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| Number | Title | Issue Date |
| 4924973 | Elevator pad hanging system Disclosed is an improved elevator pad hanging system that includes a first groove on which a loop in the elevator pad will rest. In one embodiment, a second groove, which is separated from the first groove by a flange, is provided and has a diameter which... | 05/15/1990 |
| 4747242 | Two level structure for parking vehicles or storing goods A two level structure for parking vehicles or storing goods, which structure comprises a sunken pit, first and second spaced apart platform members which are for receiving the vehicles or the goods, support means which is mounted on the first platform mem... | 05/31/1988 |
| 4741412 | Elevating device for a work vehicle Devices for elevationally moving a platform are complex in construction, bulky, tend to wear prematurely, are unable to maintain the platform at a preselected attitude, and tend to move jerky. A lifting mechanism having an elevationally movable shaft driv... | 05/03/1988 |
| 4724929 | Elevator compensating cable Disclosed is a compensating cable adapted to be used in combination with an elevator cab, counterweight, hoist rope and traveling cable. The compensating cable is composed of a sheath, at least one elongated strength member such as a link chain or strande... | 02/16/1988 |
| 4716989 | Elevator compensating cable Disclosed is a compensating cable adapted to be used in combination with an elevator cab, counterweight, hoist rope and traveling cable. The compensating cable is composed of a sheath, at least one elongated strength member such as a link chain or strande... | 01/05/1988 |
| 4708223 | Emergency lighting for elevator cab An elevator cab in which emergency lighting is concealed until it is required to be utilized. When the normal electrical power supply to the cab fails, the emergency lighting is automatically pivoted from a concealed position behind an inconspicuous wall ... | 11/24/1987 |
| 4677779 | Elevator display system A dynamic display system in which a visual display is changeable in accordance with the vertical movement of an elevator. The display system is adapted for use in combination with a conventional elevator assembly having an elevator shaft, an elevator cab ... | 07/07/1987 |
| 4664229 | Motion dampening compensating elevator cable An elevator compensating cable which has an elongated plastic tube shaped member which delimits a predetermined volume. Disposed within the predetermined volume are: (a) at least one elongated member; (b) an elongated means made from a mixture of metal pa... | 05/12/1987 |
| 4656799 | Super high-rise buildings A very tall but slender multi-use building having at least, and preferably substantially more than, 100 human-occupiable stories. The main structural element of the building is a hollow, vertical prism of reinforced concrete made up of interconnected, sub... | 04/14/1987 |
| 4637176 | Elevator air lock An air lock or transition chamber for controlling air pressure during ingress and egress from a multi-story building the interior of which is at an elevated air pressure. An elevator car is provided with a substantially air-tight seal on its door. Persons... | 01/20/1987 |
| 4592270 | Smoke and fire protection system for elevators A smoke and fire protection system is disclosed for elevators in a multistory building having an elevator hoistway therein, with an elevator cab having vertical movement therein. The hoistway is preferably enclosed at the top to prevent discharge of smoke... | 06/03/1986 |
| 4566561 | Selector cabling arrangement An elevator system has a selector mechanism driven by a cable loop attached to the elevator car. The opposite cable ends are wound on a take-up drum, in opposite rotational directions, in sequential rows across the drum, such that the cable leads travel b... | 01/28/1986 |
| 4394888 | Bridging bar attachment means for bi-elevational platform lift Extendable bridging bar frame members are pivotally mounted to an angularly adjustable loading platform level of a bi-elevational platform lift apparatus. The bridging bar frame members are selectively extendable to engage an associated dock side loading ... | 07/26/1983 |
| 4372426 | Mast structure A mast structure (28) for a storage/retrieval machine (10) wherein the mast is pivotally supported on a support structure (30) and temporarily secured by bolts (54) acting on the support structure and the mast, and the mast is moved above its pivot (52) b... | 02/08/1983 |
| 4356890 | Method for installing an elevator system A method for installing an elevator system on a wall of an elevated structure having a plurality of rail mast sections and an elevator car. The method includes the steps of raising a first rail mast section upwardly off of the ground by a distance substan... | 11/02/1982 |
| 4333549 | Car blocking apparatus An elevator car blocking apparatus is disclosed. A small, portable blocking apparatus is initially strapped to the elevator guide rail. It includes a roller and a retainer on which the car rests when it is blocked. The roller is forced between the rail an... | 06/08/1982 |
| 4293889 | Device for grounding an elevator winder A device for grounding an elevator winder including an electric motor controlled by a semiconductor switching element and a first rotary element coupled to the electric motor. A main rope is wound on the first rotary element and bearings are adapted to su... | 10/06/1981 |
| 4287551 | Elevator traction machine An elevator traction machine including a main rope, a traction sheave, a DC motor controlled by a thyristor Leonard system, a brake wheel, bearings of motor shaft and a machine beam. The motor shaft is grounded through first grounding circuit including a ... | 09/01/1981 |
| 4238114 | Rocking platform for the positioning of vehicles above ground level The rocking platform for the positioning of vehicles above ground level comprises a supporting structure for sustaining a pair of parallel longitudinal rails which define the vehicle loading surface. The supporting structure presents a cradle-shaped base ... | 12/09/1980 |
| 4172509 | Traction machine of elevator A traction machine of a traction type elevator with a detector operable at occurence of abnormal car traveling. The traction machine includes a painting system to operate at the necessary time to paint the traction surface of a traction sheave of the elev... | 10/30/1979 |
| 4141089 | Swimming pool apparatus for the handicapped A swimming pool lift installation for the handicapped employs a platform for carrying a wheelchair that is lowered and elevated with the platform so that a handicapped person can sit on his chair and be lowered into the pool for swimming away from the cha... | 02/27/1979 |
| 4117908 | Elevator having rope guide means An elevator including a rope vibration suppressing device provided on the floor of a machinery room, on the top of a elevator cage or on the top portion of balancing weight means to prevent lateral vibration of ropes which may otherwise be produced when a... | 10/03/1978 |
| 4113064 | Elevator car mounting An elevator car mounting arrangement for an elevator of the type comprising a car for carrying passengers or freight mounted in a framework hung by a wire rope and guided in its ascent and descent along guide rails fixed to a shaft. The car is arranged su... | 09/12/1978 |
| 4079816 | Damper device for elevator rope A dynamic damper device includes a damping rod traversing several parallel hoisting ropes for an elevator car adjacent to the car and projecting beyond the outermost ropes. All the ropes are fixed to the damping rod by means of two opposite push plates, a... | 03/21/1978 |
| 3991856 | Elevator cable oscillation-absorbing device In an elevator including weight-compensating ropes having their respective one end connected to the lower end of a car and the other end thereof connected to the lower end of a counterweight, an oscillation-absorbing device is provided closely adjacent to... | 11/16/1976 |
| 3945468 | Sound preventive device for use in elevator A sound preventive device for use in an elevator including: a skirt extending from the lower edge of the sill of a cage of an elevator and having a length greater than the difference between the height of the floor and the height of the cage and a width s... | 03/23/1976 |
| 3942458 | Elevating pilothouse A water-faring vessel having a plurality of decks and a pilothouse movably mounted atop a deck and capable of being elevated above the deck and lowered onto the deck comprises a passageway which permits interior human passage between the pilothouse and at... | 03/09/1976 |
| 3934679 | Retractable stacker guard A retractable overhead guard for use on vertical lifting machines which protects an operator of such equipment from falling objects or material. The overhead guard swings down into protective position in response to vertical load lifting movement by the m... | 01/27/1976 |
