Matches 101 - 150 out of 171 < 1 2 3 4 >
Match Document Document Title
4558764 Scaffolding system  
A scaffolding system useable on either a flat or pitched gable roof a roof and including a mast, rollers which connect the mast to the roof, and a winch for adjusting the position of the...
4556123 Patient evacuation system from a multistory structure  
An evacuation system for nonambulatory patients from a multistory hospital or the like. A trackway is secureable to a wall of a stairwell and includes a hanger rail support. A hanger is rotatably...
4535984 Support apparatus  
Support apparatus comprising a platform assembly suspended from above and held by two suspension assemblies which are spaced apart and parallelly oriented, each suspension assembly comprising an...
4520900 Fire escape apparatus for use in high-rise buildings and the like  
A personnel escape mechanism for emergency evacuation of a high-rise building. An escape support for personnel in the form of harnesses or a protective cage is suspended from a trolley, riding on a...
4483033 Service device for the interior viewing surface of a simulator dome  
The specification describes a device that admits of performing a variety of servicing, inspection and maintenance functions on the viewing surface of a simulator dome. The structural arrangement of...
4454928 Movable scaffold for buildings  
Movable scaffold having a car which is suspended from two carriages (15, 16) joined by a cross bar (18), said carriages rolling inside a rail (10) suspended from support members mounted on the...
4444289 Construction platform and method  
A removable construction device for use in a building under construction is disclosed. The device is partially positioned inside the building and locked to the building and is partially...
4431082 Vehicle ladder  
A ladder for a vehicle having a top surface vertically elevated to a height not easily accessible to a person, which ladder is capable of being integrated into elements of an adjustable and...
4431081 Suspension system for movement under a ceiling  
A suspension system for a person under a ceiling is disclosed, consisting of a false ceiling composed of a plurality of spaced-apart tiles each of a regular geometric shape. Slots are thus defined...
4425982 Device and method for escaping fire and smoke in high-rise buildings  
In the event of fire, a telescoping pole is transported, by means of a hoist, from a stored location within a building to a sleeve permanently mounted on a balcony or near a window. The pole is...
4422485 Integrated mobile tank-servicing system  
An integrated mobile tank- servicing system for filling, transferring, etc. a flowable medium from one or more tanks; said system having a mobile frame with an adjustable duct(s) for placement in...
4422526 Access tower for manufacture of tunnel tubes  
An improved access tower for use in the manufacture of tunnel modules and tunnel sections for building underwater tunnel tubes is provided. The tower is positioned at one end of the tunnel module...
4396094 Retractable trolley escape capsule  
A guided lift cage which is pivotally mounted to a pair of fixed side rails by a suspension trolley so that the cage is always suspended on a vertical axis, regardless of the axis of the side...
4309023 Suspension apparatus for a scaffold  
Apparatus for suspending a scaffold or the like, used for working on the outer walls of buildings, comprising a capstan made up of four pairs of pulleys driven by an electric motor. The pulleys...
4271927 Inspection or maintenance cradle  
A suspended cradle for use in the inspection and maintenance of difficulty accessible structures comprises a frame provided with a series of at least three roller assemblies each having rollers for...
4267900 Emergency escape system  
An emergency escape system designed for use with multistory buildings. The system comprises generally a vertical zigzag track formed by a plurality of special contour structures, each structure...
4248026 Trolley for installing prefabricated building panels  
A trolley for aiding in the installation of sidewall panels to the eave struts and purlins of prefabricated metal buildings. The trolley has a seat support member with foot stirrups for carrying a...
4232636 Maintenance platform built upon retractable support beams  
A maintenance platform for a boiler-furnace that permits safe and ready access to its normally inaccessible upper parts and integral superheater. The maintenance platform is installed in the...
4222140 Boarding platform  
A boarding platform for transferring personnel between a fixed dock structure and a barge or the like is disclosed. The boarding platform includes a pair of vertical tracks having a carriage...
4207965 Gliding cars and tracks type high building emergency escaping device  
An emergency escaping device of this invention consists of a continuous W shape metallic tracks vertically mounted alongside the outer wall of a building or between buildings. Said tracks having...
4200955 Girder roller fittings  
A roller fitting adapted to be secured to a length of scaffold tube and to suspend said scaffold tube from a girder, said fitting comprising a main body, a clamp pivotally mounted on the main body,...
4188887 Multi-directional crane truck  
A crane mover is arranged to transfer a crane, such as a dockside crane, around a curve from one straight track to another straight track. The mover runs on rails and carries synchronized jacks...
4169522 Skip brake units  
A brake unit for a skip or carriage adapted to ride on one or more cables. The brake unit has brake jaws spanning the cable, said unit being connected to the skip so as to move along the cable...
4163480 Line travelling skips  
A carriage has pulleys adjacent opposite ends thereof for riding on a pair of line cables which have obstructions thereon, such as hangers and spacers. The carriage has brakes associated therewith...
4125172 Emergency escape apparatus  
A riding emergency or fire escape apparatus mountable interior of a building for delivering an inhabitant exterior of the building for free fall descent to the ground. The apparatus of this...
4103861 Arrangement for the sectional cantilever projection of multi-panel bridge supporting structures of steel or prestressed concrete  
This invention relates to an arrangement for projecting cantilever sections of multi-sectional bridge supporting structures of steel or prestressed concrete forming the superstructure of the bridge...
4096922 Roof support system for a suspended staging  
An outrigger beam projects outwardly beyond the edge of the roof, to serve as an overhead anchor for the suspension line of a suspended staging. A support leg depends from the beam and makes...
4064968 Scaffold for working on a pipeline movable relative to a base  
The invention involves working on a pipeline which is subject to movements relative to a base such as ground, the deck of a floating barge, and the like. A rollable scaffold is frictionally coupled...
4024928 Fire escape installation  
A fire escape unit for installation in buildings such as hospitals includes a hinged platform upon which a movable load such as a bed to be evacuated in an emergency is mounted. The hinged end of...
3994365 Apparatus for positioning person within container tank  
An apparatus for positioning a person within a container tank for inspection, cleaning, or repair of such tank is described. The apparatus includes a pivoted parallelogram type support having a...
3960242 Orbital service bridge  
An orbital service bridge for positioning a work platform at desired positions within an overlying dome-shaped structure comprises inclined leg members pivotally mounted at one end near the top of...
3944021 Emergency escape mechanism  
The invention is directed to a novel fire escape system designed for use with multi-story buildings. The system comprises a generally cylindrical (or other suitable geometric shape) vertical...
3927732 Scaffold  
A scaffold is provided on a top of the jack, which in turn is provided on the truck to be laid on the truck, so that the truck can be moved to the adjacent divisions passing through the man hole of...
3900080 Scaffold apparatus  
A cantilever beam for supporting a hanging scaffold provided with a triad wheel train which is adapted to ride a double track structure mounted on the roof of a building. The third wheel of the...
3870122 SERVICE DEVICE  
The service device for a site or part of a site of at least partially circular shape, comprises at least one catwalk connecting a roller track, provided at the inner periphery of said site or of...
3860089 SAFETY RAIL APPARATUS  
An elongated tube formed of plastic material is embedded in a wall of a structure adjacent an outer face thereof, so that the enclosing wall confines the tube against transverse expanding...
3854550 MOBILE OUTRIGGER FOR SCAFFOLDS  
A mobile outrigger for scaffolds, which outrigger is in the form of a pair of transversely spaced trucks which are wheeled by casters on a roof to permit movement of the scaffolds laterally and...
3825098 HANGING SCAFFOLDING  
A handrail system for hanging scaffolding including a pair of spaced, confronting ladders suspended on an outriggered beam. The rungs of the ladders directly support the scaffold decks of a...
3724594 SYSTEM FACILITATING OPERATIONS TO BE CARRIED OUT ON A SHIP  
To permit carrying out work on a ship's hull, such as sand cleaning, painting etc. under unfavorable weather conditions it has been necessary hitherto, -- if work could be performed at all -- to...
3703218 RESCUING DEVICE  
Rescuing device for rescuing persons from the chairs of inoperative chairlifts or the like in which on a supporting member rollers are provided, against which the cable carrying the chairs is...
3620331 MOVABLE SUSPENSION DEVICE  
A horizontally movable suspension device for supporting a workman alongside the wall of a building or similar structure having a securing member engageable with the parapet of a building which...
3550723 BRIDGE SCAFFOLD  
3524520 TRAVELING SCAFFOLD  
3491851 SUSPENDED ROLLING DOLLY FOR USE ON A BUILDING ROOF PARAPET  
3465846 INSTALLATION FOR APPROACHING PORTIONS OF AN AIRPLANE  
3454133 PORTABLE WORK TOWER FOR USE IN VESSELS HAVING LIMITED CLEARANCE  
3394776 Suspended traveling scaffold  
3347339 Cradles used on buildings and the control and installation thereof  
3340959 Scaffold  
3339669 Platform assembly for a crane  
Matches 101 - 150 out of 171 < 1 2 3 4 >