CN1264562A - Chair with foot rest - Google Patents
Chair with foot rest Download PDFInfo
- Publication number
- CN1264562A CN1264562A CN00102374A CN00102374A CN1264562A CN 1264562 A CN1264562 A CN 1264562A CN 00102374 A CN00102374 A CN 00102374A CN 00102374 A CN00102374 A CN 00102374A CN 1264562 A CN1264562 A CN 1264562A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- mentioned
- rest
- leg rest
- rest portion
- 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
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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
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
To provide a chair with a footrest having a backrest-footrest linkage mechanism for linking the movement of the backrest and the footrest so that the footrest is brought up horizontally when the backrest is brought down and the footrest is almost in the vertical condition (storage condition) when the backrest is brought up, capable of storing the footrest in the vertical condition to make the package size smaller by releasing the linkage of the linkage mechanism when the backrest is brought down, and capable of returning the link release condition to the linkage condition automatically only by bringing up the backrest. A link lever 24 constituting the linkage mechanism of this chair is divided into a lever unit 24A and a lever unit 24B, which are connected to each other rotatably by a connecting shaft 31. A holding means is mounted for integrally holding the link lever units in a straight line when the lever is used in an ordinary condition, and the holding condition can be released by a releasing means. And a return means is also mounted for automatically returning the released lever units to the straight-lined condition by bringing up the backrest.
Description
The present invention relates to a kind of chair that has leg rest portion and make the mechanism that couches that back-rest erects, topples over, be particularly related to a kind of rotating mechanism interlock that makes the couch action and the leg rest portion of back-rest, lift leg rest portion by the action interlock of toppling over back-rest, collect the chair of leg rest portion by the action interlock that erects with back-rest simultaneously.
According to Figure 11 and Figure 14, the rotating mechanism interlock of couch action and the leg rest portion that make existing back-rest is described, lift leg rest portion by the action interlock of toppling over back-rest, collect the chair of leg rest portion by the action interlock that erects with back-rest simultaneously.
1 is tied to form the seat portion frame (hereinafter referred to as seat portion) into the skeleton of seat portion, supported by the upright strut support of being located on the pedestal 23.The rear of present portion 1, with axle 5 is that fulcrum rotates the back-rest frame (hereinafter referred to as back-rest) 4 that freely is articulated with the skeleton that becomes back-rest, in addition, the front end of present portion 1 is articulated with the leg rest portion frame (hereinafter referred to as leg rest portion) 6 of the skeleton that becomes leg rest portion in the mode freely of rotating by axle 7.This one 1, back-rest 4 and leg rest portion 6 are all covered by seat cushion 50.
Be provided with the mechanism 8 that couches that makes back-rest 4 erect, topple between below the place ahead of the lower end of back-rest 4 and seat portion 1.Couch mechanism 8 by housing 9 and by motor 10 housing 9 in mobile bar portion 11 constituted.One end of housing 9 is linked to the lower end of back-rest 4 by axle 12, and an end of bar portion 11 is linked to a portion 1 by axle 13, and by bar portion 11 directions of collection in the housing 9 are moved, and back-rest 4 is toppled over, and by bar portion 11 is moved in the opposite direction, and back-rest 4 is erected.
Be fixed with support 14 below the present portion 1, on this support 14, supported action bars 15 in mode free to rotate, on the axle 16 of this action bars 15, be fixed with an end of connecting rod 17, and the other end of connecting rod 17 is articulated with an end of connecting rod 18 by axle 19, and the other end of this connecting rod 18 is articulated with leg rest portion 6 by axle 20 simultaneously.
Be articulated with an end of connecting rod 24 by axle 51 in the lower end of back-rest 4, the other end of this connecting rod 24 links the end that connecting rod 25 is arranged by axle 26, the other end of this connecting rod 25 is articulated on the axle 16 of aforesaid operations bar 15, in addition, push away roller 27 being articulated with in mode free to rotate on the connecting rod 17.
As shown in figure 11, under the state that back-rest 4 erects, on push away roller 27 and separate with connecting rod 25, but as if the words that back-rest 4 toppled over by the mechanism 8 that couches, then connecting rod 25 is that the center pushes away roller 27 towards counterclockwise rotating to push with axle 16, its result, connecting rod 17 rotates, and lifts leg rest portion 6 by connecting rod 18.Figure 12 is the state that shows that back-rest 4 is toppled over most.Otherwise if erect back-rest 4, then leg rest portion 6 is got back to the state of Figure 11.
Here, connecting rod 24,25 and on push away the link mechanism that roller 27 becomes couch action and the rotating mechanism interlock of leg rest portion 6 that make back-rest 4.
In addition, leg rest portion 6 by action bars 15 can with back-rest 4 erect, topple over action irrelevant ground rotating operation.That is, by towards counterclockwise rotating leg rest portion 6 and back-rest 4 are lifted action bars 15 irrelevantly.Again, if linking the axle 19 of above-mentioned two connecting rods 17,18 is moved towards the top by the line of the axle 16 that links aforesaid operations bar 15 with the other end axle 20 of connecting rod 18, then as shown in figure 13, desire to rotate the notch part 23 that the back side portion 30 that makes connecting rod 18 is connected to the other end that is formed on connecting rod 17 toward the clockwise direction by leg rest portion 6, and then make leg rest portion 6 lock automatically in this position (own lock).
Yet when packing such chair, the words that back-rest 4 is the state of erecting highly uprise, so being toppled over, packs back-rest 4, but if so, then as shown in figure 12, owing to leg rest portion 6 is lifted, so make horizontal wide elongated.
Therefore,, as shown in figure 14, take off axle 51, connecting rod 24 is descended, and take off the support member of lifting leg rest portion 6, as shown in the figure, make leg rest portion 6 become collection shape body and pack as the linking part of end of connecting rod 24 and back-rest 4 in the past.
In order to take off this axle 51, need instrument and spended time and labour, in addition, when unpacking the use chair, need the connecting rod 24 that takes off is linked to back-rest 4, this measure bothers very much.
Problem of the present invention is that the subsidiary chair that leg rest portion is arranged is provided, it is being toppled under the state of back-rest, can make leg rest portion become collecting state simply, and can easily carry out small-sized packing, when unpacking use, back-rest is just erected to return to common serviceable condition, have splendid usability without any need for special operation.
The chair that the present invention relates to is provided with the link mechanism of the rotating mechanism interlock of couch action and the leg rest portion that make back-rest, by this link mechanism, the action interlock of toppling over back-rest lifts leg rest portion, simultaneously, the action interlock that erects with back-rest and collect leg rest portion, comprise: decontrol, in order to remove the contact of above-mentioned link mechanism; Recovery device, the getting in touch of being disengaged of recovery automatically by the action interlock that erects with back-rest.
According to this structure, under the state that back-rest is toppled over,, can make leg rest portion become collecting state by remove the contact of link mechanism by decontrol.Again, back-rest is erected, can make the link mechanism that is disengaged automatically return to original state, so, also can make chair become serviceable condition even do not implement special operation by recovery device.
Know clearly it, a connecting rod that constitutes above-mentioned link mechanism is divided into two parts, link this and be divided into two-part connecting rod to rotate freely mode by connection shaft, when using usually, have the incorporate holding device of maintenance in order to make two connecting rods become a linear state, and remove the maintenance of this holding device by above-mentioned decontrol.
According to this structure, under the state that back-rest is toppled over,, with the connection shaft center bending and make each connecting rod by remove the maintenance of holding device by decontrol, do not have the function of being used as link mechanism, and then make leg rest portion become collecting state.
As above-mentioned holding device, on an above-mentioned divided side's connecting rod, be provided with the maintenance bar that engages with the opposing party's connecting rod that becomes a linearity, in addition, remove above-mentioned engaging and remove the integrated of two connecting rods by operating this maintenance bar.According to this structure, can be also used as holding device and decontrol with a maintenance bar.
Again, removed the action interlock that erects of above-mentioned incorporate two connecting rods and back-rest and revert to a linearity, and then the above-mentioned maintenance bar of being located on side's connecting rod automatically is sticked on the opposing party's connecting rod.By this structure,, also can make chair return to common serviceable condition even do not implement what special operation.
In addition, be provided with the pressing device that above-mentioned maintenance bar is pushed towards the direction that engages with the opposing party's connecting rod at any time.By this structure, make by the recovery that keeps bar to keep the integrated of two side's connecting rods and to remove incorporate two side's connecting rods and recover with action interlock that back-rest erects and move and positively to implement.
Brief description of drawings is as follows:
Side view when Fig. 1 is the packing of the chair that the present invention relates to.
The side view of Fig. 2 tilt state for same chair is put into back-rest under common user mode.
Fig. 3 erects back-rest the side view of state under common user mode for same chair.
Connecting rod the plane under common user mode of Fig. 4 for constituting link mechanism of the present invention.
Fig. 5 is the side view at the connecting rod of equal state.
The plane of Fig. 6 during for the connecting rod that remove to constitute link mechanism of the present invention integrated.
Fig. 7 is the side view of the connecting rod under the equal state.
Fig. 8 is the pith enlarged side view of the contact status of the link mechanism of removing the chair that the present invention relates to.
Fig. 9 is the pith enlarged side view of the contact of the link mechanism of same chair when recovering.
Figure 10 is the pith amplification profile of the installment state of the maintenance bar that the present invention relates to of expression.
Figure 11 is the side view of the state of erecting for the back-rest of existing chair.
Figure 12 is the side view of tilt state for the back-rest of same chair.
Figure 13 is for lifting the side view of the state of locking automatically with action bars with the leg rest portion of same chair.
Side view when Figure 14 is the packing of same chair.
According to Fig. 1 to Fig. 9 embodiments of the invention are described below, part same as the prior art is put on identical symbol, to omit its explanation.
The present invention makes formation a connecting rod 24 in the connecting rod 24,25 of link mechanism of action interlock of the action of back-rest 4 and leg rest portion 6 to be divided into two parts 24A, 24B, and links each connecting rod 24A, 24B by connection shaft 31 in mode free to rotate.The transverse shape of two side's connecting rod 24A, 24B is the font, and the open surface that side's connecting rod 24A is adapted to the font is the top, is the below and the opposing party's connecting rod 24B is adapted to the open surface of font.
As shown in Figure 5, near the side the connection shaft 31 of above-mentioned side's connecting rod 24A is formed with the groove 32 of growing crosswise, and as shown in Figure 4, is articulated with an end 34 that keeps bar 33 in groove 32 relative another sides therewith, should keep the front end of bar 33 then outstanding by groove 32.Grip this outstanding part, can with keep bar 33 with an end 34 be fulcrum and along groove 32 towards rocking from side to side.
As shown in figure 10, keep an end 34 of bar 33 outstanding by the hole 35 of the another side of being located at connecting rod 24A, and on this outstanding part, be installed with public screw 36, and on this public affairs screw 36, be rotated with nut 38 by packing ring 37, thus, be that fulcrum makes maintenance bar 33 towards rocking from side to side with this end 34.
Again, packing ring 39 is installed, and Jie is provided with coil spring 40 between the another side of this packing ring 39 and connecting rod 24A at the central portion that keeps bar 33.This coil spring 40 will keep bar 33 to be forced into respect to connecting rod 24A becomes the right angle.
Be formed with as shown in Figure 8 breach recess 41 at the leading section of the close connection shaft 31 of the side of the opposing party's connecting rod 24B.Become arc surface 42 with the face of above-mentioned recess 41 adjacency of a side front end.
Be provided with torque spring 43 as the rolling up of axle 51 with linking part back-rest 4 side's connecting rod 24A on every side.This torque spring 43 is that the center puts on connecting rod 24A with clockwise rotatory force with axle 51 in Fig. 8.
As shown in Figure 4 and Figure 5, under common user mode, two side's connecting rod 24A, 24B are a linear state, and keep the side of bar 33 to be sticked in above-mentioned recess 41.This engaging will keep bar 33 to be forced into respect to connecting rod 24A by above-mentioned coil spring 40 at right angles and by torque spring 43 connecting rod 24A being pushed toward the clockwise direction, make and keep bar 33 to be sticked in recess 41 tightly and can not come off, promptly two side's connecting rod 24A, 24B are integrated, are a linearity.
Therefore, in this state, by incorporate connecting rod 24A, the 24B performance effect identical with having connecting rod 24 now.Fig. 3 illustrates the state that back-rest 4 erects, and Fig. 2 illustrates the state that back-rest 4 is toppled over.
Keep bar 33, coil spring 40 and recess 41 to constitute holding device, so that when using usually, make two side's connecting rod 24A, 24B be a linearity, thereby keep integrated here.In addition, coil spring 40 is again a pressing device.
As shown in Figure 2, under the state that back-rest 4 is toppled over, the front end protuberance that keeps bar 33 is shaken as illustrated in fig. 6 towards the left side along groove 32, then above-mentioned maintenance bar 33 is freed with engaging of recess 41, afterwards the integrated releasing of two side's connecting rod 24A, 24B.Its result as shown in Figure 1, can not lift the state lower support of leg rest portion 6, and two side's connecting rod 24A, 24B are that central folding curves ヘ word shape with connection shaft 31, and then leg rest portion 6 becomes collecting state.
Therefore, when packing, under the state of like this back-rest 4 being toppled over, only shake operation and keep bar 33, can make leg rest portion 6 become collecting state, and then make the packing of miniaturization become possibility with shirtsleeve operation.
Here, above-mentioned maintenance bar 33 becomes decontrol, removes the getting in touch of link mechanism of couch action and the rotating mechanism interlock of leg rest portion 6 make back-rest 4.That is, keeping bar 33 promptly is holding device, is again decontrol.
Secondly, just unpack and use the situation of chair to describe by packed state.If erect back-rest 4, then connecting rod 24A begins by torque spring 43 to rotate toward the clockwise direction, two side's connecting rod 24A, the formed angle of 24B diminishes gradually, soon, the side of maintenance bar 33 is connected to the arc surface 42 of connecting rod 24B, keep bar 33 one side resisting coil spring 40 and retreating to the left side, move along arc surface 42 on one side, (two side's connecting rod 24A when turning to the position corresponding to recess 41, when 24B is a linear state), the pushing force by coil spring 40 and the pushing force of torque spring 43 and automatically be sticked in recess 41, and with two side's connecting rod 24A, 24B is held in a linearity integratedly.
Therefore, in use,, also can automatically recover in spendable state even do not do any special operation.
Here, torque spring 43, coil spring 40 and arc surface 42 become the inscape of recovery device.They will make back-rest 4 couch action and the link mechanism of the rotating mechanism interlock of leg rest portion 6 disarm state with erect the action interlock of back-rest 4, thereby be able to automatic recovery.
According to the present invention, because the action interlock that has the decontrol of getting in touch of removing couch action and the link mechanism of the rotating mechanism interlock of leg rest portion make back-rest and erect with back-rest and the recovery device of getting in touch that has been disengaged of recovery automatically, so when packing, under the state that back-rest is toppled over, by remove the contact of link mechanism by decontrol, can make leg rest portion become collecting state, and can make the packing of miniaturization become possibility by shirtsleeve operation.In addition, unpack when using, back-rest is erected, can make the link mechanism that is disengaged automatically return to original state,, have splendid usability so do not need special operation by recovery device.
Claims (5)
1. one kind is attached the chair that leg rest portion is arranged, be provided with the link mechanism of the rotating mechanism interlock of couch action and the leg rest portion that make back-rest, lift leg rest portion by this link mechanism and the action interlock that back-rest is toppled over, again by collecting leg rest portion with the action interlock that back-rest is erected
It is characterized in that comprising:
Decontrol is in order to remove the contact of above-mentioned link mechanism; And
Recovery device, what recovery automatic with the action interlock that back-rest is erected had been disengaged gets in touch.
2. the subsidiary chair that leg rest portion is arranged as claimed in claim 1, it is characterized in that, a connecting rod that constitutes above-mentioned link mechanism is divided into two parts, link this by connection shaft in mode free to rotate and be divided into two-part each connecting rod, and have the holding device that when using usually, two parts connecting rod is the ground integrated maintenance of a linearity, remove the maintenance of holding device by above-mentioned decontrol.
3. the subsidiary chair that leg rest portion is arranged as claimed in claim 2, it is characterized in that, as above-mentioned holding device, being provided with on above-mentioned divided side's connecting rod becomes a maintenance bar linearity, that engage with the opposing party's connecting rod, remove above-mentioned engaging by operating this maintenance bar, thereby remove the integrated of two parts connecting rod.
4. the subsidiary chair that leg rest portion is arranged as claimed in claim 3, it is characterized in that, be disengaged the erecting the action interlock of above-mentioned incorporate two parts connecting rod and back-rest and revert to a linearity, and then the above-mentioned maintenance bar of being located on side's connecting rod automatically is sticked on the opposing party's connecting rod.
5. as claim 3 or the 4 described subsidiary chairs that leg rest portion is arranged, it is characterized in that, be provided with the pressing device that above-mentioned maintenance bar is pushed towards the direction that engages with another connecting rod at any time.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04339799A JP3579284B2 (en) | 1999-02-22 | 1999-02-22 | Chair with footrest |
| JP43397/1999 | 1999-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1264562A true CN1264562A (en) | 2000-08-30 |
| CN1148134C CN1148134C (en) | 2004-05-05 |
Family
ID=12662661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001023748A Expired - Fee Related CN1148134C (en) | 1999-02-22 | 2000-02-21 | Chair with foot rest |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3579284B2 (en) |
| KR (1) | KR100341472B1 (en) |
| CN (1) | CN1148134C (en) |
| TW (1) | TW572741B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376186C (en) * | 2002-07-16 | 2008-03-26 | La-Z-Boy公司 | Multiple position leg rest mechanism for a reclining chair |
| CN102860695A (en) * | 2012-09-19 | 2013-01-09 | 浙江恒林椅业股份有限公司 | Foot rest adjusting structure for seat |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4552047B2 (en) * | 2003-12-12 | 2010-09-29 | 株式会社いうら | Interlocking and non-interlocking mechanism of reclining wheelchair leg support frame |
| IT201900006588A1 (en) * | 2019-05-09 | 2020-11-09 | Altaflex Srl | Foot lifter device for sofa beds |
-
1999
- 1999-02-22 JP JP04339799A patent/JP3579284B2/en not_active Expired - Fee Related
-
2000
- 2000-01-27 TW TW89101357A patent/TW572741B/en not_active IP Right Cessation
- 2000-02-08 KR KR1020000005807A patent/KR100341472B1/en not_active IP Right Cessation
- 2000-02-21 CN CNB001023748A patent/CN1148134C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376186C (en) * | 2002-07-16 | 2008-03-26 | La-Z-Boy公司 | Multiple position leg rest mechanism for a reclining chair |
| CN102860695A (en) * | 2012-09-19 | 2013-01-09 | 浙江恒林椅业股份有限公司 | Foot rest adjusting structure for seat |
| CN102860695B (en) * | 2012-09-19 | 2015-05-27 | 浙江恒林椅业股份有限公司 | Foot rest adjusting structure for seat |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3579284B2 (en) | 2004-10-20 |
| CN1148134C (en) | 2004-05-05 |
| KR20000057964A (en) | 2000-09-25 |
| TW572741B (en) | 2004-01-21 |
| JP2000236978A (en) | 2000-09-05 |
| KR100341472B1 (en) | 2002-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |