CA2552472A1 - Adjustable sofa or bed - Google Patents
Adjustable sofa or bed Download PDFInfo
- Publication number
- CA2552472A1 CA2552472A1 CA002552472A CA2552472A CA2552472A1 CA 2552472 A1 CA2552472 A1 CA 2552472A1 CA 002552472 A CA002552472 A CA 002552472A CA 2552472 A CA2552472 A CA 2552472A CA 2552472 A1 CA2552472 A1 CA 2552472A1
- Authority
- CA
- Canada
- Prior art keywords
- recliner
- bed
- adjusting
- parts
- adjusting device
- 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.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head-, foot- or like rests for beds, sofas or the like
- A47C20/04—Head-, foot- or like rests for beds, sofas or the like with adjustable inclination
- A47C20/041—Head-, foot- or like rests for beds, sofas or the like with adjustable inclination by electric motors
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Invalid Beds And Related Equipment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Special Chairs (AREA)
- Vibration Prevention Devices (AREA)
- Paper (AREA)
Abstract
The aim of the invention is to prevent users of sofas or beds comprising pivotable parts and a motor-actuated adjusting drive unit from getting injured due to an improper adjustment. Said aim is achieved by the fact that the adjusting device is disposed in a compact manner underneath the sofa or bed while the distance remains unchanged when the sofa or bed is adjusted such that the contour of the adjusting device is essentially the same as that of the support area of the sofa or bed following an adjustment.
Description
Adjustable recliner or bed This invention relates to an adjustable recliner or bed. Only the term "recliner" is used below, although the concepts of a couch and a bed are also covered by the invention.
Recliners of this type have been known for an extremely long time. To adjust the recliners, the recliners are preferably divided into a plurality of segments that are connected to one another so that they can pivot. The parts are pivoted with respect to one another and/or with respect to the base frame. The adjustment also includes at least one locking device to immobilize the movable parts in the current pivoted position.
The prior art also describes recliners that are simultaneously provided with a motorized adjustment in various parts. The motorized adjustment makes possible an adjustment while the occupant is sitting or lying on the recliner into any desired position. In the absence of a motorized adjustment, most people are forced to make several attempts to approximate the optimal position.
During these adjustments they are required to stand up repeatedly, make an adjustment and then re-assume the seated or reclining position.
A motorized adjustment capability makes this repeated standing up and sitting down unnecessary. The comfort and convenience of a motorized adjustment are considered significant.
The motorized adjustment also poses a risk of injury. This risk is present in particular when the large and bulky adjusting device is located underneath the recliner.
The users can get their hands and feet caught in the adjusting device.
The object of the invention is to eliminate the risk of injury. The invention teaches that the adjusting device has a small volume and is located under the recliner, and that even when there is a significant change in the position of the recliner, the adjusting device assumes approximately the contour of the seating surface of the recliner. The invention teaches the use of adjusting motors that are located at a short distance from each other in a line underneath the recliner A separate adjusting motor is preferably provided for each pivoting part.
Recliners of this type have been known for an extremely long time. To adjust the recliners, the recliners are preferably divided into a plurality of segments that are connected to one another so that they can pivot. The parts are pivoted with respect to one another and/or with respect to the base frame. The adjustment also includes at least one locking device to immobilize the movable parts in the current pivoted position.
The prior art also describes recliners that are simultaneously provided with a motorized adjustment in various parts. The motorized adjustment makes possible an adjustment while the occupant is sitting or lying on the recliner into any desired position. In the absence of a motorized adjustment, most people are forced to make several attempts to approximate the optimal position.
During these adjustments they are required to stand up repeatedly, make an adjustment and then re-assume the seated or reclining position.
A motorized adjustment capability makes this repeated standing up and sitting down unnecessary. The comfort and convenience of a motorized adjustment are considered significant.
The motorized adjustment also poses a risk of injury. This risk is present in particular when the large and bulky adjusting device is located underneath the recliner.
The users can get their hands and feet caught in the adjusting device.
The object of the invention is to eliminate the risk of injury. The invention teaches that the adjusting device has a small volume and is located under the recliner, and that even when there is a significant change in the position of the recliner, the adjusting device assumes approximately the contour of the seating surface of the recliner. The invention teaches the use of adjusting motors that are located at a short distance from each other in a line underneath the recliner A separate adjusting motor is preferably provided for each pivoting part.
2 N H L-KK-52 The adjusting motors provided are preferably provided with an automatic interlock and/or with a stop. The automatic interlock can be created, for example, by using a transmission with a spindle or a threaded rod. A nut can thereby sit on the spindle or threaded rod, for example. The spindle or the threaded rod and/or the nut can be rotationally mounted. A gear wheel can also interact with the spindle. If a gear wheel is used, at least the spindle or the threaded rod is provided with a drive motor.
The automatic interlocking action of the spindle or threaded rod is greater, the smaller the pitch of the spindle or the pitch of the thread on the threaded rod.
Instead of or in addition to the automatic interlocking device, a mechanical and/or electronic or electrical locking device can also be provided. Preferably a motorized locking device is provided.
Optionally, the spindle or the threaded rod and/or the nut are provided with a drive motor. The drive motors can simultaneously have a locking device. Stepper motors are advantageous. Stepper motors with locking devices in the current step position are commercially available.
It is also advantageous to locate the adjusting devices under the center of the recliner or bed.
One exemplary embodiment of the invention is illustrated in the accompanying drawings.
Figures 1 to 4 show a recliner with a seat part 1, a leg part 4, a foot part 5, a torso part 2 and a head part 3. The different parts are connected to one another in an articulated manner. In the exemplary embodiment, the articulations are conventional hinges with moving parts that are engaged with one another and are connected to one another by hinge bolts. In other exemplary embodiments, flexible parts made of plastic or spring steel sheet can be used as hinges.
The seat part 1 is simultaneously rigidly connected with a fixed base frame.
The fixed base frame has rounded feet 6 made of aluminum profiles. To reduce the weight, a perforated profile is used. In the exemplary embodiment, two profiles located at some distance from each other are provided with a curved shape. The curve has its maximum curvature in the area in which it comes into contact with the seat part 1.
Toward the ends of the recliner, the curvatures decreases, until the profiles come into contact with the base frame. The profiles are also tapered toward the ends.
The automatic interlocking action of the spindle or threaded rod is greater, the smaller the pitch of the spindle or the pitch of the thread on the threaded rod.
Instead of or in addition to the automatic interlocking device, a mechanical and/or electronic or electrical locking device can also be provided. Preferably a motorized locking device is provided.
Optionally, the spindle or the threaded rod and/or the nut are provided with a drive motor. The drive motors can simultaneously have a locking device. Stepper motors are advantageous. Stepper motors with locking devices in the current step position are commercially available.
It is also advantageous to locate the adjusting devices under the center of the recliner or bed.
One exemplary embodiment of the invention is illustrated in the accompanying drawings.
Figures 1 to 4 show a recliner with a seat part 1, a leg part 4, a foot part 5, a torso part 2 and a head part 3. The different parts are connected to one another in an articulated manner. In the exemplary embodiment, the articulations are conventional hinges with moving parts that are engaged with one another and are connected to one another by hinge bolts. In other exemplary embodiments, flexible parts made of plastic or spring steel sheet can be used as hinges.
The seat part 1 is simultaneously rigidly connected with a fixed base frame.
The fixed base frame has rounded feet 6 made of aluminum profiles. To reduce the weight, a perforated profile is used. In the exemplary embodiment, two profiles located at some distance from each other are provided with a curved shape. The curve has its maximum curvature in the area in which it comes into contact with the seat part 1.
Toward the ends of the recliner, the curvatures decreases, until the profiles come into contact with the base frame. The profiles are also tapered toward the ends.
3 N H L-KK-52 Parts 10 and 11 are also provided on the parts 1, 2 and 3. These parts form reinforcement and bearing brackets for the articulated attachment of electric elevating motors 9.
On the foot part 5 and the head part 3, bearing brackets are also provided, although they are not shown in the exemplary embodiment.
The elevating motors have a spindle 12 which is extended out of the housing by rotation and can be retracted again.
The spindles 12 are connected in an articulated manner on the head with the facing part which forms a bearing bracket. On the other end of the elevating motors 8 and 9, an articulated connection with the parts 10 and 11 is provided.
All the elevating motors are electrical stepper motors that can be locked in the current step position.
The elevating motors are provided with a pivoting limitation. In the illustrated exemplary embodiment, the pivoting is limited by means of a computer, whereby the step position is measured and the pivoted position is determined from the current step position.
This measurement can be made empirically or on the basis of the geometry of the parts that participate in the pivoting movement. For the empirical determination, the pivot position that corresponds to each step position is measured. By a comparison of the data that correspond to each pivot position, it is possible to prevent the further extension of a elevating motor or the further retraction of a elevating motor and an excessive closeness of the moving parts or an excessive distance between the moving parts. In the exemplary embodiment, the computer acts on the control system that controls the elevating motors, so that the elevating motors can be moved only in the safe direction, i.e. retracted or extended in a direction that reduces any potential hazard.
In the exemplary embodiment, the elevating motors are designed so that in every position of the parts 1 to 5, an adjustment is possible in response to a spot load at the farther end of the parts. Therefore even extremely overweight people can sit or lie on any desired point of the recliner and still make a motorized adjustment of the recliner.
In an additional exemplary embodiment, the chair is designed to support a load of 200 kg, and in additional exemplary embodiments, the recliner is designed to support a load of only 100 kg.
Regardless of the question of the adjustment force, the parts 1 to 5 and the adjustment mechanism are designed so that they will withstand the load applied. This concept also
On the foot part 5 and the head part 3, bearing brackets are also provided, although they are not shown in the exemplary embodiment.
The elevating motors have a spindle 12 which is extended out of the housing by rotation and can be retracted again.
The spindles 12 are connected in an articulated manner on the head with the facing part which forms a bearing bracket. On the other end of the elevating motors 8 and 9, an articulated connection with the parts 10 and 11 is provided.
All the elevating motors are electrical stepper motors that can be locked in the current step position.
The elevating motors are provided with a pivoting limitation. In the illustrated exemplary embodiment, the pivoting is limited by means of a computer, whereby the step position is measured and the pivoted position is determined from the current step position.
This measurement can be made empirically or on the basis of the geometry of the parts that participate in the pivoting movement. For the empirical determination, the pivot position that corresponds to each step position is measured. By a comparison of the data that correspond to each pivot position, it is possible to prevent the further extension of a elevating motor or the further retraction of a elevating motor and an excessive closeness of the moving parts or an excessive distance between the moving parts. In the exemplary embodiment, the computer acts on the control system that controls the elevating motors, so that the elevating motors can be moved only in the safe direction, i.e. retracted or extended in a direction that reduces any potential hazard.
In the exemplary embodiment, the elevating motors are designed so that in every position of the parts 1 to 5, an adjustment is possible in response to a spot load at the farther end of the parts. Therefore even extremely overweight people can sit or lie on any desired point of the recliner and still make a motorized adjustment of the recliner.
In an additional exemplary embodiment, the chair is designed to support a load of 200 kg, and in additional exemplary embodiments, the recliner is designed to support a load of only 100 kg.
Regardless of the question of the adjustment force, the parts 1 to 5 and the adjustment mechanism are designed so that they will withstand the load applied. This concept also
4 N H L-KK-52 includes the design of the base frame, with regard to both strength and stability.
The elevating motors 8 and 9 are located at a short distance from the parts 1 to 5, so that the elevating motors, when viewed from the side of the recliner, lie essentially in a line one behind the other, whereby the line in Figure 4 runs approximately parallel to the contour of the seating surface of the recliner, and in the recliner positions illustrated in Figures 1 to 3, the line follows the contour of the recliner seating surface, i.e. it has essentially the same contour.
The term "essentially the same" includes variations of the longitudinal axis of the elevating motor up to 20 degrees from the position parallel to the closest part of the reclining chair or to the seating surface of the closest part of the reclining chair.
In the exemplary embodiment, the distance between the elevating motors 8 and 9 is 15 cm, while in other exemplary embodiments it can be up to 20 cm or 30 cm.
The construction described above provides advantageous clearance between the adjustment mechanism and the floor and reduces the risk of injury. The invention thereby prevents the user's feet from becoming jammed in the adjustment mechanism.
In the illustrated exemplary embodiment, the adjustment mechanism is also located centrally underneath the recliner, so that the adjustment mechanism is out of reach of the user's hands, and thereby prevents injuries to the user's hands.
In the illustrated exemplary embodiment, a mattress-shaped cushion (not shown) sits on the parts 1 to 5, and the cushion and the mechanism of the recliner (Parts 1 to 5 and their adjustment) are covered by cushion upholstery (not shown). This feature also contributes to the safety of the recliner.
In other exemplary embodiments, the cushion encloses the parts 1 to 5 and their adjustment mechanisms.
When an adjustment is made, in the exemplary embodiment any further pivoting movement of the parts 2 and 4 is blocked when the parts enclose a pivot angle of less than 70 degrees between them. The position is illustrated in Figures 1 and 2.
In other exemplary embodiments, the limit angle selected is a smaller or larger enclosed angle.
The limit can be changed by changing the computer data.
In Figures 1 and 2, the foot part 5 is horizontal.
The computer and the control system, in the manner described above, also prevent the foot part 5 from coming into contact with the floor or ground. In other exemplary embodiments, a certain clearance is provided between the end of the foot part
The elevating motors 8 and 9 are located at a short distance from the parts 1 to 5, so that the elevating motors, when viewed from the side of the recliner, lie essentially in a line one behind the other, whereby the line in Figure 4 runs approximately parallel to the contour of the seating surface of the recliner, and in the recliner positions illustrated in Figures 1 to 3, the line follows the contour of the recliner seating surface, i.e. it has essentially the same contour.
The term "essentially the same" includes variations of the longitudinal axis of the elevating motor up to 20 degrees from the position parallel to the closest part of the reclining chair or to the seating surface of the closest part of the reclining chair.
In the exemplary embodiment, the distance between the elevating motors 8 and 9 is 15 cm, while in other exemplary embodiments it can be up to 20 cm or 30 cm.
The construction described above provides advantageous clearance between the adjustment mechanism and the floor and reduces the risk of injury. The invention thereby prevents the user's feet from becoming jammed in the adjustment mechanism.
In the illustrated exemplary embodiment, the adjustment mechanism is also located centrally underneath the recliner, so that the adjustment mechanism is out of reach of the user's hands, and thereby prevents injuries to the user's hands.
In the illustrated exemplary embodiment, a mattress-shaped cushion (not shown) sits on the parts 1 to 5, and the cushion and the mechanism of the recliner (Parts 1 to 5 and their adjustment) are covered by cushion upholstery (not shown). This feature also contributes to the safety of the recliner.
In other exemplary embodiments, the cushion encloses the parts 1 to 5 and their adjustment mechanisms.
When an adjustment is made, in the exemplary embodiment any further pivoting movement of the parts 2 and 4 is blocked when the parts enclose a pivot angle of less than 70 degrees between them. The position is illustrated in Figures 1 and 2.
In other exemplary embodiments, the limit angle selected is a smaller or larger enclosed angle.
The limit can be changed by changing the computer data.
In Figures 1 and 2, the foot part 5 is horizontal.
The computer and the control system, in the manner described above, also prevent the foot part 5 from coming into contact with the floor or ground. In other exemplary embodiments, a certain clearance is provided between the end of the foot part
5 and the floor or ground, so that if a foot or feet are inadvertently placed underneath the foot part 5, they are not injured.
Figure 3 shows a recliner position in which both parts 4 and 5 are horizontal.
Figure 4 shows a recliner position in which all the parts 1 to 5 are horizontal.
Figure 3 shows a recliner position in which both parts 4 and 5 are horizontal.
Figure 4 shows a recliner position in which all the parts 1 to 5 are horizontal.
Claims (11)
1. Adjustable recliner or bed with pivoting parts and adjusting devices, in particular with adjusting motors, and with parts that support the user's torso and legs that can be pivoted in relation to one another, and/or with parts that support the user's legs and feet and can be pivoted toward the ground or floor, characterized in that the adjusting device has a small volume and is located under the recliner or the bed and that the distance to the seating surface of the recliner or bed remains essentially unchanged during the movement of the pivoting parts.
2. Recliner or bed as claimed in Claim 1, characterized by various adjusting motors that are arranged in a line one behind the other underneath the recliner, and in that the line at least approximately follows the contour of the recliner or bed as it is adjusted.
3. Recliner or bed as claimed in Claims 1 or 2, characterized by an average distance of the adjusting motors from the recliner seating surface of up to 30 cm, preferably up to 20 and particularly preferably up to 15 cm.
4. Recliner or bed as claimed in one of the Claims 1 to 3, characterized in that the longitudinal axis of an adjusting motor varies from the seating surface of the nearest pivoting part by a maximum of 20 degrees.
5. Recliner or bed as claimed in one of the Claims 1 to 4, characterized in that the adjusting device is located centrally under the recliner.
6. Recliner or bed as claimed in one of the Claims 1 to 5, characterized in that adjusting motors are used that can be extended and retracted by means of rotationally mounted and driven spindles and threaded rods.
7. Recliner or bed as claimed in one of the Claims 1 to 6, characterized in that an upholstery covering and/or a cushion are provided the enclose the adjusting device.
8. Recliner or bed as claimed in Claim 9, characterized by a base frame made of aluminum profile that is made of aluminum profiles, in particular perforated profiles.
9. Recliner or bed as claimed in Claim 8, characterized in that the aluminum profile is curved, whereby the profile is connected in the vicinity of its maximum curvature with a seat part, and the ends of the aluminum profile emerge toward the ground.
10. Recliner or bed as claimed in Claim 9, characterized in that the profile is tapered toward the ends.
11. Recliner or bed as claimed in one of the Claims 8 to 10, characterized by two profiles that enclose the adjusting device between them.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10261644A DE10261644A1 (en) | 2002-12-27 | 2002-12-27 | Adjustable couch or bed |
| DE10261644.2 | 2002-12-27 | ||
| PCT/EP2003/012287 WO2004058011A1 (en) | 2002-12-27 | 2003-11-04 | Adjustable sofa or bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2552472A1 true CA2552472A1 (en) | 2004-07-15 |
Family
ID=32519499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002552472A Abandoned CA2552472A1 (en) | 2002-12-27 | 2003-11-04 | Adjustable sofa or bed |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1613196B1 (en) |
| JP (1) | JP2006512119A (en) |
| CN (1) | CN1738562A (en) |
| AT (1) | ATE341973T1 (en) |
| AU (1) | AU2003303358A1 (en) |
| CA (1) | CA2552472A1 (en) |
| DE (2) | DE10261644A1 (en) |
| DK (1) | DK1613196T3 (en) |
| ES (1) | ES2277156T3 (en) |
| PT (1) | PT1613196E (en) |
| WO (1) | WO2004058011A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK177821B1 (en) * | 2007-01-10 | 2014-08-18 | Quilts Of Denmark As | Adjustable bed without outer frame |
| TWI578936B (en) * | 2012-10-02 | 2017-04-21 | 雅詩立傢俱工業公司 | Power mechanism for reclining chairs |
| DE202016001835U1 (en) | 2016-03-19 | 2016-04-01 | Hilbert, Henk ter Horst | Substructure for an adjustable bed or an adjustable bed |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4258445A (en) * | 1976-07-15 | 1981-03-31 | Zur Henry C | Beds and adjustable body supporting assemblies |
| US4407030A (en) * | 1981-02-09 | 1983-10-04 | Maxwell Products, Inc. | Safety device for an adjustable bed |
| DE4305939A1 (en) * | 1993-02-11 | 1994-08-18 | Thomas Karl Moebel | Furniture on which to sit or lie, in particular bed with frame, and method for its manufacture |
| JPH119389A (en) * | 1997-06-20 | 1999-01-19 | Nifco Inc | Bed |
| DE19903112A1 (en) * | 1999-01-27 | 2000-02-10 | Roessle & Wanner Gmbh | Couch or bed; has swiveling head and foot regions |
| DE19908084C1 (en) * | 1999-02-25 | 2000-05-11 | Recticel Int Bettsysteme Gmbh | Adjustment mechanism for bed has disc with outer teeth that engage with inner teeth of larger ring, with bars transmitting force to frame section of bed |
| DE19962541C3 (en) * | 1999-12-23 | 2003-11-27 | Ag Goldingen Cimosys | Motor-adjustable support device for upholstering a seating and / or reclining furniture, for example a mattress or a bed |
| DE10017978C2 (en) * | 1999-12-23 | 2001-10-31 | Cimosys Ag Goldingen | Furniture drive |
-
2002
- 2002-12-27 DE DE10261644A patent/DE10261644A1/en not_active Withdrawn
-
2003
- 2003-11-04 WO PCT/EP2003/012287 patent/WO2004058011A1/en active IP Right Grant
- 2003-11-04 ES ES03813876T patent/ES2277156T3/en not_active Expired - Lifetime
- 2003-11-04 CA CA002552472A patent/CA2552472A1/en not_active Abandoned
- 2003-11-04 AT AT03813876T patent/ATE341973T1/en not_active IP Right Cessation
- 2003-11-04 JP JP2004562543A patent/JP2006512119A/en not_active Withdrawn
- 2003-11-04 PT PT03813876T patent/PT1613196E/en unknown
- 2003-11-04 DK DK03813876T patent/DK1613196T3/en active
- 2003-11-04 AU AU2003303358A patent/AU2003303358A1/en not_active Abandoned
- 2003-11-04 CN CN200380107655.9A patent/CN1738562A/en active Pending
- 2003-11-04 DE DE50305391T patent/DE50305391D1/en not_active Expired - Lifetime
- 2003-11-04 EP EP03813876A patent/EP1613196B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK1613196T3 (en) | 2007-01-15 |
| JP2006512119A (en) | 2006-04-13 |
| EP1613196A1 (en) | 2006-01-11 |
| ATE341973T1 (en) | 2006-11-15 |
| DE10261644A1 (en) | 2004-07-22 |
| CN1738562A (en) | 2006-02-22 |
| EP1613196B1 (en) | 2006-10-11 |
| DE50305391D1 (en) | 2006-11-23 |
| WO2004058011A1 (en) | 2004-07-15 |
| PT1613196E (en) | 2007-01-31 |
| AU2003303358A1 (en) | 2004-07-22 |
| ES2277156T3 (en) | 2007-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |