US2368390A - Electric invalid hoist - Google Patents

Description

Jan. 30, 1945. H. A. WINTER 2,368,390

ELECTRIC, INVALID HOISTS Fil'ed Jan. 31, 1944 INVENTORQ HEM? YA. M/VTER B 1477' ORA/E Y Patented Jan. 30, 1945 t v v UNITED STATES PATENT OFFICE 2,368,390 v i I ELECTRIC INVALID HOIST Henry A. Winter, Denver, Colo.

' Application January 31, 1944, Serial No. 520,527 1 Claim. (01. 5' se) This invention relates to a self-operated insuspension ring 26. The chair comprises a recvalid lift, and has for its principal object the tangular top frame 21 suspended from the ring provision of a simple and highly eflicient device 26 upon suitable supporting straps 28. Aplurahty by means of which an invalid can lift and transof strap hangers 29 depend from the frame 21 port himself from a bed, and lower himself into a 5 terminating in seat hooks 30. Between two of chair such as a wheel chair, or the like, without these hangers back straps 3I extend to form a ithou ur or disturb- 'back rest for the patient.

2322 3) il ii i sgi gfiti gog t m3 y A seat plate 32 is detachably attached to the. Other objects and advantages reside in the deseat hooks 30 by means of suitable strap rings tail construction 'of th invention, which is de- 33. The seat plate is preferably provlded with a signed for simplicity, economy, and efficiency. seat cushion 34. A leg rest plate 40 is hlnged, as These will become more apparent from the folshown at 36, to the forward extremity of the seat lowing description. plate 32 and is preferably provided with a suit- In the following detailed description of the inable cushion 35 attached thereto. The leg plate vention reference is had to the accompanying 5 is supported by means of detachable leg rest drawing which forms a part hereof. Like nustraps 31 from the frame 21. The leg rest straps merals refer to like parts in all views of the drawterminate in hooks 38 Which en a yes 39 at ing and throughout the description. the forward extremity of the leg rest to support In the drawing: the latter in a horizontal position when desired.-

, Fig. 1 is a side view of the improved invalid In use, the patient engages the chair portion hoist, illustrating it in position for use; 0f the device, and d aws it ver the bed to one Fig. 2 is a perspective view of the supporting side of his position therein. He then pull the c a r employed i t t; n proper control cable 22 to cause the hoist to lower Fig. 3 is a detail view of the legportion of the the chair to the bed and then unhooks the adjahoist support cent hook and 38. The patient may then lift In Fig. 1, the invalids bed is indicated at It, himself onto the cushions 34 and by pulling a wheel chair at II; and an electric outlet at I2. upon the depending strap 29 or, if his condition The improved invalid hoist is mounted on an indoes not permit this, he can s mply r l over nt verted, U-shaped, supporting frame I3 consisting the cushions. He now draws himself to a sitting of a horizontal bar terminating in two down- 80 position, and attaches all'of the hooks 30 and 38. wardly turned supporting legs. I By pulling the proper control cable 22 he now The legs terminate in T-shaped foot frames causesthe hoist I 9 to lift the chair from the I4, which are preferably mounted on supporting bed. When the chair is clear of the bed, the pacaster wheels I5. The caster wheels allow the tient can engage the latter with his hands to frame to be wheeled to any desired position across 35 cause the cradle It to travel along the horizontal the bed In and chair II, as indicated in Fig. 1. bar of the frame to a position overthe wheelchair A carrying cradle 5 provided it gropved II. The proper control cable 22 is now operated supporting wheelsl'lis mounted on the horizontal to cause the hoist to lower he su pen ed p portion of the supporting frame I3, so that it is tients chair onto the wheel chair II.

free to travel therealong. Suitable stop collars 40 When the tension has been released on all of I8 are provided to prevent the cradle from leaving the supporting straps, the latter may be unhooked the horizontal portion of the frame. An electriand the patient is free to wheel himsel cally operated hoist I9 is suspended from the desired location. The return to the bed is accomcradle I6 by means of a suitable detachable plished by a simple reversal of the above procehook 20. dure.

The hoist I9 may be any of the available vari- While a specific form of the improvement has eties on the market. Such hoists are provided been described and illustrated herein, it is desired with an electric motor 2|, control cables 22, anda to be understood that the same may be varied, suitable electric conductor cord 23. The cord 23, withinthe scope of the appended claim, without in this instance, is plugged into the outlet I2. departing from the spirit of the invention.

The hoist operates through suitable reduction Having thus described the invention, what is gears and sprockets to raise and lower a lifting claimed and desired by Letters Patent is: chain 24 terminating in a suspension hook 25. An invalid hoist comprising: a single member The patients chair illustrated in Fig. 2 is sushaving an inverted U-shaped outline forming pended from the hook 25 by means of a suitable two vertical supporting legs and a horizontal cross-bar; a wheeled cradle free to travel on said cross-bar; a hoisting mechanism detachably suspended from said cradle; a rectangular top frame; flexible straps extending inwardly from each corner of said frame to a detachable connection with said hoisting mechanism; strap hangers depending from each corner of said rectangular frame; a rectangular seat suspended at each corner from one of said hangers; a leg rest hinged along the forward edge of said seat; leg rest straps extending from said rectangular frame to a detachable connection with the forward edge of said leg rest to support the latter in a horizonta1 position; and back straps extending between two of said hangers to form a back rest forsaid seat.

HENRY A. WINTER.

Images