US3694829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Patient lifting apparatus
Assignee: Individual
•
Filing: 1970-03-18
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Granted: 1972-10-03
•
Expires: 1990-03-18
Abstract
Abstract A patient lifting apparatus comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column to which a lifting apparatus comprising a system of parallel rods is attached, on the free end of which system of parallel rods suspension means for supporting the patient are provided.
Inventors
- 👤 Johannes Petrus Bakker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:38
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1017; A61G7/104; A61G7/1044; A61G7/1046; A61G7/1049; A61G7/1061; A61G7/1063; A61G7/1067; A61G7/1073; A61G7/1082; A61G7/1096; A61G2200/00; A61G2200/30; A61G2200/34; A61G2200/50; A61G2200/52; A61G7/1001; A61G7/1003; A61G7/1076
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
331 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspension means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached, from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingeably suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upper leg portions adjacent the hollows the knees of the patient, and with stop support means for the knees of the patient, the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, which lifting apparatus is driven by a vertically disposed hydraulic power cylinder, which with its lower end rests on a spring-loaded resting plane, an oil return valve operated by a lever being mounted on said cylinder, the resting plane, when said lifting apparatus approaches a fixed stop through the weight of a patient supported in the suspension means, in such a manner that the lever, during operation, can only be opened temperately, while when the lifting apparatus is not loaded by a patient, the stop rises as a result of the spring load, so that the lever arrives at a position with respect to the stop in which the oil return valve can be further opened, which lever is provided with a handle with which the oil return valve can be entirely opened except for the operation of said stop, which lever is urged to a position, owing to a spring, by which the oil return valve is entirely closed.
Claim 2
Dependent Claim
331 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspension means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached, from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingeably suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upper leg portions adjacent the hollows the knees of the patient, and with stop support means for the knees of the patient, the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, which lifting apparatus is driven by a vertically disposed hydraulic power cylinder, which with its lower end rests on a spring-loaded resting plane, an oil return valve operated by a lever being mounted on said cylinder, the resting plane, when said lifting apparatus approaches a fixed stop through the weight of a patient supported in the suspension means, in such a manner that the lever, during operation, can only be opened temperately, while when the lifting apparatus is not loaded by a patient, the stop rises as a result of the spring load, so that the lever arrives at a position with respect to the stop in which the oil return valve can be further opened, which lever is provided with a handle with which the oil return valve can be entirely opened except for the operation of said stop, which lever is urged to a position, owing to a spring, by which the oil return valve is entirely closed.
Claim 3
Dependent Claim
59 words
A patient lifting apparatus according to claim 1, which lever is connected with a fixed point on the piston rod of the power cylinder by means of a drawing element, in such a manner that when the piston rod arrives at a maximal position, the lever is moved in such a manner that the oil return valve is moved.
Claim 4
Dependent Claim
184 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspEnsion means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached, from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingeably suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upper leg portions adjacent the hollows of the knees of the patient, and with stop support means for the knees of the patient, the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, which lever can be adjusted with respect to the oil return valve.
Claim 5
Dependent Claim
184 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspEnsion means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached, from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingeably suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upper leg portions adjacent the hollows of the knees of the patient, and with stop support means for the knees of the patient, the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, which lever can be adjusted with respect to the oil return valve.
Claim 6
Dependent Claim
121 words
A patient lifting apparatus comprising an undercarriage, a vertical column and parallel rods associated therewith, adjustable lifting means for moving said parallel rods relative to said vertical column, bridge means connected to said parallel rods, patient suspension means having upper patient support means connected to said bridge, and lower patient support means connected to an arm hinged to said bridge in a vertical plane, and stop and catch means associated with said bridge means and said vertically hinged arm, whereby said catch means automatically pivotally engage when said hinged arm is swung downward and the patient is held in a substantially seated position and whereby when said catch means are pivotally disengaged the patient is placed in a substantially lying position.
Claim 7
Dependent Claim
121 words
A patient lifting apparatus comprising an undercarriage, a vertical column and parallel rods associated therewith, adjustable lifting means for moving said parallel rods relative to said vertical column, bridge means connected to said parallel rods, patient suspension means having upper patient support means connected to said bridge, and lower patient support means connected to an arm hinged to said bridge in a vertical plane, and stop and catch means associated with said bridge means and said vertically hinged arm, whereby said catch means automatically pivotally engage when said hinged arm is swung downward and the patient is held in a substantially seated position and whereby when said catch means are pivotally disengaged the patient is placed in a substantially lying position.
Claim 8
Dependent Claim
76 words
A patient lifting apparatus according to claim 4, whereby said lifting means comprises a pump which is spring mounted on said undercarriage, an oil return valve associated with said pump operated by a lever, adjustable stop means associated with said lever and said undercarriage, whereby the weight of a patient acts to reduce the distance which the lever may be moved and the oil return valve may be opened and whereby the patient''s descent is controlled.
Claim 9
Dependent Claim
97 words
A patient lifting apparatus according to claim 4, whereby said lifting means comprises a pump which is spring mounted on said undercarriage, an oil return valve associated with said pump operated by a lever, regulator means associated with said lever and said oil return valve whereby lever movement may be adjusted according to valve opening, adjustable stop means associated with said lever and said undercarriage, whereby the weight of a patient acts to reduce the distance which the lever may be moved and the oil return valve may be opened and whereby the patient''s descent is controlled.
Claim 10
Dependent Claim
34 words
A patient lifting apparatus according to claim 4, whereby said lifting means has pump travel limit means associated with said lever and said pump to control the maximum travel of the pump lifting means.
Claim 11
Dependent Claim
23 words
A patient lifting apparatus according to claim 4, whereby said bridge means are rotatably mounted on the free end of the lifting apparatus.
Claim 12
Dependent Claim
24 words
A patient lifting apparatus according to claim 4, wherein said hinged arm has adjustable and removable knee supports mounted on the free end thereof.
Claim 13
Dependent Claim
19 words
A patient lifting apparatus according to claim 4, in which the vertical column is detachably mounted in the undercarriage.
Claim 14
Dependent Claim
117 words
A patient lifting apparatus according to claim 4, wherein the undercarriage comprises a pair of beam members, a plurality of swivel wheels mounted thereon, a pair of parallel rod systems located in a plane perpendicular to said beams, central portion means connecting said parallel rod systems and adapted to receive the vertical column mounted on the undercarriage, a sleeve member also adapted to receive said vertical column, adjustment means mounted on said central portion means whereby said sleeve member can be moved relative to said vertical column, and a pair of parallel rod systems connecting said sleeve member to said beam members whereby the distance between the centraL portion means and the beam members may be varied.
Claim 15
Dependent Claim
297 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspension means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached, from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingeably suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upper leg portions adjacent the hollows of the knees of the patient, and with stop support means for the knees of the patient; the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, in which the rod in the utmost hinging position, belonging to a substantially seating position of the patient can be fixed by means of stop and catch means, in which the stop and catch means are provided with a roll attached to the stationary bridge and with a catch hingeably connected to the arm in the hinge plane of the arm, which catch is urged to an utmost position by spring means, in which utmost position the catch rests with its head plane against the roll, which catch is provided with a handle means of which it can be brought out of engagement with the roll, so that the arm can hinge and the patient can move from a seating position to a lying position.
Claim 16
Dependent Claim
297 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspension means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached, from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingeably suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upper leg portions adjacent the hollows of the knees of the patient, and with stop support means for the knees of the patient; the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, in which the rod in the utmost hinging position, belonging to a substantially seating position of the patient can be fixed by means of stop and catch means, in which the stop and catch means are provided with a roll attached to the stationary bridge and with a catch hingeably connected to the arm in the hinge plane of the arm, which catch is urged to an utmost position by spring means, in which utmost position the catch rests with its head plane against the roll, which catch is provided with a handle means of which it can be brought out of engagement with the roll, so that the arm can hinge and the patient can move from a seating position to a lying position.
Claim 17
Dependent Claim
75 words
A patient lifting apparatus comprising an undercarriage, a vertical column mounted thereon, a system of parallel rods connected to said vertical column, patient suspension means connected to said system of parallel rods, lifting means spring mounted on said undercarriage, adjustable stop means associated with said spring mounting which acts on said lifting means to control the patient''s rate of descent, and travel limit means which acts on said lifting means to control the patient''s rise.
Claim 18
Dependent Claim
75 words
A patient lifting apparatus comprising an undercarriage, a vertical column mounted thereon, a system of parallel rods connected to said vertical column, patient suspension means connected to said system of parallel rods, lifting means spring mounted on said undercarriage, adjustable stop means associated with said spring mounting which acts on said lifting means to control the patient''s rate of descent, and travel limit means which acts on said lifting means to control the patient''s rise.
Claim 19
Dependent Claim
160 words
A patient lifting apparatus comprising an undercarriage, a vertical column and parallel rods associated therewith, adjustable pump means for moving said parallel rods relative to said vertical column, bridge means connected to said parallel rods, patient suspension means having upper patient support means connected to said bridge, and lower patient support means connected to an arm hinged to said bridge in a vertical plane, and stop catch means associated with said bridge means and said vertically hinged arm; said stop and catch means having a stop member connected to said bridge means, a catch member hinged to the vertically hinged arm, and a spring member acting between said catch member and said hinged arm, whereby said stop and catch means automatically pivotally engage when said hinged arm is swung downward and the patient is held in a substantially seated position and whereby the patient is placed in a substantially lying position when said stop and catch means are pivotally disengaged.
Claim 20
Dependent Claim
160 words
A patient lifting apparatus comprising an undercarriage, a vertical column and parallel rods associated therewith, adjustable pump means for moving said parallel rods relative to said vertical column, bridge means connected to said parallel rods, patient suspension means having upper patient support means connected to said bridge, and lower patient support means connected to an arm hinged to said bridge in a vertical plane, and stop catch means associated with said bridge means and said vertically hinged arm; said stop and catch means having a stop member connected to said bridge means, a catch member hinged to the vertically hinged arm, and a spring member acting between said catch member and said hinged arm, whereby said stop and catch means automatically pivotally engage when said hinged arm is swung downward and the patient is held in a substantially seated position and whereby the patient is placed in a substantially lying position when said stop and catch means are pivotally disengaged.
Claim 21
Dependent Claim
191 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspension means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached; from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingedly suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upPer leg portions adjacent the hollows of the knees of the patient, and with stop support means for the knees of the patient, the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, in which the vertical column with the lifting apparatus carried by said column is detachably mounted in the undercarriage.
Claim 22
Dependent Claim
191 words
A patient lifting apparatus, comprising a mobile undercarriage whose track is adjustable, which undercarriage carries a vertical column, to which the lifting apparatus comprising a system of parallel rods is attached, to the free end of which system of parallel rods suspension means for supporting the patient are provided, which suspension means comprise a stationary bridge, to which a horizontal rod is attached; from the free ends of which rod a back supporting belt passing under the armpits of the patient can be hingedly suspended, and on which bridge there is also mounted an arm hingeable in a vertical plane, which arm is provided adjacent its free extremity with suspension means for suspension of belt-like supports for the upPer leg portions adjacent the hollows of the knees of the patient, and with stop support means for the knees of the patient, the arrangement being such that the position of the patient can be adjusted from substantially seating to substantially lying in that the arm hinges about its pivot on the stationary bridge, in which the vertical column with the lifting apparatus carried by said column is detachably mounted in the undercarriage.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |