Not applicable.
The present invention relates to furniture. More particularly, the present invention is related to reclining chairs having a high-leg, space-saving design.
Chair style is an important factor in the commercial success of a chair. One such style of chair is known as a “high-leg” chair. The high-leg chair may be envisioned as removing the lower section of a typical upholstered chair and extending the support legs from the bottom of the chair to the floor. The support legs can then be made into more fashionable designs. Another style of chair is a space-saving recliner in which the chair is often able to fully recline but does not extend backward when reclined as is typical with reclining chairs. This space-saving design allows a fully reclining chair to be placed close to a wall or object behind the chair. One problem encountered when attempting to incorporate a high-leg style into a space-saving recliner design is that any lower portion of the chair removed for the purpose of high leg styling also removes the lower portion of the main ottoman that provides support for a user's feet when the chair is reclined, reducing the user's comfort.
Previous attempts to remedy the reduced support offered by a smaller main ottoman resulting from a high-leg chair design have incorporated a secondary ottoman into the ottoman linkage (also known as the footrest linkage). In these previous attempts, however, the reclining mechanism included in the high-leg chair was a traditional mechanism that moves up and toward the rear of the chair when the chair extends to recline. The movement of the traditional mechanism provides sufficient clearance for a secondary ottoman to extend during reclining.
In contrast to the movement of a traditional mechanism, in a space-saving design, the initial movement of the reclining mechanism is forward and downward. This forward and downward movement does not provide adequate clearance for a secondary ottoman to extend during reclining, making the incorporation of a secondary ottoman to provide additional foot support unworkable in a high-leg chair with a fully reclining, space-saving design.
Another drawback of secondary ottomans incorporated into traditional mechanisms is that the weight of the secondary ottoman often causes the secondary ottoman to pivot open slightly. This in turn causes the main ottoman to pivot open slightly. Because the main ottoman forms the lower front portion of the chair, the end result of the slight pivoting of the secondary ottoman is that the chair appears slightly open when it is supposed to be in the closed and upright position. A common way to prevent this undesirable appearance is to add an extension spring to hold the ottoman closed. The extension spring, however, creates an additional problem, because the occupant of the chair must overcome significant added spring pressure to extend the chair into a reclining position. The addition of an extension spring is also costly, and the spring can be unreliable.
Embodiments of the present invention relate to extendable ottoman linkages configured for installation in high-leg reclining furniture having a main ottoman and a secondary ottoman. The extendable ottoman linkages provide sufficient clearance for a secondary ottoman to extend by arranging the components of the linkage such that the extension of the secondary ottoman is delayed until the main ottoman has extended sufficiently to provide the necessary clearance. The extendable ottoman linkages further hold the secondary ottoman securely in a closed position when the furniture is in a closed position.
In one embodiment, an extendable ottoman linkage is configured for installation in a piece of high-leg reclining furniture with a space-saving design having extendable main and secondary ottomans. The extendable ottoman linkage comprises a main ottoman link, a secondary ottoman link, a secondary ottoman drive link, and a connector link. The main ottoman link has a first end and a second end and is attached at the second end to the main ottoman. The secondary ottoman link has a first end and a second end and is attached at the first end to the secondary ottoman and pivotally connected at the second end to the first end of the main ottoman link via a secondary ottoman pivot. The secondary ottoman drive link has a first end and a second end and is pivotally connected at the first end to the second end of the main ottoman link via a secondary ottoman connector drive pivot. The connector link has a first end and a second end and is pivotally connected at the first end to the second end of the secondary ottoman link via a secondary ottoman drive pivot and pivotally connected at the second end to the first end of the secondary ottoman drive link via a secondary ottoman connector pivot. The arrangement of the main ottoman link, secondary ottoman link, secondary ottoman drive link, and connector link and the locations of the secondary ottoman pivot, secondary ottoman connector drive pivot, secondary ottoman drive pivot, and secondary ottoman connector pivot is selected to delay extension of the secondary ottoman until the main ottoman is sufficiently extended to provide clearance for the secondary ottoman.
In another embodiment, an extendable ottoman linkage is configured for installation in a piece of high-leg reclining furniture with a space-saving design having extendable main and secondary ottomans. The extendable ottoman linkage comprises a main ottoman link, a secondary ottoman link, a secondary ottoman drive link, and a connector link. The main ottoman link has a first end and a second end and is attached at the second end to the main ottoman. The secondary ottoman link has a first end and a second end and is attached at the first end to the secondary ottoman and pivotally connected at the second end to the first end of the main ottoman link via a secondary ottoman pivot. The secondary ottoman drive link has a first end and a second end and is pivotally connected at the first end to the second end of the main ottoman link via a secondary ottoman connector drive pivot. The connector link has a first end and a second end and is pivotally connected at the first end to the second end of the secondary ottoman link via a secondary ottoman drive pivot and pivotally connected at the second end to the first end of the secondary ottoman drive link via a secondary ottoman connector pivot.
In this embodiment, when the furniture is in a closed position and when the linkage is viewed from a side view such that the extendable ottomans extend to the right, a line drawn between the center of the secondary ottoman connector drive pivot and the secondary ottoman drive pivot forms an acute angle with the main ottoman to the right of the line. From this view, the secondary ottoman connector pivot is located between the secondary ottoman connector drive pivot and the secondary ottoman drive pivot. Also from this view, the secondary ottoman connector pivot is centered slightly to the left of the line drawn between the center of the secondary ottoman connector drive pivot and the center of the secondary ottoman drive pivot.
In still another embodiment, a high-leg, space-saving reclining chair comprises a chair body having four legs and a seat; a recliner mechanism attached to the chair body, wherein when the chair is reclined, the recliner mechanism moves forward and downward; a back portion pivotally connected to the recliner mechanism; an extendable main ottoman and extendable secondary ottoman; and an ottoman linkage pivotally connected to the recliner mechanism and to the extendable main ottoman and extendable secondary ottoman. The ottoman linkage comprises a main ottoman link, a secondary ottoman link, a secondary ottoman drive link, and a connector link. The main ottoman link has a first end and a second end and is attached at the second end to the main ottoman. The secondary ottoman link has a first end and a second end and is attached at the first end to the secondary ottoman and pivotally connected at the second end to the first end of the main ottoman link via a secondary ottoman pivot. The secondary ottoman drive link has a first end and a second end and is pivotally connected at the first end to the second end of the main ottoman link via a secondary ottoman connector drive pivot. The connector link has a first end and a second end and is pivotally connected at the first end to the second end of the secondary ottoman link via a secondary ottoman drive pivot and pivotally connected at the second end to the first end of the secondary ottoman drive link via a secondary ottoman connector pivot.
In this embodiment, when the chair is in a closed position and when the linkage is viewed from a side view such that the extendable ottomans extend to the right, a line drawn between the center of the secondary ottoman connector drive pivot and the secondary ottoman drive pivot forms an acute angle with the main ottoman to the right of the line. From this view, the secondary ottoman connector pivot is between the secondary ottoman connector drive pivot and the secondary ottoman drive pivot. Also from this view, the secondary ottoman connector pivot is centered slightly to the left of the line drawn between the center of the secondary ottoman connector drive pivot and the center of the secondary ottoman drive pivot. Further from this view, the center of the secondary ottoman drive pivot is below and to the right of the center of the secondary ottoman pivot.
This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Embodiments of the present invention are described in detail below with reference to the attached drawing figures, wherein:
Embodiments of the present invention are described with specificity herein to meet statutory requirements. However, the description itself is not intended to limit the scope of this patent. Rather, the inventor has contemplated that the claimed subject matter might also be embodied in other ways.
As discussed above, previous attempts at solving the problems caused by a high-leg recliner design are unworkable when implemented in a space-saving recliner design. In a high-leg design, the ottoman that extends to support the legs and feet in a reclined position is smaller than in a traditional recliner design and does not offer as much support as the traditional design. The secondary ottoman used to provide additional support in a high-leg recliner cannot be implemented in a space-saving recliner because the movement of the reclining mechanism in the space-saving recliner design does not provide sufficient clearance for the secondary ottoman to extend. Additionally, traditional secondary ottomans must be equipped with an extension spring to prevent unintentional slight opening when the ottoman is not extended and the chair is in a “closed” position. Such extension springs are expensive and undesirably increase the amount of force a user must exert to extend the ottoman.
Embodiments of the present invention overcome the problems associated with traditional recliner designs and present novel high-leg, space-saving recliners and corresponding recliner mechanisms and linkages. Traditional recliner design will be further discussed below, followed by a detailed discussion of embodiments of the present invention.
Embodiments of the present invention are illustrated in
To supplement the reduced support offered by main ottoman 108, secondary ottoman 109 is included in high-leg, space-saving recliner 100. Extendable ottoman linkage 106 is designed to provide sufficient clearance above the surface on which recliner 100 rests for secondary ottoman 109 to extend outward. The connection of an ottoman linkage with a recliner mechanism, such as ottoman linkage 106 and recliner mechanism 104, are well known to one having ordinary skill in the art and are not discussed in great detail. Extendable ottoman linkage 106 is more clearly illustrated in
The arrangement of main ottoman link 202, secondary ottoman link 204, secondary ottoman drive link 208, and connector link 212 and the locations of secondary ottoman pivot 206, secondary ottoman connector drive pivot 210, secondary ottoman drive pivot 214, and secondary ottoman connector pivot 216 are selected to delay extension of secondary ottoman 109 until main ottoman 108 is sufficiently extended to provide clearance for secondary ottoman 109. The cause of the delay in extension can be understood with reference to center line 218 drawn between the center points of secondary ottoman connector drive pivot 210 and secondary ottoman drive pivot 214.
Linkage 106 is designed such that the center point of secondary ottoman connector pivot 216 is slightly to the left of center line 218. In
A further advantage of extendable ottoman linkage 106 as shown in
In contrast, the arrangement of links and pivots shown in
The movement of main ottoman 108 and secondary ottoman 109 from a closed position to an extended position when chair 100 is reclined is illustrated in
Secondary ottoman link 204 and attached secondary ottoman 109 are rotated to a partially extended position by the action of the secondary ottoman drive link 208 through connector link 212. Further rotation caused by secondary ottoman drive link 208 moves secondary ottoman 109 into a fully extended position as shown in
Referring now to
The force of the chair occupant's weight is responsible for movement of the seat angle 5 and back plate 1 into the TV viewing position and is a result of rear TV pivot link 51 and front TV pivot link 64 pivoting around points 50 and 66 on roller link 39 and pivoting around points 4 and 65 where attached to seat angle 5. The downward and forward movement of the seat and back relative to the arms is responsible for moving the ottomans into their extended position as drive link 10 (attached at the rear point 45 to roller link 39 and to third ottoman link 12 at forward point 11) causes third ottoman link 12 to rotate counterclockwise at point 13, where it is affixed to seat angle 5. Rotation of third ottoman link 12 causes the upward and forward movement of first ottoman link 19 through pivot 34, while the positioning of first ottoman link 19 is controlled by fourth ottoman link 15 where it is attached at point 33 and conversely attached to seat angle 5 at point 15.
First ottoman link 19 is responsible for extending the mid ottoman attached to mid ottoman bracket 17 where attached at point 16 and the main ottoman attached to main ottoman bracket 23 where attached at point 21. The amount of extended movement is determined by placement of a stop 20 in the first ottoman link 19, the contact of stop 20 with second ottoman drive link 208 restricting further rotation. The main ottoman is held in the closed position by lock link 8 attached to seat angle 5 at pivot point 9 and long lock link 36 that is attached at the rear to lock link 8 at pivot point 4 and forwardly attached to third ottoman link 12 at point 35. Lock link 8 and long lock link 36 are so configured to allow pivot point 9 to move into an over-center position between connecting points 44 and 35 when in the closed position, thus holding the main ottoman closed until downward pressure is applied to long lock link 36.
This movement is transferred and controlled to the opposing side mechanism through a square tube rigidly fastened to lock link 8 through square hole 37. The position of the secondary ottoman is held in the closed position as described in detail above with regard to
This forward and upward movement and positioning of the back, seat, and ottoman is controlled at the rear by a track and roller assembly shown in the TV viewing position in
The movement of roller 48 is determined by a stop 47 placed in track 54 contacting roller 48. The positioning of the front of the seat and ottomans in the fully reclined position is controlled by a link arm arrangement comprised of front connector link 6 attached at the rear to base plate 43 at pivot point 46 and forwardly to upper travel link 63 at pivot point 7. During the fully reclined movement, upper travel link 63 rotates clockwise around pivot point 7 driven by its attachment at the lower end to roller link 39. The support of this linkage and the upper positioning is determined by lower travel link 41 and lower travel link 41's attachment to upper travel link 63 at pivot point 38 and the attachment to base plate 43 at point 42.
In summary, the downward and forward movement of the chair back and seat to the TV viewing position, in conjunction with the weight of the occupant, forces the main and secondary ottomans to extend. The force applied to the back of the chair counterbalances the force applied to the ottomans when legs are rested on the ottomans.
Embodiments of the invention are described herein with reference to high-leg, space-saving reclining chairs. As is understood by one having ordinary skill in the art, the extendable linkages supporting secondary ottomans as described herein may be incorporated in other high-leg, space-saving reclining furniture such as loveseats, couches, and sectionals.
The present invention has been described in relation to particular embodiments, which are intended in all respects to be illustrative rather than restrictive. Alternative embodiments will become apparent to those of ordinary skill in the art to which the present invention pertains without departing from its scope.
From the foregoing, it will be seen that this invention is one well adapted to attain all the ends and objects set forth above, together with other advantages which are obvious and inherent to the system and method. It will be understood that certain features and sub-combinations are of utility and may be employed without reference to other features and sub-combinations. This is contemplated by and is within the scope of the claims.
This application claims priority to U.S. provisional application 61/177,135, filed May 11, 2009, which is hereby incorporated by reference.
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International Search Report and Written Opinion of the International Searching Authority in International Application No. PCT/US2010/034346, mailed Jul. 15, 2010, 14 pages. |
Number | Date | Country | |
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20100283297 A1 | Nov 2010 | US |
Number | Date | Country | |
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61177135 | May 2009 | US |