Invalid s convertible chair and bed
US 328944 A
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' 2Sheets-Sheet 1. P. G. S. HENDERSON.
INVALIDS CONVERTIBLE CHAIR AND BED. No. 328,944.
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P. '0. S. HENDERSON. INVALIDS CONVERTIBLE CHAIR AND BED. No. 328,944
Patented Oct. 27, 1885.
WITNESSES I UNITED STATES PATENT rEieE.
PATRICK CHARLES STEAVEN HENDERSON, OF PORTLAND, MAINE.
SPECIFICATION forming part of Letters Patent No. 328,944, dated October 2'7, 1885.
Application filed July 22, 1885. Serial No. 172.334. (No model.)
To all whom it may concern.-
Be it known that I, PATRICK O. S. HEN DERSON, a citizen of the United States, residing at Portland, in the county of Cumberland and State of Maine, have invented certain new and useful Improvements in Invalids Gonvertible Chairs and Beds; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to improvements in invalids beds such as used in hospitals; and it consists in adapting such a bed to be used as a chair.
In the accompanying drawings, illustrating my invention, in which similar letters of reference indicate like parts in the different figures, Figure 1 is a side elevation showing how the bed is used when the occupant or patient is in the sitting posture. Fig. 2 is a top plan view, and Fig. 3 is an end elevation showing the mechanism for operating and sustaining the movable parts. Fig. 4 is a side elevation of the bed, showing the position of the parts when the patientis in horizontal position. Fig. 5 is aperspective view of the mattress detached from the bed.
The letterA designates themain bed-frame, which is constructed substantially as in the common bed. To the side rails, B, are pivoted the side bars, 0, of what I shall term the chair-frame. To give strength,this chairframe may be provided with transverse rounds or rods, such as used in ordinary chairs. A strong piece of cloth, canvas, or a very thin mattress, D, is secured within thebed-frame to the foot-board and side rails thereof up to the pivotal points of the chair-frame, from which points the said cloth or canvas is secured to the chair-frame to its ends. This piece D is pro-' vided with slits a, through which the legs of the patient project when in the sitting posture. This piece D may also be provided with an opening, I), for obvious purposes.
Eis a thick mattress supported on a light frame, E, and suspended beneath the piece D by means of cords e, which pass around pulleys f on the bed-frame to a small windlass or bar, journaled in the bed-frame. This windlass or bar has a squared end, 71, upon which fits a crank or lever, whereby the mattress is raised or lowered. For retaining the mattress in any position to which it is adjusted, I employ a pawl-and-ratchet mechanism, 0.
The lower ends of the legs or bars O of this windlass being the same as those for the mattress, no further description of them seems necessary.
Referring now to Fig. 5, the mattress'E may be constructed with a hole or concavity, b, to align with the opening I) in the canvas bottom D. This hole is to receivea vessel for use of the patient, and when the hole is not so in use it may be filled with a correspondinglyshapcd piece or plug, d.
The operation and use of my bed are as follows: \Vhen the patient desires to lie in the horizontal position, the thick mattress E is elevated to bear against the piece D, as seen in Fig. 4,when it will form the desirable soft or yielding surface upon which to rest, as in ordinary mattresses. WVhen the patient or occupant wishes to assume the sitting posture, the mattress E is lowered and the chair-frame is turned on its pivots to the desired inclina tion, and the patient allows his legs to project through the slits a, and his feet rest upon the lowered mattress, as clearly shown in Fig. 1. The adjusting of these parts is necessarily performed by the attendant or physician.
It will be seen that my invention will be particularly useful in hospitals, where many patients are often so crippled or ill that they can not be conveniently taken from their beds.
Any obvious modification or location of the means for operating the movable parts of my invention may be employed without departing from the spirit of my invention.
If desirable, the piece between the slits in the piece or thin mattress D may be detachable at its connection with the foot-board.
Having now described my invention,what I claim, and desire to secure by Letters Patent, 155-- 1. A bed-frame, the chair-frame pivoted within said bedframe, a cloth or thin mattress secured in said bed-frame and to the pivoted chairframe,and slits or openings in said piece D for the legs of the occupant, combined with mechanism for adjusting and retaining said chair-frame in position, substantially as described.
2. A bed-frame, the chair-frame pivoted chair-frame, and slits or openings in said piece within said bed-frame, a cloth or thin mattress,
In testimony whereof I affix my sign ature in D,secured in said bed frame and to the pivoted presence of two Witnesses.
D for the legs of the occupant, combined with a thick mattress, E, suspended beneath said piece D, and means for adjusting and supporting said chair frame, substantially as de- PATRICK CHARLES STEAVEN HENDERSON".
J OHN LAMY, scribed. SARAH HENDERSON.