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Match Document Document Title
8973717 Rope braking apparatus  
The present invention relates to an elevator wire rope braking apparatus, and more particularly, to a rope braking apparatus which prevents partial abrasion of the wire rope while increasing...
8869946 Emergency stop device for elevators  
An emergency stop device for elevators which actuates when an abnormal speed in both ascending and descending directions of a car is detected by one governor. The emergency stop device includes an...
8863909 Braking device for braking a lift car  
A braking device (2) for braking a lift car which moves relative to a lift shaft, having at least one braking module (6) which is provided in order to interact with a device, and having a catch...
8550217 Elevator  
The invention relates to an elevator provided with a safety gear arrangement, the elevator including at least an elevator car arranged to travel back and forth substantially vertically along guide...
8511437 Elevator car brake with shoes actuated by springs coupled to gear drive assembly  
An elevator car braking apparatus includes a gear drive assembly for compressing one or more springs which are coupled by a cam follower to one or a pair of brake shoes. When the springs are...
8485318 Elevator rope braking system  
An elevator rope braking system including a base portion and a top portion affixed by at least one mounting structure; an outer housing and a magnetic core arranged on and affixed to the base...
8256579 Elevator car brake  
The present invention relates to a braking apparatus and an elevator system comprising the braking apparatus for grasping or gripping a hoisting rope of the elevator. The system comprises a pair...
8006806 Emergency brake of elevator  
According to an emergency brake device for an elevator, a brake body is capable of coming into and out of contact with an outer periphery of a sheave which is rotatable, and is capable of being...
7819229 Elevator safety system  
An apparatus in an elevator for detecting and stopping an uncontrolled movement of the car when a machine brake intended to keep the elevator car immovable is on. The apparatus comprises a motion...
7650972 Elevator  
An elevator may include an elevator car, hoisting ropes, traction sheave, and compensating device. The hoisting ropes may support the elevator car. The traction sheave may move the elevator car...
7607516 Elevator governor device  
An elevator governor includes a selectively powered switch (60) that is activated when an elevator car moves at a speed that exceeds a selected limit. The speed limit is lower than normally...
7607518 Emergency brake of elevator  
According to an emergency brake device for an elevator, a brake body is capable of coming into and out of contact with an outer periphery of a sheave which is rotatable, and is capable of being...
7419033 Emergency brake device for elevator  
An emergency brake device for an elevator includes a brake shoe portion provided inside a sheave 1 or deflector sheave of an elevator and having a brake shoe 5a at a lower end of the brake shoe...
7080717 Emergency brake apparatus of elevator  
In an elevator emergency braking apparatus, a braking device main body has a main body braking surface facing a main rope and positioned at a first side of a main rope array, and a tapered surface...
7073632 Safety system for restraining movement of elevator car when car doors are open  
A safety system for an elevator car which will prevent movement of the elevator car should the car drift beyond a predetermined distance from the hoistway sill with the car door in an open position.
RE38835 Remote brake release mechanism for an elevator machine  
A brake release mechanism for an elevator machine includes apparatus to reduce the braking force on the machine shaft. The apparatus may be actuated from a position located remotely from the machine.
6691834 Elevator governor  
A centrifugally activated device for controlling the speed of movement of an elevator cab includes the capability of controlling upward and downward movement. A first stopping device is associated...
6631790 Method for braking a traction sheave elevator, traction sheave elevator and use of an emergency power supply  
A method for braking a traction sheave elevator stops the elevator in the event of an emergency by the braking of the elevator using a braking device not comprised in the drive machine. A traction...
6619435 Device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation  
A device for preventing uncontrolled acceleration of an elevator car installed in an elevator installation. The device has a limiting cable guided over rollers in a direction of movement of the...
6293376 Apparatus including eddy current braking system  
Eddy current braking apparatus includes a linear array of spaced apart permanent magnets arranged for defining a slot therebetween. A diamagnetic or non-magnetic fin is disposed and sized for...
6269910 Elevator rescue system  
An elevator rescue system includes a power source of back-up electrical power. A manually-operated, rescue enable switch switchably permits the transmission of electrical power from the power...
6230844 Rope traction elevator  
An elevator drive for a rope traction elevator, which is intended for installation in an elevator hoistway, includes of a gear with a traction sheave, a motor in an upright position on top of the...
6223868 Brake mechanism for device for hauling up/down by rope  
A brake mechanism for a device for hauling up/down by rope, in particular one for the safe hauling up and down by rope of persons and loads. The device has a pulley which preferably has a back...
6158554 Safety device for moving the lift cabin in case of fault of the main lifting system  
A safety device in a lift system comprising a cabin moveable along a shaft for moving the cabin in the event of a fault of the main lifting system. The safety device includes a platform located...
6116380 Elevator provided with emergency escape  
An elevator is provided with an emergency escape device consisting of a pull cable capable of bringing about the disengagement of a brake with a transmission shaft of a planetary deceleration...
6021872 Remote brake release mechanism for an elevator machine  
A brake release mechanism for an elevator machine includes apparatus to reduce the braking force on the machine shaft. The apparatus may be actuated from a position located remotely from the machine.
5971109 Arrangement for releasing the brake of an elevator machinery  
A manually activated elevator braking release including an actuating element placed away from the brake and a mechanical power transmission system for transmitting releasing power from the...
5890565 Elevator emergency escape device  
An elevator emergency escape device provided with a brake fastened to the motor shaft and located in the mechanical control room. An action wheel is mounted on the motor shaft such that the action...
5794737 Antislip traction machine  
An elevator drive machine includes a speed reduction unit, a driving sheave, and the first and the second driven sheaves formed over the driving sheave and arranged a triangle with the driving...
5713433 Auxiliary escape of elevator  
An auxiliary device for operating a disabled elevator in case of emergency includes a pull cable and an action cable by which the disabled elevator can be raised or lowered to reach a desired...
5680911 Elector emergency device  
An elevator emergency device comprises a motor transmission spindle brake provided with an action rod having horizontally a application rod capable of swinging and having a pull cable fastened...
5653312 Elevator governor  
An elevator governor has two balancing springs, i.e., a first balancing spring for continually urging flyweights in a direction against a centrifugal force and a second balancing spring for urging...
5630483 Procedure and apparatus for triggering the safety gear of an elevator  
In this overspeed governor, an overspeed condition causes, by way of coupling elements (15,15'), a brake (5) comprised in the overspeed governor to engage a rope pulley (3) which, due to friction,...
5617933 Bi-directional elevator governor  
An elevator governor rope brake assembly is disclosed for slowing governor rope movement upon the occurrence of unintended movement of an elevator cab. The assembly comprising a governor sheave...
5492200 Procedure and apparatus for triggering the safety gear of an elevator  
A procedure and an apparatus triggers the safety gear of an elevator at a speed lower than the gripping speed. The overspeed governor of the elevator comprises a pulley (3) driven by the safety...
5394960 Descent device  
A descent device includes a load carrier, a winder unit with a coil of cable for suspending the load carrier in mid-air so as to raise or lower the load carrier, and a retarding unit for impeding...
5307904 Stopping of elevators in the up direction  
A stopped plate is provided in the overhead area in an elevator hoistway above the uppermost landing in the building. The stopping plate is mounted in the hoistway and is operable to stop upward...
5197571 Self centering elevator cable safety brake  
An elevator cable safety brake is disclosed. The brake includes a first housing which is slidably mounted in a second housing. The first housing has an opening through which the elevator cables...
5101937 Self centering elevator cable safety brake  
An elevator cable safety brake is disclosed. The brake includes a first housing which is slidably mounted in a second housing. The first housing has an opening through which the elevator cables...
5067593 Braking device for elevator winding machine and elevator using the braking device  
A braking device for an elevator winding machine generates a braking force by contacting a rotary body driven by a rotary shaft of the winding machine with a brake section supported through the...
5052523 Elevator car-mounted govenor system  
An elevator car speed governor is mounted on the top of the car assembly, and measures car speed by contacting a fixed element in the hoistway. The fixed element can be a taut cable extending from...
4977982 Elevator sheave brake safety  
The cable drive sheave (14) carries a wedge-shaped brake ring (44) engageable with V-shaped brake shoes (52, 58). Each shoe is spring biased (68, 76) tangentially toward the ring and resiliently...
4928796 Lift  
A lift is provided with a detector for sensing when the brakes are engaged and the motor is disengaged. A tachometer detects movement of the lift, the lift slipping despite the engagement of the...
4805741 Elevator brake  
A torque-responsive brake, in particular for elevators, comprises two or more brakes arcs, brake shoes pivotally connected to the brake arcs and having attached brake linings and a brake actuating...
4653612 Speed limiter for lifts provided with catch device  
The present invention concerns a speed limiter for lifts provided with catch device. The tension force acting on the lifting rope of an elevator is greatly variable. A detrimental feature herein...
4540329 Safety lock for tailgate lift  
A safety locking mechanism for locking a hoist, such as a power operated tailgate, with repect to its supporting structure comprises: a pair of latch arms which are connected to one another by a...
4388837 Positive engagement fail safe mechanism and lift belt construction for long stroke, well pumping unit  
A self-energizing, positive engagement, fail safe mechanism for long stroke, well pumping units, whether powered mechanically or hydraulically, and which employ a lift belt. Upon failure of the...
4359207 Emergency stop mechanism for the payload of a lifting mechanism  
An emergency stop mechanism for a lifting device capable of moving a load along a predetermined path against and with the force of gravity using a primary cable. The emergency stop mechanism...
4254939 Safety devices for load lifting and lowering apparatus  
A safety device for load lifting and lowering apparatus of the kind comprising a pair of parallel spaced apart upright guide members of hollow section along each of which travels a runner mounted...
4179012 Stairway-type passenger lift  
A stairway lift for use by an invalid or handicapped person has at the upper end of the stairs a drive sprocket, at the lower end of the stairs an idler sprocket, and a pair of tubular guides...

Matches 1 - 50 out of 137 1 2 3 >