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| Number | Title | Issue Date |
| 7036435 | Drive device of the bull-wheel of a single carrying-hauling rope chair lift with fixed rope grips A bull-wheel of a fixed carrying-hauling rope chair lift is driven by a geared motor mechanism having a coaxial shaft line extending perpendicularly to the bull-wheel in a substantially vertical direction. The geared motor mechanism is composed of an electric motor ... | 05/02/2006 |
| 6675720 | Management system for multiple cables A cable management system includes an opposed pair of articulated A-frame support assemblies that are connected by a cable support platform, such as a roller. The A-frame support assemblies may be reach between an electrical system chassis and an equipmen... | 01/13/2004 |
| 5526754 | Conveying system with tensioning assembly and method A conveying or transportation system having a haul rope (22) mounted for movement along a path, and a carrier unit (27) coupled to the haul rope (22). The carrier unit (27) is coupled to the haul rope (22) by a rope coupling assembly (51), which preferabl... | 06/18/1996 |
| 5361706 | Conveying system with tensioning and docking assembly and method A conveying or transportation system having a haul rope (22) mounted for movement along a path, a terminal (31) positioned along the path and having a docking surface (52), and a carrier unit (27) coupled to the haul rope (22). The carrier unit (27) is co... | 11/08/1994 |
| 5172640 | Overhead cable transport installation having two successive sections The hauling-carrier cable of a gondola lift or chair lift is subdivided in two endless cable loops operating together. These cable loops are linked by a technical relay including two bull wheels or a bull wheel with two grooves, one for each cable loop. T... | 12/22/1992 |
| 4782761 | Cable tensioning device for ski lifts or aerial cableways The invention relates to a cable tensioning device for ski lifts or aerial cableways of the kind comprising an endless transporting cable (1) extending between two rotatable wheels (2) mounted on carriers (4), at least one of the wheels being movable by t... | 11/08/1988 |
| 4690065 | Automobile conveyor In an automobile conveyor having an endless conveyor chain within a framework having top plates to support the tire of an automobile, and a plurality of roller dollies spaced along the length of the chain normally positioned for movement within the framew... | 09/01/1987 |
| 4641583 | Free rotation sprocket, drag chain conveyor system A power and free conveyor system wherein a plurality of conveyor units or trolleys in the form of part suspension frames and the like may be moved by a continuously moving chain but the relationship of the chain to each conveyor is such that no latching o... | 02/10/1987 |
| 4611542 | Personalized towing device The invention provides a portable towing device for downhill or water skiers which includes a drive unit. This drive unit comprises a motor and a drive pulley connected to the motor by a rotor which is rotated by the motor. The motor has an actuator which... | 09/16/1986 |
| 4522285 | Hydraulic tie-down for elevators A compensating rope sheave tie-down uses a hydraulic control system comprising various valves to control sheave motion. The sheave is permitted by the control system to move up and down slightly at slow rates, but is held in place if a high rate occurs. T... | 06/11/1985 |
| 4509430 | Twin suspension/haulage cable gondola lift The invention relates to a continuous operation gondola lift with twin parallel suspension/haulage cables, between which the gondolas hang, connected to the cables by means of detachable grips. Inside the terminals the gondolas are disconnected from the c... | 04/09/1985 |
| 4470355 | Pneumatic cable tensioning apparatus and method for an aerial tramway or the like A cable tensioning apparatus and method for automatically maintaining and adjusting the tension forces in an endless cable for a ski lift, aerial tramway, etc. is disclosed. The apparatus includes a carriage on which the cable is carried, a pneumatic carr... | 09/11/1984 |
| 4402272 | Rail-transportation system A rail-transportation system had a longitudinally elongated rail assembly along which extends a longitudinally moving traction element connected to a plurality of longitudinally spaced cars riding on the assembly. The rail assembly consists of upper and l... | 09/06/1983 |
| 3987735 | Railway car spotting system A railway car positioning carriage movable back and forth along a track parallel to a railway track is provided with a member for engagement with the end of a car on the railway track to move it. A pair of sheaves are rotatably mounted on the carriage, an... | 10/26/1976 |
| 3968754 | Chain drive arrangement for a mining machine This disclosure relates to a mining machine of the type having a driven winch which has its drive output sprocket engaging a displaced portion of a chain which normally extends along the entire length of the mine face. The displacement portion of the chai... | 07/13/1976 |
| 3951073 | Self centering tension drive terminal for tramway A drive terminal, for a continuous aerial cable tram system, movable on rails to tension the aerial cable. The drive terminal is biased to tensioning position by a suspended weight coupled to the terminal by a particular compensating linkage that eliminat... | 04/20/1976 |
