"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8141684 | Method for installing an elevator, and elevator An elevator, preferably an elevator without counterweight, comprising a number of diverting pulleys in the upper part of an elevator shaft or equivalent, a number of diverting pulleys in the lower part of the elevator shaft and a number of diverting pulleys on an el... | 03/27/2012 |
| 8118138 | Method for installing an elevator A method for installing an elevator may include stopping an elevator car or partially completed elevator car in the upper part of an elevator shaft; rigging first portions of hoisting ropes between the car and diverting pulleys in the upper part of the shaft so that... | 02/21/2012 |
| 8020670 | Arrangement for equalizing elevator rope force and elevator An arrangement for equalizing rope force of an elevator may include: a hoisting machine, set of hoisting ropes, traction sheave, elevator car, guide rails, and compensating device. The hoisting machine may engage the hoisting ropes via the traction sheave. The eleva... | 09/20/2011 |
| 7946390 | Tie-down compensation for an elevator system An elevator system (20) includes a tie-down compensation arrangement (40). A tension member (42) extends between a cab (22) and counterweight (26) to provide a desired amount of tension on a load bearing rope or belt (30) th... | 05/24/2011 |
| 7878306 | Elevator system without a moving counterweight An elevator system includes a cab supported for movement within a hoistway. A tension device, which remains close to one end of the hoistway, maintains a desired tension on a load bearing member that supports the cab and moves to achieve a desired placement of the c... | 02/01/2011 |
| 7481299 | Elevator with compensating device An elevator, which preferably is an elevator without counterweight and in which an elevator car is suspended by means of a set of hoisting ropes comprising one rope or a number of parallel ropes. The elevator has a traction sheave that moves the elevator car by mean... | 01/27/2009 |
| 7383924 | Machine room-less elevator Rubber vibration isolators are held between a base frame supporting a driving device and an upper deflecting sheave, and a support connected to car guide rails and a counterweight guide rail. The rubber vibration isolators are held between a horizontal member and ve... | 06/10/2008 |
| 7364019 | Machine-room-less traction sheave elevator The present invention is about a traction sheave elevator, without the machine room, comprising an elevator car that runs on guide rails placed in the shaft and connected to at least one hoisting rope un-coiling on a diverting pulley driven by a traction sheave. The... | 04/29/2008 |
| 7337880 | Elevator car with lowerable roof An elevator car has a lowerable car roof portion serving in the lowered state as a maintenance platform. The lowerable car roof portion is stabilized in the lowered position against movements in a horizontal plane by at least one mechanical device engaging the car r... | 03/04/2008 |
| 7293631 | Machine room-less elevator There is provided an machineroom-less elevator which can reduce the pit depth in a bottom part of an elevator shaft, mostly perform maintenance work on an upper space of a cage, and reduce a top clearance. A pair of right and left cage-side sheaves are disposed in t... | 11/13/2007 |
| 7267200 | Elevator with compact rope suspension An elevator with an elevator car, guide rails, a counterweight and counterweight guide rails is arranged to minimize shaft space requirements. This elevator has a plurality of diverting pulleys mounted in an upper part of the shaft. A drive motor with a traction she... | 09/11/2007 |
| 7261187 | Deflecting module for elevator A deflecting module has deflecting elements that are displaceable relative to one another. The deflecting elements are mutually supported, wherein at each side the outermost deflecting element is carried by a bearing plate. Each deflecting element has a housing whic... | 08/28/2007 |
| 7225902 | Elevator In an elevator apparatus, a car that is raised and lowered within a hoistway has a car frame and a cage supported on the car frame. Chamfered portions are provided at corner portions of the cage. The car frame has vertical columns arranged along the chamfered portio... | 06/05/2007 |
| 7225901 | Elevator roping system An elevator, preferably an elevator without machine room, in which the hoisting machine (10) engages the hoisting ropes (3) by means of a traction sheave (11), the elevator car (1) being at least partially supported by the hoisting ropes ... | 06/05/2007 |
| 7207550 | Elevator, procedure for the maintenance of the elevator, procedure for the modernization of an elevator and clamping device for an elevator An elevator having a car and a suspension member or respectively hoisting member for carrying an operating weight. Furthermore, a power transmission is intended for moving the suspension member and the hoisting member over at least one moving surface of the power tr... | 04/24/2007 |
| 7207421 | Elevator An elevator in which the elevator car is suspended by means of hoisting ropes consisting of a single rope or several parallel ropes, said elevator having a traction sheave which moves the elevator car by means of the hoisting ropes. The elevator has rope portions of... | 04/24/2007 |
| 7178637 | Both-way movable body driving mechanism and elevator using the same The invention provides an elevator apparatus comprising a cage 1 disposed inside a path of upward or downward movement vertically movably, a counterweight 2 vertically movable with the upward or downward movement of the cage 1, and a lift drive ... | 02/20/2007 |
| 7178636 | Elevator system A hoisting machine is interposed between a wall of a hoistway and a car when viewed in a horizontally-projected perspective, and a drive sheave is located opposite the wall of the hoistway. Vibration prevention members are located between the hoisting machine and a ... | 02/20/2007 |
| 7134645 | Winch assembly for use with synthetic ropes A winch assembly is disclosed that eliminates rope crushing, even when synthetic ropes are used. Tension is applied to the rope by at least one traction sheave so that the tension at the drum is reduced. By using multiple sheaves with large wrap angles traction can ... | 11/14/2006 |
| 7117978 | Dampening device for an elevator compensating cable and associated system and method A dampening device for a compensating cable operably engaged with an elevator car is provided, wherein the compensating cable includes two linear portions connected by an arcuate portion. A first guide including at least one roller member is disposed within the arcu... | 10/10/2006 |
| 7117979 | Method for preventing an inadmissibly high speed of the load receiving means of an elevator A method for preventing an inadmissibly high speed of a load receiving unit of an elevator, including the steps of supplying information about an actual position and an actual speed of the load receiving unit in an area of an entire travel way of the load receiving ... | 10/10/2006 |
| 7025177 | Elevator system without machine An elevator system without a machine room is disclosed. In this elevator system without a machine room according to the present invention, a built-in winding apparatus is installed in the interior of a hoistway for moving an elevator car. In addition, the elevator s... | 04/11/2006 |
| 6966408 | Autobalance roping and drive arrangement An autobalancing roping and drive arrangement for elevators which continuously balances the weight of an elevator cab and the weight of a counterweight such that the force on the drive motor necessary to move the cab from floor to floor is minimized. A weighting dev... | 11/22/2005 |
| 6896105 | Elevator system including control panel within hoistway An elevator system includes a hoistway including a hoistway wall and a bottom portion, the hoistway wall including a protrusion projecting from the hoistway wall inside the hoistway, a vertical moving member ascending and descending the hoistway without interfering ... | 05/24/2005 |
| 6851519 | Elevator with drive unit mounted in a superior lateral section of the elevator hoistway An elevator the drive unit is arranged laterally in a top section of an elevator shaft and, as seen from a shaft door opening, at a side wall of the elevator shaft. At least one cable is guided over deflecting rollers of a support frame of the elevator car and over ... | 02/08/2005 |
| 6848543 | Single wall interface traction elevator An elevator system (1) includes a guide rail bracket (10) attached to a single hoistway wall (20). Car guide rails (5) and counterweight guide rails (6) are fixed to the bracket (10). The counterweight guide rails (6)... | 02/01/2005 |
| 6640935 | Elevator having vibration damping to attenuate vibration transfer to an elevator cage An elevator including a cage for accommodating passengers configured to move up and down in a shaft along a guide rail, a support base attached to a lower portion of the cage, a plurality of car sheaves rotatably secured to the support base through respec... | 11/04/2003 |
| 6527088 | Lift apparatus for transporting packages between two or more floors of a building A vertically extended loading and unloading apparatus spans between the floors of a building. The apparatus includes a frame that is generally vertically positioned, the frame extending between at least two floors of a building so that articles to be load... | 03/04/2003 |
| 6499566 | Tensioning device for at least one trailing rope A trailing rope tensioning device for an elevator installation engages a trailing rope that extends from a first hitch point of a car frame to a second hitch point of a counterweight frame. The tensioning device has two tensioning pulleys that are arrange... | 12/31/2002 |
| 6488125 | Traction elevator An elevator has a rope connected at a first end thereof to a top of a car and at a second end thereof to a top of a counterweight and guided and driven by a sheave that is rotated by a motor. A compensating rope suspends between the car and the counterwei... | 12/03/2002 |
| 6431321 | Tensioning device for at least one trailing rope of an elevator installation A trailing rope tensioning device for an elevator installation includes at least one damper having at least one piston slidably received in a cylinder. The piston divides the cylinder into two chambers filled with a working fluid and connected together by... | 08/13/2002 |
| 6401871 | Tension member for an elevator A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure an... | 06/11/2002 |
| 6390242 | Elevator traction sheave liner A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure an... | 05/21/2002 |
| 6386324 | Elevator traction sheave A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure an... | 05/14/2002 |
| 6382360 | Traction type elevator apparatus An elevator apparatus is provided with an elevator path having a restricted height. Under a roping ratio of 1:1, a thin driving unit having a traction sheave 1 and a driving mechanism 2 is positioned between an inner wall 3a of the elevator path 3 and a s... | 05/07/2002 |
| 6364062 | Linear tracking mechanism for elevator rope An elevator guide system for flat rope tracking prevents the flat rope from hitting the shoulders on a rotating sheave to prevent premature degradation emitting objectionable sounds. The rope guide system includes one or more guide bodies having channels ... | 04/02/2002 |
| 6364063 | Elevator rope arrangement Elevator rope arrangement in which the elevator car and counterweight, travelling along guide rails in an elevator shaft, are supported by suspension ropes, which are attached to the top part of the elevator car and passed via at least one diverting pulle... | 04/02/2002 |
| 6364061 | Tension member for an elevator A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure an... | 04/02/2002 |
| 6193017 | Pulley-driven elevator A traction-sheave elevator is provided without a counterweight. The elevator includes an elevator car that is guided in an elevator shaft. A rope is used to carry the car. The elevator further include at least two motor-driven traction-sheaves that are co... | 02/27/2001 |
| 6012552 | Grocery lift A grocery lift for lifting and lowering grocery loads. The apparatus includes a pair of spaced apart elongate guide rails with a support chassis interposed between the guide rails. The support chassis is mounted to each of the guide rails to permit riding... | 01/11/2000 |