Patent application number | Description | Published |
20120118678 | CODE STRIP FOR AN ELEVATOR INSTALLATION - A code strip has per meter a specific number of grid positions, which are provided in alternating sequence with openings and webs. A sensor can detect, for example, the travel direction of an elevator cage from the alternating sequence of the openings and webs. The code strip can be produced at, for example, the factory with alternating openings and webs per meter and adapted on site to the specific requirements of an elevator installation by breaking off the webs. Through breaking off the webs over a length a door zone, for example, is represented on the code strip. | 05-17-2012 |
20120305338 | REGULABLE ELEVATOR BRAKE - An elevator brake includes a housing and a brake unit, which is movable in an axial direction on a path between a braking position and a starting position, which includes at least one pull unit, and which is moved at least by a first spring force of at least one brake spring. A movement in the axial direction against the spring force of the at least one brake spring is generated by a stroke unit, which generates a stroke, at the pull unit of the brake unit. The first spring force of the at least one brake spring is reduced by a second spring force of a compensating spring stressed by the stroke of the stroke unit. | 12-06-2012 |
20130081907 | ELEVATOR BRAKING DEVICE - In an elevator installation an elevator cage is movable along at least two guide rails and the elevator cage is equipped with a braking system. An elevator braking device includes a brake element, a force store, which is constructed to press the brake element against the brake surface, and an actuator, which can act on the brake element and which is constructed in order to press, in a first operational setting, the brake element against the force of the force store away from the brake surface or to hold it at a spacing therefrom and in order to free, in a second operational setting, pressing of the brake element against the brake surface. | 04-04-2013 |
20130081908 | BRAKING DEVICE WITH ACTUATING DEVICE - An elevator cage is movable along at least two guide rails and the elevator cage is equipped with a braking system. The elevator braking device has a brake housing and a force store. The brake housing is mounted to be displaceable between a first position and a second position. The force store acts on the brake housing and pushes the brake housing in the direction of a second position. In addition, the elevator braking device includes an actuator which can act on the brake housing and keep the brake housing in a first position. The actuator in its first setting can hold the brake housing in the first position against the force of the force store. In a second setting the actuator enables pushing of the brake housing into the second position. A brake element is thereby brought into contact with the brake rail. | 04-04-2013 |
20130105250 | SPEED LIMITER FOR AN ELEVATOR | 05-02-2013 |
20130213750 | BRAKE SYSTEM - A brake system of an elevator, an escalator or a moving walkway includes a brake device with at least one brake shoe. The brake shoe has an effective surface which during brake use is pressed against a friction surface, which is moving or movable relative to the effective surface, of a counter-member. The brake system also includes a feed device which is supplied by a fluid source. A fluid can be fed between the effective surface of the brake shoe and the friction surface, which faces it, by means of the feed device. The friction between the effective surface and the friction surface can be influenced by the feed of the fluid. | 08-22-2013 |
20150298937 | SAFETY BRAKE FOR A TRAVEL BODY OF AN ELEVATOR SYSTEM - A safety brake for an elevator system having at least one traveling body movable in an elevator shaft along a guide rail and/or a brake rail. The safety brake is suitable for braking and retaining the traveling body on the guide and/or brake rail as required. The safety brake includes a control plate for receiving a brake body and for positioning the brake body relative to the guide and/or brake rail. The brake body is designed in at least two pieces and includes a first brake element and a second brake element. The first brake element is solely for braking and retaining purposes when the traveling body is moving along the guide and/or brake rail in an upward direction, and the second brake element is solely for braking and retaining purposes when the traveling body is moving along the guide and/or the brake rail in a downward direction. | 10-22-2015 |
20150329322 | ELEVATOR INSTALLATION WITH A SPEED LIMITER - A speed limiter for an elevator installation includes a stand, a wheel rotatably mounted on the stand and a non-circularly extending guide surface rotatable with the wheel. A pendulum, which is pivotable relative to the stand, with a pendulum wheel bearing against the guide surface is provided. In addition, a restraining device is provided, which loads the pendulum wheel at least indirectly with a restraining force against the guide surface. A switching vane connected with the pendulum comes into engagement with a blocking dog, which dog is connected at least indirectly with the wheel, when the pendulum is pivoted out to a certain extent in which the pendulum wheel lifts off the guide surface. In addition, an actuating device that triggers the engagement between the switching vane and the blocking dog is provided. | 11-19-2015 |
20150329323 | BRAKE DEVICE FOR A TRAVEL BODY OF AN ELEVATOR SYSTEM - A brake device for an elevator system with a travel body movable in an elevator shaft along a guide and/or brake rail brakes and retains the travel body on the rail as required. The brake device includes a control plate receiving a brake body and for positioning the brake body relative to the rail. The brake body has first and second brake elements pivoted about a common axis. The first brake element is for braking and retaining purposes when the travel body is moving along the rail in an upward direction, and the second brake element is for braking and retaining purposes when the travel body is moving along the rail in a downward direction. | 11-19-2015 |
20150329324 | ELEVATOR BRAKING METHOD - In an elevator installation an elevator cage is movable along at least two guide rails and the elevator cage is equipped with a braking system. An elevator braking device includes a brake element, a force store, which is constructed to press the brake element against the brake surface, and an actuator, which can act on the brake element. A method of operating the braking device includes the actuator pressing, in a first operational setting, the brake element against the force of the force store away from the brake surface or to hold it at a spacing therefrom, and the actuator freeing, in a second operational setting, the brake element and allowing the force store to press the brake element against the brake surface. | 11-19-2015 |