FR2683294A2 - Extendible support device - Google Patents

Extendible support device Download PDF

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Publication number
FR2683294A2
FR2683294A2 FR9014573A FR9014573A FR2683294A2 FR 2683294 A2 FR2683294 A2 FR 2683294A2 FR 9014573 A FR9014573 A FR 9014573A FR 9014573 A FR9014573 A FR 9014573A FR 2683294 A2 FR2683294 A2 FR 2683294A2
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France
Prior art keywords
cam
guide finger
segment
virtue
female
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Granted
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FR9014573A
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French (fr)
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FR2683294B2 (en
Inventor
Philippe Rothschild
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Individual
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Individual
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Priority to FR9014573A priority Critical patent/FR2683294B2/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • A47C19/04Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00Feet for furniture in general
    • A47B91/02Adjustable feet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00General construction of tables or desks
    • A47B2200/0011Underframes
    • A47B2200/002Legs
    • A47B2200/0034Spring loaded "push-push" latch assembly for table leg

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The subject of the invention is various modifications of the extendible support device according to the main patent, for the purpose of avoiding, by virtue of a tightening up (13) in the connection segment (12), the guide finger (6) of the cam (3) coming out involuntarily, of trapping the guide finger (6) between the male element (1) and the female element (2) of the device, and of facilitating, by virtue of a shoulder (20), the positioning thereof during assembly, of providing greater stability for the device produced by moulding plastic, by limiting the oscillations of the female part (2), by adding increased thicknesses (10) pointing radially on the male part, at the lateral points of contact of the two elements (1) and (2) of the device, of facilitating the moulding of the male element (1) by virtue of the arrangement of some segments of the cam (3), one side of which points radially and the other side of which perpendicularly to the diametral reference plane, the conjugate guide finger (6) assuming a conical shape.

Description

La présente demande a pour objet une addition à la demande de brevetThis application is for an addition to the patent application

principale N 09004645 déposée le 11-4-90, qui avait pour objet un dispositif télescopique de support extensible, constitué d'un élément màle et d'un élément femelle, dans lequel, sur un des éléments est prévue une came sur laquelle se déplace un doigt-guide solidaire de l'autre élément, pour amener au moins une butée intérieure prévue sur l'un des éléments, en appui sur au moins une partie solidaire de l'autre élément, le profil de ladite came étant complété par un segment permettant l'introduction et le retrait du doigt-guide reliant le plan horizontal supérieur de l'élément portant la came, à l'un des segments de la dite came, notamment le segment de la dite came, parcourue par le doigt-guide, dans sa phase descendante, de sorte que l'introduction et le retrait du doigt-guide dans la came, peuvent Stre obtenus sans démontage préalable de ce doigt. Selon une caractéristique de l'invention, objet de la demande de brevet principale, le segment qui relie le plan horizontal supérieur de l'élément portant la came à ladite came, fait sa jonction avec ladite came, au niveau de la partie supérieure du segment parcourue par le  main N 09004645 filed on 11-4-90, which had for object a telescopic extensible support device, consisting of a male element and a female element, in which, on one of the elements is provided a cam on which moves a guiding finger integral with the other element, for bringing at least one inner stop provided on one of the elements, resting on at least one part integral with the other element, the profile of said cam being completed by a segment allowing insertion and removal of the guide finger connecting the upper horizontal plane of the element carrying the cam, to one of the segments of said cam, in particular the segment of said cam, traversed by the guide finger, in its downward phase, so that the introduction and withdrawal of the guide finger in the cam, can be obtained without prior disassembly of the finger. According to one feature of the invention, object of the main patent application, the segment which connects the upper horizontal plane of the element carrying the cam to said cam, is joined to said cam, at the upper part of the segment. traveled by the

doigt-guide dans sa phase descendante.  guide finger in its downward phase.

Selon une autre caractéristique de l'invention, objet de la demande de brevet principale, le segment de came permettant l'introduction et l'échappement du doigt coopérant dans et hors du système de came, présente successivement, en partant du plan supérieur, une partie droite, une courbure, et une partie horizontale de  According to another characteristic of the invention, object of the main patent application, the cam segment allowing the introduction and the escape of the finger cooperating in and out of the cam system, presents successively, starting from the upper plane, a right part, a curvature, and a horizontal part of

liaison à la partie supérieure du segment de ladite came.  connection to the upper part of the segment of said cam.

Selon une autre caractéristique, objet de la demande principale, la section de tous les segments de la came, à la surface de l'élément màle du dispositif, est en forme de U le doigt-guide conjugué ayant une forme cylindrique et son diamètre, à son extrémité pénétrant dans la came, étant inférieur ou égal à celui de son extrémité opposée, par laquelle il est rendu solidaire de l'élément femelle  According to another characteristic, object of the main request, the section of all segments of the cam, on the surface of the male element of the device, is U-shaped the conjugate guide-finger having a cylindrical shape and its diameter, at its end penetrating into the cam, being less than or equal to that of its opposite end, by which it is secured to the female element

du dispositif.of the device.

L'objet de la présente demande est d'apporter des perfectionnements au tracé du segment de came de raccordement en vue d'éviter toute prise d'appui du doigt-guide solidaire de l'élément femelle, sur la partie horizontale, ou dans la courbure du segment de came permettant l'introduction et l'échappement du doigt coopérant dans le système, et hors du système de came; d'apporter des modifications spécifiques d'une réalisation par moulage du dit ensemble: au profil en U de certains des segments de la came pour en faciliter la production par moulage; au profil du doigt-guide, à la fois pour interdire sa sortie hors de son logement dans la partie femelle, une fois assemblés les éléments mâle et femelle, pour limiter la fragilisation de la partie femelle, en limitant le diamètre de ce logements et pour permettre la création de segments de came ou de raccordement, de section en V ou en U ouvert et de moindre largeur, pour que la came occupe au moins dans certaines zones, une moindre surface et que l'on puisse ainsi maximiser l'extension du dispositif; et pour maximiser, pour un profil modifié des segments de came la surface de contact entre doigt et parois de segments, les plus sollicités Il est aussi d'améliorer la stabilité de l'élément femelle par rapport à l'élément male, plus particulièrement lorsque le dispositif est en position d'extension, compte tenu des risques d'ovalisation, lors du refroidissement après opération de moulage, de l'extrémité supérieure de l'élément mâle, et donc de mauvais fonctionnement du dispositif, pouvant aller jusqu'à un serrage empêchant tout coulissement de la partie mâle dans la partie femelle, lesquels risques limitent le resserrement possible des c 8 tes respectivement intérieures de l'élément femelle,  The object of the present application is to provide improvements to the drawing of the connecting cam segment to avoid any support of the guide finger integral with the female element, on the horizontal part, or in the curvature of the cam segment for the introduction and escape of the cooperating finger in the system, and out of the cam system; to make specific modifications of an embodiment by molding said set: U-profile of some of the segments of the cam to facilitate production by molding; to the profile of the guide-finger, both to prohibit its exit from its housing in the female part, once assembled the male and female elements, to limit the embrittlement of the female part, limiting the diameter of this housing and to allow the creation of cam segments or connection, V-section or open U and smaller width, so that the cam occupies at least in some areas, a smaller area and that we can maximize the extension of the device; and to maximize, for a modified profile of the cam segments the contact surface between finger and segment walls, the most stressed It is also to improve the stability of the female element relative to the male element, more particularly when the device is in the extended position, taking into account the risk of ovalisation, during the cooling after molding operation, of the upper end of the male element, and therefore of malfunction of the device, which may be up to clamping preventing any sliding of the male part in the female part, which risks limit the possible tightening of the inner or inner sides of the female element,

extérieures pour l'élément mâle.  external parts for the male element.

Selon le présent additif, le tracé du segment de raccordement à la came est modifié par rapport au mode de réalisation précédemment décrit, selon lequel le segment comporte une partie horizontale de raccordement à la came, de manière à empêcher le doigt-guide de trouver sur l'arrête inférieure du dit segment, une position de blocage pouvant servir de position de prise d'appui de l'élément femelle sur l'élément male du dispositif, hors l'intervention d'une butée intérieure à la partie femelle, ceci étant obtenu par l'inclinaison de la partie horizontale du segment de raccordement à la came, l'angle d'inclinaison étant suffisant pour que toute tentative de prise d'appui provoque systématiquement la rotation de la partie male et l'entrée du doigt-guide dans la came, après introduction par le haut ou par le bas, dans le cas d'une manoeuvre mal avisée, du doigt-guide dans ledit  According to the present additive, the plot of the segment of connection to the cam is modified with respect to the embodiment previously described, wherein the segment comprises a horizontal portion of connection to the cam, so as to prevent the guide finger from finding on the lower end of said segment, a locking position that can serve as a bearing position of the female element on the male element of the device, except for the intervention of an internal stop to the female part, this being obtained by the inclination of the horizontal portion of the coupling segment to the cam, the angle of inclination being sufficient so that any attempt to take support systematically causes the rotation of the male part and the entry of the guide finger in the cam, after introduction from above or from below, in the case of a misguided maneuver, the guide finger in said

segment de raccordement.connecting segment.

Selon le présent additif, le segment de raccordement est également modifié par la présence en un point quelconque de son tracé, d'un rétrécissement évitant la sortie involontaire du doigt-guide, hormis le désassemblage intentionnel du dispositif, le rétrécissement offrant alors un point résistant au  According to the present addendum, the connecting segment is also modified by the presence at any point of its path, a narrowing avoiding the unintentional exit of the guide finger, except the intentional disassembly of the device, the narrowing then providing a resistant point the

démontage.disassembly.

Selon le présent additif, le profil du doigt-guide est complété par un épaulement qui ne permet son positionnement et son enlèvement que de l'intérieur de la partie femelle, facilitant ainsi la précision de son positionnement, évitant le risque de tout glissement hors de son logement ménagé dans le bas de la partie femelle, et la traversant partiellement pour préserver alors l'esthétique de la partie femelle ou en totalité, la dissociation des diamètres c 8 té came et c 8 té logement permettant de concilier au mieux, d'une part la recherche d'une bonne "glisse" par une surface de contact accrue, due à un plus grand diamètre, dans les segments de la came, d'autre part la réduction du diamètre du logement, 9 ued auniep Da Gjed aunfp gsa 3 e 4 sa D ap 'a B}zipow uou âalevpeu Duawalq Isuas uoi:sods Tp aun iabel Inow ap ueld 31 Duessiut 4 p aeuaa J 4 ap/Ieu 1 aweip ueld un i quodde _ed ':ue 4 uasp Jd s To-ed sinal tippow qsa _ 4 ls Qdsip 52 np ale Tpej Duawalqlsuas au 65 i aun e 4 uoddeu ed sanbi 4 qwÀs qa salp Ileued saej xnap ma Ae quwapo Dev ap 4 uawoas np qa a Bute ap squa Bwas sap uolq Bas el ap N ua jjjo Jd al _l tppe 4 uaspid al uola S alawa 02 a B Tejd el ap a Bnatlg 4 ut ame_ 4 lns el jed qi Dpp a Bpuil AD np uot:tsod ua a 6 emolq al a Insse Illnb Taq allawa B alued el; 4 _oddej Jed quawauuot; tsod un a 4 uas B Jd ianbal algw alqued el ap quawase Ap I ed asuadwo D 4 sa suolvelitmsop anbs TJ a BD gassewe J uo 141 sod uanb slpue B 'uoiqes T Ie^Ao T g T a B Ba rns Bal W a B Tied el ap aunra T Jdns a B Ted el ap uolle Dliqe 4 B ap samuep TO 4;a saqo D sal Ba_-assa J sues Bainaiia Dul ap;nq aun suiow ne ins indde 4 ueua Jd allawaj a Bled el ap suoilel Illsop anbslb al euolTsod a Ba D suep Dues Tnppu ua glj tsodstp ne at Ilqe Bs ap snld jauuop 01 ap ue 4 aw-iad ialg W ai Ted el B ns allawa_ 4 ai Ted el ap aseq el ap xneulpfel 4 De:uon ap S 5 Uiod xne guoisua 4 xap uoi 4 isod ua 4 quepuodsa Jdom nea A Tu ne gale W aiqed el ap a De_ 4 ns ua 'neauue unp awioj snos Duawale Sua^sueu J no ea D Ij 4 eajup O es uolas saa:ualdo Ésunass iedpjns g ap ofuo uope BI ued ap L_ 4 P Ow Dsa B I Dsodsip np algw aiued el ap a Be D Jns el 4 lqlppe quase Jd al uola S _ 411 sodslp np all In uoisuaqxa l uaqlwll 4 a al Tawa B 4 uawplpl jasit O 5 e Bj nad a Due Bodwtil 4 uop  According to the present additive, the profile of the guide finger is completed by a shoulder which allows its positioning and its removal from the inside of the female part, thus facilitating the accuracy of its positioning, avoiding the risk of any slipping out of its housing formed in the bottom of the female part, and partially passing through to preserve the aesthetics of the female part or in full, the dissociation of diameters c 8 cam and c 8 té housing to reconcile the best, d ' on the one hand the search for a good "sliding" by an increased contact surface, due to a larger diameter, in the segments of the cam, on the other hand the reduction of the diameter of the housing, 9 ued auniep Da Gjed aunfp gsa 3 e 4 sa D ap 'a B} zipow uou dalevpeu Duawalq Isuas uoi: sods Tp aunabel Inow ap ueld 31 Duessiut 4 p aeuaa J 4 ap / Ieu 1 aweip ueld a iodine 4 uasp Jd s To- ed sinal tippow qsa _ 4 ls Qdsip 52 np ale Tpej Duawalqlsuas at 6 5 i u nd 4 uoddeu ed sanbi 4 qwas qa salp Ileued saej xnap my Ae quwapo Dev ap 4 uawoas np qa a Bute ap squa Bwas sap uolq Bas el ap N ua jjjo Jd al_l tppe 4 uaspid al uola S alawa 02 a B Tejd el ap a Bnatlg 4 ut ame_ 4 lns el jed qi Dpp a Bpuil AD np uot: tsod ua a 6 emolq al Insse Illnb Taq allawa B alued el; 4 _oddej Jed quawauuot; tsod a a 4 uas B Jd ianbal algw alqued el ap quawase Api ed asuadwo D 4 sa suolvelitmsop anbs TJ a BD gassewe J uo 141 sod uanb slpue B 'uoiqes T Ie Ao T g T a B Ba rns Bal W a B Tied el ap aunra T Jdns a B Ted el ap uolle Dliqe 4 B ap samuep TO 4; a saqo D sal Ba_-assa J sues Bainaiia Dul ap; nq a nd su nd indde 4 ueua Jd allawaj a Bled el ap suoilel Illsop anbslb al euolTsod a Ba D suep Dues Tnppu ua glj tsodstp ne at Ilqe Bs ap snld jauuop 01 ap ue 4 aw-iad ialg W ai Ted el B ns allawa_ 4 ai Ted el ap aseq el ap xneulpfel 4 From: uon ap S 5 Uiod xe guanua 4 xap uoi 4 isod ua 4 quepuodsa Jdom nea A You do not equal W aiqed el ap a 4 ns ua 'neauue unp awioj snos Duawale Sua ^ sueu J no ea D Ij 4 eajup O es uolas saa: ualdo Ésunass iedpjns g ap ofuo uope BI ued ap L_ 4 P Ow Dsa BI Dsodsip np algw aiued el ap a d Jns el 4 lqlppe quase Jd al uola S_ 411 sodslp np all In uoisuaqxa l uaqlwll 4 a al Tawa B 4 uawplpl jasit O 5 e Bj nad a Due Bodwtil 4 uop

V 6 Zú 899 ZV 6 Zú 899 Z

perpendiculaires au dit plan diamétral, les faces respectivement radiales et perpendiculaires étant inverses dans les deux secteurs délimités d'une part, par le diamètre de référence BB', d'autre part, par le rayon( 23) perpendiculaire à celui-ci, les faces perpendiculaires au diamètre étant disposées du c 8 té du segment le plus proche du rayon perpendiculaire, ou le chevauchant ceci étant combiné avec une forme du doigt-guide, conique au lieu d'être cylindrique, permettant de créer des segments de came et un segment de raccordement de section en V, ou en U ouvert, dont un c 8 té est orienté, comme décrit ci-dessus, sensiblement radialement, l'autre l'étant perpendiculairement par rapport au plan diamétral de référence, la conicité maximisant la surface de contact entre doigt et paroi, par création d'une plus longue génératrice de contact, lorsque la pression de l'un sur l'autre est la plus grande du fait du frottement entre le sol et la surface sphérique inférieure de l'élément m 2 le et donc de sa plus grande résistance à la rotation, lors du déroulement des phases successives du  perpendicular to said diametral plane, the respectively radial and perpendicular faces being reversed in the two sectors delimited on the one hand by the reference diameter BB ', on the other hand by the radius (23) perpendicular to it, the faces perpendicular to the diameter being arranged on the side of the segment closest to the perpendicular radius, or overlapping this being combined with a shape of the guide finger, tapered instead of being cylindrical, for creating cam segments and a a V-section or an open U-shaped connection segment, one of which is oriented, as described above, substantially radially, the other being perpendicular to the reference diametral plane, the conicity maximizing the surface contact between the finger and the wall, by creating a longer contact generator, when the pressure of the one on the other is the greatest because of the friction between the ground and the spherical surface i nférieure of the element m 2 le and therefore of its greater resistance to rotation, during the course of the successive phases of the

cycle de fonctionnement du dispositif.  operating cycle of the device.

La figure 1 représente une vue éclatée du dispositif dans lequel la came ( 3) est gravée sur l'élément m Wle ( 1) du dispositif, ainsi que le logement ( 9) de la butée ( 8), le segment de raccordement ( 7) est constitué d'un tronçon ( 12) pourvu d'un resserrement ( 13), et disposé angulairement, rejoignant le segment (E) de la came ( 3), suivi d'un coude et d'un tronçon vertical rejoignant lui le plan horizontal supérieur ( 4), la pente du dit t-ronçon ( 12) étant suffisante pour empacher toute prise d'appui du doigt-guide ( 6), empruntant exceptionnellement le segment (E) dans un sens ascendant, et pénétrant dans le segment de raccordement ( 7), du plan horizontal supérieur ( 4) à la came ( 3), le dit doigt ( 6) étant solidaire de la partie femelle en son logement ( 26), sur la paroi inférieure, la came ( 3) comportant elle successivement le tronçon (A) vertical ascendant, le tronçon (B), ascendant incliné vers la gauche, le tronçon (C), descendants le tronçon (D), ascendant verticalement, puis ascendant vers la droite, et en dernier, le tronçon (E), descendant vers la droite, puis vers la gauche, et aboutissant à la base du tronçon (B) o il fait sa jonction avec le long tronçon (A) La figure 1 représente également la partie sphérique ( 5) de l'extrémité inférieure de la partie màle ( 1) reliée à sa partie cylindrique par un évasement  FIG. 1 represents an exploded view of the device in which the cam (3) is etched on the element Wle (1) of the device, as well as the housing (9) of the abutment (8), the connecting segment (7). ) consists of a section (12) provided with a constriction (13), and arranged angularly, joining the segment (E) of the cam (3), followed by a bend and a vertical section joining the upper horizontal plane (4), the slope of said ratchet (12) being sufficient to prevent any support of the guide finger (6), exceptionally borrowing the segment (E) in an ascending direction, and penetrating into the connecting segment (7), the upper horizontal plane (4) to the cam (3), said finger (6) being secured to the female part in its housing (26), on the bottom wall, the cam (3) comprising successively the ascending vertical section (A), the section (B), ascending inclined to the left, the segment (C), descending the section (D), ascending vertically, then ascending to the right, and lastly, the section (E), descending to the right, then to the left, and ending at the base of the section (B) where it joins with the long section (A) Figure 1 also shows the spherical part (5) of the lower end of the male part (1) connected to its cylindrical part by a flare

( 14).(14).

La figure 2 représente une vue en coupe des éléments mâle ( 1) et femelle ( 2) du dispositif au niveau AA' de la figure 1, sur laquelle apparaissent, la butée de prise d'appui ( 8) et son logement ( 9), le profil modifié du doigt-guide ( 6), comportant un épaulement ( 20) et dont l'extrémité coulissant dans la came à une forme conique, la came étant constituée de rainures comportant un fond ( 25), qui outre les parois sensiblement radiales ( 21)  FIG. 2 represents a sectional view of the male (1) and female (2) elements of the device at the level AA 'of FIG. 1, on which the support abutment (8) and its housing (9) appear. , the modified profile of the guide finger (6) having a shoulder (20) and whose end sliding in the cam to a conical shape, the cam being constituted by grooves having a bottom (25), which besides the walls substantially radial (21)

qu'elles conservent, présentent des parois ( 22 et 24).  they retain, have walls (22 and 24).

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PGZ 99 ZPGZ 99 Z

FR9014573A 1990-11-22 1990-11-22 EXTENSIBLE SUPPORT DEVICE. Expired - Lifetime FR2683294B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9014573A FR2683294B2 (en) 1990-11-22 1990-11-22 EXTENSIBLE SUPPORT DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9014573A FR2683294B2 (en) 1990-11-22 1990-11-22 EXTENSIBLE SUPPORT DEVICE.

Publications (2)

Publication Number Publication Date
FR2683294A2 true FR2683294A2 (en) 1993-05-07
FR2683294B2 FR2683294B2 (en) 1994-09-09

Family

ID=9402468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9014573A Expired - Lifetime FR2683294B2 (en) 1990-11-22 1990-11-22 EXTENSIBLE SUPPORT DEVICE.

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FR (1) FR2683294B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1676501A2 (en) 2005-01-04 2006-07-05 Philippe Rothschild Increase of the amplitude and of the stability during lengthening of a telescopic device of an extensible support and also the maximisation of the number of bearings
FR2884294A1 (en) 2005-04-11 2006-10-13 Philippe Rothschild Telescopic extensible support device for e.g. raising spring mattress, has cam sections receiving finger-gauge attached to female part, and moving vertically relative to each other, and stop supported on steps arranged as staircase
FR2898179A1 (en) 2006-03-06 2007-09-07 Philippe Rothschild SELF-ADJUSTING CYLINDRICAL TELESCOPIC DEVICE WITH EXTENSIBLE SUPPORT, WITH TWO OR MORE BEARINGS AND WHICH CAN BE BLOCKED IN POSITION AT EACH OF THE EXTENSION POSITIONS.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1676501A2 (en) 2005-01-04 2006-07-05 Philippe Rothschild Increase of the amplitude and of the stability during lengthening of a telescopic device of an extensible support and also the maximisation of the number of bearings
FR2880246A1 (en) 2005-01-04 2006-07-07 Philippe Rothschild INCREASE IN EXTENSION AMPLITUDE AND STABILITY, AND MAXIMIZATION OF THE NUMBER OF BEARINGS OF A SELF-ADJUSTABLE SUPPORT
EP1676501A3 (en) * 2005-01-04 2007-06-27 Philippe Rothschild Increase of the amplitude and of the stability during lengthening of a telescopic device of an extensible support and also the maximisation of the number of bearings
FR2884294A1 (en) 2005-04-11 2006-10-13 Philippe Rothschild Telescopic extensible support device for e.g. raising spring mattress, has cam sections receiving finger-gauge attached to female part, and moving vertically relative to each other, and stop supported on steps arranged as staircase
FR2898179A1 (en) 2006-03-06 2007-09-07 Philippe Rothschild SELF-ADJUSTING CYLINDRICAL TELESCOPIC DEVICE WITH EXTENSIBLE SUPPORT, WITH TWO OR MORE BEARINGS AND WHICH CAN BE BLOCKED IN POSITION AT EACH OF THE EXTENSION POSITIONS.
WO2007102124A2 (en) 2006-03-06 2007-09-13 Philippe Rothschild Cylindrical telescopic device lockable at multiple levels
WO2007102124A3 (en) * 2006-03-06 2007-12-13 Philippe Rothschild Cylindrical telescopic device lockable at multiple levels

Also Published As

Publication number Publication date
FR2683294B2 (en) 1994-09-09

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