WO2005025929A1 - Vorrichtung zum feststellen eines ersten teils eines kfz-sitzes gegenüber einem zweiten teil - Google Patents
Vorrichtung zum feststellen eines ersten teils eines kfz-sitzes gegenüber einem zweiten teil Download PDFInfo
- Publication number
- WO2005025929A1 WO2005025929A1 PCT/DE2004/001971 DE2004001971W WO2005025929A1 WO 2005025929 A1 WO2005025929 A1 WO 2005025929A1 DE 2004001971 W DE2004001971 W DE 2004001971W WO 2005025929 A1 WO2005025929 A1 WO 2005025929A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clamping
- toothing
- tooth
- outer part
- inner part
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
- B60N2/2254—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms provided with braking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
- B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
Definitions
- the invention relates to a locking device with which a first part of a motor vehicle seat can be adjusted relative to a second part of this motor vehicle seat, for example the first part is a backrest and the second part is realized by a seating area of the vehicle seat.
- the aim is that when the device is locked, the device is free of play, that is to say the first part is fixed without play relative to the second part.
- a slight play in the backrest joint at the upper edge of the backrest can also be felt, because the backrest represents a relatively long lever arm.
- the invention begins. It has set itself the task of modifying and improving a device of the type mentioned at the outset in such a way that, in the state of being locked, the first part is fixed without play relative to the second part.
- a device for locking a first part of a motor vehicle seat which is adjustable relative to a second part, compared to this second part, in particular a device for locking a backrest relative to a seat area, with a) an outer part which is connected to the first part of the Seat is connected and which has a toothing, with b) an inner part which is connected to the second part and which has a toothing which engages in an engagement region with the toothing of the outer part, the outer part and the inner part jointly forming two clamping gaps, which each taper and are arranged in opposite directions, with c) two clamping parts, of which one clamping part is arranged in one of the two clamping gaps, with d) an elastic means which preloads the clamping parts in the associated clamping gap into a clamping position, whereby in Clamping position of the two clamping parts the teeth of the inn is pressed partly into the toothing of the outer part and the inner part is connected to the outer part without play, and with e) a release part
- This device has the great advantage that no storage of the first part relative to the second part is required. This eliminates any bearing play of such storage.
- the invention proposes to support the first part in three areas relative to the second part. Of these three areas, one area is the positive engagement of the two toothings. The other two areas Before are formed by the clamping areas. These make it possible to eliminate any game.
- the clamping parts are pressed into the clamping gap until there is no play. This means that in different positions of the two parts with respect to one another, the clamping parts can certainly have different relative positions.
- the released state of the device that is to say when the release part is actuated, a certain amount of play occurs between the two parts of the motor vehicle seat, which allows the adjustment and which can be kept structurally small. This game disappears as soon as the release part is released again. Then the elastic means brings the device back into the determined state. In this the clamping parts are in their clamping position.
- the support of the first part against the second part also takes place via a bearing shaft.
- the support path is smaller than that of the invention. It is typically about half the tooth diameter, while in the invention it is about the tooth diameter. The invention thus enables an improved use of the material or allows the construction to be smaller.
- the release part is moved from its neutral position into one actuated position, that is to say in one of the two directions of rotation, and is held in this, the associated clamping part is free from the clamping position and can be adjusted in relation to the second part in the released direction respectively.
- An adjustment in the other direction is not possible.
- the adjustment in the released direction is possible as long as the associated clamping part is not in the clamping position.
- the adjustment can be carried out quickly or slowly as desired.
- the release part is released and the fixing takes place by clamping.
- the toothing of the inner part has at least one tooth and the toothing of the outer part has at least one tooth bay or conversely the toothing of the inner part has at least one tooth bay and the toothing of the outer part has at least one tooth.
- the toothings preferably have more than one tooth or more than one tooth bay. If there is only one tooth, the intervention in the tooth cavity is always retained and the tooth swivels within this tooth cavity.
- the at least one tooth can have any shape, it can correspond to a conventional tooth shape, but can also be head-shaped, for example omega-shaped.
- a precise support of the tooth in its bay is achieved which is free of play and at least a pivoting movement of the tooth is possible relative to the bay.
- the support of the tooth in the bay is free of play due to the clamping effect of the two clamping areas.
- the engagement area and the two clamping parts are arranged on the corner points of a triangle, preferably an isosceles triangle.
- This triangle is called Support triangle called.
- the first part is only free of play compared to the second part when the device is in the locked state.
- the device is preferably constructed with mirror symmetry, the mirror plane running through the engagement area and on the middle between the two clamping parts. Then the support triangle is also an isosceles triangle.
- the toothing of the inner part and / or the toothing of the outer part extend over 360 °.
- the device can be designed for circumferential adjustment or only for adjustment within a certain swivel range.
- the teeth are advantageously each designed so that the desired adjustment angle is reached.
- no gearing is necessary, so it does not have to be trained.
- the clamping parts are preferably either circular, for example disks, or they are wedge-shaped, a blunted wedge shape being particularly suitable.
- rollers can be used as clamping parts, as are usually also used in rolling bearings.
- the two clamping parts of the device are preferably identical in construction.
- the clamping gaps are in the same plane as the teeth of the inner part and the teeth of the outer part.
- the support triangle lies in a plane that coincides with the main planes of the components used.
- the outer part has an opening in which the inner part is located.
- the toothing of the outer part is preferably an internal toothing and the toothing of the inner part is an external toothing.
- the teeth always remain in engagement.
- the device can thus be locked in any position.
- FIG. 3 a representation like FIG. 1, but for an exemplary embodiment with a limited pivoting angle
- FIG. 4 a representation like FIG. 1 of a third exemplary embodiment, in which the clamping gaps are in a different plane than the toothings,
- FIG. 5 a representation like FIG. 1 of a fourth exemplary embodiment, which is circumferential and has a relatively large difference in the tooth circle diameters of the gears, and
- FIG. 6 shows a sectional view along the section line VI-VI in FIG. 5.
- FIGS. 1 and 2 The first exemplary embodiment according to FIGS. 1 and 2 is described below, and then the further exemplary embodiments are described in particular to the extent that they differ from the first exemplary embodiment.
- an outer part 20 is shown, which is fixedly connected to a first part 22, here, for example, a backrest support.
- This outer part has a toothing 24, which is an internal toothing.
- An inner part 26 is also shown, which is connected to a second part 28 (see FIG. 2), for example a seat support of a vehicle seat.
- This inner part 26 has a toothing 30 which is an external toothing.
- Both gears 24, 26 are circumferential, so they each extend over 360 °.
- the internal toothing 24 takes up the toothing area of the inner part 26.
- the diameter of the external toothing 30 is approximately 80% of the diameter of the internal toothing 24.
- the toothing 24, 30 form gear wheels which are eccentric to one another.
- the eccentric dimension e is represented by the double arrow 32 in FIG.
- the center points of the toothings 24, 30 are located at the arrowheads.
- the toothings 24, 30 are engaged in an engagement region 34.
- An elastic means 36 in particular a spring, is located diametrically opposite. It is located at the point where the distance between the two toothings 24, 30 is greatest.
- Clamping gaps 38, 40 are formed on both sides of the elastic means 36, in them the distances between the tooth tips of the toothings taper on the way to the engagement area 34.
- the taper is in opposite directions, for the left clamping gap 38 in FIG. 1 the taper is clockwise, for the right clamping gap 40 it is counterclockwise.
- clamping parts On both sides of the elastic means 36 and acted upon by this there are clamping parts, namely a left clamping part 42 in the left clamping gap 38 and a right clamping part 44 in the right clamping gap 40.
- the clamping parts 42, 44 are structurally identical, but arranged in mirror image. The mirror plane runs through the center points of the two toothings 24, 30, is therefore predetermined by the double arrow 32 and extends at right angles to the plane of the illustration in FIG. 1.
- the clamping parts 42, 44 are sickle-shaped, truncated wedges, each at the tooth tips of the toothings issue. In the state shown in FIG. 1, the device is in the clamping position, the clamping parts 42, 42 lie firmly against the tooth tips. As a result, the outer part 20 is firmly connected to the inner part 26.
- the elastic means 36 presses the clamping parts 42, 44 each so far into the clamping gaps 38, 40 that the engagement area 34 is free of play.
- a release part 46 is provided. It interacts with projections 48, which each protrude from each clamping part 42, 44 into the plane in which the release part 46 is located.
- the release part 46 has drivers 50 which can strike the projections 48 from the outside. Normally, in the locked position, the dogs 50 are spaced from the projections 48.
- the release part 46 is connected to an axis 52, by rotating this axis 52, the release part 46 is pivoted. In the counterclockwise direction of rotation, the left driver 50 strikes the release part 46 against the projection 48 of the left clamping part 42 and pulls it into a free position, that is, out of the clamping position.
- the outer part 20 can now be rotated relative to the inner part 26. This is preferably done by an external force, e.g. by a separate drive or by a passenger.
- the two parts 20, 26 are components which are preferably made from flat material and are embossed.
- the toothings 24, 30 are made from an offset in the starting flat material.
- the clamping parts 42, 44 are located between the two parts 20, 26.
- FIG. 2 shows some components that are not shown in FIG. 1. It is the already mentioned first part 22, the already mentioned second part 28, a handle 54 and a cover 56. The axis 52 and thus the release part 46 are actuated with the handle. The cover 56 closes the inner part 26 towards the handle 54 and also brings about a certain positioning of the inner part 26 with respect to the axis 52. This positioning is not decisive, however, the position of the inner part 26 with respect to the outer part 20 is determined solely by the interaction of the engagement region 34 achieved with the two clamping areas.
- the left clamping area is formed by the left clamping gap 38 and the left clamping part 42, corresponding to the right clamping area with the right clamping gap 40 and the right clamping part 44.
- first part 20 not only performs a pivoting movement with respect to second part 28, but also a movement in the radial plane of axis 52.
- This superimposed movement can be used cheaply.
- the center of the inner part can run so high that, when the backrest is tilted forward, the condition is approximately as shown in FIG. 1.
- the fastening holes of the outer part 20 and inner part 26 are at the greatest possible distance from one another or the double arrow 32 is vertical. Based on this, if the backrest is in the use position niert, the center of the inner part 26 moves down and back. The double arrow 32 then runs approximately horizontally.
- this locking device is not circumferential, but rather enables a pivoting movement over a predetermined angular range.
- the toothing is also only formed over an angular range, for example approximately 0 °.
- the rest is smooth.
- the clamping gaps 38, 40 were formed by flattened tooth tips of the toothings 24, 30, in the second exemplary embodiment the clamping gaps 38, 40 are delimited by smooth surfaces running on a cylinder jacket.
- the clamping parts 42, 44 are now rollers or circular disks. This reduces the friction of the device.
- the clamping parts 42, 44 are in turn pressed into their clamping position by a common spring.
- the release part 46 has two drivers 50 which can act on the clamping parts 42, 44 from the outside. In the fixed position shown, they have an air gap from the clamp members 42, 44.
- the third exemplary embodiment according to FIG. 4 is now explained below. While in the first and in the second exemplary embodiment the clamping gaps 38, 40 lie in the same plane as the toothings 24, 30, this is no longer the case in the third exemplary embodiment.
- the toothings 24, 30 are located in a plane that is offset by approximately one tooth thickness from the lower lying plane in which the clamping gaps 38, 40 are located. In contrast to the first exemplary embodiment, this results in the possibility of realizing the clamping gaps 38, 40 by means of smooth surfaces.
- the fourth embodiment according to FIGS. 5 and 6 shows a relative large diameter difference between the two toothings 24, 30.
- the external toothing 30 now has an external diameter which is approximately 40% of the diameter of the internal toothing 24. It is smaller than half the inside diameter of the internal toothing 24.
- the axis 52 is located outside the external toothing 30.
- the external toothing 30 is located between the axis 52 and the internal toothing 24.
- the plane is in which the teeth 24, 30 lie, offset from the plane in which the clamping parts 42, 44 are located. The offset is approximately the tooth thickness visible in FIG. 6 or the material thickness of the flat material used.
- the diameters of the arches that delimit the clamping gaps 38, 40 can be selected independently of the diameter of the teeth. However, the following should be adhered to:
- the distance between the two clamping points of a clamping part from the walls of the clamping gap plus the diameter on which the internal limitation of the clamping gap lies should correspond approximately to the diameter of the internal toothing 24, in any case not deviate significantly therefrom. Deviations in the range plus / minus 30%, in particular 20%, seem possible.
- the distance between the two clamping points of a clamping part and the walls of the clamping gap can be seen from FIG. 5, there for the left clamping part, by a dash-dotted line connecting two marked clamping points. In FIG. 5, the inner boundary of the clamping gaps lies on a circle that is somewhat smaller than the diameter of the outer toothing 30.
- a support triangle 58 is shown in dashed lines. In the specific exemplary embodiment, it is an isosceles triangle, specifically even an equilateral triangle.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/571,229 US20070024099A1 (en) | 2003-09-06 | 2004-09-03 | Device for fixing a first part of a motor vehicle seat relative to a second part |
EP04762756A EP1663701A1 (de) | 2003-09-06 | 2004-09-03 | Vorrichtung zum feststellen eines ersten teils eines kfz-sitzes gegenüber einem zweiten teil |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10341498.3 | 2003-09-06 | ||
DE10341498A DE10341498A1 (de) | 2003-09-06 | 2003-09-06 | Vorrichtung zum Feststellen eines ersten Teils eines Kraftfahrzeugsitzes gegenüber einem zweiten Teil |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005025929A1 true WO2005025929A1 (de) | 2005-03-24 |
Family
ID=34305623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/001971 WO2005025929A1 (de) | 2003-09-06 | 2004-09-03 | Vorrichtung zum feststellen eines ersten teils eines kfz-sitzes gegenüber einem zweiten teil |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070024099A1 (de) |
EP (1) | EP1663701A1 (de) |
CN (1) | CN1845834A (de) |
DE (1) | DE10341498A1 (de) |
WO (1) | WO2005025929A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012097793A1 (de) * | 2011-01-21 | 2012-07-26 | Faurecia Autositze Gmbh & Co. Kg | Neigungsverstellbeschlag für eine rückenlehne eines kraftfahrzeugsitzes |
EP2514631A3 (de) * | 2011-04-22 | 2018-01-24 | Aisin Seiki Kabushiki Kaisha | Sitzneigungsverstellungsvorrichtung |
WO2021083781A1 (de) * | 2019-10-29 | 2021-05-06 | Fisher Dynamics Germany Gmbh | Taumelgetriebe für verstellvorrichtungen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101400281B (zh) * | 2006-03-10 | 2010-12-22 | Ntn株式会社 | 座席的斜靠装置 |
DE112009000118B4 (de) | 2008-01-17 | 2014-12-18 | Fisher Dynamics Corp. | Verstellmechanismus und Sitzbaugruppe |
US9296315B2 (en) | 2013-02-26 | 2016-03-29 | Fisher & Company, Incorporated | Recliner mechanism with backdriving feature |
US9902297B2 (en) | 2014-06-11 | 2018-02-27 | Fisher & Company, Incorporated | Latch mechanism with locking feature |
JP6682300B2 (ja) * | 2016-03-04 | 2020-04-15 | シロキ工業株式会社 | シートリクライニング装置 |
CN113895322B (zh) * | 2021-09-25 | 2023-02-14 | 浙江龙生汽车部件科技有限公司 | 汽车座椅用手动电动集成转盘及其转动方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1680261A1 (de) * | 1967-09-15 | 1971-07-08 | Keiper Recaro Gmbh Co | Vorrichtung zum Feststellen relativ zueinander bewegbarer Teile in waehlbarer Lage,insbesondere zum Feststellen der Lehne eines Kraftfahrzeugsitzes |
DE19740850A1 (de) * | 1997-09-17 | 1999-03-18 | Faure Bertrand Sitztech Gmbh | Verstellbeschlag zur Neigungsverstellung der Rückenlehne eines Kraftfahrzeugsitzes |
WO2001012461A1 (de) * | 1999-08-14 | 2001-02-22 | Keiper Gmbh & Co. | Verstellbeschlag für sitze mit neigungseinstellbarer lehne, insbesondere für kraftfahrzeugsitze |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES415310A1 (es) * | 1972-06-07 | 1976-02-01 | Keiper | Herraje articulado para asientos de respaldo movil, espe- cialmente para asientos de vehiculos automoviles. |
DE3013304C2 (de) * | 1980-04-05 | 1983-05-11 | Keiper Automobiltechnik Gmbh & Co Kg, 5630 Remscheid | Stellvorrichtung für Sitze und Fenster, insbesondere von Kraftfahrzeugen |
US5277672A (en) * | 1989-06-30 | 1994-01-11 | Ets. Cousin Freres | Clearance take up device for so-called continuous epicycloidal train articulations, and its mounting mode |
FR2784426B1 (fr) * | 1998-10-13 | 2000-12-15 | Marc Lefevere | Structure pour un dispositif automatique de guidage indexe d'une piece mobile |
DE10033666C2 (de) * | 2000-07-11 | 2003-02-20 | Faurecia Autositze Gmbh & Co | Verstellbeschlag für einen Kraftfahrzeugsitz,insb.Neigungsverstellbeschlag für dessen Rückenlehne |
-
2003
- 2003-09-06 DE DE10341498A patent/DE10341498A1/de not_active Withdrawn
-
2004
- 2004-09-03 EP EP04762756A patent/EP1663701A1/de not_active Withdrawn
- 2004-09-03 CN CNA2004800255490A patent/CN1845834A/zh active Pending
- 2004-09-03 WO PCT/DE2004/001971 patent/WO2005025929A1/de not_active Application Discontinuation
- 2004-09-03 US US10/571,229 patent/US20070024099A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1680261A1 (de) * | 1967-09-15 | 1971-07-08 | Keiper Recaro Gmbh Co | Vorrichtung zum Feststellen relativ zueinander bewegbarer Teile in waehlbarer Lage,insbesondere zum Feststellen der Lehne eines Kraftfahrzeugsitzes |
DE19740850A1 (de) * | 1997-09-17 | 1999-03-18 | Faure Bertrand Sitztech Gmbh | Verstellbeschlag zur Neigungsverstellung der Rückenlehne eines Kraftfahrzeugsitzes |
WO2001012461A1 (de) * | 1999-08-14 | 2001-02-22 | Keiper Gmbh & Co. | Verstellbeschlag für sitze mit neigungseinstellbarer lehne, insbesondere für kraftfahrzeugsitze |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012097793A1 (de) * | 2011-01-21 | 2012-07-26 | Faurecia Autositze Gmbh & Co. Kg | Neigungsverstellbeschlag für eine rückenlehne eines kraftfahrzeugsitzes |
EP2514631A3 (de) * | 2011-04-22 | 2018-01-24 | Aisin Seiki Kabushiki Kaisha | Sitzneigungsverstellungsvorrichtung |
WO2021083781A1 (de) * | 2019-10-29 | 2021-05-06 | Fisher Dynamics Germany Gmbh | Taumelgetriebe für verstellvorrichtungen |
US11906019B2 (en) | 2019-10-29 | 2024-02-20 | Fisher Dynamics Germany Gmbh | Swash-plate-type gearing for adjustment devices |
Also Published As
Publication number | Publication date |
---|---|
DE10341498A1 (de) | 2005-04-14 |
US20070024099A1 (en) | 2007-02-01 |
CN1845834A (zh) | 2006-10-11 |
EP1663701A1 (de) | 2006-06-07 |
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