• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A bed assembly includes a base, a frame supported by the base, a deck supported by the frame, and a unit received in an opening formed in an upwardly-facing top surface of the deck so that the unit is accessible from the top side of the deck.
    公开号:US20010000828A1
    申请号:US09/750,860
    申请日:2000-12-29
    公开日:2001-05-10
    发明作者:David Hensley
    申请人:Hensley David W.；
    IPC主号:A47C20-041
    专利说明:
    [1] 1. This is a divisional application of a copending U.S. patent application, Ser. No. 09/396,033, filed on Sep. 15, 1999, and entitled “Articulating Bed Frame”, which is a continuation of a U.S. patent application, Ser. No. 09/064,292, filed on Apr. 22, 1998. Both of these applications are hereby incorporated by reference. BACKGROUND AND SUMMARY OF THE INVENTION
    [2] 2. The present invention relates to articulating bed frames and more particularly to the provision of articulating bed frames which will move rectilinearly toward the wall or the stationary headboard when the upper body portion of the bed is tilted upwardly, move rectilinearly toward the foot of the bed when the upper body portion is tilted downwardly, and which can also be moved into a purchaser's home by one delivery person and assembled by that delivery person.
    [3] 3. Articulating bed frames are known and are often referred to as “hospital bed” frames in that the frames provide relatively movable upper body portions, seat portions, thigh portions and lower leg portions. Such beds are described in pending application Ser. No. 08/565,409 filed Nov. 30, 1995, now U.S. Pat. No. 5,815,865. In such beds, the head and upper back of the person reclining on the bed may be tilted upwardly from the transversely extending seat panel to a selected position. Generally the transversely extending seat panel remains stationary and flat. The thigh section tilts upwardly from the seat panel to raise the patient's knees and thighs. The lower leg panel then tilts downwardly from the thigh panel in conventional fashion.
    [4] 4. It is desirable to have such an articulating frame which is shipped in semi-knocked down (SKD) condition for ease of handling, transportation and assembly in the field. Only one delivery person is required to take such a SKD articulating frame to a customer's home to be installed. It is also desirable to have such an articulating frame which will move rectilinearly toward the head of the bed when the head portion is raised and toward the foot of the bed when the head portion is lowered. This will permit the bed to be placed against a wall or a stationary headboard. It will also permit the person on the bed to stay close to the adjacent night stand when the head portion is tilted upwardly. It is desirable to equip the articulating frame with a massage unit for the back and/or legs of the person resting on the bed.
    [5] 5. In accordance with the present invention, a bed frame assembly includes a base, a frame supported by the base, a deck supported by the frame, and a unit, such as a massage unit, received in an opening formed in an upwardly-facing top surface of the deck so as to provide access to the unit from the top side of the deck.
    [6] 6. Additional features, and advantages of the present invention will become apparent to those skilled in the art upon consideration of the following detailed description of the preferred embodiment exemplifying the best mode of carrying out the invention as presently perceived. BRIEF DESCRIPTION OF THE DRAWINGS
    [7] 7. The detailed description particularly refers to the accompanying figures in which:
    [8] 8.FIG. 1 is a bottom, left and front perspective view of one embodiment of the present invention showing a multi-part SKD frame assembly comprising a base frame which is mountable on a conventional bed frame, a carriage mounted on the base frame for rectilinear motion and an articulating upper frame mounted on the carriage,
    [9] 9.FIG. 1a diagrammatically shows the pop-out panels or decks arranged for reception in the articulating upper frame to form a platform for a mattress,
    [10] 10.FIG. 1b diagrammatically shows electrical hand controls for operating first and second drives for lifting and lowering the upper body frame section and for lifting and lowering the thigh and lower leg frame sections respectively,
    [11] 11.FIG. 2 shows a sectional end view of the FIG. 1 frame assembly, taken along the line 2—2 in FIG. 1, showing the inwardly-facing channels of the base frame, the carriage having rollers riding in the channels, and further showing the first and second drives mounted on the carriage,
    [12] 12.FIG. 3 shows a top view of the FIG. 1 frame assembly showing the base frame, the carriage riding in the base frame and the articulating upper frame mounted on the carriage,
    [13] 13.FIG. 4 shows a front sectional view of the FIG. 1 frame assembly with the articulating upper frame disposed in a horizontal position,
    [14] 14.FIG. 5 is a view similar to FIG. 4 of the frame assembly with the upper body frame section and the thigh frame section raised,
    [15] 15.FIG. 6 is a bottom, left and front perspective view of a second embodiment of the present invention, similar to the FIG. 1 embodiment, showing a floor engaging base frame with side rails having channel tracks and four corner posts or legs, a carriage mounted on the floor engaging base frame for longitudinal sliding motion and an articulating upper frame mounted on the carriage,
    [16] 16.FIG. 7 is a perspective view showing a preferred leg assembly for the FIG. 6 frame assembly,
    [17] 17.FIG. 7a is a cross-sectional view of an isolation pad for use with a mattress having a vibration massage capability,
    [18] 18.FIG. 8 is a sectional view, similar to FIG. 4, of the FIG. 6 frame assembly showing the articulating upper frame in the horizontal position,
    [19] 19.FIG. 9 is a top, right and front exploded perspective view of a third embodiment of the present invention showing a floor engaging base frame, similar to the FIG. 6 floor engaging base frame, but positioned inside the well formed by a conventional bed frame, a carriage mounted on the floor engaging base frame and an articulating upper deck mounted on the carriage,
    [20] 20.FIG. 9a is a perspective view showing an adjustable pad leveler attached to the corner posts of the floor engaging base frame of FIG. 9,
    [21] 21.FIG. 10 is a front view, similar to FIGS. 4 and 8, of the FIG. 9 frame assembly showing the articulating upper deck in the horizontal position,
    [22] 22.FIG. 11 is a front view, similar to FIG. 10, of the FIG. 9 frame assembly showing the upper body panel section and the thigh panel section in the raised position,
    [23] 23.FIG. 12 is a partial exploded perspective view of the articulating upper deck, showing the four panel sections, a decorative skirt to be glued to the panel sections around the perimeter thereof, two massage units, a mattress pad and an electrical control box,
    [24] 24.FIGS. 13, 13a are diagrammatic views of the construction of a typical articulating upper deck, a foundation foam disposed on the upper deck and a mattress disposed on the foundation foam, and further showing the location of the pivot point for the upper body panel section, and
    [25] 25.FIGS. 14, 14a are diagrammatic views of the construction of an articulating upper deck according to the present invention, a mattress disposed on the upper deck, and further showing the location of the in-line pivot point for the upper body panel section. DETAILED DESCRIPTION OF THE DRAWINGS
    [26] 26. The frame assembly 10 shown in FIG. 1 comprises a base frame or channel frame 12 including a pair of inwardly facing, longitudinally extending side rails or channels 14, 16 which are held in laterally spaced apart position by four longitudinally spaced apart, transversely extending strut members 18, 20, 22, 24. The base frame 12 can be picked up and carried by a single delivery person and is designed to be set atop a conventional bed frame in the position that is shown in FIG. 1. A carriage 30 having rollers 32 is mounted on the base frame 12 for rectilinear movement. The inwardly facing channels 14, 16 of the base frame 12 serve as longitudinally extending guides or tracks for rollers 32.
    [27] 27. An articulating upper frame 40 is mounted on the carriage 30. This articulating frame 40 comprises an upper body frame section 42, a seat frame section 44, a thigh frame section 46 and a lower leg frame section 48. As shown in FIGS. 3-5, these frame sections are fabricated from upwardly and inwardly opening channel members and are hinged together in a conventional manner. Essentially, the upper body frame section 42 and the thigh frame section 46 pivot upwardly from the seat frame section 44 in a conventional manner. When the thigh frame section 46 pivots upwardly, the lower leg frame section 48 tilts downwardly from the thigh frame section in the manner shown in FIGS. 4 and 5.
    [28] 28. The base frame 12, the carriage 30 and the articulating upper frame 40 are all made from suitable high strength, lightweight, rigid materials, such as aluminum, steel, high strength plastic or a composite.
    [29] 29. In accordance with the present invention, each of these frame sections 42-48 carries a pop-out panel or deck which is received within the upwardly and inwardly opening channels of the frame section. These pop-out panels are shown in FIGS. 1a and identified as panels 42 a, 44 a, 46 a and 48 a corresponding respectively to the frame sections 42, 44, 46, 48. The panels may be made from any type of rigid lightweight panel material and are conveniently made from plywood, chip board or OSB board very well known in the furniture business. These panels 42 a, 44 a, 46 a, 48 a may be covered with decorative material or somehow coated to have a pleasing appearance. Each panel 42 a, 44 a, 46 a and 48 a will drop into its respective frame section 42, 44, 46, 48 to be held there by the weight of the panel and any mattress placed on the articulating frame.
    [30] 30. The seat frame section 44 is supported by and bolted to the carriage 30 by a set of bolts as shown. The seat frame section 44 may preferably carry the electrical controls for the first and second drive systems 50, 52 that move the upper body frame section 42, the thigh frame section 46 and the lower leg frame section 48 in the manner described below. Alternately, as diagrammatically shown in FIG. 1b, a wired remote control unit 54 may be provided for operating the two drive systems. Although a wired remote control unit is shown in FIG. 1b, it is contemplated that one may instead use a wireless remote control unit for convenience.
    [31] 31. In a conventional fashion, the first drive system 50 is provided for lifting and lowering the upper body frame section 42, and the second drive system 52 is provided for lifting and lowering the thigh frame section 36. These two drive systems 50, 52 may conventionally comprise electrical motors and lead screws such as are conventionally used to drive articulating frame sections. A suitable electrical motor for use with the drive systems 50, 52 is a linear actuator motor, model no. LA 31.1, made by Linak Company of Denmark. It will be appreciated, however, that any number of different type of drive mechanisms may be used in accordance with the present invention. Such systems may include hydraulic systems as well as pneumatic drives. In preferred systems, the person lying on the bed manipulates electrical controls on the hand unit 54 to make the bed move to a more comfortable position.
    [32] 32. As shown in FIGS. 1 and 3, the first and second ends 50′, 50″ of the first drive system 50 are pivotally connected to the carriage 30 and the strut member 22 of the base frame 12, respectively. The first drive system 52 serves to move the carriage 30 longitudinally in the channels 14, 16. Similarly, the first and second ends 52′, 52″ of the second drive system 52 are pivotally connected to the carriage 30 and a bracket 56 attached to the thigh frame section 46, respectively. The second drive system 52 serves to lift and lower the thigh frame section 46.
    [33] 33. The upper body frame section 42 is connected by links 60 to the head ends of the side rails 14, 16 by pins 60′, 60″. When the carriage 30 moves along the channels 14, 16 toward the headboard, the links 60 cause the upper body frame section 42 to tilt upwardly from its horizontal position. The linkage assembly 60 causes the upper body frame section 42 to move back toward its horizontal position when the carriage 30 moves toward the footboard. A pair of support members 62 are welded to the head ends of the side rails 14, 16 for supporting the upper body frame section 42 when the articulating bed frame 40 is flat or horizontal.
    [34] 34. A pair of links 70, 72 are provided for controlling the movement of the lower leg frame section 48 relative to the base frame 12. The first and second ends 70′, 70″ of the links 70 are pivotally connected to the carriage 30 and the lower leg frame section 48 respectively. A pair of support brackets 72 carrying the rollers 74 are secured to the underside of the lower leg frame section 48. The rollers 74 rest on the side rails 14, 16 when the lower leg frame section 48 is flat. When the thigh frame section 46 is raised by the drive system 52, the links 70 cause the lower leg frame section 48 to pivot downwardly as shown in FIG. 5.
    [35] 35. A second embodiment of the present invention will now be described in conjunction with FIGS. 6-8. (It will be noted that the like components in all the embodiments are designated by like numerals.) The frame assembly 110 comprises a stand-alone floor engaging base frame 112 having longitudinally extending side rails 114,116, transversely extending strut members 118-124 and four corner posts or legs 126 at four corners of the bed. This floor engaging base frame 112 will serve in place of the conventional bed frame discussed above. Decorative padded panels (not shown) may be suspended from the side and end rails of the bed to give it a desired appearance.
    [36] 36. The height adjustment mechanism is best seen in the perspective view of FIG. 7. Each leg 126 comprises an outer sleeve 180 rigidly attached to the floor engaging base frame 112 and a telescoping inner sleeve 182 which will move selectively downwardly to raise the elevation of the upper portion of the floor engaging base frame 112. Illustratively, the inner sleeve 182 may be provided with a series of vertically spaced openings 184. A selector pin 186 may be carried on a stiff leaf spring 188 to extend through an opening 180′ in the outer sleeve 180 into one of the selected openings 184 in the inner sleeve 182. The lower end of the inner sleeve 182 may carry an isolation pad assembly 190.
    [37] 37. The isolation pad assembly 190 isolates the floor engaging base frame 112 from the floor in case the user of the articulating frame energizes a vibrator mode on the mattress disposed on the frame. As illustrated in FIG. 7a, the isolation pad 190 includes a stem 192 secured to the inner sleeve 192, a load-bearing washer 194, elastomeric damping material 196 and a housing 198. The stem 192 and the load-bearing washer 194 may be made from a suitable high strength steel. The housing 198 may be made from a suitable high strength plastic. The elastomeric material 196 may be styrene butadiene rubber.
    [38] 38. Once the floor engaging base frame 112 of the frame assembly 110 is carried into the residence of a purchaser, a carriage 130 and an articulating upper frame 140 (such as that shown and described in conjunction with FIGS. 1-5) may be mounted on the floor engaging base frame to provide the same features as those discussed in connection with FIGS. 1-5.
    [39] 39. A third embodiment of the present invention is shown in FIGS. 9-12. The frame assembly 210 comprises a floor engaging base frame 212, a carriage 230 mounted on the base frame and an articulating upper deck 240 mounted on the carriage. In this embodiment, the floor engaging base frame 212 is disposed inside a conventional bed frame 200. The conventional bed frame 200 may include a headboard 202, a footboard 204, a pair of longitudinally extending side rails 206 interconnecting the headboard and footboard, and a pair of transversely extending strut members 208.
    [40] 40. The floor engaging base frame 212 of the third embodiment, like the floor engaging base frame 112 of the second embodiment, comprises a pair of longitudinally extending sides 214, 216, a pair of longitudinally spaced and transversely extending strut members 218, 220 and four vertically-adjustable corner posts 226. The ends of the strut members 218, 220 are supported by the upwardly and inwardly opening side rails 206 of the conventional bed frame 200. The reception of the strut members 218, 220 in the side rails 206 of the bed frame 200 serves to stabilize the floor engaging base frame 212. In particular, it prevents the rotation and side-to-side motion of the floor engaging base frame 212 relative to the bed frame 200.
    [41] 41. Typically, the beds in the consumer homes are of varying heights and of varying structural integrity. It is, therefore, desirable to equip the corner posts 226 with great flexibility for the height adjustment. To this end, as shown in FIG. 9a, the corner posts 226 are provided with threaded pad levelers 226′. The pad levelers 226′ may be screwed into the tapped inserts 226″ mounted inside the ends of the inner sleeves 282. The rest of the construction of the corner posts 226 is the same as the configuration shown in FIG. 7a. In operation, the struts 218, 220 rest on the side rails 206 of an existing bed frame 200 and the corner posts 226 are then adjusted so that the load of the person occupying the bed is transferred to the floor through the corner posts.
    [42] 42. The rollers 232 mounted to the carriage 230 are received in the inwardly-opening channels of the side rails 214, 216 for supporting the rectilinear motion of the carriage. First and second drives 250, 252 are mounted on the carriage 230 for lifting and lowering the upper body section and the thigh section, respectively, of the articulating upper deck 240.
    [43] 43. As shown in FIG. 12, the articulating upper deck 240 comprises an upper body panel section 242, a seat panel section 244, a thigh panel section 246 and a lower leg panel section 248. The longitudinally spaced, transversely extending panel sections 242-248 are hinged together to form a platform for the mattress and to provide articulating movement of the upper deck 240. The panel sections 242-248 are made from suitable high strength, light weight rigid material, such as an OSB board. It will be seen that this embodiment does away with separate frame elements used in the first two embodiments.
    [44] 44. The upper body panel section 242 has an opening 242′ for receiving a vibration massage unit 300 for the upper back portion of the body. The lower leg panel section 248, on the other hand, has two openings 248′, 248″—one for receiving a leg massage unit 302 and the other for receiving an electrical control box 304, respectively. The massage units 300, 302 transmit vibrations to the person lying on the bed through the respective transmission boards 300′, 302″. Any suitable mechanism, such as speaker coils, may be used for driving the massage units 300, 302. The electrical control box 304 houses the electronic circuits for controlling the operation of various electrical systems. A mattress pad 306, made from a resilient foam material, is disposed on the top of the panel sections 242-248 to cushion the feel of the deck. The vibrations from the massage units 300, 302 are transmitted to the person lying on the bed through the foam pad 306. The foam pad 306 additionally serves to reduce the effects of the vibrations on the bed frame.
    [45] 45. The foam pad 306 has an opening 306′ for providing access to the electrical control box 304 for inspection or repairs. The convenient location of the control box 304 on the lower leg panel section 248 provides easy access to the electronic circuits without having to turn the bed upside down when the repairs are needed.
    [46] 46. A decorative padded shroud or skirt 308, also made from a resilient foam material, is glued around the perimeter of the panel sections 242-248. The foam shroud 308 serves to give the upper deck 240 a familiar box-spring like look. It also serves to conceal the mechanisms and electrical circuits disposed on the underside of the upper deck 240 and to reduce the risk of accident or injury. A plurality of slits 308′ may be provided in the foam shroud 308 to allow it to bend easily when the upper body panel section 242 and the thigh panel section 246 are articulated.
    [47] 47. First and second ends of the first drive 250 are pivotally secured to the carriage 230 and to the strut member 220, respectively. Similarly, the first and second ends of the second drive 252 are respectively secured to the carriage 230 and a lift arm bracket 256 pivotally mounted on the carriage.
    [48] 48. As shown in FIGS. 10 and 11, the upper body panel section 242 is pivotally connected by links 260 to the head ends of the side rails 214, 216 of the base frame 212. One end of each of the links 260 is pivotally connected to a bracket 260′ fixedly mounted to the upper body panel section 242. The other end of each of the links 260 is pivotally secured to the respective one of the side rails 214, 216 by pins 260″ (shown in FIG. 9). When the carriage 230 moves along the channels 214, 216 toward the headboard 202, the upper body panel section 242 is tilted upwardly from its horizontal position. The upper body panel section 242 is tilted downwardly toward its horizontal position when the carriage 230 moves toward the footboard 204. When the upper body panel section 242 is horizontal or flat, it rests on the two corner posts 226 disposed near the headboard 202.
    [49] 49. When the second drive 252 is activated, it pivots the lift arm bracket 256 about its axis as shown in FIG. 11. When the lift arm bracket 256 is pivoted, a pair of rollers 258 secured to the arms of the lift arm bracket engage the underside of the thigh panel section 246 to tilt it upwardly. The lower leg panel section 246 is connected by links 270 to the carriage 230. One end of each of the links 270 is pivotally connected to a bracket 270′ fixedly mounted to the lower leg panel section 248. The other end of each of the links 270 is pivotally secured to the carriage by pins 270″. The links 270 are pivotally connected at their ends such that, when the thigh panel section 246 is raised, the lower leg panel section 248 is tilted downwardly, and such that, when the thigh panel section 246 is lowered, the lower leg panel section 248 is returned to its normal horizontal position.
    [50] 50. Another feature of the present invention will now be described in conjunction with FIGS. 13, 13a, 14 and 14 a. FIG. 13 illustrates the construction of a typical articulating bed. As shown, a mattress 400 lies on a foundation foam 402, which, in turn, lies on an articulating upper deck 440. The deck 440 is articulated about a pivot point 450 disposed under the deck through linkages (not shown). As shown in FIG. 13a, when the upper body panel section 442 is tilted upwardly, it rotates forward about the pivot point 450, thereby compressing the foundation foam 402 between the upper body panel section and the seat panel section 444. This causes the mattress 400 to extend beyond the foundation foam 402 and the upper body panel section 442 to, not only compromises the appearance, but also to generate wear, noise and static electricity.
    [51] 51.FIGS. 14, 14a demonstrate the construction of a bed assembly according to the present invention. As illustrated in FIG. 14, a mattress 500 lies on an articulating upper deck 540. Although not shown, a thin foam pad (like the one shown in FIG. 12) may be disposed between the deck 540 and the mattress 500. The deck 540 is articulated about an in-line pivot point 550 lying between the upper body panel section 542 and the seat panel section 544 (instead of pivoting the upper deck about a pivot point disposed below the deck as shown in FIGS. 13, 13a). It is desirable to have the pivot point 550 as close as possible to the upper supporting surface of the deck 540. A decorative padded foam shroud 508 is glued around the perimeter of the panel sections 542-548. Thus, the foam shroud 508 is under the panel sections 542-548, not over it. As illustrated in FIG. 14a, when the upper body panel section 542 is tilted upwardly, it rotates about the in-line pivot point 550 without extending the mattress 500 beyond the upper body panel section 542.
    [52] 52. It will be seen, therefore, that the articulating frame assembly (10, 110 or 210) of the present invention comprises a base frame (12, 112 or 212) onto which a carriage (30,130 or 230), carrying the drive systems (50& 52, 150& 152 or 250& 252), is mounted. The carriage (30,130 or 230) is slid into the channels (14& 16, 114& 116 or 214& 216) in the assembly process. The articulating upper frame (40, 140 or 240) is then mounted on the carriage (30,130 or 230) by bolting the seat frame section (44, 144 or 244) to the carriage. The drive systems (50& 52, 150& 152 or 250& 252) and the links (60& 70, 160& 170 or 260& 270) are then hooked to the base frame (12, 112 or 212) and the articulating upper frame (40, 140 or 240). The pop-out panels (42 a, 44 a, 46 a & 48 a or 142 a, 144 a, 146 a & 148 a ) are then dropped into the corresponding frame sections (42, 44, 46& 48 or 142, 144, 146& 148) in the first two embodiments. In the third embodiment, the frame sections (42, 44, 46& 48 or 142, 144, 146& 148) are eliminated and, instead, the panel sections (242, 244, 246& 248) are hinged together to form the articulating upper deck (240).
    权利要求:
    Claims (5)
    [1" id="US-20010000828-A1-CLM-00001] 1. A bed assembly comprising:
    a) a base,
    b) a frame supported by the base,
    c) a deck supported by the frame, the deck having a generally upwardly-facing top surface formed to include an opening, and
    d) a unit received by the opening so that the unit is accessible from the top surface of the deck.
    [2" id="US-20010000828-A1-CLM-00002] 2. The bed assembly of
    claim 1 , wherein the unit is a massage unit.
    [3" id="US-20010000828-A1-CLM-00003] 3. The bed assembly of
    claim 1 , wherein the unit is an electrical control box.
    [4" id="US-20010000828-A1-CLM-00004] 4. The bed assembly of
    claim 1 , further comprising a mattress pad defining an opening, at least a portion of the opening of the mattress pad being coextensive with at least a portion of the opening of the deck so that the unit is accessible through the mattress pad and the deck.
    [5" id="US-20010000828-A1-CLM-00005] 5. The bed assembly of
    claim 1 , wherein the deck includes at least an upper body frame section and a seat frame section, the upper body and seat frame section being longitudinally spaced apart and transversely extending with the upper body frame section being movable relative to the seat frame section to provide articulating movement thereof with respect to the seat frame section.
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    优先权:
    申请号 | 申请日 | 专利标题
    US09/064,292|US6006379A|1997-08-04|1998-04-22|Articulating bed frame|
    US09/396,033|US6209157B1|1998-04-22|1999-09-15|Articulating bed frame|
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