Patent ID: 9027713
Filing Date: 2015-05-12
Classification: B66B

Abstract:
1. An elevator installation, comprising: an elevator cage carrier, the elevator cage carrier being disposed in a travel space; a first elevator cage arranged at the elevator cage carrier; a second elevator cage arranged at the elevator cage carrier; a first hydraulic adjusting element, the first hydraulic adjusting element being configured to raise or lower the first elevator cage relative to the elevator cage carrier; a second hydraulic adjusting element in fluid communication with the first hydraulic adjusting element, the second hydraulic adjusting element being configured to raise or lower the second elevator cage relative to the elevator cage carrier, the fluid communication between the first and second hydraulic adjusting elements being configured to convert raising or lowering of the first elevator cage by the first hydraulic adjusting element in a first adjustment direction into raising or lowering of the second elevator cage by the second hydraulic adjusting element in a second adjustment direction, the first and second adjustment directions being opposite directions.