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8002083 |
Search line rescue system
A search line rescue system for use by rescue personnel to facilitate a safe search and rescue mission through an area of low to zero visibility is disclosed. The search line rescue system...
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7228936 |
Mobile scaffolding braking system
A mobile scaffold (10) having bi-axially rotatable casters (22–28) and including brake assemblies (30 and 32) associated with the casters (22–28) is disclosed. The inventive brake assemblies (30...
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6786299 |
Swivel-power scaffold mobilizing device
A novel and unique user-friendly swivel-power scaffold mobilizing device that provides movement in any direction parallel to the ground and rotation about a vertical axis. The device may be...
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6283249 |
Mobile ladder with lifting tray
A combined stepped structure and lifting mechanism includes a base and a framework secured to the base, the framework having a pair of spaced apart vertical tubes rising upwardly from the base. A...
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6039148 |
Mechanized scaffold
A scaffold device including a frame having four stanchions, an upper peripheral railing mounted to tops of the stanchions, and a pair of cross brace assemblies mounted between the stanchions. A...
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5924524 |
Integrated, multi-level elevator shuttle
An elevator system provides service between a ground level and each of three upper levels through a single elevator shuttle hoistway system. Three elevator cabs 34-36, B, D, F are moved in a triple...
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5660249 |
Elevator cabs transferred horizontally between double deck elevators
Horizontally moveable elevator cabs (22, 23) are transferred from the upper deck of a first car frame (26) to the upper deck of a second car frame (27) and from the lower deck of the second car...
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5464072 |
Self-propelled elevator system
A self-propelled elevator car for vertical and horizontal travel in an elevator shaft has a plurality of driven friction wheels which are pressed against associated running surfaces by a passive...
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5433293 |
Vertical-horizontal passenger conveying system
A vertical-horizontal passenger conveying system includes elevator cars provided with individual drives for travel in intersecting vertical and horizontal shafts. The shafts have fixed and movable...
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5427557 |
Self-propelled ice rescue device and component
A self-propelled ice rescue device component, as well as the device itself. The component includes (a) a main support frame; (b) a motor attached to the main support frame; (c) a power source...
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5209433 |
Mobile rocket service tower
A rocket assembly apparatus is disclosed in which a vertical assembly building houses a multi-stage rocket and provides a clear work area around the entire circumference of the rocket. A mobile...
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5027921 |
Method and device for transporting and distributing materials and/or equipment around the periphery of a building
Device and method for transporting and distributing materials and/or equipment at the periphery of a building by using a carrier structure similar to a scaffolding or to a working or circulation...
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5014381 |
Rolling platform assembly
The present invention relates to a method of installing a platform assembly designed to be mounted below a bridge deck to prevent impeding traffic below the bridge deck during installation of the...
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4790410 |
Safety track support and coupling
Safety apparatus for used by workers at height comprises a fixed safety cable (1) secured in spaced relation to a fixture (2) by supports such as (3), and a coupling device (8) by which a safety...
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4781144 |
Off-shore drilling installation evacuation system
There is provided a new and useful offshore evacuation system for drilling rigs or platforms comprising a launch structure for a survival craft; the structure comprising at least one support strut...
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4633974 |
Inflatable roof safety rigging system
A rigging system for retrieving a worker in the event of the collapse or tearing of a peripheral panel of an air-supported fabric roof employs one or more endless cables each entrained over pulleys...
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4630708 |
Semi-adjustable service platform apparatus for gantry crane
An adjustable service platform apparatus for a gantry crane having an elongated base frame which includes a pair of horizontally sliding beams which are laterally extendible outboard in opposite...
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4546852 |
Adjustable service platform apparatus for a gantry crane
An adjustable service platform apparatus for a gantry crane has an elongated base frame generally comforming in size and shape to a conventional load carrying lifting spreader, and twin service...
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4424884 |
Emergency rescue system
An emergency rescue system for use in rescuing persons trapped in the upper floors of a multistory building during emergency conditions such as during a fire or the like. The rescue system...
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4335803 |
Gangway ladder arrangement
A gangway ladder arrangement used to provide a passage for a crew or operating personnel across a quay and a vessel berthing against the quay comprises a basement frame anchored to the quay, and a...
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4274507 |
Portable support for a scaffold
A portable support for a scaffold comprising first and second wheeled support members which are adapted to be placed on the building roof. The support members are interconnected by length...
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4154318 |
Retractable suspended scaffolding on a self-propelled truck, particularly adapted for maintenance work on road-bridges and the like
There is disclosed a retractable suspended scaffolding mounted on a self-propelled truck which is particularly adapted for maintanence work on structures that are situated along roadways and at...
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3936333 |
Method for prefabricating brick panels
An assembly line method of prefabricating brick panels in a factory for shipment to the intended site of use includes the steps of mixing a supply of mortar in one area of the plant, placing the...
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3608668 |
MOBILE SCAFFOLD
A mobile scaffold suitable for use in working at elevated positions on the outside or inside structure of buildings, the said scaffold being mounted on a supporting platform with means to...
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3340960 |
Ladder
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3282374 |
Elevating stock picker truck
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3141521 |
Mining apparatus
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3095060 |
Scaffolding for dome structures
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2870820 |
Auxiliary tractor seat
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