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Document Title |
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7237651 |
Rappelling apparatus
A rappelling apparatus providing controlled constant speed to a cable unwinding from a rotating spool in frictional engagement with a stationary arcuate surface. Rotations of the spool are...
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6966407 |
Escape-Right
The Escape-Right is an emergency escape system comprising: a passenger harness, a cable, a reel, a shaft fixed to the reel permitting rotation of the reel as the cable is unrolled, a reduction gear...
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6868942 |
Emergency escape system
An emergency escape system includes an escape apparatus and a door. The escape apparatus is connected to the door. The escape apparatus includes a cord and a release mechanism. The release...
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6607055 |
Emergency escape pulley structure
An emergency escape pulley structure includes a main shaft on which a plurality of rope wheels are mounted. The main shaft actuates a deceleration gear set, so as to link a braking wheel. The rope...
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6279682 |
Speed responsive coupling device especially for fall arrest apparatus
A speed responsive coupling device for locking a first member with respect to a second against relative rotation in at least one direction, which device comprises a ratchet wheel carried by said...
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5996921 |
Centrifugal braking apparatus for baitcasting reel
A centrifugal braking apparatus for a baitcasting reel comprises a spool, pivot shafts, brake levers, and a ring-shaped braking member. The spool is rotatably supported between both side plates of...
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5918701 |
Roping device
A roping device having an automatic emergency brake includes a generally elongate body having an attachment means at one end, a first rotatable sheave mounted on the body having an annular groove...
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5771993 |
Safety devices for fall restraint
The present invention provides a retractable lifeline safety device in which the side of the housing thereof comprises at least two extruded metal housing member which are connected to form the...
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5738339 |
Rope traction device with connected locking units
A rope traction device has locking units that include a sheave on which a traction rope is wound. The rope traction device is adapted to be moved along with the traction rope and includes a...
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5701972 |
Device for roping down or hoisting persons and/or loads from or to great heights
A device for lowering or raising people and/or loads over heights, in which the rope pulley is rotatably fitted on a base plate via a brake disc. A brake pad is allocated to the brake disc on one...
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5450923 |
Fire escape device
A fire escape device includes a frame, two supports disposed on the frame, a rod having two ends extended through the supports a pulley fixed on the rod, a cable engaged over the pulley, a...
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5447280 |
Fall-arrest safety anchorages
A fall-arrest safety anchorage has a safety line drum (10) and braking components assembled to a spine plate (1). The braking components comprise a rotatable brake component (2) and fixed brake...
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5351906 |
Safety anchorages for controlling pay-out of a safety line
A fall-arrest safety anchorage has a safety line drum 10 and braking mechanism assembled to a spine plate (1). The braking mechanism comprises a rotatable brake component (2) and fixed brake...
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5343976 |
Safety device
A safety device for preventing injuries to a worker as a result of a fall includes a housing which is intended to be mounted at an elevated position where the worker is working and a cable which is...
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5127631 |
Chain hoist with integral safety device
A chain hoist for supporting and selectively raising and lowering a load includes a powered gearwheel that is connected through a frictional lock with one or more friction disks fixed for rotation...
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5102063 |
Aerodynamically braked towed vehicle deployment device
This invention relates to an aerodynamically braked vehicle deployment device. The deployment device system generally comprises a spool member. A tow line is bifilar wound about the spool member in...
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5094405 |
Mechanically braked towed vehicle deployment device
This invention relates to a mechanically braked vehicle deployment device. The deployment device comprises a spool member having a guide member rigidly connected thereto. A tow line is bifilar...
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5076395 |
Portable slow descender
A portable slow-descending device is provided in which a lifeline in the form of a tape is selectively dispensed from a reel around which the lifeline is wound. A planetary gear mechanism and a...
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5060758 |
Emergency descending device
An emergency descending device comprising a rotary wheel and a cam mounted between a pair of side plates, with a main rope passing between the rotary wheel and the cam. The rotation of the rotary...
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4986390 |
Portable slow descender
The slow-descending device of this invention is so small and light that anybody can easily carry it in a traveling bag, or the like. Therefore, it is useful as an emergency evacuation device which...
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4949812 |
Descent system
A lowering device for assisting persons to escape from multi-storied buildings in an emergency situation, and adapted to engage a cable or rope of twisted configuration. The device includes an...
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4941549 |
Fire escape apparatus
A fire escaping apparatus being of a small bulk, requiring no energy source and capable of continuously transporting escaping persons is provided. The apparatus includes a housing attached to a...
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4941548 |
Fall arresting device for climbers
A fall arresting device attached to a climber's safety harness having an open-sided elongated housing joined together near its center by a spindle, a drum rotatably mounted on the spindle, a clove...
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4934660 |
Device for raising and lowering loads
A device for raising and lowering a load has a braking device, brake indicator, and a one-way pulley. The braking device uses a wedge-shaped braking element to stop the advancement of a cord. The...
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4729454 |
Self-braking safety apparatus for the rapid descent of persons in cases of emergency
A self-braking apparatus is provided for cases of emergency in which a rapid descent of persons threatened by fire or danger is required on the outside of buildings or the like. The apparatus can...
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4687077 |
Portable manually operated rescue and lowering cable
This specification describes a portable manually operated rescue and lowering device. It consists of a coaster-brake bicycle hub with its flanges extended enough to form a drum to accommodate about...
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4671384 |
Window escape descent control device
The window escape descent control device for emergency use from upper windows of tall buildings comprises a body harness supported on the end of a rope wound around a flanged spool. The spool, when...
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4653609 |
Controlled descent apparatus
A controlled descent apparatus for lowering a person from an elevated place includes a cable which is wound on a drum and is unwound from the drum by the weight of the person to effect the descent....
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4640388 |
Escape device
An escape device uses multiple discardable cable spools. The escape device casing is fitted to a window ledge by front and rear locking feet. A person attempting to escape uses hand grips to...
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4623038 |
Portable escape device
The present invention is directed to a new and improved design associated with the fabrication and construction of a portable escape device wherein a cable is wound around a drum physically encased...
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4611688 |
Re-windable fire escape
There is disclosed herein a fire escape for the lowering of a plurality of escapees to the ground. Included in the present structure is a shaft, a spool journalled upon the shaft, a cable having a...
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4603759 |
Fire escape descender
A fire escape descender capable of controlling the descending speed, thereby ensuring that the escaper can escape from the burning building at a desired speed, wherein the speed controlling is...
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4602699 |
Fire escape with cable reel brake
A fire escape device having a housing and cable drum rotatable therein with a cable connected thereto and extending from the housing for connection with a supporting structure with the housing...
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4589523 |
Fall arrester and emergency retrieval apparatus and anchor apparatus therefor
A fall arrester and emergency retrieval apparatus and a support tripod therefor, wherein an emergency retrieval assembly is operably associated with a clutch-brake type cable drum to enable cable...
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4538703 |
Climbing aid and safety descent system
A safety system which permits the free movement of the user, assists the ascent of the user and provides a reduced, controlled rate of descent in the event of an emergency descent or a fall,...
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4513952 |
Drive mechanism for cable drums
A drum hoist or winch in which at least one circular cam lobe mounted eccentrically on an axle overlapping the axle is interconnected with a like circular cam lobe mounted on a second axle by...
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4487292 |
Let down apparatus
An apparatus is provided for letting a person down from a substantial height. The invention includes: a rotatably mounted reel for retaining an elongate extension member adapted to be connected to...
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4485893 |
Apparatus for emergency evacuat1on of people from tall buildings
An apparatus for emergency evacuation of people from tall buildings having a sliding descent device for removably coupling to a vertical guide column fixed to an exterior wall of the building, a...
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4458781 |
Climbing aid and safety descent device
A novel controlled descent device is disclosed which not only aids in the ascent of a human being from a lower elevation to an upper elevation but also provides for the safe descent of a human...
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4457400 |
Emergency descent device
A device for lowering a person from a building by dispensing a cable that is anchored on one end to the building. The cable is played out of the device by unwinding the cable from a spool. In one...
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4448284 |
People rescue device
This invention relates to a device for escaping from buildings in case of fires or other emergencies. The device enables persons to be rescued to leave the building by descending vertically along...
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4416430 |
Load lowering device
A compact, self-contained device for use in safely lowering filled beer kegs from the bed of a delivery truck to the ground. The device includes a hollow drum rotatably carried within a sealed...
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4253643 |
Escape device
A fire escape having a cable-carrying drum mounted for rotation on a fixed shaft supported by a frame wherein the speed of rotation on the drum when the cable is laid out is governed by a...
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3915432 |
Triple action mechanical chute-hoist
An apparatus for ascending or descending a cable, for example, from a helicopter with a reel member mounted for rotation, to wind or pay out cable, in a frame worn by the human ascending or...
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3850262 |
ESCAPE MACHINE
An escape device for rescuing persons or articles from multi-storied buildings, especially in cases of emergency such as fire, which includes a rotatable drum around which rope (with a hanger or...
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3602483 |
LOAD-LOWERING DEVICE
This invention relates to an automatically braked load-lowering device wherein the free end of the load line is secured to an overhead support and payed off the rotating hub of a reel that descends...
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3150744 |
Individual safety elevator
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3016113 |
Safety brakes for hoist lines
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2990131 |
Safety block
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2791397 |
Safety reel
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