|Publication number||US1667982 A|
|Publication date||May 1, 1928|
|Filing date||Jun 4, 1925|
|Priority date||Jun 4, 1925|
|Publication number||US 1667982 A, US 1667982A, US-A-1667982, US1667982 A, US1667982A|
|Inventors||Pearson Royal Washington|
|Original Assignee||Pearson Royal Washington|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (70), Classifications (8)|
|External Links: USPTO, USPTO Assignment, Espacenet|
May 1, .1928. 1,667,982
R. W. PEA RSO N REVOLVING BED Filed June 4, 1925 2 Sheets-Sheet 1 INVENTOR E W/Pmas o/v ATTORNEYS May 1, 1928.
R. w. PEARSON REVOLVING BED Filed June 4, 1925 2 Sheets-Sheet. 2
ATTORNEYS INVENTOR Y K Wfimaso/v Patented May 1, 1928.
UNITED STATES PATENT OFFICE.
ROYAL WASHINGTON PEARSON, OI LAURIUM, IICHIGAN.
Application filed June 4, 1925. Serial No. 84,917.
vide a revolvingbed of the character de scribed in which the means for supporting the patient may be positioned with respect to the patient for permitting the wound or injur to be readily worked upon or octor. l
A further object of my invention is to provide a revolving bed of, the character described which is simple in construction, durby the nurse able and efficient for the purpose intended,
and which is not likely to get out of order easily. a I
Other objects and advantages will appear in the following specification, and the novel features of the invention will be-particularly pointed out in the. appended claim.
y invention is illustrated in the accompanying drawings, forming part of this application, in which Figure 1 is a plan view of the device,
Figure 2 is an end elevation of the device, Figure 3 is a side elevation of the device,
Figure 4 is an enlarged view of the looking means for preventing the rotation of the revolving part of the bed.
In carrying out my invention I provide a frame indicated generally at 1 that is supported by legs 2. If desired, the frame may be used in connection with an ordinary bed (not shown), or the frame itselfmay support the springs and mattress.
Theportion of the bed that is employed for moving the patient into the desired position oons'lstsof a revolvable member A that is supported by adjustable members 3, the
members 3 in the present instance being 1 ingagainst the inner surface strips, preferably made of canvas.
strips of course will be stretched taut when threaded rods. The connection between the revolvable member A and the rods 3 is clearly shown in Figure 4. It will be noted from this figure that the rods 3 carry supporting members 4 for the revolvable member A.
The member A has a shaft 5 that is rotatably' received in the supporting members or castings 4. The shafts 5 are secured in place by a disc 6 that in turn is screwed to'the casting 4. The shaft 5 is prevented from longitudinal movement with-respect to the disc 6 by means of a ratchet 7 that has its hub 8 beer of the disc 6, and a shoulder 9 of the bifurcated end 10 of the shaft 5. From this construction it will be apparent thatthe shafts 5 may be rotated Within the castings 4.
The shafts 5 in turn are connected to the revolvable member A by means of pins 11 and lugs 12 that are carried by sleeves 13. The sleeves are carried by the revolvable member A as will be hereinafter described and permit the member. A to betilted into the inclined position shown in Figure 3.
When the member A is so tilted it may still be rotated so as to dispose the patient in the desired position. e
I will now describe the specific Ineansfor supporting the patient. This means in the present form of the device consists of side bars 14'14,'15-15 (see Figures 1 and 3). The bars have their free ends removabl'y connected to end members 16, the members 16 in turn being mounted upon screw shafts 17.
The shafts 17 extend through the sleeves 13 and are prevented from longitudinal movement with respect to the sleeves. The shafts are provided with left-hand threads at one of their ends and with right-hand threads at their other ends. The shafts are also provided with a square projection 18 and are adapted to receive a crank handle 19 by means of which the shafts 17 may be rotated. When the shafts 17 are rotated in one direction, they will cause the end members16 to move toward each other, and when rotated in the opposite direction, will cause the members to move away from each other.
Between the bars 14 and 15 are dis is'ed ese the bars 14 and 15 are moved in one direction and will be slackened when the bars are moved in the opposite direction. In Figure 2 I show how the strips 20 are adapted to encircle the body of the patient, and in Figure l I show how the strips are spaced from one another so as to permit different portions of the body to be exposed, whereby the nurse or doctor may work on the exposed portion of the body while at the same time the patient is being supported in the desired position. Figure 3 shows how the bars 14 and 15 are provided with a plura-lity of openings 21 therein through which thumb screws 22 extend. The thumb screws 22 are operatively connected to the strips 20 and when the screws are tightened or loosened they will tighten or loosen the canvas strips. The principal tightening and loosening of the canvas strips is accomplished by means of the screw shafts 17, while the minor adjustment is accomplished by means of the thumb screws 22. The thumb screws also permit the strips 20 to be removed and new ones substituted therefor.
The patient is normally supported by the lower strips and the upper strips are used only when the patient is inclined to a certain position where he will likely roll oft or where the patient is turned completely over and is being supported by the strips that formerly passed over him.
The specific means employed for locking the revolvable member A at any position desired is shown in Figure 4. In this figure the ratchet 7 is provided with square teeth into which a projection 23 of a catch 24 is adapted to be received. The catch 24 is pivotally secured to the casting 4 at 25 and is held in engagement with the ratchet by means of gravity. hen the catch is swung out of engagement with the ratchet and into a position where. it will lean against the threaded rod 3, gravity will hold the catch in this position. It will be noted from Fig ure 1 that the casting has an opening 26 which receives the projection 23, and thus permits the projection to enter any one of the recesses in the ratchet 7.
The rods 3 are received in the threaded bores 27 in the castings 4c and are adapted to hold the castings in adjusted position. Hand wheels 28 are secured to the top of the rods 3 and are adapted to rotate the rods so as to move the castings 4 along the rods. From Figure 2 it will be noted that the lower ends of the rods 3 are received in a socket 29 of a cross member 30. The cross member in turn is journalled in bearings 31 carried by the frame 1. In this way I provide novel means for permitting the rods 3 to be inclined when either end of the revolvable member A is raised with respect to the other end. The legs 2 extend to a sufiicient distance above the frame l and are provided with cross members 32 that prevent the outward swinging of either one of the rods 3.
From the foregoing description of the various parts of the device, the operation thereof may be readily understood. The stretcher or member A is disposed in the desired position so as to receive the patient. The ratchets 7 are locked in place by means of the catchers or pawls 21-. The patient may now be placed upon the stretcher. The top side rods 14 may then be disposed in place and connected to the end members 16 by means of pins 33. The pins 33 are used for all of the rods so as to permit any of the rods to be removed if desired. The sides of the stretchers let and 15 may be moved toward each other so as to bring the sides closer to the patient. A sheet may now be placed over the patient and openings made in the sheet where the places of injury are located. The sides of the sheet are folded close to the body of the patient so as to make it as comfortable as possible for the patient. The strips are now placed over the patient and are secured in place by means of the thumb screws 22. After the upper strips are secured in place by means of the thumb screws. the screw shafts 17 are actuated so as to tighten the strips about the body of the patient. The stretcher may now be moved into the desired position.
To effect the upward movement of the stretcher, the hand wheels 28 are actuated. If one of the hand wheels be rotated more than the other, the stretcher may be inclined so to tilt the body of the patient. The body of the patient may also be rotated partially, this being accomplished by releasing either one of the ratchets 7 and then temporarily releasing the other ratchet so as to permit the stretcher to he revolved into the position desired. The last named ratchet may be then locked in place by its pawl 24, whereby the stretcher is prevented against further movement. As heretofore stated. the strips may be disposed at any place desired along the bars 14 and 15 so as to expose the injured parts of the body. In this way the injured part of the body may be brought into a position where the doctor or nurse may readily work upon the same.
It. should be noted that the device can be used alone or attached to almost any type of bed. Furthermore the stretcher is so connected to the frame of the device that it is adapted to turn the patient from back to face, or face to back, or to incline the patient in any desired position. Furthermore the 3 body of the patient may be turned so as to eliminate bed sores and to also relieve the patient when he becomes tired from being too long in a cramped position. It will also be noted that the device is adapted to support the patient and yet permit the free circulation of air to the injured parts. The
device may also be used when changing the,
sheets of a bed when the patient himself 5 is to weak to move.
I claim: A device of the type described comprising a frame, threaded rods rotatably carried by said frame, internally screw threaded cast 1. ings disposed concentrically with said rods and adapted to be elevated by the rotation of said rods, ratohets rotatably disposed within said castings, a patient-supporting member disposed between said castings, means for securing said patient-supporting member to said ratchets, and means for rigidly holding said ratchets in any desired position.
ROYAL WASHINGTON PEARSON.
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|U.S. Classification||5/608, 5/220, 5/937, 5/610|
|Cooperative Classification||A61G7/001, Y10S5/937|