Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7971391 | Movable body driving apparatus A door driving apparatus includes a rotary actuator, a rotary transmission member integrally fixed to an output shaft extending from the rotary actuator, and a pair of linear transmission members opposed to each other via the rotary transmission member. The linear t... | 07/05/2011 |
| 7762020 | Wall-mounted sliding door system and method A sliding wall-mounted interior door system that includes a telescoping door actuating mechanism that is attached to the upper portion of the door, and a roller assembly that extends horizontally from the wall and engages a track in the lower portion of the door. Th... | 07/27/2010 |
| 7398862 | Car door lock A door locking system for a freight or passenger elevator or goods lift installation having vertically spaced landings served by a vertically movable car, the landings and car each being protected by associated horizontal slide doors, a mechanical interlock device a... | 07/15/2008 |
| 7367159 | Dual overhead track for a sliding door A sliding door for selectively opening and closing an opening. The door comprises a first guide track defining a first linear guide path and a second guide track defining a second linear guide path. The second guide track is spaced from the first guide track. The do... | 05/06/2008 |
| 7270218 | Sealing device for elevator door A device moves a door seal for a displaceable door panel of an elevator car in an elevator installation with an elevator shaft having shaft doors. The movable door seal is arranged so that the door panel in a closed state is sealed off. The device includes an entrai... | 09/18/2007 |
| 7264088 | Device with movable door seal for a displaceable door of an elevator installation and an elevator installation with such a device A device moves a door seal for a displaceable door panel of an elevator car in an elevator installation with an elevator shaft having shaft doors. The movable door seal is arranged so that the door panel in a closed state is sealed off. The device includes an entrai... | 09/04/2007 |
| 7255203 | Clutch for coupling a car door of an elevator car with a landing door of an elevator system A clutch couples a car door of an elevator car with a landing door of an elevator system, wherein the car door is movable with respect to the elevator car by a first actuator. The clutch includes at least one coupling element and a second actuator. The coupling elem... | 08/14/2007 |
| 7232012 | Elevator shaft door An elevator shaft door having a door panel composed of a front wall and rear wall, which walls are connected together by a thermally releasable material, wherein at least a part of the closing edge of the respective door panels consists of a profile member that is f... | 06/19/2007 |
| 7219950 | Sliding door assembly A vehicle door assembly is provided. The door assembly is located on vehicle and includes at least first and second doors each movable between open and closed positions. A door slide assembly is coupled to the vehicle and comprises a traversing segments assembly. Th... | 05/22/2007 |
| 7204192 | Apparatus, systems and methods for levitating and moving objects Apparatus, systems and methods for levitating and moving objects such as vehicles, doors and windows are shown and described herein. The embodiments incorporate a track with lower rails having lower permanent magnets and the object with upper rails having upper perm... | 04/17/2007 |
| 7162835 | Gravity safety door for an apparatus for manufacturing or inspecting semiconductors An apparatus for manufacturing or inspecting semiconductors comprising a main body, an opening arranged in the main body, and a safety door. The safety door includes a first door element for covering a first portion of the opening and a second door element for cover... | 01/16/2007 |
| 7156210 | Freight elevator landing door control A control system for a motorized freight elevator landing door in which all of the doors in a single line of a hoistway are controlled with one set of proximity sensors carried on the elevator car. The sensors signal a controller that operates electric motors for op... | 01/02/2007 |
| 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 |
| 7097003 | Elevator landing door broken chain safety device A vertically sliding freight elevator landing door with a safety brake that deploys when a chain suspending the door breaks. The safety brake is adapted for use on both panels that slide up to open or that slide down to open. The brake, which is simple in constructi... | 08/29/2006 |
| 6832449 | Door suspension system A door suspension system includes a rail support attachable to a crosspiece of a door and having a part shaped as a rigid substantially flat plate that supports a rail. A pair of brackets, each having a connector, are attached to support block having an opening in w... | 12/21/2004 |
| 6739092 | Transit vehicle door operator and lock A door lock for at least one door panel mounted on a door operator attached to a transit vehicle. Such door operator includes a door drive. The door lock having a lock shaft mounted on the operator of such door panel. The lock shaft is oriented in a direction dispos... | 05/25/2004 |
| 6736241 | Door track for an elevator door system An elevator door system for an entrance opening to an elevator cab. The system includes a two-part door having an open position and a closed position. The two-part door includes a first door portion for traversing across and covering a portion of the entrance openin... | 05/18/2004 |
| 6591946 | Adjustable door restrictor cable for an elevator car A door locking system for retrofit installation on an automatic sliding two-panel door of an elevator car prohibits opening and closing of the door from the interior of the car when between two floors. The door locking system includes a hook retainer moun... | 07/15/2003 |
| 6539669 | Plug door drive system Drive system for moving a load along a curved path. The drive system includes a base for mounting the drive system, the base having a curved track for guiding the load along the curved path. There is a load engaging mechanism mounted on the base for movem... | 04/01/2003 |
| 6508332 | Elevator car door locking and unlocking mechanism An elevator car door opening and closing apparatus is taught having a clutch assembly carried by each car door for coupling with a landing door locking and unlocking assembly whereby the car and landing doors open and close simultaneously. The clutch asse... | 01/21/2003 |
| 6446759 | Door coupler and latch system for elevator car and landing doors A coupling (8) for engaging an elevator car door (16) and a landing door (20) includes a fixed vane (36) and a movable vane (38). The movable vane is positioned by an engagement link (42) in response to movement of the car door (16) and the presence or ab... | 09/10/2002 |
| 6385910 | Swivel-sliding door system for a vehicle A swivel-sliding door system for a vehicle having at least one door leaf situated in the vehicle wall in the closed state, and situated on the outside in front of the vehicle wall in the open state while leaving a door opening free. A drive as well as tra... | 05/14/2002 |
| 6374952 | Elevator door apparatus A car cam and locking roller locking structure that opens and closes elevator doors so that the lateral sliding of the car will not affect the opening of the doors. The invention is a mechanism to open and close elevator doors that is used to start the op... | 04/23/2002 |
| 6340073 | Elevator door system An improved elevator door system for reducing vibration and noise in opening/closing a car door and a hatch door and allowing fast operation by releasing a landing door lock device before the car door moves. The elevator door system includes a hatch door;... | 01/22/2002 |
| 6328133 | Elevator door with improved clutch device Disclosed is an elevator door with an improved clutch device suitable for increasing clutch speed and decreasing clutch distance of a car door and a hatch door. The elevator door with an improved clutch device comprises a hatch door having a pair of clutc... | 12/11/2001 |
| 6220396 | Door restrictor apparatus for elevators The present invention provides a door restrictor apparatus for locking and preventing a sliding door on an elevator car from unauthorized opening. The door restrictor apparatus includes a locking lug mounted on the elevator car, an actuating mechanism hav... | 04/24/2001 |
| 6209612 | Locking device for a door system Door system with a locking device which has top and bottom locking elements which can be displaced by a drive unit to realize a door system which is simple and easy to install, whereby the functional and operational reliability of the system are increased... | 04/03/2001 |
| 6173815 | Door coupler and locking device A door coupler (4) comprising gripping elements (14,15) moved by a linkage (2) and designed to grip a counterpart (17,18) on the landing door, and a lock catch (10) which has a closed position and an open position. The releasing movement of the lock catch... | 01/16/2001 |
| 6164417 | Procedure for closing an elevator landing door, and a door coupler In the procedure for closing an elevator landing door (3,4), the landing door is coupled with the car door (1,2) by a door coupler, and the car door is moved by an actuator provided in conjunction with the elevator car. During the initial phase of the clo... | 12/26/2000 |
| 6141907 | Biparting panel assembly A panel assembly comprises first and second bi-parting panel groups. Each group has at least a first and a second panel movable between a retracted and an extended position for opening and closing the panel assembly. The second panel in each group travels... | 11/07/2000 |
| 6073375 | Advertising display system for sliding panel doors A display panel advertising system includes two halves, each adapted to be placed on one side of a two-panel elevator access door. As the door panels slide together and the elevator door closes, the two display panels begin to form a picture which is not ... | 06/13/2000 |
| 6070700 | Operating system for elevator doors An operating system placed on the cabin door is shown with a continuous line in rest position and with a dotted line in working position. An arrow marked with a (Y) indicates a horizontal movement undertaken by the operating system in the Y-direction and ... | 06/06/2000 |
| 6032762 | Door operator for elevators having curved doors An elevator door operator for positioning elevator doors along an arcuate pathway includes a linearly displaceable actuator and a pair of linkage arms, each pivotally connected to the other and connected to one end of the linearally displaceable actuator.... | 03/07/2000 |
| 5950766 | Procedure for closing an elevator landing door, and a door coupler In the procedure for closing an elevator landing door (3,4), the landing door is coupled with the car door (1,2) by a door coupler, and the car door is moved by an actuator provided in conjunction with the elevator car. During the initial phase of the clo... | 09/14/1999 |
| 5896952 | Apparatus for coupling elevator doors A door coupling apparatus for establishing and releasing an operative connection between an elevator car door and an elevator shaft door includes a drive unit (D, P) mounted on the car door for moving a roller double lever (1) into engagement with an entr... | 04/27/1999 |
| 5887681 | Multifunction connection and support element in a mechanism for automatic door motion for lifts and elevators The invention relates to a multifunction connection and support element for an elevator door structure. The element includes, for each lateral jamb, a connection and support bracket that connects and unites each jamb with an architrave and also to an anch... | 03/30/1999 |
| 5836424 | Multiple level building with elevator hoistway seal structure A multiple level building comprising an elevator system in which an elevator car moves between floors within an elevator hoistway which contains a door providing access to the hoistway from a corridor at each floor. Seal structures are provided between th... | 11/17/1998 |
| 5794746 | Door sill arrangement in an elevator car A door sill arrangement for an elevator has a profiled sill element with upper and lower grooves. First and second door panels of the elevator are provided with first and second sliding guides, respectively. The first and second sliding guides move in the... | 08/18/1998 |
| 5651427 | Elevator door coupling and hold-close apparatus An elevator door hold-close device in combination with a moving vane elevator door coupler having first and second vanes pivotally connected by links to form a parallelogram pivotally movable between a first compressed uncoupled position and an expanded c... | 07/29/1997 |
| 5641951 | Elevator door safety device An elevator door safety system includes hoistway side doors (2), (3) which open on both sides installed in the side of the hoistway in such a way that they can freely open and close, car side doors (5), (6) which open on both sides installed in the side o... | 06/24/1997 |
