B66B5/22

Elevator apparatus

In an elevator apparatus, an activating lever that activates an emergency safety gear is disposed on the emergency safety gear. A speed governor mechanism has: a speed governor sheave; a tensioning sheave; and a speed governor rope that is wound onto the speed governor sheave and the tensioning sheave, and that is connected to the activating lever. A resistance applying mechanism is disposed on the car. The resistance applying mechanism applies a resisting force during ascent of the car against movement of the activating lever in a direction that activates the emergency safety gear.

Safety device for a lift system, lift system and method for operating a safety device

A safety device for an elevator system may include a safety element that in a release position holds a safety system in a deactivated state and in a blocking position activates the safety system. The safety element may exert a driving force configured to transfer the safety element from the release position into the blocking position. A holding element may exert a holding force on the safety element that counteracts the driving force to hold the safety element in the release position. In the release position of the safety element, the holding force exceeds the driving force by a tolerance amount that is adjustable depending on different operating modes that are possible in the release position of the safety element. The safety device may be configured to transfer the safety element into the blocking position, to reduce the holding force such that the driving force exceeds the holding force.

Safety device for a lift system, lift system and method for operating a safety device

A safety device for an elevator system may include a safety element that in a release position holds a safety system in a deactivated state and in a blocking position activates the safety system. The safety element may exert a driving force configured to transfer the safety element from the release position into the blocking position. A holding element may exert a holding force on the safety element that counteracts the driving force to hold the safety element in the release position. In the release position of the safety element, the holding force exceeds the driving force by a tolerance amount that is adjustable depending on different operating modes that are possible in the release position of the safety element. The safety device may be configured to transfer the safety element into the blocking position, to reduce the holding force such that the driving force exceeds the holding force.

ELEVATOR SAFETY DEVICE
20210354956 · 2021-11-18 ·

An elevator safety device includes: a lower beam; and an emergency stop device mounted parallel to the lower beam in order to perform an emergency stop of an elevator car, wherein the lower beam includes: a first side member; a second side member disposed opposite the first side member; a front support member configured to be coupled to and to support front portions of the first side member and the second side member; and a rear support member configured to be coupled to and to support rear portions of the first side member and the second side member.

ELEVATOR SAFETY DEVICE
20210354956 · 2021-11-18 ·

An elevator safety device includes: a lower beam; and an emergency stop device mounted parallel to the lower beam in order to perform an emergency stop of an elevator car, wherein the lower beam includes: a first side member; a second side member disposed opposite the first side member; a front support member configured to be coupled to and to support front portions of the first side member and the second side member; and a rear support member configured to be coupled to and to support rear portions of the first side member and the second side member.

SAFETY GEAR ARRANGEMENT, ELEVATOR SYSTEM, AND METHOD FOR OPERATING A SAFETY GEAR OF AN ELEVATOR SYSTEM

A safety gear arrangement for an elevator system, comprising a safety gear mechanism comprising at least one wedge portion of the safety gear arrangement, wherein, in a normal position, the at least one wedge portion is retracted and, in an operated position, extended by a first spring element for acting on a guide rail of the elevator system, and a triggering device comprising an electromagnet, a second spring element, an actuating member, and an excitation power input, wherein the electromagnet is arranged, while being supplied with excitation power, to maintain the actuating member in an untriggered position against the second spring element, and the actuating member is arranged to operate the safety gear mechanism in response to moving of the member from the untriggered to a triggered position due to the second spring element.

SAFETY GEAR ARRANGEMENT, ELEVATOR SYSTEM, AND METHOD FOR OPERATING A SAFETY GEAR OF AN ELEVATOR SYSTEM

A safety gear arrangement for an elevator system, comprising a safety gear mechanism comprising at least one wedge portion of the safety gear arrangement, wherein, in a normal position, the at least one wedge portion is retracted and, in an operated position, extended by a first spring element for acting on a guide rail of the elevator system, and a triggering device comprising an electromagnet, a second spring element, an actuating member, and an excitation power input, wherein the electromagnet is arranged, while being supplied with excitation power, to maintain the actuating member in an untriggered position against the second spring element, and the actuating member is arranged to operate the safety gear mechanism in response to moving of the member from the untriggered to a triggered position due to the second spring element.

BRAKING UNIT AND TOWER LIFT

The present invention provides a tower lift. The tower lift includes: a rail module extended in a vertical direction; and a carriage module provided to be movable by a magnetic levitation method along the rail module, in which in the carriage module, a braking unit which brakes falling of the carriage module when power driving the tower lift is cut is installed.

BRAKING UNIT AND TOWER LIFT

The present invention provides a tower lift. The tower lift includes: a rail module extended in a vertical direction; and a carriage module provided to be movable by a magnetic levitation method along the rail module, in which in the carriage module, a braking unit which brakes falling of the carriage module when power driving the tower lift is cut is installed.

Catching device for a traveling body, elevator system having a catching device and method for unblocking a catching device

A catching device for a traveling body in an elevator system and a method for unblocking the catching device include at least two retaining units that can be brought into a blocked state and into an unblocked state, the retaining units retaining the traveling body on a rail in the blocked state. The retaining units are connected to the traveling body such that each of the retaining units and the traveling body can be slid relative to each other within a limited sliding displacement. A first sliding displacement of a first of the retaining units is longer than a second sliding displacement of a second of the retaining units.