 4, and the second holding mechanism 3 is connected between the second position 11 of the seat back 1 and the bracket 4 to make the seat back 1 is held on the bracket 4, if the first holding mechanism 2 is fixed, the second holding mechanism 3 is slid on the bracket 4, and the second position 11 of the seat back 1 can be interlocked to change its height relative to the bracket 4. Positioning; or, fixing the second holding mechanism 3, applying force to the first holding mechanism 2 to slide on the bracket 4, and interlocking the first position 10 of the seat back 1 to change the height position of the bracket 4; or Simultaneously applying the first and second holding mechanisms 2, 3 to slide on the bracket 4, the first and second positions 10, 11 of the back 1 can be interlocked to change their height position relative to the bracket 4; The surface bulge of the back of the chair 1 produces a change in curvature, which is used to adjust the position of the support of the back of the human body to make it more back-to-back.
該第一保持機構2具有一第一固定部20及一第一活動部21,該第二保持機構3具有一第二固定部30及一第二活動部31,在各圖式所揭露的實施例中,該第一固定部20係連接在椅背1直立擺設時的頂端,該第二固定部30則連接在同側椅背1的底端,該第一、及第二活動部21、31則分別套設在支架4不同的高度位置,分別藉鎖定機構5加以固定而連接在支架4上,在解開鎖定機構5後,二活動部21、31相對支架4的高度位置便可調整。因此,只要其中的任一活動部21(31)或二活動部21、31改變位置,即可壓縮、或伸展椅背1使其表面***產生曲度的變化;換言之,二活動部21、31之間經調整後的距離越靠近,椅背1表面***的曲度越大,反之,二活動部21、31之間的 距離越遠,則椅背表面***的曲度就越小,是一種可得控制的調整,藉此調整滿足使用者不同的貼背需求。更甚者,該椅背1表面***的位置也可藉相同的操作方式受到控制;即,該椅背1表面***在較低位時可用以貼向人體的背部,反之,若將椅背1表面***的位置調整到高位時,則可以貼向人體的肩頸部作為倚靠。 The first holding mechanism 2 has a first fixing portion 20 and a first movable portion 21. The second holding mechanism 3 has a second fixing portion 30 and a second movable portion 31. The embodiments disclosed in the drawings are implemented. In the example, the first fixing portion 20 is connected to the top end of the seat back 1 when the seat back 1 is erected, and the second fixing portion 30 is connected to the bottom end of the same seat back 1, the first and second movable portions 21, 31 are respectively sleeved at different height positions of the bracket 4, and are respectively fixed by the locking mechanism 5 and connected to the bracket 4. After the locking mechanism 5 is unlocked, the height positions of the two movable portions 21, 31 relative to the bracket 4 can be adjusted. . Therefore, as long as any one of the movable portions 21 (31) or the two movable portions 21, 31 is changed in position, the seat back 1 can be compressed or stretched such that its surface bulge causes a change in curvature; in other words, the two movable portions 21, 31 The closer the adjusted distance is, the greater the curvature of the surface of the seat back 1 is raised, and vice versa, between the two movable parts 21, 31. The farther the distance is, the smaller the curvature of the back of the chair back is, and it is a controllable adjustment that can be adjusted to meet the different needs of the user. Moreover, the position of the surface of the seat back 1 can also be controlled by the same operation mode; that is, the surface of the seat back 1 can be used to stick to the back of the human body when the surface is raised in the lower position, and vice versa. When the position of the surface bulge is adjusted to a high position, it can be attached to the shoulder and neck of the human body as a leaning.
本發明之支架4具有一中空部40,該第一活動部21具有一導桿210,其表面上分佈有複數軸向排列的固定孔211,該導桿210係穿設於中空部40中,導桿210在中空部40中活動時便連動椅背1第一位置10的高度位置可調。該鎖定機構5具有一固定栓50,在鎖定時該固定栓50係穿過支架4及任一固定孔211中干涉導桿210活動,進而使椅背1的第一位置10被固定。 The bracket 4 of the present invention has a hollow portion 40. The first movable portion 21 has a guiding rod 210, and a plurality of axially arranged fixing holes 211 are disposed on the surface thereof. The guiding rod 210 is disposed in the hollow portion 40. When the guide rod 210 moves in the hollow portion 40, the height position of the first position 10 of the seat back 1 is adjusted. The locking mechanism 5 has a fixing bolt 50. When the locking bolt 50 is locked, the interference guiding rod 210 moves through the bracket 4 and any fixing hole 211, so that the first position 10 of the seat back 1 is fixed.
另外,在支架4上分佈有複數軸向排列的定位孔41,該第二活動部31具有一套孔310支持該第二活動部31在支架4上滑動。第二活動部31上配置有一鎖定機構5,如前所述,該鎖定機構5具有一固定栓50(參圖4或圖5),在鎖定時穿過該第二活動部31後伸入到任一定位孔41中干涉第二活動部31的滑動,進而使椅背1的第二位置11被固定。請參考圖2,在第二固定部30上具有一對固定片300及一固定桿301,其對應的椅背1第二位置11上則設有一固定座110,該固定座110上對應一對固定片300處具有一對固定槽111,該一對固定片300係分別***一對固定槽111後,以固定桿301穿過該一對固定片300並固定在固定座110中,使第二固定部30與椅背1的第二位置11完成可拆式的接合,以利於組裝,及元件損壞的替換。 In addition, a plurality of axially aligned positioning holes 41 are disposed on the bracket 4, and the second movable portion 31 has a set of holes 310 for supporting the second movable portion 31 to slide on the bracket 4. The second movable portion 31 is provided with a locking mechanism 5. As described above, the locking mechanism 5 has a fixing bolt 50 (refer to FIG. 4 or FIG. 5), and extends through the second movable portion 31 when locked. The sliding of the second movable portion 31 is interfered in any of the positioning holes 41, and the second position 11 of the seat back 1 is fixed. Referring to FIG. 2, the second fixing portion 30 has a pair of fixing pieces 300 and a fixing rod 301. The second seat 11 of the corresponding seat back 1 is provided with a fixing seat 110, and the fixing seat 110 has a pair of corresponding seats. The fixing piece 300 has a pair of fixing grooves 111. After the pair of fixing pieces 300 are respectively inserted into the pair of fixing grooves 111, the fixing rod 301 passes through the pair of fixing pieces 300 and is fixed in the fixing base 110, so that the second piece is fixed. The fixing portion 30 and the second position 11 of the seat back 1 are detachably engaged to facilitate assembly and replacement of component damage.
續請參考圖4及圖5,為本發明之另一實施例。在第二活動部31的套孔310中設有一橫截面呈C字形的滑座311,該滑座311的頂端具有一向外突出的凸緣314使滑座311可掛接在第二活動部31上,且該滑座311的外側表面具有一可拆的固定板312,其內側表面則具有複數與支架4同向的肋條313。這個滑座311的材質以塑膠或橡膠製者為佳,具有可彈性變形的特性。較佳者,該滑座311的外側表面尚具有一容槽315,係提供前述固定板312鑲入,容槽315中具有至少一定位柱316,係穿過固定板312將其固定。固定板312以一種硬度較佳的耐磨性材質為主,其位置係對應於鎖定機構5的固定栓50,也就是說,在固定栓50接觸到固定板312並施力加壓時,會迫使該C字形的滑座311產生彈性變形而夾緊支架4產生制動(剎車)的作用。如此一來,該支架4上就不需開設複數定位孔41,使該第二活動部31可以無段式地在支架4上調整其不同的高度位置,至於複數肋條313的設計,則可以在解除第二活動部31的鎖定後減少對支架4的磨擦,讓第二活動部31在支架4上的滑動更為順暢。 Continuing to refer to FIG. 4 and FIG. 5, another embodiment of the present invention. A sliding portion 311 having a C-shaped cross section is disposed in the sleeve hole 310 of the second movable portion 31. The top end of the sliding portion 311 has an outwardly protruding flange 314 for attaching the sliding portion 311 to the second movable portion 31. The outer surface of the sliding block 311 has a detachable fixing plate 312, and the inner side surface has a plurality of ribs 313 in the same direction as the bracket 4. The material of the sliding seat 311 is preferably made of plastic or rubber, and has elastic deformation properties. Preferably, the outer surface of the sliding block 311 further has a receiving groove 315 for providing the fixing plate 312. The receiving groove 315 has at least one positioning post 316 which is fixed through the fixing plate 312. The fixing plate 312 is mainly made of a wear-resistant material with better hardness, and its position corresponds to the fixing bolt 50 of the locking mechanism 5, that is, when the fixing bolt 50 contacts the fixing plate 312 and applies pressure, The C-shaped slide 311 is forced to elastically deform and the clamp bracket 4 acts to generate a brake (brake). Therefore, the plurality of positioning holes 41 are not required to be provided on the bracket 4, so that the second movable portion 31 can adjust the different height positions on the bracket 4 without a segment. As for the design of the plurality of ribs 313, When the locking of the second movable portion 31 is released, the friction on the bracket 4 is reduced, and the sliding of the second movable portion 31 on the bracket 4 is made smoother.
圖6為本發明的操作圖,椅背1的第一位置10可藉由第一保持機構2的導桿210連動、在支架4中自由調整其高度的位置,這個時候,若連接在椅背1第二位置11的第二保持機構3是固定的,則藉由椅背1的第一位置10改變,就可以使椅背1變形取得不同曲度的變化來貼靠人體的背部,最終在使用者確定了貼背需求後透過鎖定機構5來固定。圖7是本發明的另一操作圖,同理,椅背1的高度在經由導桿210的活動而確定位置後,透過鎖定機構5將其第一位置10固定下來,藉由 調整第二保持機構3連動椅背1的第二位置11,一樣可以使椅背1變形而取得不同曲度的變化來貼靠人體的背部,這時通常是指下背的部份,最終在使用者確定了貼背需求後以鎖定機構5來固定。當然,如果要使可曲撓的椅背1得到最大的展延或收縮,亦可以同時調整第一保持機構2及第二保持機構3相對於支架4的位置來連動椅背1的第一位置10及第二位置11而使椅背1產生曲度的變化。 Figure 6 is an operation diagram of the present invention, the first position 10 of the seat back 1 can be freely adjusted in the bracket 4 by the guide rod 210 of the first holding mechanism 2, at this time, if connected to the seat back 1 The second holding mechanism 3 of the second position 11 is fixed, and by changing the first position 10 of the seat back 1, the seat back 1 can be deformed to obtain different curvature changes to abut the back of the human body, and finally The user determines the backing requirement and fixes it through the locking mechanism 5. Figure 7 is another operation diagram of the present invention. Similarly, after the height of the seat back 1 is determined by the movement of the guide bar 210, the first position 10 is fixed by the locking mechanism 5, by Adjusting the second holding mechanism 3 to interlock the second position 11 of the seat back 1 can also deform the seat back 1 to obtain different curvature changes to abut the back of the human body, which is usually referred to as the lower back portion, and is finally used. It is determined that the backing requirement is fixed by the locking mechanism 5. Of course, if the flexible seat back 1 is to be maximally extended or contracted, the first position of the seat back 1 can be interlocked by adjusting the positions of the first holding mechanism 2 and the second holding mechanism 3 relative to the bracket 4 at the same time. 10 and the second position 11 cause the seat back 1 to change in curvature.
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW105127965A TWI619453B (en) | 2016-08-31 | 2016-08-31 | Adjustable seat back device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW105127965A TWI619453B (en) | 2016-08-31 | 2016-08-31 | Adjustable seat back device |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI619453B true TWI619453B (en) | 2018-04-01 |
TW201811235A TW201811235A (en) | 2018-04-01 |
Family
ID=62639058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW105127965A TWI619453B (en) | 2016-08-31 | 2016-08-31 | Adjustable seat back device |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI619453B (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW223773U (en) * | 1993-07-02 | 1994-05-11 | Tay Huah Furniture Corp | |
TWM336733U (en) * | 2008-02-26 | 2008-07-21 | yao-quan Wu | Improvement of chair back structure |
-
2016
- 2016-08-31 TW TW105127965A patent/TWI619453B/en active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW223773U (en) * | 1993-07-02 | 1994-05-11 | Tay Huah Furniture Corp | |
TWM336733U (en) * | 2008-02-26 | 2008-07-21 | yao-quan Wu | Improvement of chair back structure |
Also Published As
Publication number | Publication date |
---|---|
TW201811235A (en) | 2018-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10045623B2 (en) | Variable-sized occupant support | |
US9090185B2 (en) | Seat with pneumatic headrest and thigh adjustment | |
JP5519652B2 (en) | Armrest device | |
US20090058161A1 (en) | Vehicle seat neck protection device | |
US9669933B2 (en) | Head rest mechanisms and assemblies | |
JP2016529074A5 (en) | ||
TWI619453B (en) | Adjustable seat back device | |
JP2016529075A (en) | Mounting device for wheelchair leg support and back angle device for wheelchair | |
CN107788736A (en) | Adjustable chair back device | |
TW201320929A (en) | Height adjustable structure of chair lumbar support and headrest | |
JP3216152U (en) | Adjustable curvature of chair backrest | |
CN107485210A (en) | Adjustable back support member for sitting surface | |
TW201932050A (en) | Chair back curvature adjustment device | |
TW201932051A (en) | Chair back curvature adjustment device | |
KR101388963B1 (en) | Seat device adjustable by user | |
JP6445564B2 (en) | Wheelchair removable coupling bar | |
CN103395383A (en) | Child safety seat | |
CN102294969B (en) | Seat cushions | |
CN209738878U (en) | Inclination angle adjusting mechanism of child safety seat | |
KR20090001434U (en) | A Collapsible Chair | |
CN108974033A (en) | A kind of seat and compartment | |
KR101803653B1 (en) | Sliding seat structure applying safeguards | |
KR101974525B1 (en) | Backrest Chair | |
JP2016529073A5 (en) | ||
JP2014128408A (en) | Stretch device |