CN1859860A - Elbow rest and chair - Google Patents

Elbow rest and chair Download PDF

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Publication number
CN1859860A
CN1859860A CNA2004800285091A CN200480028509A CN1859860A CN 1859860 A CN1859860 A CN 1859860A CN A2004800285091 A CNA2004800285091 A CN A2004800285091A CN 200480028509 A CN200480028509 A CN 200480028509A CN 1859860 A CN1859860 A CN 1859860A
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CN
China
Prior art keywords
mentioned
elbow
ancon
pillar
handrail
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Granted
Application number
CNA2004800285091A
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Chinese (zh)
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CN100593381C (en
Inventor
上田伸行
登内武
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Kokuyo Co Ltd
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Kokuyo Co Ltd
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Publication date
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Publication of CN1859860A publication Critical patent/CN1859860A/en
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Publication of CN100593381C publication Critical patent/CN100593381C/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A47C1/0308Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable by rotation

Abstract

An elbow rest having an elbow pad (1) on which an elbow of a person seated is rested and an elbow strut (2) for horizontally and rotatably supporting the elbow pad (1), wherein a click mechanism for stopping clicking of the elbow pad (1) at a predetermined angle is provided between the elbow pad (1) and the elbow strut (2). The click mechanism has a stationary member (3) having click engagement recesses (31k) in its outer peripheral surface (31b) and has a movable member (4) having an engagement section (41k) pivotally moving together with the elbow pad (1) and capable of sequentially and elastically engaging with the click engagement recesses (31k). The stationary member (3) is installed on the elbow strut (2) side, and the movable member (4) is installed on the elbow pad (1) side. The structure above enables, despite the click mechanism in the elbow rest, the pivoting range of the elbow pad to be freely set without the pivoting angle of the elbow pad relative to the elbow strut limited by the click mechanism.

Description

Handrail and chair
Technical field
The present invention relates to make accordingly with the person's of taking a seat use attitude the handrail that ancon (elbow support) constitutes with respect to the elbow pillar with horizontally rotating and make this handrail attach the chair that on the regulation position, forms.
Background technology
All the time, possess the elbow that is used to make the person of taking a seat by ancon and pivot and support the elbow pillar of ancon, can with the person of taking a seat use attitude a little with the pivot of ancon and elbow pillar accordingly to constitute rotatably as central horizontal, make it possible to suitably to change ancon longitudinally towards handrail be well-known (for example with reference to patent documentation 1).In addition, in the handrail that such ancon can horizontally rotate with respect to the elbow pillar, in order to make ancon pause static in suitable angle, when this angle change, can obtain to have the resistance of appropriate vibration sense, for example, can consider to be provided with the scheme of pause mechanism, described pause mechanism possesses the counterpart that is provided with highlightedly in the upper end of elbow pillar, be columned pin, and be located at the ancon side, along with the spinning movement of ancon is moved while outer peripheral face and above-mentioned pin are touched, and be formed with the movable member that can be engaged in a plurality of pause cooperating recesses on the above-mentioned pin on the above-mentioned outer peripheral face off and on.This movable member, above-mentioned pivot a little and above-mentioned pin between, be set at that pivot a little and the line segment sold is the central angle side of the circular arc of radius to link, can the enterprising deactuate work of the direction that a little is toward or away from from pivot at longitudinally, the spring that some sides are provided with auxiliary this advance and retreat action at above-mentioned pivot along ancon.This spring along with the spinning movement of ancon pin embed be engaged in the pause cooperating recesses in elongation, when pin is crossed protruding peak between the pause cooperating recesses, shrink, thereby movable member one linearity earthquake done.
Summary of the invention
But, as mentioned above,, be restricted so can bring into play the anglec of rotation of ancon of the Telescopic of this spring effectively because spring is being set in the position that more some sides by above-mentioned pivot than the pin that is fixed on the elbow pillar.In other words, since in the angle bigger (for example vertical angle) with the flexible direction of spring with respect to the flexible direction of spring even if locating above-mentioned pin embeds the pause cooperating recesses medi-spring that is engaged in movable member and can not stretch well, so just can not make the ancon rotation above this spring the angular range of the regulation that can normally stretch.This be because, owing on the outer peripheral face of the movable member of ancon spinning movement, be formed with the pause cooperating recesses, so spinning movement along with ancon, the advance and retreat direction of movable member, be the flexible direction of spring and pin and the cause that cooperates direction to change in turn of the pause cooperating recesses of movable member.On the other hand, stability for the pivot holding state that improves elbow pillar and ancon, the distance of preferably above-mentioned pivot a little and being sold is set greatlyyer, pin can not be set at the lateral margin that surpasses the ancon extend on longitudinally but also exist, pivot a little and the distance of selling is subjected to the problems such as width dimensions restriction of ancon.In addition, if do not consider the stability of the pivot holding state of elbow pillar and ancon, the distance of pivot a little and selling is set lessly, though then can think and to put to such an extent that the anglec of rotation of ancon of position relation is set greatlyyer with based on pin and pivot, but owing to the restriction that comes based on the allocation position and the flexible direction of above-mentioned spring, the rotation angle range of ancon still is restricted in fact.
Therefore, in handrail in the past, because above-mentioned 2 such problems, the rotation angle range of ancon is limited very for a short time.
The present invention is conceived to such problem and puts forward, and main purpose is, provides a kind of anglec of rotation with respect to the elbow pillar of the ancon mechanism of not paused to limit, and can freely set the handrail of the rotating range of ancon.
Promptly, handrail of the present invention, possess the elbow that is used to make the person of taking a seat by ancon, support the elbow pillar of this ancon with pivoting, above-mentioned ancon constituted can with the pivot of above-mentioned ancon and above-mentioned elbow pillar a little be that fulcrum horizontally rotates, and between above-mentioned ancon and above-mentioned elbow pillar, be provided with and be used to pause mechanism that ancon is stopped with predetermined angular, it is characterized in that, above-mentioned pause mechanism, possess at outer peripheral face and have the stationary parts that a plurality of pauses cooperate important document, with with above-mentioned handrail spinning movement, has the movable member of the counterpart of resilient engagement on above-mentioned a plurality of pauses cooperation important documents in turn, above-mentioned stationary parts is installed in above-mentioned elbow pillar side, and above-mentioned movable member is installed in above-mentioned ancon side.
If like this, cooperate the stationary parts of important document to be installed in elbow pillar side because will on outer peripheral face, be formed with a plurality of pauses, to have in turn, the movable member of the counterpart of resilient engagement on the cooperation important document that pauses is installed in the ancon side, just it doesn't matter with the anglec of rotation of ancon so the pause of counterpart and stationary parts cooperates the direction of resilient engagement of important document, its direction is constant all the time, can not be subjected to ancon the anglec of rotation about make counterpart cooperate the mated condition of important document good with pausing, the anglec of rotation that can eliminate ancon is because of being provided with the undesirable condition in the past that pause mechanism is limited, in addition, if the outer peripheral face set of the stationary parts that will touch mutually with counterpart is near the side edge part of ancon, stationary parts is increased to greatest extent, and the stability of the pivot holding state of elbow pillar and ancon is improved.In addition, in this what is called " resilient engagement ", the resilient engagement of spring that has been not limited thereto the illustrated utilization in back is that the material that has also comprised by elastically deformables such as rubber constitutes movable member itself, has utilized the notion of the flexible cooperation of this movable member itself.
As concrete example, can enumerate above-mentioned movable member and possess above-mentioned counterpart and this counterpart the elasticity charger that some thrusters are pressed to above-mentioned pivot.
In addition, if be provided with the rotation limiting mechanism of anglec of rotation regulation in predetermined angular with respect to the above-mentioned ancon of above-mentioned elbow pillar, then for example can make ancon rotate to predetermined angular accordingly from corresponding to substantially common use location of the fore-and-aft direction of its longitudinally and chair and the person's of taking a seat demand, very excellent on practicality.
Particularly, if the resettlement section that can accommodate above-mentioned stationary parts is set on above-mentioned ancon, above-mentioned rotation limiting mechanism, possesses the jut on the side of inner peripheral surface of the outer peripheral face that is located at above-mentioned stationary parts or above-mentioned resettlement section, with be located at the opposing party and go up, when ancon has rotated predetermined angular, touch the contacting part of above-mentioned jut, then can be by jut and contacting part touch the further spinning movement of the above-mentioned handrail of regulation reliably.In addition, because stationary parts is housed in the resettlement section, so can carry out the location with respect to ancon of stationary parts simply, and utilize these resettlement sections and the stationary parts of the relation that is in tight contact to constitute rotation limiting mechanism, therefore can improve the function of the anglec of rotation of regulation ancon effectively.
If in the course of action that in the afore mentioned rules angle, rotates at above-mentioned handrail, the mode that above-mentioned jut and above-mentioned contacting part can not interfered mutually, on a side of the outer peripheral face of the above-mentioned stationary parts that is provided with contacting part or above-mentioned inner peripheral surface of accommodating parts, setting has and the outstanding size of the above-mentioned jut groove of corresponding depression size substantially, with the both ends of this groove as above-mentioned contacting part, the distance between contacting part then, be the amplitude size of groove or the central angle of groove, the rotation angle range that directly reflects ancon, therefore by suitably setting the amplitude size or the central angle of groove, just can determine the rotation angle range of ancon simply.
Particularly, a little line segment angulation if will link each end of above-mentioned groove and above-mentioned pivot, be set at link each end of above-mentioned jut and above-mentioned pivot a little line segment angulation add above-mentioned ancon the anglec of rotation and about equally, ancon is rotated in the angular range of stipulating with the state that can produce play hardly.In addition, can set each end that links groove and above-mentioned pivot simply a little line segment angulation, is the central angle of groove.
In order to avoid making jut to touch tough with contacting part effectively with simple structure along with the spinning movement of ancon, to avoid because damage with the touching of contacting part, the flat shape of preferred jut is fan-shaped.
For and in the necessary sufficient range as the use form of handrail, just in the corresponding to common use location of the fore-and-aft direction of lengthwise dimension that makes ancon and chair, and make between the corresponding to substantially rotation of the left and right directions use location of the longitudinally of ancon and chair, make the ancon rotation, fully satisfy user's demand, as long as the anglec of rotation of above-mentioned ancon is made as roughly 90 degree.Can set the central angle of above-mentioned recess thus relatively simply.
On the other hand, for handrail that can both dual-purpose on either party handrail that is produced on that left elbow uses with right elbow, preferably constituting can be by the installation direction with respect to above-mentioned elbow pillar of the above-mentioned stationary parts of change, change the rotation limiting scope of above-mentioned ancon, change is with respect to the direction of rotation of the ancon of above-mentioned elbow pillar.If so, then can be by the so simple operation of installation direction of change stationary parts, form the handrail that left elbow is used with right elbow respectively, compare with the handrail that must be equipped with special-purpose parts for left elbow uses with right elbow respectively, the generalization of part be can realize, the reduction of number of parts and the reduction of cost helped.
Particularly, can enumerate above-mentioned stationary parts is installed on the above-mentioned elbow pillar via chimeric mechanism, this chimeric mechanism, possesses the chimeric recess on the side of upper end of the bottom that is located at above-mentioned stationary parts or above-mentioned elbow pillar, with be located at the opposing party go up, with the fitting projection of above-mentioned chimeric recess tabling, described chimeric recess and fitting projection, tabling on any one installation direction of from a plurality of installation directions with respect to above-mentioned elbow pillar of above-mentioned stationary parts, selecting.
And, if will be among the above-mentioned a plurality of installation directions with respect to above-mentioned elbow pillar of above-mentioned stationary parts, along the line segment of an installation direction and line segment angulation along another installation direction different with this installation direction, be set at the anglec of rotation of above-mentioned ancon and equate substantially, then make chimeric recess and fitting projection tabling by installation direction of suitable selection and another installation direction, the rotation limiting scope of ancon can be changed, and the spinning movement under each chimerism can be realized reliably with respect to the ancon of elbow pillar.
In addition, be preferably flat shape with above-mentioned chimeric recess and above-mentioned fitting projection, set for and can select to make an above-mentioned chimeric recess and above-mentioned fitting projection chimeric chimeric form on an above-mentioned installation direction at least, with the shape that makes above-mentioned chimeric recess and above-mentioned fitting projection another chimeric chimeric form on above-mentioned another installation direction, in this case, as long as the flat shape of above-mentioned chimeric recess and above-mentioned fitting projection is roughly corresponding regular polygon shape each other, just can on any one installation direction, make chimeric recess and fitting projection chimeric mutually reliably, can realize good chimerism.Particularly, be set in the anglec of rotation under the situations of cardinal principle 90 degree above-mentioned ancon, be set at square shape or octagon shape by flat shape with above-mentioned chimeric recess and above-mentioned fitting projection, the anglec of rotation of ancon can be guaranteed to be cardinal principle 90 degree, and be also used as the handrail that left elbow is used with right elbow well.
On the other hand, in order to regulate the height of handrail integral body according to the person's of taking a seat health, as long as be set at above-mentioned elbow pillar possess with the bottom fixing present go up, with the pillar body of vertical-position configuration, with the cover parts that can insert the outside that is entrenched in this pillar body with taking off, between above-mentioned pillar body and above-mentioned cover parts, be provided with and regulate above-mentioned cover parts and get final product with respect to the height adjustment mechanism of the setting height(from bottom) position of above-mentioned pillar body.
Concrete example as height adjustment mechanism, can be enumerated as: possess the parts that are engaged that are formed with a plurality of mating holes along short transverse, with component, and can be engaged in the charger that the direction on the above-mentioned mating holes loads above-mentioned component to above-mentioned cooperation pawl with the cooperation pawl that can cooperate with above-mentioned mating holes selectively; And constitute and to cooperate the mated condition of pawl and mating holes to remove by the operating physical force of regulation.
In addition, as the chair that is provided with the handrail that plays above-mentioned effect, preferably that above-mentioned handrail is present end, the left and right sides becomes one to be provided with over the ground with mode of left and right symmetry.
According to aforesaid handrail of the present invention, because be installed in the stationary parts that is formed with a plurality of pauses cooperation important documents on the outer peripheral face in elbow pillar side, and has the movable member of the counterpart of resilient engagement on described a plurality of pauses cooperation important documents in turn in the installation of ancon side, so no matter which type of angle is the anglec of rotation with respect to the ancon of elbow pillar be, the pause of counterpart and stationary parts cooperates the resilient engagement direction of important document all constant all the time, can not be subjected to keep well all the time about the anglec of rotation of ancon counterpart to cooperate the mated condition of important document with pausing, can freely set the rotating range of ancon.
Description of drawings
Fig. 1 shows the handrail of an example of the present invention and the overall plan view that has been suitable for the chair of this handrail.
Fig. 2 be omit that the part of the handrail of this example shows to partly separate stereogram.
Fig. 3 is the plane of base portion of ancon that constitutes the handrail of this example.
Fig. 4 is the sectional side view that the elbow pillar of the part handrail that omitted this example is showed.
Fig. 5 is that a part has been omitted the stereogram that the upper end of the stationary parts of this example and elbow pillar is showed.
Fig. 6 is the Action Specification figure of the handrail used of the left elbow of this example.
Fig. 7 is the Action Specification figure of the handrail used of this left side elbow.
Fig. 8 is the Action Specification figure of the handrail used of the right elbow of this example.
Fig. 9 is the Action Specification figure of the handrail used of this right side elbow.
Figure 10 is a sectional side view of showing a variation of the elbow pillar of this example and height adjustment mechanism.
Concrete example
Below, with reference to a description of drawings example of the present invention.
Handrail E of the present invention for example, is the parts that are applicable to chair C shown in Figure 1.
At first, if this chair C is carried out simple explanation, be exactly this chair C, be by seat S being supported on a plurality of spoke shape leg L via the pillar that do not show of figure, via backrest pole A backrest B is installed simultaneously that the mode at the rear of present S constitutes.
And the end, the left and right sides of present S is provided with handrail E in couples with mode of left and right symmetry.
Handrail E, shown in Fig. 2 waits, possess be used to make the person of taking a seat by ancon 1 and can support the elbow pillar 2 of this ancon 1 with horizontally rotating.And, stop at predetermined angular in order to make ancon 1, thereby make the resistance that when angle changes, can obtain having appropriate vibration sense, be provided with pause mechanism.This pause mechanism as described later, constitutes with stationary parts 3 and movable member 4.Moreover, in the following description, the fore-and-aft direction of elbow pillar 2, corresponding with the fore-and-aft direction of chair C, and in ancon 1, so-called " back ", refer to and make the vertical and roughly corresponding to common use location LP of fore-and-aft direction of chair C of ancon 1, the backrest B side of RP, in addition, so-called " preceding " refers to the opposite side of backrest B side (with reference to Fig. 1) with common use location LP, RP.
Ancon 1 is by base portion 5 and be installed in the ancon lid that the figure of the upper end side of this base portion 5 do not show constitutes.
Base portion 5, as Fig. 2, shown in Figure 3, be mainly to have the plane to see roughly oblong bottom surface sections 51, be located at the perimeter wall 52 on the periphery of this bottom surface sections 51, be located on the position than vertical substantial middle portion displacement a little rearward of bottom surface sections 51, can accommodate the 1st resettlement section 53 of above-mentioned stationary parts 3 and be located at continuously the 1st resettlement section 53 rear side, can accommodate the integrally formed product of the 2nd resettlement section 54 of above-mentioned movable member 4.
The 1st resettlement section 53, be have by rear side is opened wide, the plane sees the parts of the receiving space 53S that the circular arc wall 531 that roughly is the partial arc shape surrounds.Circular arc wall 531 makes its position, end, left and right sides be connected with above-mentioned perimeter wall 52, and interior its peripheral position of wall ratio of predetermined angular of front side is approached.By like this regulation zone of circular arc wall 531 being formed thin-walled, just on the regulation zone of the inner peripheral surface of circular arc wall 531, formed groove 532.In this example, the central angle of groove 532 is set at than the big slightly angle of 90 degree.In addition, the substantial middle portion in the 1st resettlement section 53 is formed with and connects the through hole 53a that bottom surface sections 51 forms.This through hole 53a becomes concentric circles with the inner peripheral surface of the circular arc wall 531 of removing the position that has formed above-mentioned groove 532.
The 2nd resettlement section 54, be to have to connect with the rear side of the above-mentioned circular arc wall 531 of opening wide and along a pair of relative wall 541 of the longitudinal extension of above-mentioned ancon 1, with parts that these relative walls 541 binding wall 542 each other opens wide the place ahead by linking, that the receiving space 54S that roughly is square is seen on the plane.This receiving space 54S is communicated with the receiving space 53S of above-mentioned the 1st resettlement section 53, on above-mentioned each relative wall 541, is respectively equipped with from short transverse substantial middle position flatly outstanding to close mutually direction each other and horizontal plate 541a that constitute.
In addition, near vertical both ends of bottom surface sections 51, be respectively equipped with peritreme portion 511, pass through simultaneously these peritreme portions 511, above-mentioned perimeter wall 52, circular arc wall 531, relative wall 541 and binding wall 542, via roughly being adapted to the rectangular rib connection that is relative to each other respectively, can seek the raising of base portion 5 integral intensity and conformality effectively.
About being housed in stationary parts 3, the movable member 4 in each resettlement section 53,54, narration in the back.
On the other hand, elbow pillar 2 as Fig. 2, Fig. 4 and shown in Figure 5, possesses and the fixing present S in bottom is gone up and with the pillar body 6 of vertical-position configuration with can insert the cover parts 7 in the outside that is entrenched in this pillar body 6 with taking off.
Pillar body 6 is parts that the tubulose that roughly is square is seen on the plane, is provided with inwardly outstanding installation portion 61 on the bottom integratedly, and this installation portion 61 is by below near the left and right sides end of the fixing present S of screw thread.In addition, cover parts 7, be the parts that become the tubulose of the similar shape bigger slightly, formed the plane in the upper end and seen and roughly be elliptoid supporting part 71 that the inner peripheral surface of cover parts 7 is entrenched on the outer peripheral face of pillar body 6 slidably than the flat shape of pillar body 6.Near the both side edges portion of above-mentioned supporting part 71, be respectively equipped with the threaded portion 711 (with reference to Fig. 2) that on inner face, has formed screwed hole.
And, between pillar body 6 and above-mentioned cover parts 7, constitute the height adjustment mechanism of adjusting with respect to the setting height(from bottom) position of the cover parts 7 of pillar body 6.
This height adjustment mechanism, possess along what short transverse formed a plurality of mating holes 81a and be engaged parts 8, has the component 9 that can be engaged in the cooperation pawl 91 in the mating holes 81a selectively, component 9 can be engaged in the charger that the direction in the above-mentioned mating holes 81a loads, i.e. spring 10 (with reference to Fig. 4) to cooperation pawl 91.
Be engaged parts 8, be mounted in the parts in the interior week of above-mentioned pillar body 6, in this example, be to constitute by a pair of important document 81,82 that is engaged on the interior week that can be installed in pillar body 6 in the mode of embracing holding member M described later from front and back, among these are engaged important document 81,82, be formed with above-mentioned mating holes 81a on the important document 81 discontinuously being positioned at being engaged of rear side.Each mating holes 81a is the taper that opening edge to the inside broadens gradually.In addition, a pair of important document that is engaged is fixed with proper device under the state that upper and lower end parts separately is chimeric mutually.
In addition, component 9, be that the parts that are the arm shape are substantially seen in the side that is being held in the upper end is provided with the holding member M of hollow of the fitting portion M1 on the supporting part 71 that can be entrenched in above-mentioned cover parts 7, being constituted as can be via being located at the locational trunnion axis n rotation of specified altitude.In the bottom of this component 9, form with the shape of above-mentioned mating holes 81a corresponding be the thin cone-shaped of front end cooperate pawl 91 so that be engaged among this mating holes 81a, and make this cooperation pawl 91 be positioned at the below of the lower end of above-mentioned holding member M.In addition, in the trailing edge side of component 9 and than the high position of above-mentioned trunnion axis n, setting can be accommodated the spring base portion 92 of spring 10, utilize this spring base portion 92, make spring 10 between the inner surface of component 9 and holding member M, constitute thus by this spring 10 and cooperate pawl 91 to be engaged in direction pushing among the mating holes 81a to making component 9.And elbow pillar 2 is provided with the operating portion O that is used to operate this component 9.This operating portion O, base end part O2 is installed in the upper end of above-mentioned component 9, make operating portion body O1 forwards outstanding via the openning 72 that the front edge side at cover parts 7 forms, by being engaged in the mating holes 81a from cooperation pawl 91, forbid that the state that moves up and down that overlaps parts 7 begins, the person of taking a seat acts on operating portion O with the state of holding cover parts 7 with finger and goes up along the direction operation that it is pressed into rearward, thereby component 9 is that fulcrum rotates with above-mentioned trunnion axis n, accompany therewith, cooperate the mated condition of pawl 91 and mating holes 81a to be disengaged (shown in the imaginary line among this figure), allow the action that slides up and down with respect to pillar body 6 of cover parts 7, at desirable height and position, by stopping operating physical force, cooperate pawl 91 just to be engaged in the mating holes 81a that is arranged on this height and position to operating portion O.
In addition, being located at the fitting portion M1 of the upper end of above-mentioned holding member M, as Fig. 2, shown in 5, is more smaller and become the solid part of similar shape with it than the flat shape of the supporting part 71 of above-mentioned cover parts 7.And, cardinal principle central portion at this fitting portion M1, formation can chimeric stationary parts 3 described later the plane of fitting projection 33 see the chimeric recess M11 that is the octagon shape substantially, and the central portion of chimeric recess M11 be formed with below the screwed hole M12 that is communicated with.In addition, near the both side ends of holding member M, be pre-formed breach M13 respectively, and be set at such holding member M is being inserted above cover parts 7, expose via above-mentioned breach M13 the threaded portion 711 that the fitting portion M1 of holding member M is entrenched in supporting part 71 under the situation on the above-mentioned supporting part 71 of cover parts 7.In addition, on fitting portion M1, to be the flat shape liner R identical substantially with the flat shape of fitting portion M1, so that the threaded portion 711 corresponding to modes of near circular hole R1 that forms the both side ends of this liner R and supporting part 71 dispose, by will being inserted in the screwed hole of above-mentioned threaded portion 711 from the bolt B 1 that the top is inserted into each circular hole R1, thus the extracting upward of forbidding holding member M.In addition, at the cardinal principle central portion of liner R, be formed with through hole Ra with the through hole 53a cardinal principle same diameter that on the 1st resettlement section 53 of the base portion 5 that constitutes above-mentioned ancon 1, forms.
Have in installation before the ancon 1 and elbow pillar 2 of such formation, stationary parts 3, the movable member 4 that will constitute pause mechanism respectively are provided in the 53, the 2nd resettlement section 54, the 1st resettlement section of ancon 1.
Stationary parts 3, as illustrated among Fig. 2, Fig. 5, Fig. 6 etc., form taper hole 31a at central portion, and possesses body 31, this body 31 has the outer peripheral face 31b that is set to the diameter slightly littler than the diameter of the inner peripheral surface of above-mentioned circular arc wall 531, the outstanding jut 31c that forms to foreign side is set on the part of the outer peripheral face 31b of body 31, and on other regional parts of this outer peripheral face 31b, is formed with the pause cooperating recesses 31k of the conduct pause cooperation of the present invention important document that a plurality of inside sides depressions form.In addition, jut 31c sees on the plane and is fan-shaped substantially.In this example, form to amount to 4 pause cooperating recesses 31k with the pitch of regulation, and be set at each central point of linking the pause cooperating recesses 31k that is positioned at two ends and the angle of the line segment of the central point of body 31 becomes 90 degree substantially.That is, be formed with 4 pause cooperating recesses 31k altogether continuously in 90 zones of spending substantially at central angle.In addition, form the central point at position of described a plurality of pause cooperating recesses 31k and the central point of above-mentioned jut 31c, be set on the relative position of the central point (the formation position of taper hole 31a) that clips body 31.In addition, make the outstanding size of jut 31c, substantially corresponding with the depression size of groove 532 on being formed on above-mentioned the 1st resettlement section 53.Among the outer peripheral face 31b with this body 31, do not form the diameter of outer peripheral face 31b at the position of above-mentioned jut 31c and pause cooperating recesses 31k, setting becomes both side ends and the perimeter wall 52 slightly little diameter of diameter to the inner peripheral surface of continuous above-mentioned circular arc wall 531, the outer peripheral face 31b of body 31 is positioned near the side edge part of base portion 5, sets stationary parts 3 bigger to greatest extent.In addition, below this body 31, stepped ground has the insertion section 32 among the through hole Ra of the through hole 53a that can insert above-mentioned the 1st resettlement section 53 and above-mentioned liner R integratedly and the fitting projection 33 (with reference to Fig. 5) of octagon shape is substantially seen on the plane that can be entrenched among the chimeric recess M11 of liner R.In the insertion section 32 and the cardinal principle central portion of fitting projection 33, be formed with at lower opening and the continuous open pore 34 that is connected with taper hole 31a.
Movable member 4, as Fig. 2, shown in Figure 6, possess that portion at one end is provided with the movable member body 41 of the solid bulk that can be entrenched in the counterpart 41k among the above-mentioned pause cooperating recesses 31k integratedly and as the spring 42 of the elasticity charger that this movable member body 41 is forwards pushed.Above-mentioned counterpart 41k is convex, makes its flat shape corresponding with the flat shape of pause cooperating recesses 31k.In addition, on the bottom of the side surface part of movable member body 41, be provided with to the outstanding side protuberance 411 that forms in side.
Below, illustrate such stationary parts 3 and movable member 4 are housed in step in the base portion 5 of ancon 1.At first, spring 42 with movable member 4, the longitudinally of its flexible direction and base portion 5 consistently is configured among the receiving space 54S of the 2nd resettlement section 54, makes movable member body 41 slide mobile simultaneously from the receiving space 54S of receiving space 53S side direction the 2nd resettlement section 54 of the 1st resettlement section 53.At this moment, Yi Bian the side protuberance 411 that makes movable member body 41 in the bottom surface sections 51 of base portion 5 be located between the above-mentioned horizontal plate 541a on the relative wall 541 of the 2nd resettlement section 54, moves Yi Bian it is slided, thereby can accommodate operation swimmingly.Like this, the guidance part that moves as the slip of guiding movable member body 41 at the horizontal plate 541a that on wall 541, is provided with of the 2nd resettlement section 54 and playing a role.Thus, becoming is situated between between the above-mentioned binding wall 542 of movable member body 41 and the 2nd resettlement section 54 is provided with the state of spring 42, in addition, above-mentioned horizontal plate 541a is positioned at the top of the side protuberance 411 that is located on the movable member body 41, forbids the extracting upward of movable member body 41.Then, stationary parts 3 is housed in the 1st resettlement section 53, make the jut 31c on the body 31 be located at stationary parts 3 be arranged in the groove 532 of the 1st resettlement section 53, and the pause cooperating recesses 31k that is formed on the body 31 of stationary parts 3 match with counterpart 41k on being located at movable member body 41.Along with this accommodates operation, the insertion section 32 of stationary parts 3 is inserted among the through hole Ra of the through hole 53a of base portion 5 and above-mentioned liner R, simultaneously among the above-mentioned chimeric recess M11 that the fitting projection 33 of stationary parts 3 embeds on the upper end that is formed on elbow pillar 2.Therefore, in this example, the chimeric recess M11 of the fitting projection 33 of stationary parts 3 and elbow pillar 2 is the flat shape of mutual correspondence, and it is chimeric on selected installation direction arbitrarily from a plurality of installation directions with respect to elbow pillar 2 of stationary parts 3 to be set at chimeric recess M11 and fitting projection 33.By the chimeric mechanism that possesses so chimeric recess M11 and fitting projection 33 and stationary parts 3 is installed in the handrail E of this example on the elbow pillar 2, on the handrail E (L) that handrail E (L) and right elbow that left elbow is used are used, make the installation direction with respect to elbow pillar 2 different (with reference to Fig. 1) of stationary parts 3.
At first, the handrail E (L) for left elbow is used describes with reference to Fig. 6 and Fig. 7.Under the situation of the handrail E (L) that left elbow is used, with respect to the longitudinally that is positioned to make ancon 1 roughly with the ancon 1 of the corresponding to common use location LP of the fore-and-aft direction of chair C (Fig. 6 (a)), the installation direction of decision stationary parts 3, make jut 31c on the body 31 be located at stationary parts 3, can touch or near the both ends 532a that is formed on the groove 532 on the 1st resettlement section 53 of base portion 5, the end 532b on right side among the 532b, the fitting projection 33 with stationary parts 3 under keeping the state of this installation direction is entrenched among the chimeric recess M11 of elbow pillar 2.Under this chimerism, because the flat shape of fitting projection 33 and chimeric recess M11 is made as the octagonal shape of mutual correspondence, so stationary parts 3 and elbow pillar 2 are relative to not rotating.In addition, so long as can forbid in relative rotation shape and can obtain a plurality of chimeric directions, the flat shape of chimeric recess M11 and fitting projection 33, it also can be other shape, be set at as described later roughly in these examples of 90 degree in the anglec of rotation, also can adopt the quadrangle shape as other shape with ancon.Like this, by keeping under the state with respect to the installation direction of elbow pillar 2 of stationary parts 3, stationary parts 3 is housed in the 1st resettlement section 53, from the top that is formed on the taper hole 31a on the stationary parts 3 bolt B 2 is inserted, this bolt B 2 inserted in the continuous open pore 34 on the cardinal principle central portion that leads to the insertion section 32 that is formed on stationary parts 3 and fitting projection 33, and be screwed among the threaded portion M12 that is located on the chimeric recess M11, thereby stationary parts 3 is fixed on the elbow pillar 2 via base portion 5.At last, cover the ancon lid in the top mode that covers base portion 5, the bolt that to scheme not show from the below that is located at each the peritreme portion 511 on the base portion 5 is inserted logical, this bolt thread is engaged in is located in the screwed hole that figure that above-mentioned ancon covers do not show, thereby base portion 5 and cover parts 7 are tightened to one.
By above step, stationary parts 3 is fixed on the elbow pillar 2, and movable member 4 is installed on the ancon 1, constituted the handrail E (L) that this movable member 4 is used with respect to the left elbow of elbow pillar 2 spinning movements with ancon 1.Under this state, the spring 42 of movable member 4 the direction loading that some P thrusters are pressed along the counterpart 41k that will be formed on the movable member body 41 to the pivot of ancon 1 and elbow pillar 2, and counterpart 41k is engaged among the pause cooperating recesses 31k of stationary parts 3.
Then, the handrail E (L) that this left side elbow is used, being set to can be at the fore-and-aft direction of longitudinally that makes ancon 1 and chair C corresponding to common use location LP (Fig. 6 (a)) substantially, and with the pivot of ancon 1 and elbow pillar 2 from this common use location LP a little be that fulcrum turns clockwise and horizontally rotates between the left and right directions cardinal principle corresponding to rotation use location LQ (this figure (b)) of roughly 90 degree, the longitudinally that makes ancon 1 and chair C.And, when making ancon 1 when rotating between use location LP and the rotation use location LQ usually, above-mentioned spring 42, elongation when counterpart 41k embeds and is engaged among the pause cooperating recesses 31k, compression when counterpart 41k crosses the outer peripheral face 31b (similarly being the mountain peak that is positioned between pause cooperating recesses 31k on apparent) that is positioned at the stationary parts 3 between pause cooperating recesses 31k, thus movable member 4 is along the linearity earthquake work of the longitudinally of ancon 1.And, effect by this spring 42, counterpart 41k on one side with 4 pause cooperating recesses 31k touch or contact cooperate in turn on one side when, just when the angle with respect to elbow pillar 2 of ancon 1 changes, ancon 1 is stopped and the resistance of vibration sense that obtaining to have appropriateness at predetermined angular, and mated condition become stable.In addition, make ancon 1 when common use location LP has rotated to rotation use location LQ, be formed on the end 532a in the left side of the groove 532 on the 1st resettlement section 53 in the base portion 5 of ancon 1, promptly, with touch at the common jut 31c of LP place, use location stationary parts 3 or the opposing party's that a side's of approaching groove 532 end 531b is different end 532a, touch mutually with the jut 31c of stationary parts 3, thereby this angle that surpasses with respect to elbow pillar 2 of ancon 1 further is subjected to regulation to clockwise spinning movement.Be set in addition, carrying out making the ancon 1 that is positioned at rotation use location LQ to be rotated counterclockwise, to make under the situation of its operation of returning common use location LP, the end 532b on the right side of groove 532 touches on the jut 31c of stationary parts 3, forbid ancon 1 further to anticlockwise spinning movement.Like this, both ends 532a, the 532b of groove 532 bring into play function as the contacting part that constitutes rotation limiting mechanism of the present invention, constitute rotation limiting mechanism of the present invention by both ends 532a, the 532b of this groove 532 and the jut 31c of stationary parts 3.In addition, in this example, each end 532a, 532b of groove 532 and the line segment angulation that pivot some P will be linked, be the central angle of groove 532, be set at that the line segment angulation of some P with each end that links jut 31c and pivot is added the anglec of rotation of ancon (be roughly 90 degree) gained and equate.
On the other hand, under the situation of the handrail E (R) that right elbow is used, as Fig. 8 and shown in Figure 9ly do not have, with respect to the ancon 1 that is positioned at common use location RP (Fig. 8 (a)), the installation direction of decision stationary parts 3, make the jut 31c of stationary parts 3, can touch or near the end 532a in left side among both ends 532a, the 532b of the groove 532 of ancon 1, the fitting projection 33 with stationary parts 3 under the state of having kept this installation direction is entrenched among the chimeric recess M11 of elbow pillar 2.After this installation steps are identical with the installation steps of the handrail E (L) that above-mentioned left elbow is used, therefore omit explanation.Like this, the handrail E (R) that right elbow is used, being set to can be at the fore-and-aft direction of longitudinally that makes ancon 1 and chair C corresponding to common use location RP (this figure (a)) substantially, and some P from this common use location RP with the pivot of ancon 1 and elbow pillar 2 be that fulcrum is rotated counterclockwise between the left and right directions cardinal principle corresponding to rotation use location RQ (this figure (b)) of 90 degree, the longitudinally that makes ancon 1 and chair C substantially and horizontally rotates.In addition, when when making ancon 1 rotation between use location RP and the rotation use location RQ usually, above-mentioned spring 42, elongation when counterpart 41k embedding is engaged among the pause cooperating recesses 31k, compression when counterpart 41k crosses the outer peripheral face 31b (seeing to seem the mountain peak that is positioned between pause cooperating recesses 31k on apparent) that is positioned at the stationary parts 3 between pause cooperating recesses 31k, make movable member 4 be linearity earthquake work thus along the longitudinally of ancon 1, this point is identical with the handrail E (L) that above-mentioned left elbow is used, ancon 1 is stopped with predetermined angular, obtain to have the resistance of appropriate vibration sense.Yet, make ancon 1 rotate to rotation during the RQ of use location from common use location RP, the end 532b on the right side that is formed on the groove 532 on the 1st resettlement section 53 in the base portion 5 of ancon 1, just with touch at the common jut 31c of RP place, use location stationary parts 3 or the opposing party's that a side's of close groove 532 end 532a is different end 532b, touch on the jut 31c of stationary parts 3, thus ancon 1 further be subjected to regulation with respect to elbow pillar 2 to anticlockwise spinning movement.Be set in addition, carrying out making the ancon 1 that is positioned at rotation RQ place, use location to turn clockwise, make under the situation of its operation of returning common use location RP, the end 532a in the left side of groove 532 touches on the jut 31c of stationary parts 3, forbids the further spinning movement of ancon 1.
Like this, with paired handrail E (L), the E (R) that is provided with of end, the left and right sides left and right symmetrically of present S, be set at its user mode with the person of taking a seat is adapted, ancon 1 is being horizontally rotated between use location LP, RP and rotation use location LQ, the RQ usually, by making each ancon 1 to close mutually direction rotation, then the longitudinally of each ancon 1 is oriented to and the left and right directions of chair C corresponding to imaginary line shape substantially, for example can also conduct on desk the jib during operation keyboard wait and use.In addition, this handrail E is set to the person of taking a seat and can regulates by being located at the height that height adjustment mechanism on the elbow pillar 2 freely carry out ancon 1.
Like this, the handrail E of this example, pause mechanism possesses the stationary parts 3 that has a plurality of pause cooperating recesses 31k on outer peripheral face 31b, with with ancon 1 spinning movement and have the movable member 4 of the counterpart 41k of resilient engagement on a plurality of pause cooperating recesses 31k in turn, when stationary parts 3 is installed to elbow pillar 2 sides, movable member 4 is installed to above-mentioned ancon 1 side, therefore irrelevant with the anglec of rotation of ancon 1, the cooperation direction of the pause cooperating recesses 31k of counterpart 41k and stationary parts 3 is certain all the time, can not be subjected to ancon 1 the anglec of rotation about make the matching relationship of counterpart 41k and pause cooperating recesses 31k good all the time, and can freely set the rotating range of ancon 1.In addition, because can with touch mutually with counterpart 41k or the outer peripheral face 31b set of the body 31 of close stationary parts 3 near the circumference 52 of ancon 1, therefore can be provided with stationary parts 3 very big to greatest extent, can improve the stability of the pivot holding state of elbow pillar 2 and ancon 1.
Particularly, because movable member 4, possesses the movable member body 41 that is provided with above-mentioned counterpart 41k, with spring 42 from some P thruster pressures to the pivot of ancon 1 and elbow pillar 2 that this counterpart 41k, therefore the anglec of rotation with ancon 1 has nothing to do, and can make the press direction of spring 42 all the time, and is consistent with the cooperation direction that is formed on the pause cooperating recesses 31k on the stationary parts 3 with counterpart 41k, its result can not be subjected to the anglec of rotation control ground of ancon 1 to make the pushing function of spring 42 effectual all the time.
In addition, owing to be provided with the rotation limiting mechanism of anglec of rotation regulation in predetermined angular with respect to the ancon 1 of elbow pillar 2, therefore can accordingly the spinning movement of ancon 1 be set in the angle of regulation with the person's of taking a seat demand, make it become the good product of practicality.
And, owing to utilize the jut 31c on the outer peripheral face 31b that is located at stationary parts 3, constitute this rotation limiting mechanism with both ends 532a, the 532b of groove 532 on the inner peripheral surface that is formed on the circular arc wall 531 that constitutes the 1st resettlement section 53 accommodate stationary parts 3, and constitute when ancon 1 carries out the predetermined angular rotation, one side's of jut 31c and groove 532 end 532a (or 532b) touches, therefore the end 532a (or 532b) of the side by jut 31c and groove 532 touches the further spinning movement of regulation handrail E reliably.In addition, because stationary parts 3 is housed in the 1st resettlement section 53, therefore can carry out the location with respect to ancon 1 of stationary parts 3 simply, owing to use the 1st resettlement section 53 of the relation that is in tight contact and stationary parts 3 to constitute rotation limiting mechanisms, therefore can improve the function of the anglec of rotation of regulation ancon 1 effectively simultaneously.And then, because the distance between both ends 532a, the 532b of groove 532, i.e. the central angle of groove 532 directly reflects the rotation angle range of ancon 1, therefore by suitably setting the central angle of groove 532, can be simply the rotation angle range of ancon 1 be set at required angular range.And then, owing to the flat shape of jut 31c is made as roughly fan-shaped, therefore can avoids effectively touching the possibility that on the end of groove 532 532a or 532b, causes jut 31c self to sustain damage with simple structure owing to the spinning movement of following ancon 1 makes jut 31c.
In addition, can be owing to be constituted as by the installation direction of change with respect to the stationary parts 3 of elbow pillar 2, change the rotation limiting scope of ancon 1, change is with respect to the direction of rotation of the ancon 1 of elbow pillar 2, therefore utilize the such shirtsleeve operation of installation direction of change stationary parts 3, just can change each handrail E (L), the direction of rotation of E (R), and in above-mentioned example from common use location LP, RP is to rotation use location LQ, the direction of rotation of RQ, compare with the handrail of using the parts that need special use respectively with right elbow at left elbow, no matter be the handrail E which elbow of the left and right sides is used, can the identical part of dual-purpose, help the reduction of part number and the reduction of cost.
At this moment, fitting projection 33 by the bottom that is located at stationary parts 3, constitute chimeric mechanism with the chimeric recess M11 of the upper end that is formed on elbow pillar 2, and these chimeric recess M11 and fitting projection 33, tabling on any one installation direction of from a plurality of installation directions with respect to elbow pillar 2 of stationary parts 3, selecting, and, because the flat shape of fitting projection 33 and chimeric recess M11 is roughly corresponding each other octagon shape, therefore no matter on which installation direction, can both make fitting projection 33 and chimeric recess M11 so that state is chimeric closely reliably, that chimerism can be kept is fine, simultaneously fitting projection 33 and relative rotation of chimeric recess M11 can be prevented, the installation direction skew with respect to elbow pillar 2 of stationary parts 3 can also be prevented reliably.Particularly, because the flat shape of fitting projection 33 and chimeric recess M11 is made as the octagon shape, therefore under the states of the anglec of rotation of ancon 1 being guaranteed for 90 degree roughly, handrail E (L), the E (R) that uses with right elbow as left elbow be dual-purpose well, is the good product of practicality.Be set at roughly 90 when spending in the anglec of rotation, be set under the foursquare situation, also can obtain and above-mentioned same effect in flat shape with fitting projection 33 and chimeric recess M11 with ancon 1.
In addition, elbow pillar 2, possess and the fixing present S in bottom gone up and with the pillar body 6 of vertical-position configuration, with the cover parts 7 that can insert the outside that is entrenched in this pillar body 6 with taking off, between pillar body 6 and cover parts 7, be provided with the height adjustment mechanism of adjusting, therefore can regulate the height of handrail E integral body accordingly, be to use product very easily with the person's of taking a seat physique, use sample attitude with respect to the setting height(from bottom) position of the cover parts 7 of pillar body 6.
Particularly, height adjustment mechanism, possess along what short transverse was formed with a plurality of mating holes 81a and be engaged parts 8, with have the component 9 that can be engaged in the cooperation pawl 91 in the mating holes 81a selectively, and be spring 10 to cooperating pawl 91 can be engaged in the charger that the direction in the mating holes 81a loads with component 9, and constitute the operating physical force of regulation that can be by applying the loading force that overcomes spring 10, remove the mated condition that cooperates pawl 91 and mating holes 81a, therefore when adopting simple formation, operate also simple, very suitable.
Moreover the present invention is not limited to the above example that is described in detail.
For example, cooperate important document, replace being the above-mentioned pause cooperating recesses of concavity, can also adopt the pause that is convex to cooperate protuberance as the pause that is formed on the stationary parts.At this moment, as long as cooperate the shape of protuberance accordingly the shape of counterpart to be made as concavity with this pause.
In addition, in above-mentioned example, by movable member body with counterpart, with the elasticity charger be that spring constitutes movable member, but also can with rubber etc. can strain homogenous material constitute movable member, and utilize the elasticity of this movable member self to make counterpart and above-mentioned pause cooperate important document to match.In addition, the type that for example can also use movable members self such as ball to work as counterpart as movable member.Moreover, in above-mentioned example, be spring as the elasticity charger, illustration helical spring, but also can adopt flat spring etc.
In addition, rotation limiting mechanism also is not limited to above-mentioned example, for example, also can on the inner peripheral surface of the resettlement section of accommodating stationary parts jut be set, and on the outer peripheral face of stationary parts contacting part is set.At this moment, if on the outer peripheral face of stationary parts, form groove, worked in the both ends of this groove as above-mentioned contacting part.In addition, be set in the anglec of rotation under the situation of angle arbitrarily, as long as the central angle of groove is set at this angle arbitrarily with respect to the elbow pillar with ancon.And then, above-mentioned rotation limiting mechanism can also be set, and with ancon with can 360 with respect to the elbow pillar mode that horizontally rotates of degree set.At this moment, cooperate important document as long as on the whole zone of the outer peripheral face of stationary parts, form continuously or discontinuously to pause.
In addition,, fitting projection is located under the situation of upper end of elbow pillar, also plays and above-mentioned same action effect even if be located at the bottom of stationary parts at the chimeric recess that will constitute chimeric mechanism.In addition, though the preferably corresponding mutually regular polygon shape of the flat shape of chimeric recess and fitting projection so long as can carry out the shape of the chimeric combination more than 2 kinds at least, also can be set at the shape of abnormity such as rhombus, ellipse.At this moment, be more preferably flat shape with above-mentioned chimeric recess and above-mentioned fitting projection, be set at and select at least to make a chimeric sample attitude of chimeric recess and fitting projection tabling on an installation direction and make chimeric recess and the shape of fitting projection another chimeric sample attitude of tabling on another installation direction.
In addition, as shown in figure 10, elbow pillar X2 can also following mode constitute, and promptly this elbow pillar X2 possesses and goes up and with the pillar body X6 of vertical-position configuration with can insert the cover parts X7 in the outside that is entrenched in this pillar body X6 the bottom is fixing present with taking off; Position, upper end at pillar body X6 forms a plurality of mating holes X61 along short transverse, and be provided with the side and see the component X9 that is the arm shape, this component X9 has the cooperation pawl X91 that can be engaged in the mating holes X61 in the bottom, and being set to can be by the trunnion axis Xn rotation that is maintained on the maintaining part X71, and constitute the elasticity of utilizing the spring X10 on the spring maintaining part X72 that is maintained on the inner peripheral surface of being located at cover parts X7, will cooperate pawl X91 to its direction that is engaged in the mating holes X61 is pushed.And, can also adopt the height adjustment mechanism that constitutes in such a way, promptly, this height adjustment mechanism, to be used to operate the operating portion XO of this component X9, the state that operating portion body XO1 is exposed with the openning X73 via the front edge side that is formed on cover parts X7 is arranged on the elbow pillar X2, the base end part XO2 of this operating portion XO is installed in the upper end of above-mentioned component X9, by being engaged in the state that moves up and down of forbidding overlapping parts X7 in the mating holes X61 from cooperation pawl X91, undertaken finger is acted on the operation that this operating portion XO is rotated upward by the person of taking a seat, thereby component X9 is the fulcrum rotation with above-mentioned trunnion axis Xn, cooperate the mated condition (representing with imaginary line among this figure) of pawl X91 and mating holes X61 to be disengaged thereupon, the action that slides up and down with respect to pillar body X6 of cover parts X7 is allowed, at required height and position, by stopping operating physical force, cooperate pawl 91 to be engaged in the mating holes 81a that is positioned at this height and position for operating portion.If such product with comparing of above-mentioned example, can be sought the reduction of part number.
In addition, the concrete formation for each one also is not limited to above-mentioned example, can carry out various distortion in the scope that does not break away from aim of the present invention.
Utilizability on the industry
As described above like that, handrail of the present invention is equipped with at outer peripheral face in elbow pillar side and forms A plurality of pauses cooperate the stationary parts of important documents, be equipped with in the ancon side simultaneously that have can be a plurality of with this Pausing cooperates the in turn movable member of the counterpart of resilient engagement of important document, therefore no matter with respect to the elbow pillar The anglec of rotation of ancon be what angle, the pause of counterpart and stationary parts cooperates the elasticity of important document The direction that cooperates is constant always, can not be subjected to the anglec of rotation of ancon control with counterpart with Pause to cooperate the mated condition of important document to keep finely always, and can free end set the rotation of ancon Scope.

Claims (17)

1. handrail, this handrail possess the elbow that is used to make the person of taking a seat by ancon and pivot and support the elbow pillar of this ancon, above-mentioned ancon constituted can with the pivot of above-mentioned ancon and above-mentioned elbow pillar a little be that fulcrum horizontally rotates, and between above-mentioned ancon and above-mentioned elbow pillar, be provided with and be used to make ancon in pause mechanism that predetermined angular stops, it is characterized in that, above-mentioned pause mechanism, possess at outer peripheral face and have the stationary parts that a plurality of pauses cooperate important document, with with above-mentioned handrail spinning movement, has the movable member of the counterpart of resilient engagement on above-mentioned a plurality of pauses cooperation important documents in turn, above-mentioned stationary parts is installed in above-mentioned elbow pillar side, and above-mentioned movable member is installed in above-mentioned ancon side.
2. handrail as claimed in claim 1, wherein above-mentioned movable member possess above-mentioned counterpart and this counterpart the elasticity charger that some thrusters are pressed to above-mentioned pivot.
3. handrail as claimed in claim 1 or 2 wherein is provided with the rotation limiting mechanism of anglec of rotation regulation in predetermined angular with respect to the above-mentioned ancon of above-mentioned elbow pillar.
4. handrail as claimed in claim 3, the resettlement section that can accommodate above-mentioned stationary parts wherein is set on above-mentioned ancon, above-mentioned rotation limiting mechanism, be to possess the jut on the side of inner peripheral surface of the outer peripheral face that is located at above-mentioned stationary parts or above-mentioned resettlement section and be located at the mechanism that the opposing party goes up, touches the contacting part of above-mentioned jut when ancon has rotated predetermined angular.
5. handrail as claimed in claim 4, wherein on a side of the outer peripheral face of the above-mentioned stationary parts that is provided with contacting part or above-mentioned inner peripheral surface of accommodating parts, setting has and the outstanding size of the above-mentioned jut groove of corresponding depression size substantially, with the both ends of this groove as above-mentioned contacting part, make that in the spinning movement in the afore mentioned rules angle of above-mentioned handrail, above-mentioned jut and above-mentioned contacting part can not interfered mutually.
6. handrail as claimed in claim 5, wherein will link each end of above-mentioned groove and above-mentioned pivot and a little line segment angulation, be set at each end that links above-mentioned jut and above-mentioned pivot a little the line segment angulation and the anglec of rotation of above-mentioned ancon with about equally.
7. as claim 5 or 6 described handrails, wherein the flat shape of above-mentioned jut is fan shape roughly.
8. as claim 3,4,5,6 or 7 described handrails, wherein the anglec of rotation of above-mentioned handrail is 90 degree roughly.
9. as claim 3,4,5,6,7 or 8 described handrails, wherein constituting can be by the installation direction of change with respect to the above-mentioned stationary parts of above-mentioned elbow pillar, change the rotation limiting scope of above-mentioned ancon, change is with respect to the direction of rotation of the above-mentioned ancon of above-mentioned elbow pillar.
10. handrail as claimed in claim 9, wherein above-mentioned stationary parts is installed on the above-mentioned elbow pillar by chimeric mechanism, above-mentioned chimeric mechanism, possesses the chimeric recess on the side of upper end of the bottom that is located at above-mentioned stationary parts or above-mentioned elbow pillar, with be located at the opposing party go up, with the fitting projection of above-mentioned chimeric recess tabling, described chimeric recess and fitting projection, tabling on any one installation direction of from a plurality of installation directions with respect to above-mentioned elbow pillar of above-mentioned stationary parts, selecting.
11. handrail as claimed in claim 10, wherein will be among the above-mentioned a plurality of installation directions with respect to above-mentioned elbow pillar of above-mentioned stationary parts, along the line segment of an installation direction and line segment angulation, be set at the anglec of rotation of above-mentioned ancon and equate substantially along another installation direction different with this installation direction.
12. handrail as claimed in claim 11, wherein with the flat shape of above-mentioned chimeric recess and above-mentioned fitting projection, set for and can select to make an above-mentioned chimeric recess and above-mentioned fitting projection chimeric chimeric form and make above-mentioned chimeric recess and the shape of above-mentioned fitting projection another chimeric chimeric form on above-mentioned another installation direction on an above-mentioned installation direction at least.
13. as claim 10,11 or 12 described handrails, the flat shape of wherein above-mentioned chimeric recess and above-mentioned fitting projection is mutual corresponding regular polygon shape substantially.
14. handrail as claimed in claim 13, wherein above-mentioned regular polygon shape is square or octagon.
15. as claim 1,2,3,4,5,6,7,8,9,10,11,12,13 or 14 described handrails, wherein above-mentioned elbow pillar possess with the bottom fixing present go up, with the pillar body of vertical-position configuration, with the cover parts that can insert the outside that is entrenched in this pillar body with taking off, between above-mentioned pillar body and above-mentioned cover parts, be provided with and regulate the height adjustment mechanism of above-mentioned cover parts with respect to the setting height(from bottom) position of above-mentioned pillar body.
16. handrail as claimed in claim 15, wherein above-mentioned height adjustment mechanism, possess the parts that are engaged that are formed with a plurality of mating holes along short transverse, with component, and can be engaged in the charger that the direction on the above-mentioned mating holes loads above-mentioned component to above-mentioned cooperation pawl with the cooperation pawl that can cooperate with above-mentioned mating holes selectively; And constitute and to cooperate the mated condition of pawl and mating holes to remove by the operating physical force of regulation.
17. a chair is characterized in that, present end, left and right sides left and right symmetrically becomes one to be provided with over the ground as any handrail of being put down in writing in the claim 1~16.
CN200480028509A 2003-12-18 2004-12-15 Elbow rest and chair Expired - Fee Related CN100593381C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003420526A JP4583024B2 (en) 2003-12-18 2003-12-18 Armrests and chairs
JP420526/2003 2003-12-18

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CN1859860A true CN1859860A (en) 2006-11-08
CN100593381C CN100593381C (en) 2010-03-10

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CN200480028509A Expired - Fee Related CN100593381C (en) 2003-12-18 2004-12-15 Elbow rest and chair

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JP (1) JP4583024B2 (en)
CN (1) CN100593381C (en)
WO (1) WO2005058098A2 (en)

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JP2005177054A (en) 2005-07-07
EP1695643A4 (en) 2010-12-29
WO2005058098A3 (en) 2005-10-06
WO2005058098A2 (en) 2005-06-30
CN100593381C (en) 2010-03-10
JP4583024B2 (en) 2010-11-17
EP1695643A2 (en) 2006-08-30

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