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Match Document Document Title
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...
8573365 Emergency brake apparatus for elevator system  
An emergency brake apparatus for an elevator system is installed on an elevator cage or a balance weight of the elevator system and includes a grip member with slant surfaces and a pressing...
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...
8312972 Brake equipment for holding and braking an elevator car in an elevator installation and a method of holding and braking an elevator installation  
Brake equipment for holding and braking an elevator car in an elevator installation, which is arranged to be movable along a brake track in two directions of travel, includes a mount with a brake...
8157061 Elevator installation with a braking device and method for braking and holding an elevator installation  
An elevator installation has braking equipment for braking and holding an elevator car which moves in vertical direction within guide tracks or rails. The braking equipment consists of at least...
7909142 Braking device for elevating platform assembly  
A braking device for an elevated platform assembly comprising a platform moveable along a generally vertical mast supporting an upright rack comprises an input gear assembly in mating engagement...
7753176 Emergency stop system of elevator  
In an emergency stop system for an elevator, a governor sheave that moves in synchronism with the raising and lowering of a car is wound around a governor sheave. The car is mounted with a safety...
7575099 Remotely resettable ropeless emergency stopping device for an elevator  
A brake mechanism (10) for an elevator (2) is activated in response to an electronic control signal to prevent movement of an elevator car (16) under predetermined conditions. The brake mechanism...
7398863 Safety device for elevators  
A safety device brakes an elevator car with a guide rail exhibiting an oblong guide flange. The safety device includes a base carrying a retaining element and an abutment with the guide flange...
7128189 Equipment for engaging a safety braking device for a lift cage  
A tripping device for engaging an elevator lift cage safety brake has actuating levers arranged at a rotary axle for engaging safety brake wedges of the safety braking device. Each actuating lever...
7097003 Elevator landing door broken chain safety device  
A vertically sliding freight elevator landing door with a safety brake that deploys when a chain suspending the door breaks. The safety brake is adapted for use on both panels that slide up to...
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...
7036638 Brake arresting device with adaptable brake force for an elevator  
A safety brake device has a setting device moving an abutment or a housing to limit movement of brake wedges engaging a guide rail which limits a braking force applied by the brake wedges. The...
6997287 Elevator emergency stopping device  
In an elevator emergency stop device wherein emergency stop of the elevator cage (20) is achieved by generating frictional force at a sliding part (11) and guide rail (1) by pressing a sliding...
6988593 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...
6981575 Concrete rail safety device for an elevator car  
A safety device to arrest movement of an elevator car guided by non-metallic guide rails employs a friction surface mounted on a wedge. The wedge is located in proximity to an angular horizontal...
6820725 Safety brake assembly  
A safety brake assembly is disclosed comprising a housing movable on a vertical support, the housing attached to a carpet support arm, a pulley rotatably mounted on a shaft of the housing, a link...
6719101 Safety brake with retardation-dependent braking force  
A safety brake for braking a load receiving portion of an elevator has at least one brake wedge that penetrates a gap between a resiliently supported pressure body and a guide rail for the load...
6425462 Gravity-assisted elevator brake/clutch  
An elevator brake that utilizes the elevator platform weight to generate the necessary clamping force for stopping the elevator is disclosed. Electromagnetically released safety systems that have...
6318507 Emergency stop apparatus for elevator  
An emergency stop apparatus for an elevator having a simple structure as well as effectiveness, which may facilitate to reduce manufacturing and maintaining cost. The emergency stop apparatus for...
6296080 Variable traction mechanism for rotary actuated overspeed safety device  
In an elevator safety braking device, a variable traction mechanism in a rotary actuator allows the drive wheels of the rotary actuator to operate at a reduced preload during normal elevator...
6161653 Ropeless governor mechanism for an elevator car  
A ropeless governor system is provided for governing the speed of an elevator car (2) in the event of an overspeed condition. An actuator for a safety device (30) is positioned in close proximity...
6129302 Means of securing against impermissible unreeling of a belt element  
The invention relates to a device for securing against the impermissible unreeling speed of a belt element (80) from a shaft (82) of a lifter (70) used for transporting a handicapped person; the...
6109398 Safety gear  
A safety gear (1) comprising a frame provided with a braking surface, which, when the safety gear is braking, is pressed against a first guide surface of a guide rail. Mounted in the frame is a...
6092630 Arresting brake device for elevators  
An arresting brake device with triggering equipment for elevators provides different braking effect in upward and downward directions of travel. The device includes a tiltable rocker, as a barrier...
6082506 Breaking arrangement for elevating work platform  
A breaking arrangement for elevating work platform includes a break body, a C-shaped receiving piece, a breaking unit, and a break released handle. The breaking arrangement allows only upward...
6026936 Sliding safety gear  
A sliding safety gear designed to brake by gripping an elevator or counterweight guide rail includes a flexible frame surrounding the guide rail in the directions of the guiding surfaces of the...
6003636 Safety apparatus for elevator  
A safety apparatus for an elevator of the present invention includes an emergency stopping mechanism for generating a high frictional force to brake the elevator, a driving apparatus for operating...
5964320 Brake shoe for elevator emergency stop  
A brake shoe for an elevator emergency stop has a including a brake body having a braking face and (b) plurality of braking pieces embodied in the braking face side of the brake body to be...
5950768 Elevator speed regulating safety equipment  
Safety equipment, in the form of an arresting device with triggering equipment for an elevator cage, which runs in rail guides and is for the conveying of persons and/or goods, which safety...
5819879 Safety brake  
An elevator safety brake is provided comprising two cantilevers, a pivot, a spring, and a hold-off-engagement linkage. In one embodiment, the hold-off-engagement linkage is comprised of two upper...
5782319 Elevator car and counterweight safety  
A braking device is described for an elevator having a governor that actuates above a tripping speed for braking an elevator car or counterweight that is guided on a vertical guide rail. The...
5513760 Stacker crane with improved brake mechanism  
A stacker crane comprising a trolley movable above the ground, a generally vertical rigid mast depending form the trolley, an assembly including a frame moveable along the mast, and a load...
5370208 Double-sided safety gear  
A safety gear e.g. for an elevator car or counterweight, comprises at least one wedge chamber (8) and at least one working wedge (9) acting on an elevator guide rail (30) and activated by a...
5366045 Brake mechanism for a storage and retrieval vehicle  
An overspeed brake mechanism for a storage and retrieval vehicle (SRV). The brake mechanism includes wedges acting between a brake block attached to the load carriage of the SRV and a rail fixed...
5363942 Braking device for an elevator  
A braking device for an elevator, wherein a cage moves along a guide rail. The braking device includes a wedge braking device a speed governor and a linking mechanism. The wedge braking device...
5301773 Positive terminal overspeed protection by rail grabbing  
A permanent magnet 54 mounted on rods 41 passes vertically over a conductive plate 56 in an elevator hoistway 36, a reactive force causes movement of the permanent magnet 54 vertically away from...
5230406 Safety brake arrangement for elevators  
A safety brake arrangement for an elevator includes a brake for preventing relative movement of the elevator car and the elevator car guide rail, having a double wedge shape capable of preventing...
5224570 Brake catching device for elevator car and counterweight  
The brake catching device precludes the occurrence of excess speeds of an elevator car or counterweight in downward travel direction. At the front side of a housing there is provided a recess...
5159995 Safety gear for an elevator  
A safety gear for an elevator, in which the safety gear housing is mounted on the frame using transverse bars or the like. To prevent accidental gripping of the wedges when the elevator car moves...
5096020 Elevator safety apparatus  
An elevator safety apparatus is disclosed which is designed to be mounted on an elevator car, which car moves along guide rails; said apparatus comprising a frame, an area for wedge housings...
5065845 Speed governor safety device for stopping an elevator car  
A safety apparatus includes a safety device and a centrifugal force speed governor for preventing overspeed conditions of an elevator car in both the downward direction and the upward direction. A...
4819765 Arrester device for elevators  
An arrester device, e.g. for an elevator cage or counterweight, has a wedge housing, an active wedge acting on one side of an elevator guide and activated by a separate transmission member, such...
4538706 Progressive safety  
A safety device for stopping an elevator car or counterweight has a brake shoe on one side of a guide rail, and, on the other side, two leaf springs and a roller. The springs define a tapered...
4240529 Vertical conveying apparatus  
Apparatus for conveying goods in vertical direction, such as a stacker crane or elevator, with a lifting unit and an emergency braking system which influences the lifting unit as soon as a...
4078634 Lift apparatus and safety bracket usable therewith  
In the preferred embodiment of the invention disclosed herein a lift apparatus includes a load carriage movable along a mast member by a hoist means including a cable supporting the load carriage...
3908801 Vertical hoist assembly  
A vertical hoist car assembly such as would be used in a large power plant chimney, a silo, a dam structure, or the like, is disclosed. The assembly includes a ladder shaped guide track having...
3768597 ELEVATOR FLEXIBLE GUIDE CLAMP SAFETY  
In a compact elevator flexible guide clamp safety, the brake gibs are lifted into engagement with the guide rail by an operating member which extends transversely through the lever arms of the...
3762512 ELEVATOR RAIL GRAB SAFETY APPARATUS  
Safety apparatus for elevators designed to exert a braking force on the guiding rail in an elevator shaft to bring an elevator car to a controlled stop when the apparatus is actuated by an...
3653467 COMPENSATING SHEAVE APPARATUS FOR ELEVATORS  
Compensating sheave apparatus for an elevator system having an elevator car, a counterweight, a hoisting machine, hoisting roping and compensating roping, wherein the compensating sheave apparatus...

Matches 1 - 50 out of 55 1 2 >