Патент USA US2411278код для вставки
Nov. 19, 1946. L. M. LEAVlTT _2,411,278 ‘ BED-TYPE CHAIR Filed May 28, 1945 è. ""mml'" NHL “lum uw „ Wil I WW M. W.. mv Inventor m- Le g @Mm v2,411,278 Patented Nov. i9, 1946 ’ UNITED' STA-'res ~ PATENT ’ ori-‘ICE ; . 2,411,278 BED-TYPE CHAIR Y l Lillie M.`Leavia, Lakeport, n. H. " Application May 28, 1945, Serial No. 596,196 ' ‘ 1 \ , v 4 Claims. . The present invention relates to a chair which is expressly constructed for use by sick andA bed ridden persons, the same `being especially and suitably designed to occupy a satisfactory posi tion atop the mattress, whereby to provide a con-, venient chair and support for the occupant of the bed. ‘ y - „( c1. 5-7o) i , Although the chairv was expressly constructed, at the time of inception,` for use in connection with hospital beds, it is obviously, and equally well ladapted for use in the home, and places of ‘ convalescence and recreation- members 'I and 8` and suitablyfiattached andV spaced slats 9. The >side members are` mortise‘d, as shown in Figure 4, to accommodate, in‘each instance, the projecting portion I0 of a latch plate II. `The latter is ‘screwed orotherwise fastened in place and the part I0 issocketed. toraccom-f. modate a coil spring I2. The spring servesto‘prol» ject the keeper end‘I3 of the head-equipped latch pin or plunger I4. .. , i . , . The chair A comprisesa pair Iofspaced parallel bottom or base rails I5, these `being adapted to; sit ‘flat on the mattress I6, as shown in Figure .2.l Inwardly of the rear end is a substantially U Brieliy, the preferred chair is characterized by. shaped strap I‘I having its outer end portions se a suitable frame which is adapted to ñt firmly and horizontally on the mattress, this` part of` 15 cured to the top surfaces` ot thenbase'railsJS, the free ends being `upturnedtoprovide accom-L the structure being provided with conñning sides modation ears or lugs I8 to which ¿the hinge Pin and arm-rests .and being .expressly designed to tles I9, on the back-restB, are connected. >This accommodate a tiltably adjustable back-rest. U-strap I'I is the `main means lor" connecting the` ¿More explicitly, the` chair proper comprises a ‘ ’ " pair of spaced, parallel, horizontal rails to rest 20 rails together. . I now call attention» tota plurality of uprights upon themattress, uprights connected to and ris 20, 2| and 22, as seenV in Figurex2,'these hav-` ing from said rails, and auxiliary rails above the ing their inner,~ laterally-directed, lower» ends .23A main‘base rails, said auxiliary rails constituting riveted or otherwise secured .to longitudinally side guards and arm rests, and being constructed at their rear ends to appropriately coniine and 25 spaced >portions ofthe respective base‘rails 1I5.\ adjustably support aÍ'b‘ack-rest, the latter hing Next, I call attentionfto the‘upper lor auxiliary chair rails 24. I provide a pair of these disposed edly connected to the rear end portions of the in parallelism and of angular form. The hori base rail. zontal, inturned ñanges are denoted at 25 and Other objects, features and advantages of the invention will become more readily apparent from y30 are reinforcing elements as well as ledges. The upper ends of the uprights 20, '2l and 22 are the following description and the accompanying riveted to the vertical ñanges of said rails 24. As illustrative drawing. ` In the drawing, wherein like numerals are em ployed to designate like parts throughout the seen in Figure 5, a slide board or suitable plate 26 is provided, it being of general rectangular> 35 form, this part serving as a general utility table. views: Its outer, transverse ends slide on the ledge Figure 1 is a front elevation of a bed chair constructed in accordance with the principles of the present invention showing the same set up and ready for use. , Figure 2 is a side View of same illustrating it positioned on a mattress and also showing the adjustable positions of the back-rest. flanges 25 and said flanges 4have channels 21 formed in their under surfaces. The channels constitute keyways and serve to accommodate the keys or detents 28 carried by the keying cleats 29 bolted or otherwise secured to the under surface of the table board y2li. It will be noted that these flanges 25 stop short of the point occupied by the Figure 3 is a bottom plan View. back-rest B when said back-rest is in perpendicu Figure 4 is an enlarged detail section on the line 4-4 of Figure 2 to show the latch construc 45 lar position, as shown in Figure 2. Thus, the rear or terminal end portions of the rails constitute tion, certain of the parts being omitted for clear-A adapters and are denoted by the numerals 30. ness of illustration. . The curve slightly down and have their free ends Figure 5 is an enlarged View showing how the inturned and riveted to a cross-strap 3|. This ' table board is slidably mounted and held in place. The structure, considered in general language, 50 serves as a rest for the rearmost and inclined position of the back-rest, as shown at the right is characterised by the chair proper denoted at in Figure 2. It is also to be noted that these A and the complemental back-rest, thelatter downturned end portions 30 are provided with denoted at B. The back-rest is the simplest ofl longitudinally spaced apertures which constitute the two parts in form, and comprises a frame embodying vertical members 6, top and bottom 55 keepers 32 for selective reception oi the ends I3 2,411,278 3 of the spring-pressed latch bolts I4. Consequent ly, the hinged back-rest can be adjustably posi tioned and held, at a desired inclination, between the apertured portions 3|) of said chair or aux iliary rails 24. Y It is to be observed that there are no obstruc tions between the outer end portions of the main base rail I5. Consequently, the patient actually sits directlyA onl themattress between said,` rails.,y The uprightsandauxiliary side rails constitute; coniining sides as well as arm rests toaid >in sup porting'tmpatient. The table 26 comes in handy for reading, eating, and other useful purposes.` The back-rest is lightweight, yet sturdy, and easy to adjust, making it possible for the patient to recline to a position of requisite comfort; Finally, my improved chair, with back-_rest and 4 , back rest for selective engagement in said aper tures to adjustably secure said back rest to said side rails. 2. A bed chair of the class described compris ing a pair of spaced, parallel, relatively wide base rails adapted to sit directly and firmly on a bed mattress, uprights connected to and rising from said base rails, auxiliary side rails connected to the „upper ends of said uprights and disposed hor izontally above and parallel-to the base'rails, said auxiliary rails having inturned flanges> forming ledges, said ledges serving as supporting guides, » a table-board slidable on said ledge-guides, side :grooves >extending longitudinally on the under sur face of said ledge guides, retaining plates secured ‘ to‘said table’board and embracing said ledge y guides, and guide portions on said retaining plates side arms, can be used to advantage as a con slidably disposed in said guide grooves. venient support for patients that need a sitting 3. A bed chair of the class described compris position in bed, such as with heart disease. The ing a pair of spaced, parallel, relatively wide base side arms serve as fa protection against falling rails adaptedto sit directly and firmly on a bed sideways when'patients are unconscious or‘vsemi mattress, uprights connected toI and rising from said base' rails, auxiliary side rails connected to - It is thought that persons skilled in the art to the upper ends ofV said uprights and disposed which the invention‘relates will be able to obtain 25 horizontally above and parallel to the base rails, a clear understanding of the invention after con said auxiliary rails having inturned ilanges form sidering the. description in connection- with the ing ledges, said ledges serving as supporting drawing. , Therefore,- a more lengthy. description guides, a table-board slidable on said ledge-guides, is regarded as unnecessary. . Y »- I . the' undersides of said ledge guides having chan 4„Minor 'changes in the shape, size and arrange nels. forming key-ways, and cleats on the under mentof detailsl coming .within the ñeld‘of inven side‘of said table-board, said cleats having de- 4 tionv claimed may be resorted to in actual practice,` tents forming keys and said keys being slidable if desired.v , . Y in said key-ways. conscious. ‘ ' ‘ I » . ’ ' f Y 4. .A bed chair comprising a pair of spaced, ' 1. A bed chair ofv the class described compris ing >an open-bottom chair including a pair of spaced, parallel, relatively wide base rails adapted to sit ñrmly and horizontally on a mattress in order to use lthe mattress asv a seat, said chair including confining sides and arm/rests, >and an adjustably mounted lback-rest, auxiliary side rails, spaced above and'parallel t0 said base rails and curving downwardly at their rear and having a transverse back stop secured to their extrem ities,- a. plurality of apertures in said downwardly 45 curying’portion, and spring extended plungers, manually. retracted, removably _ sockete'd in , said parallel base rails, a U-strap having its end por tions connected to the rear end portions of said base rails and securing said base rails together, the upturned outer ends of said U-strap consti tuting ears, a back-rest having hinge pins Y mounted in said ears,n auxiliary rails, uprights supporting the auxiliary. rails from and above said baserails, the rear end portions of the auxiliary rails being connected together by a stop strip and beingr downturned and apertured, as shown and described. - ' ` LILLIE M. LEAVITT.