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7482919 |
Multi-functional emergency egress system
An emergency egress system includes a controller that is located within a dwelling, adjacent to a window thereof, and has a user interface. The controller is coupled to an external power supply...
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7392593 |
Angle meter and spirit level
The angle meter and spirit level apparatus can be affixed to a ladder and used to determine the angle at which the ladder is placed. The apparatus is also self-verifying in that it provides a way...
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7370725 |
Motorized rungless ladder
A device supported by a ground surface and a structure for at least one of elevating and descending a user. The device includes a first guide rail having a first channel extending along a length...
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7341159 |
Safety system for preventing falls
A safety system for preventing crane operator injury. Two ergonomic tracks are attached on either side of the working crane. A fall transmitter is used whenever a crane operator is not on the...
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7337878 |
Emergency ladder system
An emergency ladder system for providing an exit from non-ground level floors of a building in the event of an emergency such as a fire includes an alarm system having fire detectors positioned in...
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7182174 |
Method and system for emergency evacuation of building occupants and a method for modernization of an existing building with said system
A method and a system for emergency evacuation of building occupants and to a method for modernization of an existing building with the evacuation system. The system is used in a multi-story...
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7163221 |
Retractable vehicle step with anti-strike/anti-pinch sensor system
A retractable step assist for a vehicle comprises a step, an actuator, an optical fiber sensor, and a safety. The step is movable between a retracted position and a deployed position that is...
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6966403 |
Smart ladder
A ladder with a tip warning system. The ladder is configured to be carried by at least one human user, and includes a plurality of legs with rungs disposed between the legs, and a tip warning...
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6945356 |
Termination arrangement for a horizontal lifeline cable
A termination arrangement for a horizontal lifeline cable ( 4 ) for use with a structure ( 6 ) includes an elongate stocking ( 14 ) of woven wire form surrounding an end section of the cable ( 4 )....
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6942070 |
Emergency braking and shock absorbing device for a lift or suspended load
The load or the working platform is suspended and displaced by at least a pair of cables whereof the stresses are equivalent. Advantageously, each pair of cables is controlled by an emergency...
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6880671 |
Save me! sling
A fire escape device that enables parents to lower their children (as well as pets and possessions) to the safety of the ground from elevated windows or terraces of tall structures. The...
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6868941 |
Security belt
The invention relates to a security belt, in particular for personal protection, which can be attached and fixed to the human body. The belt comprises at least two belt sections which enable the...
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6771181 |
Crawl to the light emergency exit
The present application provides a new emergency exit system. The system comprises an exit door controlled by an emergency detection system, which includes emergency detection sensors such as a...
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6766761 |
Firehose coupling exit indicator
An indicator device captured between couplers of ends of firehose sections that point to the source of the firehose and to safety. The preferred embodiment includes gasket-like annular body which...
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6691824 |
Comfortable safety harness
An improved strap for the construction of safety harnesses of the type designed to protect against falls provides increased flexibility and comfort. The strap is composed of a tubular sheath of...
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6657547 |
Sensing and warning system for ladder load
Disclosed is a sensing and warning system for ladder load composed of sending means, a recording and calculation device, and an alarm for detecting, recording and evaluating the ladder load, and...
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6585079 |
Work platform with rotary actuator
A fluid-powered rotatable work platform assembly for use with a vehicle such as a vehicle having an arm for positioning the assembly. The assembly includes a work platform or support configured to...
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6578663 |
Step signal
A structural step including relatively moveable parts wherein pressure step contact therebetween generates an impact audible mechanical sound alarm in a selected decibel range.
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6530456 |
Locking device for scaffolding elements
The invention relates to scaffolding, especially facade scaffolding, comprising vertical poles ( 11 ) located one behind the other, preferably in pairs, and interconnected at given vertical...
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6457556 |
Catching device for a system for protecting persons working at heights
A damping element for a catching carriage for damping the catching impact in the event of a fall of a user from a height includes a first end adapted to be connected to the carriage and a lug...
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6443259 |
Passive deployment readiness indicator for aircraft evacuation slide
The present invention comprises an inflatable over-the-wing evacuation slide having a readiness indicator the meaning of which is intuitively obvious to an untrained person. In one embodiment, the...
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6439341 |
Apparatus for monitoring loading of a lift
A load lift comprising a lifter and a linkage on the lifter carrying a load support for movement therewith to different elevations. The linkage is a four-member linkage which includes a first...
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6405114 |
Aerial work platform boom having ground and platform controls linked by a controller area network
An aerial work platform supported by a riser boom, a telescoping main boom, and a jib boom. Boom movement may be controlled by a platform control module or a ground control module connected to a...
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6367584 |
Ladder for above-ground pools with incorporated foot rinsing system
A ladder for aboveground pools with incorporated foot rinsing system including a ladder portion adapted for coupling with a swimming pool. The ladder portion is comprised of a pair of elongated...
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6364056 |
Smoke and fire rescue system
A system for providing escape from a burning building. A fire resistant main cable is disposed adjacent the walls of the building at floor level leading to an exit. Rescue boxes including short...
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6330931 |
Fall protection system and method
Disclosed is a machinery operator protection system and method, which inhibits the use of machinery unless the operator of the machinery is properly secured with a lanyard and/or body harness to...
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6330933 |
Scissor lift control apparatus and method
A controller, for a scissor lift control system includes a multiplexing device for lessening the number of conductor lines sent to the controller. The controller includes a microprocessor, and it...
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6328129 |
Fire escape system
A fire escape system for providing an apparatus for escape from building structures. The fire escape system includes a container having an open front, a back wall, and a door hingedly attached to...
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6279680 |
Energy absorbing connector
A first end of a metal strip is separated into first and second tabs which are connected in series between first and second members. At least one line of interruptions extends along an intermediate...
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6272413 |
Safety system for boom-equipped vehicle
While a crawler body 110 is traveling, infrared sensors 144 and an elevational difference calculator 132 incorporated in a controller 130 detects the magnitude of a step present ahead of the...
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6268798 |
Firefighter emergency locator system
An emergency locator system (10) for firefighters (100) including a first housing unit (11) carried by a firefighter and containing a global positioning receiver unit (12), a memory unit (13), and...
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6264222 |
Retractable stairway assembly for a vehicle
A stairway assembly is pivoted between deployed and stowed positions. The stairway in one form includes a sliding support from which the stairway is suspended at a location spaced from a stairway...
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6179312 |
Retractable stairway for entering and exiting a vehicle
A retractable stairway assembly for entering and exiting a vehicle with a cab has a stairway with steps. The stairway assembly is movable between a retracted position, in which the stairway is...
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6173810 |
Trailer personnel lift with a level sensor and manually set outriggers
A trailer personnel lift (20) with a level-sensing system (69). The level-sensing system (69) provides information to a level-indicator display (72) that indicates which outriggers (34) of the...
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6170607 |
Electrical hazard warning system for aerial devices
A warning system for an aerial device which provides an alarm signal when a worker on an aerial work platform is exposed to an electrical hazard. The aerial device has an insulated boom which...
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6158548 |
Personal safety device
A personal safety device comprising a harness, a positioning strap attached to spaced apart region on the harness by way of a transfer strap. The ends of the positioning straps disconnect from the...
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6029772 |
Ladder provided with reflectors
A reflector having a plurality of grooves formed on the outer periphery and extending in the axial direction thereof and irregularities formed on the inner periphery thereof to provide secure...
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6019190 |
Motor cover for a work assist vehicle
A work assist vehicle includes a self propelled, steerable body having a chassis and a drive mechanism supported on the chassis; a mast assembly coupled to the body; and, a personnel compartment...
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6006860 |
Safety harness or belt with fiber means to indicate shock loading
A harness or belt to be worn by a person connected to some elevated anchor point, e.g., a rope grab on a safety line, to prevent the person from a fall. The device comprises at least one web or...
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5988101 |
Safety directional line for underground mining and method of making same
A safety directional line for underground mining that can be adjusted during to conform with any local codes. The line is constructed from high strength polypropylene which is non-conductive. A...
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5954154 |
Ladder with bottom step indicator
A new ladder with bottom step indicator for indicating to a user when the bottom step of the ladder has been stepped on. The inventive device includes a pair of spaced apart elongate rails each...
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5908082 |
Fire escape ladder
A fire escape ladder which includes recessed steps which are mounted into an interior or exterior wall of a house, or the concrete walls of a basement, to provide an escape route to a window. When...
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5853065 |
Adjustable leg ladder assembly
An adjustable leg ladder assembly that includes a collapsible A-frame ladder structure including a top plate, a forward ladder step support including two forward support legs, and a rear A-frame...
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5829548 |
Safety device inspection indicator
An inspection indicator for a fall prevention safety device of the type which includes a housing, a drum rotatably mounted in the housing, a cable adapted to be wound around the drum, and a...
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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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5740881 |
Safety device for detecting improper positioning of a ladder
A safety device for detecting improper positioning of a ladder including an alarm connected to an energy source. A longitudinal and lateral level indicator switch are connected between the alarm...
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5623890 |
Safe exit indicating firehose coupling
A firehose coupling which helps fire fighters determine the direction to safety along a firehose. The preferred embodiment of the firehose coupling incorporates an elongated extension integrally...
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5605203 |
Automatic foldable emergency ladder system
An automatic foldable emergency ladder system for use in a building having a smoke detecting device includes an inverted L-shaped housing having a horizontal portion and a vertical portion and...
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5598900 |
Horizontal lifeline energy absorber
An energy absorber for a horizontal lifeline protection system is provided. The energy absorber comprises a pair of independent shock absorbing units of similar construction. Each unit comprises a...
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5555952 |
Platform, adjustable in height
A platform is equipped with a chair, which chair is displaceable along a mast, and to which chair platform components can be affixed, whereby, force indication means are incorporated between the...
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