Class / Patent application number | Description | Number of patent applications / Date published |
187255000 | With projections or apertures for engaging complementary formations on cable (e.g., sprocket) | 9 |
20090321191 | Drive mechanism for lifting device - An improved pre-assembled drive mechanism is disclosed for a lifting device of the type having a container movable upwardly and downwardly on spaced apart guide rails. A generally cylindrical motorized tooth drive having a plurality of drive teeth on an outer cylindrical wall is provided. The drive teeth are adapted to be received by spaces between the teeth of the drive belt. A belt guide roller is mounted in close proximity upstream to the drive pulley. The belt guide roller is provided to maintain proper alignment of the toothed belt relative to the drive pulley and to retrain the lateral movement of the toothed belt portion. A direction reversing idler pulley is adapted to receive and guide the toothed belt in a manner such that the toothed belt portion stays in driving engagement with the drive pulley for a substantial distance around the drive pulleys rotational path of travel. | 12-31-2009 |
20100044158 | Traction device - The invention relates to a traction device ( | 02-25-2010 |
20110278097 | Shaft Element for an Elevator System - A shaft element for a shaft of an elevator system comprising a longitudinal strand element and a connection to a shaft, wherein the shaft element is divided into a plurality of partitions to each of which a function is assigned is presented. | 11-17-2011 |
20120037460 | DRIVE PULLEY FOR AN ELEVATOR INSTALLATION - A drive sheave for driving at least one traction device of an elevator system, including at least one traction area in which recesses are formed, which recesses extend substantially perpendicular to a circumferential direction of the drive sheave in the form of grooves, wherein the drive sheave is formed by a one-piece drive sheave body having the at least one traction area, and the grooves extend in the drive sheave body. | 02-16-2012 |
20120103730 | ELEVATOR - An elevator comprising a cabin ( | 05-03-2012 |
20130056304 | Elevator Without Counterweight With a Cogged Belt and Pulley - An elevator without a counterweight and with a cogged belt and pulley has deflecting pulleys arranged above and below the car, respectively. In the upper portion of the hoistway there is, on one hand, a hanger for the cogged belt and, on the other hand, a machine having a cogged driving pulley. In the lower portion of the hoistway, there is a tensioner associated with a deflecting pulley. Another deflecting pulley is provided. The pulley has a diameter greater than 100 mm, is made of a single part, and has helical cogs. The machine has an associated deflecting pulley and non-slip rollers. The cogged belt is made of transparent polyurethane and a textile mesh covering the cogged portion. In addition to a uniform and well balanced translation of the car, an effective reduction of noise levels is achieved. | 03-07-2013 |
20130056305 | Elevator With Cogged Belt and Pulley and With Counterweight - An elevator has deflecting pulleys above or below a car, fastenings for securing the ends of a cogged belt disposed in an upper portion of a hoistway. A machine is formed by a gearless motor on the shaft of which are assembled at least one cogged pulley made of a single part with helical cogs and with a diameter greater than 100 mm. The machine has a support, a brake, an integrated deflecting pulley, and non-slip rollers, all of these elements being mounted on a base. The machine is in a projection of a counterweight. The counterweight is disposed at a side of the hoistway. The cogged belt has steel reinforcement cables embedded in transparent polyurethane and the cogged portion is covered with a textile mesh. This configuration achieves a reduction of noise level and uniform translation of the car. | 03-07-2013 |
20160016759 | INSTALLATION ARRANGEMENT FOR AN ELEVATOR - The object of the invention is an installation arrangement for an elevator in an elevator hoistway, which installation arrangement comprises at least a suspension member aligned downwards from the top part of the elevator hoistway, in connection with which suspension member is, at least during the installation of the elevator car, an installation hoist arranged to move while supported by the suspension member, and in which installation arrangement at least the guide rails of the elevator and the elevator car traveling guided by the guide rails are installed in the elevator hoistway. An auxiliary hoist provided with a hoisting means is fitted onto the suspension member, which auxiliary hoist is arranged to move reciprocally in the vertical direction along the suspension member. | 01-21-2016 |
20160060077 | ELEVATOR - An elevator includes a hoistway; an elevator car vertically movable in the hoistway; a balancing weight vertically movable in the hoistway; a first roping including one or more belt-shaped first ropes interconnecting the elevator car and balancing weight, each of said one or more ropes passing around one or more first rope wheels mounted in proximity of the upper end of the hoistway, each of said one or more first ropes including one or more load-bearing members, each of which load-bearing members being made of composite material including reinforcing fibers embedded in a polymer matrix; a second roping including one or more toothed belt-shaped second ropes interconnecting the elevator car and balancing weight, each passing around one or more second rope wheels mounted in proximity of the lower end of the hoistway, each of said one or more second ropes including one or more load-bearing members, each of which load-bearing members being made of composite material including reinforcing fibers embedded in a polymer matrix; said one or more second rope wheels including a toothed drive wheel engaging said one or more toothed belt-shaped second ropes; and a motor for rotating the drive wheel. | 03-03-2016 |