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WO/1998/003425A1 |
A high pressure, low volume hydraulic lift system and method for retrofitting a low pressure high volume lift system are provided. The retrofitting is effected by removing the pre-existing structure (100) and draining (step 402) all hydr...
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WO/1998/002628A1 |
A combined stairway and lift installation has a stairway (13) which comprises a stack of horizontally movable step members (14 to 16) whereby the stairway (13) is retractable to expose a lift (18) which is installed in a cavity (19) whic...
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WO/1998/000358A1 |
The invention discloses a lift driving device comprising a cage integral with a frame (16, 18) co-operating with vertical guiding means (12, 14). It comprises a mobile horizontal crosspiece (20) independent of the frame co-operating with...
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WO/1997/047552A1 |
The object of the invention is a minihoist which can be used for moving from one floor level to another in an apartment. The hoist comprises a lift plane (4) and a hoisting device which is flush with the lower floor and which can be used...
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WO/1997/045354A1 |
A stairlift assembly comprises a rail (10) for mounting along a flight of stairs and is provided with a toothed rack (12) along its upperside: a seat carriage (2) runs along the rail (10), the seat carriage including a motor which drives...
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WO/1997/039972A1 |
A skate (20) for a stairlift chair assembly (10) comprises two spaced-apart pairs of rollers, the two rollers (e.g. 27, 28) of each pair being arranged to run respectively above and below a circular-section support rail (12) of the stair...
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WO/1997/032106A1 |
The invention relates to a load transporter (100) for an inclined goods lift which has supporting and holding means (112, 114) for holding a load, first guide means and second guide means. The first guide means is attached to the support...
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WO/1997/029041A1 |
An arrangement having a raisable and lowerable working platform. The arrangement includes an elongated, load bearing construction (1) which is intended to be supported in a substantially upstanding position, normally while defining an an...
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WO/1997/026207A1 |
A rail system for a staircase elevator, whereby the rail comprises two tubes (4, 5) having a substantially circular cross section, which are mounted substantially one above the other in spaced-apart relationship, said rail system being p...
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WO/1997/022768A1 |
A mast for a building scaffold or hoist which has a polygonal cross-section and a constant transverse area over its entire length is constructed in such a way that there is at least one plate between the edges of the mast over its entire...
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WO/1997/020765A1 |
A drive system for a tooth rack lift comprises a vertical tooth rack (9), a gear (7) engaging the tooth rack (9) for driving the lift cage upwardly or downwardly along the tooth rack in dependence of rotary direction, and a counteracting...
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WO/1997/019885A1 |
A horizontally moveable elevator cab (14) is transferred between a plurality of car frames (16-18) in successive hoistways (11-13) by horizontal motive means (44-47) in response to a signal processing controller (43) (Figs. 4 and 5).
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WO/1997/019887A1 |
A lift assembly for moving living beings and/or articles, comprising a carriage (1) that is moveable along an inclined track (31, 33) consisting of at least one rail, where the carriage at the uppermost and lowermost portions of the trac...
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WO/1997/019886A1 |
A swivel chair (1), comprising a seating part (2, 3) or a like support means and a support part, wherein the seating part is pivotally connected, via a first axis of rotation (4) which, during use, extends substantially vertically, to th...
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WO/1997/015519A1 |
An elevator group control device and an elevator group control method can eliminate congestion caused by stoppage, jam or deadlock in a vertical and horizontal movement type elevator system. The vertical and horizontal movement type elev...
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WO/1997/012830A1 |
A running gear (3), for a drive mechanism of a rail-guided displacement device, such as a passenger lift, comprising a base part, drive means and at least two sets of guide wheels (9), arranged behind each other, viewed in direction of t...
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WO/1997/012829A1 |
A safety brake device (1) for hydraulic elevators acts by arresting the axial movement of the elevator ram (3) with respect to the main hydraulic cylinder (5) of the elevator. The safety brake (1) utilizes two lever acting brake arms (27...
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WO/1997/007765A1 |
The object of the present invention is an equipment consisting of several devices in combination for the transportation of a wheel chair-bound individual from his/her own wheel chair to a chair in an airplane without the use of human lif...
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WO/1996/033940A1 |
A control system for controlling the motion of a hydraulic elevator calculates a deceleration distance based upon the elevator velocity and begins the deceleration phase of the elevator motion upon the elevator reaching the calculated di...
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WO/1996/029272A1 |
The object of the present invention is to achieve a wheel chair lift to be used in stairs, said lift being equipped with a vertically adjustable loading platform (2). The platform is hanging in four ropes or bands (3) from a waggon (1) d...
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WO/1996/027730A1 |
A hoisting device comprises an elongate support member (11) having a track (12); a carriage (13) which is detachably supported on the track for movement along the support member (11) and includes a winch cable attachment member (25) and ...
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WO/1996/023723A1 |
A lifting step device including a set of vertically movable members (1, 2, 3) each having at least two sides defining steps (1a, 2a, 3a) and risers (1b, 2b, 3b), at least one first and one second motor (4, 5) for vertically moving the fi...
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WO/1996/020125A1 |
A lift assembly comprising a rail system and a lift being capable of movement along said rail system, for example a chair lift for a disabled person, whereby said lift can move upwards at an angle, at least along part of its path. The ra...
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WO/1996/018567A1 |
An automatic lift system situated within ground. The lift system provides efficient floor space and reduces environment-related risk. The system includes an environment-defining enclosure (24) having an in-ground anchoring structure (32)...
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WO/1996/015974A1 |
A stairlift comprises: a main frame (23); support means for supporting this main frame such that it is movable along a support rail (4) which is arranged at some height thereabove along a staircase; a first electric motor (22) for moving...
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WO/1996/015342A1 |
An access platform (11) to support personnel, for maintenance of a fixed structure such as the supporting leg (10) of an offshore drilling platform, an upright rigid mast (30, 31), fixed to and extending upwardly from the rear of the pla...
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WO/1996/001781A1 |
In one embodiment of the lift at least two guide rods (8), a rack (10) and a threaded spindle (9) are secured in a frame (7) fitted at the rear of the lift cage (5). A guide lug (11) is guided so as to slide vertically on the guide rods ...
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WO/1995/034491A1 |
The invention refers to a four-chains paternoster cargo handling system, being kind of cargo lifting and continuously transferring working facility. It is composed of four-chains paternoster drive, of one or more movable cargo handling/t...
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WO/1995/032144A1 |
The movable device for duplicating the run of the pistons' stems, in particular of the hydraulic, fluidodynamic and oleodynamic pistons, consists of a bush (F) appropriately guided and axially sliding on a vertical, straight stem (B), wi...
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WO/1995/029867A1 |
The present invention relates to a method to safely and comfortably run a stair lift with disabled people along a conveying system fitted onto a wall, and a device to run a stair lift to carry out said method. The invention is characteri...
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WO/1995/023265A1 |
A modular scaffolding assembly (32) in which the platform (46) may move up or down in a continuous motion. A platform carriage (44) is engaged with a tower (34) by spring loaded friction blocks (132) and climbs or descends the tower (34)...
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WO/1995/022501A1 |
In a building elevator with a substantially vertical mast consisting of three mutually stiffened booms and made up of a plurality of partial sections which can be secured together and a bogie truck driven via a rack between a loading and...
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WO/1995/022502A1 |
Safety and monitoring system in a mountable and dismountable work platform system (1) having at least one vertical mast (2) built up from sections and a central member (8) drivable along the mast, and including at least one gear for enga...
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WO/1995/019315A1 |
A seat for a stairlift comprises an armrest (11) which is pivotable between an upright out-of-use position and a horizontal in-use position, and a link arm (20) which folds against the armrest (11) when in its out-of-use position but whi...
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WO/1995/018763A1 |
A stairlift comprises a carriage (10) for movement along a fixed rail (14) the angle of inclination of which varies along its length, a seat (22) pivotally mounted to the carriage and actuating means (18) for turning the seat relative to...
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WO/1995/015909A1 |
A stairlift comprising upper and lower tracks (11, 12; 11', 12') has a carriage (15; 15') with upper and lower driven pinions enmeshed with rack teeth of the rails. The tracks are non-rectilinear but mutually parallel and the carriage is...
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WO/1994/027905A1 |
Procedure for operating an elevator, in which the power for moving the car as well as the accelerating/decelerating power of the whole system is, in all motional states of the elevator, obtained from/returned to a hydraulic pressure accu...
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WO/1994/022757A1 |
In order to drive a load-carrying device (22 to 24) guided on a supporting spar (12), a driving strip (1) provided with recesses (4) which are regularly spaced apart is secured to the supporting spar. The recesses (4) interlockingly enga...
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WO/1994/021511A1 |
Transfer apparatus for transferring objects from a first location to a second location includes a transfer device (1) adapted to be coupled to a lifting device (19). The transfer device (1) comprises an outer structure (21, 24) which def...
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WO/1994/016661A1 |
A mobile lifting and lowering device for handicapped persons or wheelchair patients, comprised of a vertically movable platform, on top of which a person is lifted or lowered, and supporting constructions for fixing the device to the und...
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WO/1994/014695A1 |
The invention relates to elevator machinery (2) for a screw drive elevator, comprising a trapezoidal threaded screw (4) extending between the two ends of an elevator shaft, and a nut (6) mounted thereon and with a corresponding thread. S...
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WO/1994/015119A1 |
A linear moving device (10) with overload protection consists of a controllable drive (12) with a spindle shaft (14) integral in rotation therewith, at least one direct contact component in engagement with said spindle and a linearly mov...
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WO/1994/009558A1 |
A contactless power transfer system (30, 30'', 150, 300, 400), especially for powering underwater electric loads (34, 34', 34'', 306, 314, 315, 316, 434), including movable loads, such as underwater vehicles (308, 310), elevators (173), ...
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WO/1994/005583A1 |
A set of substantially identical rams (2), held mechanically in series but hydraulically in parallel, raise and lower elevator car (1). The rams are disposed side by side and offset forces are taken up by: internal rollers bearing betwee...
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WO/1994/002205A1 |
An emergency escape device for a structure comprising a continuous cable in the form of a ladder (37) comprising two separate side supports pinned by rungs (20), said cable being accessible from a sidewall of a structure and being suppor...
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WO/1994/001313A1 |
The inclined elevator is comprised of a travelling chain, rope or cable with one or more push devices fixed to it at intervals. The elevator is intended for bicyclists or similar manned vehicles and is designed for installation in inclin...
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WO/1994/000373A1 |
A combined stairway and lift apparatus comprising a stairway (40) which, by a lifting means (48), can be raised and lowered at least at one end, and wherein the steps (44) all the time are horizontal during the raising or lowering moveme...
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WO/1993/022529A1 |
A transport system for moving a load, particularly for use in connection with servicing the surfaces of a building, comprising an elongated rail section (1) which is affixed to a stationary structure, and a travelling crab (3, 4; 5) prov...
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WO/1993/017950A1 |
An improved apparatus for providing access to the floors of a building during an emergency such as a fire, the apparatus including a structural support positioned on the exterior of a building and a transport system to transport persons ...
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WO/1993/015704A1 |
A passenger lift (10) incorporates an electric safety interlock to prevent all movement of the lift, until a restraining belt (68) is fastened. In some embodiments, the interlock is a normally open electric switch located inside the rest...
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