GB2227934A - Bath elevating mechanism - Google Patents
Bath elevating mechanism Download PDFInfo
- Publication number
- GB2227934A GB2227934A GB8902754A GB8902754A GB2227934A GB 2227934 A GB2227934 A GB 2227934A GB 8902754 A GB8902754 A GB 8902754A GB 8902754 A GB8902754 A GB 8902754A GB 2227934 A GB2227934 A GB 2227934A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bath
- elevating mechanism
- tub
- supports
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
- A61G7/1003—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications mounted on or in combination with a bath-tub
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1013—Lifting of patients by
- A61G7/1019—Vertical extending columns or mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1049—Attachment, suspending or supporting means for patients
- A61G7/1057—Supported platforms, frames or sheets for patient in lying position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/32—Specific positions of the patient lying
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Devices For Medical Bathing And Washing (AREA)
Description
Bath Elevating Mechanism This invention relates to an elevating 5
mechanism for a bath and to a bath equipped with an elevating mechanism.
It is known to provide elevating mechanisms for baths. Such mechanisms are used to raise the bath so that an attendant can wash an invalid while the bath is in an elevated position and, therefore, without the discomfort of having to kneel or bend over. Baths equipped with these known mechanisms are usually found in nursing homes and hospitals where a number of invalids may have to be bathed on any one day.
The known elevating mechanisms comprise a power operated lifting device housed in a cabinet located at one end of the bath and cantilevered arms connected to the lifting device and extending beneath the bath. It will be readily appreciated that with this arrangement the arms have to be very strong in order to support the combined weight of a water filled bath and an invalid, not to mention the weight of an attendant leaning on the bath. Also, the cabinet requires a space at the end of the bath and this is not always available.
The cabinet is also unsightly.
In seeking to mitigate these drawbacks, the invention in one aspect provides a bath elevating mechanism comprising a mounting frame forming part of a bath-tub or arranged to receive a bath-tub thereon, two is ground engageable supports at or adjacent to opposite ends or sides of the frame, respectively, and means for raising and lowering the frame relative to the supports.
Preferably, the frame has parts slidable relative to the ground engageable supports to guide the frame as it is raised or lowered relative to the supports.
Advantageously, the lifting means comprises two power operated lifting devices mounted between the frame and the respective supports, the two lifting devices being arranged to operate in unison so as to keep the frame at a constant attitude to the ground as it is raised or lowered relative to the supports.
Conveniently, the ground engageable supports each include a hollow upstanding column and the lifting devices are at least in part accommodated in respective columns.
Conveniently, the lifting devices are hydraulically operated piston and cylinder units, in which case one of the units may be a master unit extendable by pressurised fluid supplied by a motor driven pump and the other unit may be aslave unit extendable by pressurised fluid supplied by the master unit.
Conveniently, each ground engageable support has adjustable feet forlevelling the bath elevating mechanism.
Preferably, the elevating mechanism is 1 arranged to occupy no greater f loor area than the area bounded by the peripheral edge of a bath-tub for which it is designed.
In another aspect, the invention provides a bath equipped with an elevating mechanism according to said one aspect of the invention.
Preferably, the elevating mechanism is disposed entirely beneath a tub of the bath and is concealable at least for the most part behind bath panels when in a lowered position.
In yet another aspect, the invention provides an elevatable bath comprising a bath-tub, two ground engageable supports at or adjacent to opposite ends or sides of the bath-tub, respectively, and means for raising and lowering the bath-tub relative to the supports.
Preferably, the bath-tub has parts slidable relative to the ground engageable supports to guide the bath-tub as it is raised or lowered relative to the supports.
In a further aspect, the invention provides a bath equipped with an elevating mechanism, wherein the elevating mechanism is disposed entirely beneath a tub of the bath.
The invention will now be more particularly described, by way of example only, with reference to the accompanying drawings, in which:
Figure 1 is an exploded perspective view of a bath equipped with one embodiment of an elevating mechanism according to said one aspect of the invention, and Figure 2 is a side elevation of the bath shown in Figure 1 in a lowered position, and Figure 3 is a diagram showing the hydraulic circuit of the elevating mechanism of Figure 1.
Figures 1 and 2 show a bath-tub 10 equipped with an elevating mechanism 11. The elevating mechanism 11 comprises a frame 12, two ground engageable supports 13 and 14, two hydraulic piston and cylinder units 15 and 16, and a motor driven pump 17.
The frame is of rectangular shape and has side members 12a, end members 12b, cross members 12c and a connecting member 12d between one of the cross members 12c, and the adjacent end member 12b.
A slider block 18 is secured to or formed integrally with each end member 12b. Each slider block 18 has a vertically extending guide passage 19 of T-shaped cross-section and two upstanding posts 20a joined at their upper ends by a bridge piece 20b.
Each ground engageable support 13. 14 has an elongate base 21 of angled section, a hollow, upstanding column 22 of T-shaped cross-section, and two adjustable feet 23. The central limb 22a of each column 22 is hollow.
The slider blocks 18 are mounted on respective columns 22. so that the columns 22 extend through respective guide passages 19 and guide the slider blocks 18 in upward and downward movement.
The hydraulic units 15 and 16 are mounted in respective hollow limbs 22a of the upstanding columns 22, the lower ends of the piston rods of the units 15 and 16 being connected to the lower ends of respective columns 22 and the upper ends of the cylinders of the units 15 and 16 being connected to respective bridge pieces 20b.
Thus, by extending the piston and cylinder units 15 and 16, the frame 12 will be raised.
The bath-tub 10 is mounted on and secured to the frame 12 with the bridge pieces 20b lying just below the rim 24 of the bath-tub 10, and the motor driven pump 17 is secured to the upper face of connecting member 12d.
The frame 12 together with the slider blocks 18 has an overall length which is approximately the same as, but not greater than, the length of the bath-tub 10 and the width of the frame 12 is approximately equal to. but not greater than. the width of the bath-tub 10. The elevating mechanism 11 therefore occupies no greater floor area than the area bounded by the peripheral edge of the bath-tub and for the most part is concealable behind bath panels (not shown) when in a lowered position.
The piston and cylinder unit 15 is a master unit and the piston and cylinder unit 16 is a slave unit. As shown in Figure 3, the pump 17 communicates with the upper chamber of the cylinder of the unit 15. The lower chamber of the cylinder of the unit 15 communicates with the upper chamber of the cylinder of the unit 16 and the lower chamber of the cylinder of the unit 16 communicates with a reservoir 25. The internal cross-sectional area of the cylinder of the unit 16 is equal to the internal cross-sectional area of the cylinder of the unit 15 less the cross-sectional area of the piston rod of the unit 15. Thus as the pump 17 draws fluid from the reservoir 25 and supplies this to the upper chamber of the unit 15 to extend the unit 15, the fluid forced out of the lower chamber of the unit 15 will extend the unit 16 at an equal rate to maintain the frame 12 at a constant attitude. To lower the frame 12 from an elevated position, a valve 26 can be opened so that f luid in the upper chamber of the cylinder of the unit 15 is drained to the reservoir 25 whilst f luid is drawn from the reservoir into the lower chamber of the cylinder of the unit 16.
The bath-tub 10 may be f itted with taps (not shown) connected to hot and cold water supplies via flexible hoses. Alternatively, the bath-tub may be supplied with water from wall mounted taps. The bath-tub 10 has a drain hole connected to a drain pipe by a flexible hose.
As shown in Figure 1, the base 21 of the ground engageable support 14 is not as long as the base of the ground engageable support 13. This is to allow a chassis of a mobile invalid hoist to straddle the support 14.
The embodiment described above is given by way of example only and various modifications will be apparent to persons skilled in the art without departing from the scope of the invention. For example, the slider blocks could be secured to or integral with the bath in which case a frame as such may not be necessary.
The ground engageable supports could be provided at or adjacent to opposite sides, and not ends, of the frame or bathl. The ground engageable supports could be connected together. Any other appropriate lifting means could be provided between the ground engageable supports and the frame or bath.
Claims (14)
1. A bath elevating mechanism comprising a mounting frame forming part of a bath-tub or arranged to receive a bath-tub thereon, two ground engageable supports at or adjacent to opposite ends or sides of the frame, respectively, and means f or raising and lowering the frame relative to the supports.
2. A bath elevating mechanism as claimed in Claim 1, wherein the frame has parts slidable relative to the ground engageable supports to guide the f rame as it is raised or lowered relative to the supports.
3. A bath elevating mechanism as claimed in Claim 1 or Claim 2, wherein the raising/lowering means comprises two power operated lifting devices mounted between the f rame and the respective supports, the two lif ting devices being arranged to operate in unison so as to keep the frame at a constant attitude to the ground as it is raised or lowered relative to the supports.
4. A bath elevating mechanism as claimed in Claim 3, wherein the ground engageable supports each include a hollow upstanding column and the lifting devices are at least in part accommodated in respective columns.
5. A bath elevating mechanism as claimed in Claim 25 3 or Claim-. 4, wherein the lifting devices are hydraulically operated piston and cylinder units.
6. A bath elevating mechanism as claimed in Claim 5, wherein one of the piston and cylinder units is a 1 -g- master unit extendable by pressurised fluld supplied by a motor driven pump and the other piston and cylinder unit is a slave unit extendable by pressurised fluid supplied by the master unit.
7. A bath elevating mechanism as claimed in any one of the preceding claims, wherein the elevating mechanism is arranged to occupy no greater floor area than the area bounded by the peripheral edge of a bath-tub for which it is designed.
8. A bath equipped with an elevating mechanism according to any one of the preceding claims.
9. A bath as claimed in Claim 8, whereinthe elevating mechanism is disposed entirely beneath a tub of the bath and is concealable at least for the most part behind bath panels when in a lowered position.
10. An elevatable bath comprising a bath-tub, [two ground engageable supports at or adjacent to opposite ends or sides of the bath-tub, respectively, and means for raising and lowering the bath-tub relative to the supports.
11. A bath as claimed in Claim 10, wherein the bath-tub has parts slidable relative to the ground engageable supports to guide the bath-tub as it is raised or lowered relative to the supports.
12. A bath equipped with an elevating mechanism, wherein the elevating mechanism is disposed entirely beneath a tub of the bath.
13.
A bath elevating -mechanism substantially as hereinbefore described with reference to accompanying drawings.
14. An elevatable bath substantially as hereinbefore described with reference to the accompanying drawings.
1 Published 1990 atThePatentOffice, State House. 6671 High Holborn. London WC1R4TP. Further copies maybe obtalnedfrom The Patent Office. Sales Branch, St Mary Cray. Orpington, Kent BRS 3P.D. Printed by Multiplex techniques ltd, St mary Cray. Kent, Con. 1'87
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8902754A GB2227934A (en) | 1989-02-08 | 1989-02-08 | Bath elevating mechanism |
EP90300716A EP0382372A1 (en) | 1989-02-08 | 1990-01-23 | Bath elevating mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8902754A GB2227934A (en) | 1989-02-08 | 1989-02-08 | Bath elevating mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8902754D0 GB8902754D0 (en) | 1989-03-30 |
GB2227934A true GB2227934A (en) | 1990-08-15 |
Family
ID=10651297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8902754A Withdrawn GB2227934A (en) | 1989-02-08 | 1989-02-08 | Bath elevating mechanism |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0382372A1 (en) |
GB (1) | GB2227934A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5289598A (en) * | 1993-02-03 | 1994-03-01 | Madson Jr Lawrence E | Whirlpool bath with removable tank |
US5335375A (en) * | 1993-02-03 | 1994-08-09 | Madson Jr Lawrence E | Whirlpool bath with a tank with recessed sump |
WO1997015222A1 (en) * | 1995-10-25 | 1997-05-01 | Onge Page B | Telescoping bathtub assembly |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB951970A (en) * | 1961-09-04 | 1964-03-11 | Rudolph Burton Fielding | Improvements in or relating to baths |
GB1099254A (en) * | 1965-06-16 | 1968-01-17 | Electrolux Ab | Apparatus for lifting and lowering a bath tub |
GB1226753A (en) * | 1967-03-31 | 1971-03-31 | ||
GB1550760A (en) * | 1977-04-14 | 1979-08-22 | Carron Co | Cradle supports for baths |
GB1572798A (en) * | 1977-03-21 | 1980-08-06 | Trent Valley Eng Ltd | Supports for domestic baths and combinations of parts for assembly as such supports |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT346533B (en) * | 1976-03-01 | 1978-11-10 | Hans Arne Valentin Johansson | LIFTING DEVICE |
FR2515500A1 (en) * | 1981-11-03 | 1983-05-06 | Selaudoux Michel | Pneumatic height adjuster for domestic bath - uses four hydraulic cylinders under pneumatic control to raise and lower bath under control of user |
DE3202525C2 (en) * | 1982-01-27 | 1984-04-26 | Peter 7830 Emmendingen Jordt | Height-adjustable bathtub |
-
1989
- 1989-02-08 GB GB8902754A patent/GB2227934A/en not_active Withdrawn
-
1990
- 1990-01-23 EP EP90300716A patent/EP0382372A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB951970A (en) * | 1961-09-04 | 1964-03-11 | Rudolph Burton Fielding | Improvements in or relating to baths |
GB1099254A (en) * | 1965-06-16 | 1968-01-17 | Electrolux Ab | Apparatus for lifting and lowering a bath tub |
GB1226753A (en) * | 1967-03-31 | 1971-03-31 | ||
GB1572798A (en) * | 1977-03-21 | 1980-08-06 | Trent Valley Eng Ltd | Supports for domestic baths and combinations of parts for assembly as such supports |
GB1550760A (en) * | 1977-04-14 | 1979-08-22 | Carron Co | Cradle supports for baths |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5289598A (en) * | 1993-02-03 | 1994-03-01 | Madson Jr Lawrence E | Whirlpool bath with removable tank |
US5335375A (en) * | 1993-02-03 | 1994-08-09 | Madson Jr Lawrence E | Whirlpool bath with a tank with recessed sump |
WO1997015222A1 (en) * | 1995-10-25 | 1997-05-01 | Onge Page B | Telescoping bathtub assembly |
US5940902A (en) * | 1995-10-25 | 1999-08-24 | Onge; Page B. | Telescoping bathtub assembly |
Also Published As
Publication number | Publication date |
---|---|
GB8902754D0 (en) | 1989-03-30 |
EP0382372A1 (en) | 1990-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |