US1805097A - Davenport bed - Google Patents

Description

A. KNOSHER DAVENPORT BED May 12, 1931.

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DAVENPORT BED Filed Feb. 17, 1930 3 Sheets-Sheet 2 May 12, 1931. A. KNOSHYER ,8 5,097 I DAVENPORT BED Filed Feb. 1'7. 193,- v 3 Sheets-Sheet 3 Patented May 12, 1931 PATEW-FF ADOLPH KNQSI-IER,' or NAPEBVILLEL'ILLINOIS, ASSIGNOR TO KROEHLEBMANUFA'C- I TUBING ooraraivy, OFINA-PERVILLE, ILLINOIS, a CORPORATION- o'r ILLINOIS 4 navnnroar ZBED Application filed February 17, 1930. Serial No. 428,890.

This invention relates to improvements a bed by swinging the seat outwardly and M downwardly, "thereby extending a .foldable bed frame which is enclosed Within the box like base of the davenport when made up for day use. g i

The davenport bed of the present disclosure is typical of the style in which the bed is arranged at right angles to the back of the davenport" with thehead at the outer end and in order to obtain full bed length and-yet maintain a compact construction" it has been the practice to lift or remove the back restfso as to utilize the available space for the foot of the bed. H'eretofore it has been necessary to raise the back rest bodily by hand and independently of thebed extending operation, and hence involved considerable physical exertion, although it was possible to decrease the weight of'the back rest by using lighter springs and upholstery.

The object of the present inventionis pri marily that of-provi ding a construction in which the back rest is raised and lowered automatically with the extension and folding of the bed frameythereby eliminating 'the additional efiort and often] laborious task of lifting the same by hand, ,And seeondarily it has made possible the use of a more substantial back rest construction including deeper springs and thicker upholstery inasmuch as'the added weight is flno longer an appreciable factor in the manip ulation of the bed.

The foregoing, together withffother improved features of constructionyare fully disclosed in the accompanying drawings, in which 1 I Figure 1 is a perspective View of a davenport bed embodying my invention. 7

Figure? isa view in longitudinal section through the davenport extended for use as a-bed. H r

Figure 3 is a vie'wpartially in side elevation and partially in vertical section showing the davenport arranged for day use.

Figure 4 is a perspective view of one end of theback-rest removed.

of a portion of the outer end of the seat and bed frame in extended position,'and

Figure 6 is a similar View of the same 7 parts shown in Figure 5 in" partially folded position. v v

Asshown in Figure 1,the davenport bed in its outward appearance is typical of furniture .of this classynamely an elongated sofa with'side arms 1, 1, back-rest 2, and seat, the latter preferably consisting of a covered seat frame 3and two removable seat cushio'nsh. j

I As is customary in furniture construction, the davenport frame is of wood, the members being] assembled in skeleton form and then covered or upholstered in the usual manner, with certain portions built upw'ith padding and backed by springs, as'in the a case of the back-rest.

Without going into detail as tothe frame construction, it consists general'ly of a rectangula'r base frame 5 extending around the "bottom with the short legs 6 secured at'e'ach corner. At each end ofthe base frame are Figure 5 is an enlarged perspective view end frames not shown infull, but on which are built up the side arm s 1, 1.

7a, 705, and. side rails 7b,-projects a short distance above the side arms '1, 1 and conpletes t-he; stationary frame work ofthe structure. 7 v

The back-rest -2,. -a lthough'supported by,

jthe' back' frame 7, is a separate structure and movable relative thereto in a vertical the back-'restfis also an upholstered frame made up of vertical end frame members 8, 8,

A; back, frame 7 madeup of top and bottom rails to backand extending horizontally between 7 "the end members. The lower'rail' 10 is 10- cated substantially midway the upper and I p lower ends of the side members and marks Q the flower extremityf of the upholstering,

which'consists of a backing of coil springs 11 enclosed within a fabric casing 12tapering to a point at the apex of the L-sha'ped I top rail and having the fabric tacked at its 1 lower edges to the edges of thelowerrail 10.

8'5 direction. Thus as showncin Figures3and 1 Extending vertically downward from the upper portion of each side frame member 8 from a point just below the lower rail 10 is a narrow rail or extension 8a terminating just above the bottom edge of the bottom frame 5, and lying inwardlyfrom the ends thereof, it being noted from Figure {t that the upper upholstered end portions of the back-rest 2 are extended outwardly beyond the end frame members 8, 8 to provide extensions which over-lie the rear ends of the arm rests 1, 1 as shown in Figure 1.

These vertical. extensions or rails 864 at each end of the back-rest have sliding connection with a pair of inwardly facing guide members 14, l-l which have the form of metal channel plates flanged at the longitudinal edges and screwed to the inside faces of the horizontal side frame members of the davenport frame, these members 15 extending horizontallyfrom front to rear just below the lower rail 10 of the backrest 2 (Figure Thus in the lowered or normal position of the back-rest it is supported by the back frame 7 with the top rail 9 of the former resting on the top rail of the latteiyand the channel plates 14, 14 in sliding engagement with the upper end portions of the extensions 8a, 8a. The means for effecting raising and lowering of the back-restwill be presently described. I

, Referringjnow to the extensible seat and bed frames, Figures 2 and 3, the former, already identified as a rectangular covered frame, is suitably padded on its top surface as at 8a to provide a resilient supporting surface for the cushions 4, 4. In the normal position as shown in Figures 1 and 3. the seat frame extends the full width ofthe base frame 5, with its front frame member resting edgewise upon the front member of said base frame, and having hinged connection therewith by an arrangement of links and levers at either end; each consists of the following partsi On the inside face of the front frame member 5m of the base base frame is fixed a bracket 16 having an inwardly projecting web to which is pivotally connected the end of a lever 17, having somewhat the shape of a bell crank lever, and having its outer end connected with one end of another lever 18 pivotally connected with a bracket- 19 secured to the inside bottom edge of the seat frame just inwardly from its front edge, Figure 2. Also pivotally connected with the bracket 16 is a straight lever 20 connected at its one end with another lever 21, also having pivotal connection with the bracket 19 on the seat fram Thus the seat frame is hinged to the base frame by two pairs of levers at each end, each pair varying in length and with their points of attachment with the brackets 16 and 19 offset from each other so as to control the movement of the seat frame as it is being swung from closed to extended position. As shown in Figure 2, the seat frame 3 after it has been extended, occupies a horizontal reversed position in front of the base frame 5, with its front edge spaced. a few inches therefrom. In short, the arrangement of levers permits the seat frame to swing t-hro gh 180 degrees, the same time throwing it outwardly from the base frame, thereby adding severa inches to the length of the bed frame supporting structure.

The bed frame 22 in the extended position shown in Figure 2 is elevated a foot or so above the seat and base frames, and is supported thereby through a series of levers presently to be described, whereas the outer end of the seat frame is supported by folding legs which also will be described in due course. 1

Referring to the bed frame, the same consists of longitudinal and transverse metal frame members of angle sections supporting a yieldable lattice or net work of wire or metal strips, af the manner of the ordi narybed or cot Line. The extended frame is full bed length and the width equal to the width of the davenport.

As already indicated, the bed frame is foldable lengthwise from its extended position in which its head end projects beyond the outer end of the extended seat frame to something less than one-half its length, that is, the width of the space within the base frame 5 into which it is folded when the davenport is made up for day use. Thus the longitudinal frame members of the bed frame divid d into four hinged sections from foot to head, namely, a short section 23 hinged at its free end to the horizontal side frame member 15 adjacent the back of the davenport, a long section 24:, another short sect-ion 25 and a second long section 26 at the head end, the several sections on each side being oivotally connected together at their ends through the medium of overlapping extended ears at the ends of the vertical webs of the sections, as shown in Figure 6, thus bringing the ends of the horizontal. webs abutting contact when the sections are flexed to a straight line position. The short well as the long sections differ in reugth; the section 23 at the foot being slightly longer than the intermediate short secti n 25, and the long section between the two s iort ones being longer than the section 26 at the head or outer endof the bed frame. he reason for these differences in length of sections is necessary to permit the bed frame to fold properly within the'space at the bottom of the d'avenport frame, as will presently be shown. I

The bed frame is supported by three sets of levers arranged in pairs along the opposite longitudinal and sectionalframe members, one pair 27 being pivotally connected with the bracket 16m the 'frontof the base frame and connected with the sections 24 at a distance inwardly'from'their outer ends so vthat they stand in substantially vertical position when the bed frame is extended; a secondpair of levers-28 are-connected-with theseat frame substantially midway of its sides and are connected with the intermediate short section near itsouter end. so that the links'stand upright and incline outwardly slightly; and finally a third pair of levers 29 pivotally connected with the'outer bed frame sections 26 just inwardly from the head end, and stand substantially parallel with the intermediate pair of levers 28.

The outer pair of links, however, are not connected directly with the outer end of the seat frame 3, but indirectly through an in'-,

termediate assembly of links which include the. drop le s for said seat frame} This" linka 'e is clearl shown in Fi ures 5 and 6 b o i a (III andwill now be described:

At each outer corner of and secured to the faces of the frame members thereof is an L-shaped plate 30' which in the extended and reversed positionof the.

seat frame faces upwardly. The plate is provided with an angular web 30a lying against the inside face of the end member of the seat frameand at its end is an upright car 305 to which-one end of a curved slotted. lever 31 1S pivoted, this lever extending outwardly toward the front edge of the seat frame where it'terminates in an ear 31a bent inwardly at right angles andabove the upper end of a leg bar, 32 pivotally mounted at-32a to the face of a web 38"integral' with the corner plate 30" and spaced a short distance awayfrom the vertical front edge 'of the seatframe, said web having an arcuate slot 33a of 90 concentric with the pivot pin 32a. .The upper end of the leg bar 32 is connected with the ear 31a of the curved lever 31 by ashort link 34, these partsall swinging in vertical planes'so'tha't'movement im oarted to the curved link swings the leg bar f in contact with the floor (Figure v5) to 'a horizontal position along the edge ofv the ,seat frame. (Figure (3), the latter poslt on being assumed when the seat frame is closed, so that the leg is concealed.

lPivotally connected to the vertical "web,

30a of the corner plate 30 near itsouter corner is a lever 35 lying inside. of thesion of thebed frame.

the seat frame '3 rom 'a' vertical supporting position curved lever 31 and carrying at a point inwardly from its free ends a stud 35w general horizontal direction toward the supporting lever 28 located inwardly from the end of the bed frame and is-pivota'lly con- Y -nected with the same substantially midwayof its ends. And finally the outer frame supporting lever 29 heretofore identified as pivotally connected near the end of the bed frame is pivotally connected at its lowerv end with the lever 35 substantially midway of its ends. The action ofthis arrangement of levers and links will be explained later in: connection with the folding and exten- As previously pointed out, the back-rest 2 is connected with the bed frame and slides upwardly and downwardly as the latter is extended and folded. Figures 2 and 3, this connection is specifically between each side frame member 8 of the back-rest and the adjacent inner end sections 2330f the bed frame, the latter having a triangular shaped plate 38 fixed thereto and extending at right anglesito' provide an arm to the end of which is pivotally connected one end of a connecting link 39, the other end being con'nected with the end of a strap 40 fixed to the inner face of" side frame member 8 just below the rail 10.

"To complete the essential parts: of the assembly, a pair of long coil springs 41, 41

extend from the inner corners of the bedframe downwardly along thesidesof the davenport' end 'frames'to the first pair of, supporting levers 27 for the bed; frame, For 1 As shown in v attaching the ends of the springs 'to these parts,"aplate 42' is fixed to the extreme ends of the bed frame sections 23, and the levers 27 provided with short arms27a near their points of pivotal connection with the brackets 1'6, said plates 42 and ar1ns'27a having holes punched therein-through which the ends of the springs arefhookedt These "springs are normally under tension, but-are I elongated when the bed frame is extended from folded position and thus oppose the V unfolding or extension of the bed frame and assist in the folding thereof. H

Supported upon the bed frame isa mattress 43 of standard quality and thickness and'of thesame dimensions as the bed" fra1ne. At the outer end of the bedframe 'isoa pil-ji low rest or adjustable head board-d44, I 1

consisting of a flat cross bar 44wextending betweenthe ends of a pair of lever arms 44b pivotally mounted on opposite sides-of f the .bed frame and on the outer faces' of the sections 26, 26. A spring 45 connecting the i lower end 'of'eachlever with; the bedframe Y serves" tohold the headboard in raised position 'ust be 0nd and above the outer end of the mattress. This'head board is adapted to be swung inwardly and upon the mattress when the bed frame is about to be folded, thus aiding in holding the mattress in place.

A clear idea'of the position of the several moving parts of the assembly in folded and extended pos'tion as well as their path of movement wil be had from a comparison of Figures 2 and 3 and Figures 5 and 6. Figure '3 shows the parts before the bed is extended and thedavenport made up for day use. It is first to be observed that the back-rest- 2 is in its lowered position with its top rail 9resting upon the upper rail 7a of the baclrframe 7, and, secondly, that the'bed frame is folded back upon itself, with the several hinged sections constituting the side frames arranged in the general form of a hollow rectan le, that is, the inner or foot section 23 is dropped to a vertical position, the two longer sections 24 and 2S extending horizontally in parallel spaced relation with the shortest section 25 extending crosswise of their ends. The mattress 43 is folded double and lies within the space formed by the bed frame sections, While the seat frame rests on the folded bed frame and the cushions 4: upon theseat frame.

vTo convert the davenport into a bed the cushions t are removed, and by grasping a loop 46 attached to the rear edge of the frame and pulling forwardly, said frame is swung upwardly and forwardly by the levers 27. Simultaneously with the movement of the scat framethe bed frame begins to unfold accompanied by a combined endwise shifting and lifting movement as the sets of levers 27, 28 and 29 supporting the bed frame flex the sections thereof into a straightened position, the inner sections 23 alone remaining in the same relative locations except for swinging through a 90 angle from vertical to horizontalposition as their outerends are shifted with the parallel movement of the sections24. lhese inner end sections 23being connected with the vertically sliding back-rest through the arm 38 and link 39 slides the latter bodilv along the back frame 7 so that its lower end is lifted well above the level of the mattress 43, thus permitting the space occupied by the back-rest to be utilized and extendin the bed to the back frame.

' .When the seat frame 3 has been swung upwardly into an upright position the grasp is then shifted fromthe loop 46 to the outer edge of the bed frame and from that point on the effort is exerted in a forward pull until the bed frame reaches its fully cxtended position as shown in Figure 2. It is not thought necessary to trace the swinging movement of the-several groups of links and levers, inasmuch as they swing upwardly and downwardly with the seat and bed frames, their length and points of connection determining the path and final relative positions of theseveral parts. The linkage connecting the outer ends of the frames, however, manner in which the leg-bars 32 are dropped to support the extended structure:

As the seat frame approaches its extended horizontal position in its outwardly swinging movement, the end frame is moving relative thereto in an upward and outwardly direction as already explained, and hence the levers 28 and 29 between the bed and seat frames swing outwardly from a substantially horizontal position to a vertical position between the two frames as shown in Figure 5. Thus lever 28 swings in a counterclockwise direction (to the left) shifting the cross link 37 in the same direction which in turn rocks the intermediate lever 35 toward a vertical position, and sliding the stud 3564 along the slot 36 in the curved lever 31, thereby lifting its outer end to lower the leg-bar 32 into vertical position through the short connecting link 34. In the meantime the lever 29 connected with the outer end of the bed frame and with the intertermediate levers unless there is movement of the seat frame. In short, the relative positions of the parts as shown would occur as the seat frame is being swung over into closed position and not in fully extended position, and hence the seat frame is not in the same position as in Figure 5, but in reality should be reversed. But owing to the difficulty of clear illustration, the same perspective has been used but with the bed frame and levers shifted relative to the seat. Thus in the operation of folding the bed frame the levers swing toward a horizontal position and to the right, the curved link being depressed by the movement of the stud 35a to the far end of the slot 36, thiscausing the leg-bar 32 to be swung upwardly into horizontal position along the rear edge of the seat frame and which in the closed position of the davenport is entirely concealed.

From the foregoing, it will be seen that the present davenport bed construction unites all of the moving parts in such a manner that they shift together into their proper positions under physical effortapplied at one point, and further that advantage has been taken of leverage in the design of theconnecting linkages in order'to reduce the exertion of operation to a minimum.

I claim as my invention: f I 1. A davenport bed comprising a main frame including stationary base and back frames, a seat frame hinged to said base 1 frame, an extenslble bed frame consistlng of pivotally connected sections, levers connect ing said bed frame sections with said base and seat frames whereby the same are simultaneously elevated and extended in the swinging of said seat frame'into open posi-- tion, a back-rest consisting of a frame bearing against said back frame and having rails extending downwardly adjacent each end thereof and slidably mounted in stationary guides on said main frame, and links operatively connecting the adjacent bed section with said back-rest atpoints adjacent the upper portion of saidrails, wherebythe latter is raised and lowered with the movement of said bed section to and from ex-V tended position.

2. A davenport bed comprising a main frame having stationary base, side and back frames, a seat frame hinged to said base member, an extensible bed frame consisting of hinged sections, one of vthe same being pivotally connected to said main frame adjacent thevback frame member, levers connecting the other sections of said bed frame with said seatand base frames, whereby the same are elevated and mo'vedinto horizon tally extended position by the swinging of said seat frame, a back-rest including a frame bearing against said back frame and having rails extending downwardly at opposite ends thereof, channel-shaped guide members fixed to the side frames and engagedv by said rails, and links connecting said firstmentioned pivoted bed frame section with said back-rest adjacent the upper ends of the rails thereof, and operative to raise and lower said back-rest in the pivotal movement of said bed frame section to and from horizontally extended position.

' Signed at Naperville, Ill.,this 14th day of February, 1930.

ADOLPHKNOSHEB.

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