EP0973424A1 - Elastic device acting as interface between a lath joining piece and a rest bar frame - Google Patents
Elastic device acting as interface between a lath joining piece and a rest bar frameInfo
- Publication number
- EP0973424A1 EP0973424A1 EP97953965A EP97953965A EP0973424A1 EP 0973424 A1 EP0973424 A1 EP 0973424A1 EP 97953965 A EP97953965 A EP 97953965A EP 97953965 A EP97953965 A EP 97953965A EP 0973424 A1 EP0973424 A1 EP 0973424A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- support
- elastic member
- fixed plate
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
- A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
- A47C23/062—Slat supports
- A47C23/063—Slat supports by elastic means, e.g. coil springs
- A47C23/064—Slat supports by elastic means, e.g. coil springs by elastomeric springs
Definitions
- the present invention relates to an elastic device acting as an interface between a batten end piece and the side members of a box spring frame.
- DE-28 12 335 also allows a vertical and pitching movement of the batten which results from the deformation of an elastic member made of elastomer.
- the amplitude of movement of the nozzle is low because the organ is enclosed in a small cavity.
- the parts constituting this nozzle are not truly integral with each other; they can separate.
- the present invention provides a device which allows a large amplitude of movement of the mono or multi-piece nozzle, this movement being carried out according to a vertical component and a horizontal axial component which allows a tilting or pitching movement of the slats to better match the shapes taken by the mattress.
- the device according to the invention also has the advantage of being very silent during its operation, compared to elastic devices using metal springs for example.
- the device according to the invention also has the advantage of avoiding an excessive reduction in the length of the slats, thus making it possible to maintain a certain harmony in their distribution on the mattress, between the zone of the shoulder hollow where one finds the device according to the invention, and the rest of the bed base where the end pieces supporting the slats are mounted directly on the long side or side member of the frame.
- the device according to the invention comprises: - a fixed plate attached to the internal part of the spar and integral with the latter, - a mobile plate, guided relative to said fixed plate, comprising means for accommodating a nozzle and - an elastic member interposed between the two plates.
- This elastic member is in the form of a ring made of a suitable plastic material, the hardness of which is chosen according to requirements, acting as a spring, which ring is simply interposed between a support disposed at the lower part of the fixed plate and a support disposed at the upper part of the movable plate, thus allowing elastic deformation of the lateral arcs of said ring.
- This elastic ring is preferably made of thermoplastic rubber with high elastic shape memory, and it is initially mounted by being slightly compressed between its two supports, between the plates, so as to compensate for the initial loss of its plasticity.
- the movable plate is guided vertically relative to the fixed plate by means of a cylindrical pin which is arranged in the extension of the support of the elastic member, which lug slides in a vertical groove in the form of light arranged on the fixed plate, allowing simultaneously the vertical displacement and the tilting or pitching of said mobile plate.
- the movable plate is linked to the fixed plate by means of a T-shaped stud whose central body is none other than the cylindrical guide pin, extended by a wide head which is housed in the thickness of the fixed plate on the back of the latter and slides on the edges of the vertical guide groove of said cylindrical lug.
- the head of the tenon fits into a circle and comprises two horizontal parallel flats, perpendicular to the axis of the groove of the fixed plate. The two plates are secured to each other.
- the spacing of the two flats of the head of the tenon of the movable plate is slightly less than the width of the groove of the fixed plate to allow at first, the passage of said head through the light of said groove; the two plates are locked relative to each other in a second step by a quarter-turn movement of the two parts relative to each other, so as to arrange the head transversely relative to the groove.
- the two plates are linked to each other and can only separate in a particular position, when the head of the post is oriented like the groove of the fixed plate. They cannot be dismantled accidentally.
- the height of the light regulates the vertical clearance of the movable plate and the rest position of said plate is obtained by the upper flat of the head of the post which cooperates with the upper part of the vertical groove located on the back. of the fixed plate, which upper part is flat and horizontal.
- the elastic member comprises, at its lower part, a socket which connects the ends of the lateral arcs constituting the elastic member.
- This sleeve is threaded on a dowel serving as support; this dowel is disposed at the lower part of the fixed plate, housed in an orifice of the latter and it has a head embedded in a hollow arranged in the rear part of the fixed plate, which head is trapped in its housing, held in place by the internal face of the beam of the box spring frame, resting on this face.
- the head of the ankle is moreover locked in rotation in its recessed housing, and the ankle which forms the support of the elastic member, comprises at least one groove arranged according to a generator, which groove cooperates with a projecting rib inside the cylindrical sleeve of the elastic member, which rib allows the rotation of the latter to be locked relative to said support.
- the elastic member comprises at its upper part, an arrangement in the form of a half-moon which connects the upper ends of the arcs constituting the elastic member. This half-moon part is open upwards and cooperates with a support or seat which is located in the extension of the tenon arranged at the upper part of the support plate.
- the half-moon arranged at the upper part of the elastic member comprises, in its central central position, oriented upwards, a lug which fits into a cavity arranged in the seat.
- This lug makes it possible to improve the anchoring of the upper part of the elastic ring and to avoid its dislocation relative to its seat.
- the elastic member comprises at its upper part, lateral arms acting as a stiffener, extending laterally and tangentially with respect to the branches of the ring, bearing under the arch of the movable plate. These arms provide greater nervousness to the elastic member, in particular allowing a faster return of the movable plate in the rest position.
- the dowel serving as a support for the elastic member comprises, at its end situated on the side of the movable support plate, a protruding stud housed in a hollow or open cavity arranged on the lower part of said support plate; this cavity, in the shape of an inverted flared U, has flanges which act as a stop for said stud and delimit the amplitude of movement of said movable plate relative to the fixed plate, in particular the amplitude of pitching or tilting movement .
- the fixed plate is secured to the spar of the box spring frame by means of tenons which are located in the axis of the attachment fixing pins which are arranged on the movable plate.
- the tenons of the endpiece are arranged at the upper part of the movable plate so as to allow an overflow of said endpiece and of the slats above the level of said plate and possibly of the upper edge of the side member of the frame. bedspring.
- the invention also relates, in the field of slat support devices in general, an elastic member and its use, and in particular an elastic member made of thermoplastic material with high memory of rubber-like shape, the deformation of which is performs between the arcuate ends of said member.
- This type of elastic member has the advantage of being particularly silent in operation.
- this elastic member is preferably in the form of a circular or oval ring interposed between diametrically opposite supports located for one on the fixed plate and the other on the mobile plate.
- the ends of the deformable arcs of the ring are connected to one another at least on one side, by a stiffening structure which forms a sort of embedding of each of said ends which may consist of one side of the ring, in a socket, itself lockable on the fixed plate for example, and on the other side in a half-moon shaped part in the center of which is a lug which is housed in an orifice arranged on the support of the mobile stage.
- the ring comprises on the side of at least one of its supports, a sort of base consisting of arms which extend laterally from the ends of each of the arcs, perpendicular to the 'axis which passes through said supports, which arms act as stiffeners providing greater nervousness for returning to the rest position.
- FIG. 1 shows a sectional elevation of the device according to the invention, interposed between a spar of the frame of the bed base and a support piece of batten (s), in two versions;
- FIG. 2 shows, in perspective, the fixed plate seen from the back, that is to say side view which is normally supported on the beam of the box spring frame;
- FIG. 4 shows a perspective of the movable plate viewed from the front, that is to say seen from the side of the end piece mounted on said plate;
- FIG. 7 shows the pin serving in particular as a support for the elastic member
- FIG. 12 shows the movable plate and the elastic member seen from the back, that is to say seen from the side of the fixed plate, with a half-cut at the upper arch, on the right side of the figure .
- Figure 1 shows, in section, the elastic device acting as an interface between the spar or long-pan 1 of a box spring frame and the end piece 2 which supports one or more slats 3, as appropriate.
- the elastic device can be situated at different levels relative to the upper edge 4 of the beam 1.
- the level of the slats 3 and their position are chosen according to the type of bed base. These slats 3 can be positioned above the elastic device or against the latter.
- the elastic device is fixed to the spar 1 by means of pins 6 arranged on the back of a fixed plate 5.
- the elastic device comprises: - a plate 5 attached and fixed to the internal face of the spar 1 by means of one or more tenons 6 or by screw, and - a plate 7 which is movable vertically in particular, which plate 7 comprises at least one lug 9 which makes it possible to accommodate the end piece 2.
- the mobile plate 7 is guided and secured relative to the fixed plate 5 by means of a stud 10 detailed below in relation to the following figures.
- This movable plate is held in position by means of an elastic member 11 which is integral with said fixed plate 5 by means of a pin 12 detailed below, which is anchored to the lower part of said fixed plate and locked in rotation on the latter.
- this pin 12 comes in particular from the fact that its head is in contact with the internal face of the spar 1.
- the elastic member 11 cooperates with on a support 13 arranged in the extension of the tenon 10.
- the elastic device comprises a particularly reduced number of parts which is limited to the following elements: - the fixed plate 5 made of suitable plastic material;
- the movable support plate 7 also made of plastic material
- the elastic member 11 in the form of a ring made of an appropriate thermoplastic material, adapted to the desired resistance;
- the device forms a compact whole which acts as an interface between the frame 1 of the bed base and the end piece 2 which supports the slat (s) 3.
- the support plate 7 is movable vertically, by means of its tenon 10 guided in a groove 14 arranged in the form of a light in the central upper part of the fixed plate 5.
- This support plate 7 can also pivot around the axis 15 of the tenon 10.
- the movement of the support plate 7 is thwarted by the elastic member 11 which is interposed between the pin 12 and the support or seat 13 arranged on said plate 7, behind and in the extension of the tenon 10.
- the amplitude of the vertical movement of the support plate 7 is determined by the height of the light-shaped groove 14 and the amplitude of the tilting or pitching movement is determined by a cavity 17 arranged in the wall 19 of said support plate .
- This cavity 17 is in the form of an inverted U, hollowed out in the wall 19. This cavity can also be open, as shown below in FIG. 11.
- the pin 12 has at its end a stud 20 which extends in the cavity 17.
- the edges 21 of this cavity 17 define with the stud 20 the amplitude of the movement of the support plate 7, mainly the amplitude of the tilting movements and pitch around the axis 15 of the tenon 10.
- FIG. 2 represents, in perspective, the fixed plate 5 seen from the back, that is to say that it represents the face of this plate which is in contact with the internal side of the spar 1.
- This plate 6 is produced in molded plastic material. It has an external planar surface 26 which appears in FIG. 3; this surface serves as a guide surface for the elastic member 11.
- the back of the face 26 has lightening and material saving cavities, on the side of the spar 1.
- This plate can also be fixed by screws, not shown, placed at the level of the orifices 27.
- the groove 14 in the form of an elongated light centered on a vertical axis.
- This groove 14 is arranged in the form of a slide.
- a cavity 28 identified in FIG. 1, extends between the edge 29 of the groove 14 and the internal face of the spar 1 to house, as detailed below, the head of the tenon 10.
- the head 31 of this pin 12 is housed in a hollow 32 located on the back of the plate 5.
- the shape of this head 31 fits into a circle and has two flats 33 parallel to each other, one of which is at the same level as the lower edge of the plate 5.
- the hollow housing 32 has a shape identical to that of the head 31; its upper part has a surface 33 'which acts as a flat and this flat is in contact with the flat 33, so as to lock the pin 12 relative to the plate 5.
- This locking is also completed by means of grooves 34 arranged according to generators on the ankle 12; these grooves 34 cooperate with ribs 34 'projecting from the orifice 30.
- the pin 12 when it is in normal position on the plate 5, serves as a support and makes it possible to receive the elastic member 11 which is shown in perspective, Figure 6.
- This elastic member 11 is in the form of a circular or oval ring. It has two branches 35 in the form of an arc which extend laterally between a socket 36 arranged at the lower part of the ring and a part 37 in the form of a half-moon, arranged at the upper part.
- the sleeve 36 fits onto the ankle 12 and is locked in rotation on this ankle by means of two diametrically opposite ribs 39, which engage in the grooves 34 arranged on said ankle 12.
- the elastic member 11 is guided against the wall 26 of the fixed plate 5. It is sandwiched between this wall 26 of the fixed plate 5 and the internal face of the mobile support plate 7 shown in FIGS. 4 and 5.
- This support plate 7 has an outer wall 40 on which there are the pins 9 which allow the mounting of a nozzle 2.
- These pins 9 are for example arranged in alignment with the pins 6 but they can also be positioned differently depending on the nature from the nozzle 2, to the upper part of the support plate 7, for example, as shown below in FIG. 11.
- the upper part of the support plate 7 forms a sort of hollow arch 41 which acts as a spacer between the plates 5 and 7 and covers the elastic member 11, which is interposed between the external wall 26 of said fixed plate 5 and the internal face 42 of said support plate 7.
- the contour of the vault 41 corresponds to the upper contour of the plate 5 and it extends laterally between the plates, up to the level of the axes of the tenons 9, FIG. 4.
- the upper part of the arch 41 is flat and its edges are rounded ending in portions of vertical walls 43.
- the arch 41 On the side of the plate 5, the arch 41 has a wall 44 parallel to the outer surface 40 of the plate 7. This wall 44 forms a support and guide surface in contact with the wall 26 of the plate 5. The distance of this wall 44 relative to the internal face 42 corresponds to the thickness of the elastic member 11; it is even significantly higher.
- the head 45 of the tenon is shaped so as to be able to enter the lumen of the groove 14.
- the distance between the two flats 46 is substantially less than the width of the groove 14.
- the two plates 5 and 7 are positioned and assembled together. one relative to the other by means of the tenon 10 and in particular of this head 45 which is introduced into the lumen of the groove 14 and which after pivoting by a quarter of a turn, locks the two parts relative to one another to the other, said head 45 being trapped in the housing 28, which housing, FIG. 1, is shaped in the thickness of the plate 5 on its rear face.
- the tenon 10 extends under the arch 41 to form the support 13 which cooperates with the upper part of the elastic member 11 and in particular its part 37 in the form of a half-moon.
- This support 13 has a hollow 48 making it possible to accommodate a lug 49 which extends vertically in the center of the part 37, which lug 49 makes it possible to guide and hold the upper part of the elastic member 11 relative to the support plate 7.
- FIG. 5 there is the recess 17 arranged in the wall 19 of the plate 7.
- This recess is in the shape of a flared U and inverted to accommodate the stud 20 located at the end of the pin 12.
- the edges 21 of this recess 17 constitute a stop in cooperation with the stud 20, delimiting the amplitude of the tilting and pitching movement of the support plate 7 relative to the fixed plate 5.
- the thin thickness of the plate 5 allows, as appears figure
- Figures 8 to 11 show the different parts of another embodiment of the elastic device, from an exploded perspective.
- the dowel 12 shown in FIG. 8 comprises a stud 20 substantially longer than previously, cooperating with the flanges 21 of the U-shaped cutout formed in the wall 19 of the support plate 7 shown in FIG. 11.
- pins 9 are arranged at the upper part of the support plate 7 and no longer opposite the pins 6 of the fixed plate 5 shown in FIG. 9.
- the elastic member 11 shown in Figure 10 has at its upper part, arms 50 which extend laterally, tangentially to the branches 35 in the form of an arc of a circle. These arms 50 are in the extension of one another and constitute stiffeners. They are in support under the arch 41 of the support plate 7, and extend horizontally on either side of the arrangement 37 in the form of a half-moon. They allow in particular to return the movable plate 7 to its normal horizontal position more quickly.
- the upper part of the plate is shown in section on the right part of the figure.
- the seat 13 which cooperates with the part 37 in the form of a half-moon of the elastic member 11.
- the seat 13 is in fact made up of two parts arranged symmetrically with respect to the median plane 51 of the plate and of the elastic member.
- the two seat portions 13 are separated by the orifice 48 which makes it possible to accommodate the tenon 49 arranged in the center of the part 37 in the form of a half-moon. This tenon 49 is embedded in the orifice 48.
- the ends 52 of the part 37 in the shape of a half-moon, are slightly rounded and rest on a kind of seat 53 arranged under the arch 41 for a part and the other part corresponds to the lower edge of the wall 44.
- the arm 50 of the elastic member extends from the end 52, parallel to the arch 41 and its end 54, of rounded shape, rests on a partition 55 which extends under the arch 41.
- the arms 50 form with the half-moon-shaped part 37, a sort of base for the elastic member 11, which base is supported under the arch 41 of the movable plate 7.
- the elastic member 11 s spread over the entire surface 42 of the plate 7.
- the arcs 35 are deformed between the upper support 13 and the lower support which corresponds to the pin 12, which pin is integral with the fixed plate 5.
- the ends 56 and 57 of the arcs 35 behave as if they were embedded.
- the end 56 is integral with the part 37 in the shape of a half-moon and the corresponding arm 50.
- the end 37 is integral with the socket 36, which socket is immobilized in rotation on the pin 12, by means of the ribs 39.
- the elastic member 11 made of thermoplastic rubber with shape memory, offers a large clearance and a noise-free deformation which is an important advantage in this field of use.
- This elastic member 11 can be used between a fixed plate 5 and a mobile plate 7 as shown in the figures; the movable plate 7 receiving a batten tip by means of its pins 9.
- the elastic member can also be used and integrated in a batten tip, that is to say between a fixed plate 5 and a movable plate 7 which would be provided directly in place of the pins 7, with housings for receiving the end of the slats 3.
Landscapes
- Invalid Beds And Related Equipment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9700128A FR2758068B1 (en) | 1997-01-03 | 1997-01-03 | ELASTIC DEVICE PROVIDED AS AN INTERFACE BETWEEN A LAT TIP AND THE FRAME OF THE BED |
FR9700128 | 1997-01-03 | ||
PCT/FR1997/002442 WO1998029009A1 (en) | 1997-01-03 | 1997-12-29 | Elastic device acting as interface between a lath joining piece and a rest bar frame |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0973424A1 true EP0973424A1 (en) | 2000-01-26 |
EP0973424B1 EP0973424B1 (en) | 2002-01-02 |
Family
ID=9502452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97953965A Expired - Lifetime EP0973424B1 (en) | 1997-01-03 | 1997-12-29 | Elastic device acting as interface between a lath joining piece and a rest bar frame |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0973424B1 (en) |
AU (1) | AU5769098A (en) |
DE (1) | DE69709910T2 (en) |
ES (1) | ES2168688T3 (en) |
FR (1) | FR2758068B1 (en) |
WO (1) | WO1998029009A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2847785B1 (en) * | 2002-12-03 | 2006-07-28 | Tournadre Sa Standard Gum | LATTE SUSPENSION TOGET WITH STAPLE COVER |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH614852A5 (en) * | 1978-01-16 | 1979-12-28 | Matra Ag | Bedstead having transverse slats which are attached movably |
CH668891A5 (en) * | 1983-01-13 | 1989-02-15 | Matra Ag | SPRING BAR ARRANGEMENT FOR A BED FRAME. |
FR2549912B1 (en) | 1983-07-25 | 1985-10-25 | Dunlop Sa | ELASTIC HITCHING OF LATTES TO A BED |
DE8501583U1 (en) * | 1985-01-23 | 1985-05-30 | Rössle & Wanner GmbH, 7000 Stuttgart | FITTING PART FOR A SLATRATE |
DE9012776U1 (en) * | 1990-09-07 | 1991-03-14 | Hartmann, Siegbert, 4972 Löhne | Load-dependent lowerable bearing for the spring slats of a slatted frame on the bed frame |
DE59405573D1 (en) | 1993-11-23 | 1998-05-07 | Optimo Holz Und Drahtbearbeitu | Slatted frame |
DE9413776U1 (en) * | 1994-08-28 | 1995-01-26 | Rössle & Wanner GmbH, 72119 Ammerbuch | Fitting for a slatted frame |
-
1997
- 1997-01-03 FR FR9700128A patent/FR2758068B1/en not_active Expired - Fee Related
- 1997-12-29 AU AU57690/98A patent/AU5769098A/en not_active Abandoned
- 1997-12-29 EP EP97953965A patent/EP0973424B1/en not_active Expired - Lifetime
- 1997-12-29 DE DE69709910T patent/DE69709910T2/en not_active Expired - Fee Related
- 1997-12-29 ES ES97953965T patent/ES2168688T3/en not_active Expired - Lifetime
- 1997-12-29 WO PCT/FR1997/002442 patent/WO1998029009A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9829009A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2758068A1 (en) | 1998-07-10 |
ES2168688T3 (en) | 2002-06-16 |
DE69709910D1 (en) | 2002-02-28 |
WO1998029009A1 (en) | 1998-07-09 |
FR2758068B1 (en) | 1999-03-26 |
DE69709910T2 (en) | 2002-09-12 |
AU5769098A (en) | 1998-07-31 |
EP0973424B1 (en) | 2002-01-02 |
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