Today In History
Thomas Edison obtained a patent for an electrographic vote recorder.
PatentStorm News
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 |
| 7958972 | Sealing device for elevator A sealing device for an elevator door includes a doorway member, doors, a movable member, a push-down mechanism and a sealing mechanism. The doorway member is provided for a gate. The doors open or close along the doorway member. The movable member is set horizontal... | 06/14/2011 |
| 7921970 | Sealing device for elevator A sealing device for an elevator door includes a doorway member, doors, a movable member, a push-down mechanism and a sealing mechanism. The doorway member is provided for a gate. The doors open or close along the doorway member. The movable member is set horizontal... | 04/12/2011 |
| 7621379 | Elevator assembly with extendable sill An elevator (20) includes a sill (38) that extends out from underneath an elevator car (30) to bridge an operating gap (26) between the car (30) and a landing (24). When an elevator door (34) is aligned with a landing... | 11/24/2009 |
| 7510055 | Door device of elevator In an elevator comprising an entrance frame provided on an entrance leading from a landing hall to a hoistway and having an upper frame (103) and a vertical frame (102, 102), and landing doors (110, 110) arranged on the entrance frame with a gap... | 03/31/2009 |
| 7350627 | Elevator arrangement The invention relates to a safety device arrangement for an elevator door opening, said safety device arrangement comprising at least a toe guard (3) placed substantially at the lower edge of the elevator car and a safety circuit (21) connected to the ... | 04/01/2008 |
| 7077240 | Covers between an upper cage and a lower cage of a double deck elevator A double deck elevator comprising an upper cage and a lower cage vertically movable together in a hositway, wherein a space between the upper cage and the lower cage is covered by covers. The covers guide airflow flowing around the space to reduce air turbulence noi... | 07/18/2006 |
| 6615952 | Double deck elevator A double deck elevator comprising an upper cage and a lower cage vertically movable together in a hoistway, wherein a space between the upper cage and the lower cage is covered by covers. The covers guide airflow flowing around the space to reduce air tur... | 09/09/2003 |
| 6603398 | Hoistway access detection system An improved hoistway access detection system including three safety chains, one for monitoring door position on the even numbered floors, one for monitoring door position on the odd numbered floors, and one for monitoring the position of the pit door, whe... | 08/05/2003 |
| 6578673 | Concrete elevator rail and guidance system An integrally poured concrete rail guidance system enables the elimination of traditional metal rails by pouring the concrete rail at the same time as the hoistway is poured. Time and expense is avoided in the construction and the concrete rails are durab... | 06/17/2003 |
| 6206143 | Elevator landing apparatus An elevator landing apparatus including a detector mounted on one of a doorsill part of a cage of an elevator provided in an elevator shaft and a doorsill part of an elevator hall, and a detected member mounted on the other of the doorsill part of the ele... | 03/27/2001 |
| 6085873 | Pneumatic elevator A pneumatically operated elevator has a pair of elongated vertical tubular cylindrical shafts and horizontally extending cross-over shafts extending between the vertical shafts adjacent their upper and lower ends to provide a substantially closed system. ... | 07/11/2000 |
| 5794745 | Finger guard for a door of an elevator A finger guard for a door of an elevator comprising a brush carrier, which is arranged for attachment to an architrave adjacent the elevator door of the kind, which, for opening and closing, slides sideways in a vertical plane relative to the architrave, ... | 08/18/1998 |
| 5663539 | Passenger transfer, double deck, multi-elevator shuttle system Double deck elevator cars (10-12) are moveable in corresponding adjacent overlapping hoistways (7-9). Passengers entering the bottom deck (39) from a ground landing are transferred into the bottom deck (47) of a second elevator as passengers in the upper ... | 09/02/1997 |
| 5377784 | Pass door fire lintel A fire lintel for a freight elevator pass door that provides a fire stop in the gap between the door opening header and the upper panel of the pass door and that is displaceable for passage of the door above into the gap when the door above opens. Two emb... | 01/03/1995 |
| 5294757 | Active vibration control system for an elevator, which reduces horizontal and rotational forces acting on the car A method and apparatus for actively counteracting a disturbing force acting on a platform moving vertically in a hoistway is disclosed. A manifestation of the disturbing force such as rotational acceleration or translational accelerations indicative there... | 03/15/1994 |
| 5170864 | Elevator bridge apparatus An apparatus is arranged to provide for a bridge from an elevator floor relative to an associated building floor to limit jarring and balancing associated in the transport of various carts thereacross, as well as limiting an effective spacing or gap betwe... | 12/15/1992 |
| 5085293 | Apparatus for automatically sealing the space between an elevator shaft and an elevator car A sealing apparatus has inflatable hallow body portions extending around a car opening to close off the space between an elevator shaft wall and the car opening of an elevator car in a draftsproof and weatherproof manner when stopping at a floor. After th... | 02/04/1992 |
| 5020639 | Method of, and apparatus for, absorbing vibrations in cars of high-speed elevators The elevator car contains an elevator car body substantially horizontally supported at low friction at a support frame. The elevator car body is supported at a bottom yoke of the support frame by, for example, three hydraulic suspension units and is maint... | 06/04/1991 |
| 4982814 | Elevator safety barricade An elevator safety barricade adapted to prevent inadvertent entry into an elevator shaft comprised of a pair of opposed pockets in the opposite side plates of an elevator opening and a pair of overlapping restraining bars with one end of each restraining ... | 01/08/1991 |
| 4709787 | Elevator This invention concerns an elevator provided with an elastic member. The elastic member, by and large triangular in cross section, is attached to every exit of an elevator: an end of each floor inside a vertical path in which a cage ascends and descends o... | 12/01/1987 |
| 4302145 | Automatic drawbridge for elevator A drawbridge assembly on an elevator car which is responsive to movement of an automatic cart loader and unloader for its extension and retraction. The drawbridge compensates for expected positional variations in indexing of the elevator to a selected lan... | 11/24/1981 |
| 4222140 | Boarding platform A boarding platform for transferring personnel between a fixed dock structure and a barge or the like is disclosed. The boarding platform includes a pair of vertical tracks having a carriage mounted for raising and lowering movements relative to the track... | 09/16/1980 |
| 4091906 | Collapsible safety guard for platform lift A collapsible electric foot-toe guard is employed with a loading platform having electric controlled lift and descent movements, functioning as a safety device in the protection against unwitting protrusion of human limbs into the path of descent of the p... | 05/30/1978 |
| 4058191 | Elevator system including an elevator car having door operated sealing devices adjacent door opening An elevator system including an elevator car mounted for movement adjacent to an external wall of the building. Precipation and rain shield members automatically close the running space between the elevator car and building car responsive to opening movem... | 11/15/1977 |
