Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7954605 | Electric safety switch resetting device for a car safety device of elevators An electric safety switch (3) resetting device (1) for the car safety device (5) of elevators includes a switch (3) shaped as a box attached to the lower skirt (9) of the car frame, near the car safety blocks (11). A mobile ... | 06/07/2011 |
| 7556126 | Elevator escape arrangement An elevator escape arrangement includes a hinged window on a car; an escape rope passed by the window; a spring biased linking mechanism interconnected the window and a door; and a drive assembly including a first shaft, a detent block on the first shaft and between... | 07/07/2009 |
| 7434664 | Elevator brake system method and control A rescue braking system provides a smoother elevator car movement by mechanically lifting or applying the brake. The rescue braking system incrementally adjusts the force applied to the brake based on the speed and location of the elevator car. Therefore, it can eff... | 10/14/2008 |
| 7416056 | Emergency elevator system The present invention relates to an elevator system for use during an emergency. The elevator system comprises two elevator shafts constructed adjacent to each other. Each elevator shaft houses an elevator car. The elevator system operates without the use of a build... | 08/26/2008 |
| 7398861 | Elevator monitoring unit and procedure for the maintenance of an elevator unit An elevator monitoring unit and a procedure for maintenance of an elevator monitoring unit include arranging the elevator monitoring unit on at least one door post element which is integrated into the door post, and the door post element is parallel-shifted, to a la... | 07/15/2008 |
| 7370731 | Device for connecting a car door with a shaft door and for locking and unlocking the doors, a device for emergency unlocking of a car door and a method for emergency unlocking of a car door A device for connecting a car door with a shaft door and for emergency unlocking of a car door consists of an entrainer arranged at the car door, which entrainer detachably connects, together with a roller pair arranged at the shaft door, the car door with the shaft... | 05/13/2008 |
| 7353916 | Elevator supervision A method and system for supervising the safety of an elevator having a car driven by a drive within a hoistway wherein a travel parameter (XABS,X″Acc,X′IGB) of the car is sensed and continually compared with a similarly sensed tr... | 04/08/2008 |
| 7350625 | Shaft door monitoring system for an elevator installation A shaft monitoring system for an elevator installation includes a contactless sensor enabling recognition from the elevator car whether a shaft door lock and a shaft door leaf are in a correct locked setting. A securing device mechanically secures the shaft door loc... | 04/01/2008 |
| 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 |
| 7325657 | Elevator installation and monitoring system for an elevator installation An elevator installation with an elevator car moveable in an elevator hoistway by means a drive unit is controlled by a control unit. Sensors monitor the status of the elevator installation and are each connected via an assigned bus node to a data bus and thereby co... | 02/05/2008 |
| 7284640 | System of enhancing air quality used for buildings A system of enhancing air quality for buildings is proposed. The system includes a multi level building having a hoistway vertically extending through at least two levels of the building, for receiving a car vertically moving therein. The system further includes at ... | 10/23/2007 |
| 7267203 | Elevator including operation, atmospheric pressure and rescue control In an elevator system having an elevator control unit and an atmospheric pressure control unit, an elevator operation state monitor monitors the operation state of the elevator control unit, and an atmospheric pressure control state monitor monitors the operation st... | 09/11/2007 |
| 7262571 | Resistive braking module with thermal protection A braking module includes a braking load, an input terminal, an output terminal, and control logic. The input terminal is adapted to receive a motor drive signal. The control logic is adapted to receive a motor enable signal, couple the output terminal to the input ... | 08/28/2007 |
| 7252180 | Situation-dependent reaction in the case of a fault in the region of a door of an elevator system An elevator system includes an elevator car having a car door, a drive unit for moving the elevator car along an elevator shaft wall provided with shaft doors and a controller for controlling movement of the elevator car along the elevator shaft wall. A separate fau... | 08/07/2007 |
| 7243760 | Elevator door unit having mechanism to release lock unit manually in emergency An elevator door unit includes cage doors, a cage door lock unit, hall doors, and a lock release unit. The cage doors are provided in a cage which moves in a shaft. The cage door lock unit limits and locks the opening width of the cage doors to the width not to perm... | 07/17/2007 |
| 7237655 | Elevator system and method for preventing unauthorized hoistway access An arrangement and method for preventing unauthorized access of personnel into the hoistway of an elevator system. The arrangement includes a security device for mounting in the vicinity of an auxiliary release mechanism of a landing door to prevent actuation of the... | 07/03/2007 |
| 7178635 | Elevator control having independent safety circuits An elevator installation with at least one shaft having a plurality of shaft doors is provided. At least two cars disposed one above the other travel up and down in the shaft. Each car has at least one car door. A safety device is provided for blocking the travel of... | 02/20/2007 |
| 7143870 | Elevator hall door and door hanger apparatus A door panel comprises a surface board 11 facing a hoistway, a back board 12 facing a hoistway, and a reinforcing member 13 for reinforcing the surface board 11 and the back board 12 . The back board is connected to the surface boa... | 12/05/2006 |
| 7097001 | Elevator car door movement restrictor An elevator door restrictor system for preventing an elevator door from being opened unless the elevator car is near a floor landing, utilizing battery backed electronics for sensing the presence of a building landing such that the system will continue to maintain t... | 08/29/2006 |
| 7090056 | Double deck elevator that controls a velocity change during inter-cage distance adjustment A double deck elevator including a winding machine which lifts up/down a cage frame loaded with two cages in a vertical direction, a cage driving unit which changes a relative distance between upper and lower cages, and a cage position controller which starts an int... | 08/15/2006 |
| 7077242 | Device for connecting a car door with a shaft door and for locking and unlocking the doors, a device for emergency unlocking of a car door and a method for emergency unlocking a car door A device for connecting a car door with a shaft door and for emergency unlocking of a car door consists of an entrainer arranged at the car door, which entrainer detachably connects, together with a roller pair arranged at the shaft door, the car door with the shaft... | 07/18/2006 |
| 7032714 | Automatic return mechanism for elevator escape device Disclosed is a return mechanism for elevator escape device. The return mechanism mounted at a wall of a car and comprises a drive sheave, upper and lower secondary sheaves, a wheel coaxially disposed with the drive sheave and located on an inner wall of the car, a l... | 04/25/2006 |
| 6988592 | Door and door hanger device at elevator landing A door panel includes a surface board facing a hoistway, a back board facing a hoistway, and a reinforcing member for reinforcing the surface board and the back board. The back board is connected to the surface board or the reinforcing member by a connecting member ... | 01/24/2006 |
| 6966409 | Backup power device for elevator Backup power device for an elevator comprises a brake including a brake controller and a manual brake rod, a damping assembly including a roller at one end of a lever, and a wheel having alternate recesses and risers, an electro-magnetic controller having a control ... | 11/22/2005 |
| 6942067 | Portable emergency drive for an elevator An emergency drive is a toothed element such as a gear rim, is arranged on a traction sheave of an elevator drive. During emergency operation, the gear rim is driven by means of a pinion of an auxiliary engine. The engine is installed on the elevator drive only duri... | 09/13/2005 |
| 6902040 | Elevator car An exit (5) formed in an elevator car (1) is closed by doors (8) of multi-construction including an inner door (6) and an outer door (7). Air is able to flow between a space between the inner door (6) and the outer door (... | 06/07/2005 |
| 6892862 | Elevator car with a driving pulley driving machine integrated therein An elevator car (1) includes, a support frame (8) of a cable-driven elevator system without a machine room, with a compact driving pulley driving machine (7), combine with a brake, integrated in this car (1) and/or its support frame (8... | 05/17/2005 |
| 6880678 | Device for carrying out work in an elevator shaft According to the invention, the maintenance scaffold (10) is assembled as follows: in a first step, an illuminated ceiling, which lies below the collapsed maintenance scaffold (10), is taken down. Suspension members (17) are then brought into a ... | 04/19/2005 |
| 6863160 | Service barrier A service barrier for elevator equipment and a method for deploying the same, said barrier comprising a floor plate and a plurality of leaves hinged along vertical axes, said floor plate pivotally mounted in front of said elevator equipment and at least one of said ... | 03/08/2005 |
| 6851521 | Emergency unlocking device at shaft doors of elevators An emergency unlocking device includes an unlocking lever actuated by an unlocking slide that is guided in a guide fastened to the inner side of the shaft door. The guide covers a passage that is formed in the shaft door for insertion of a tool for actuation of the ... | 02/08/2005 |
| 6786305 | Double-deck elevator A double-decker elevator includes a winch, an upper car, a lower car, a car support frame supporting the upper and lower car, a car space adjusting device capable of adjusting the space between the upper and lower car, and an emergency operation controller. When the... | 09/07/2004 |
| 6739431 | Elevator escape device An escape device of elevator. The device includes an activation assembly comprising sheaves, rope, links, flexible board, roller, guide, limit member, bar, and catch; and an operation assembly comprising sheaves, ropes, links rotating disk, weight, cylinder having a... | 05/25/2004 |
| 6615953 | Construction hoist with optical monitoring device The invention relates to a building elevator having an elevator mast, which can be set up vertically, and having an elevator car which can be moved in the vertical direction along the elevator mast and has a least one motor drive with control means, and s... | 09/09/2003 |
| 6481534 | Apparatus for maintaining adequate overhead space for car top mechanics in elevator systems Apparatus for maintaining adequate overhead space for a worker located upon the roof of an elevator car having a drive mechanism that disengages under a given load. A brace is secured to the car and is capable of withstanding a compressive load that is gr... | 11/19/2002 |
| 6464043 | Elevator emergency escape device An elevator emergency escape device is activated by mechanical failure, power outage, an earthquake, fire, etc. When the device is triggered by a passenger breaking a cover over an emergency button and pressing the button, the device plays a voice message... | 10/15/2002 |
| 6374953 | Vertical plunger brake control device Improved apparatus for manually releasing and controlling an elevator hoist brake having a solenoid with a vertically-actuated, flanged plunger operable to drive the brake shoes apart in opposition to brake springs which normally urge the brake shoes into... | 04/23/2002 |
| 6230845 | Moveable control panel for elevators A controller for an elevator. The elevator includes a landing passageway where a car stops and passengers board or alight and a hoistway through which the car is raised or lowered. A control panel for controlling the raising, lowering, and stopping of the... | 05/15/2001 |
| 6079524 | Automatic stop mechanism for a rolling door An automatic stop mechanism for a rolling door includes two brake members mounted to the stop member which is removably engaged with the fixture, the stop member having a flange disengagably contacting the inclined flange to normally stop the rolling door... | 06/27/2000 |
| 5964319 | Remote-operated elevator door safety control A remote-operated elevator door safety control for holding open a door of an elevator from a remote location includes a transmitter remote from the elevator for selectively transmitting a door-open signal, a receiver at the elevator for receiving the door... | 10/12/1999 |
| 5899302 | Elevator door interlock An elevator door interlock includes a position indicator mounted at each landing, an elongate vane pivotally mounted in a fixed position with respect to the car door for movement between a first position, preferably several degrees rotated from perpendicu... | 05/04/1999 |
