Matches 151 - 200 out of 398 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4496027 Mobile outrigger for suspending scaffold  
A portable motor outrigger for suspending scaffolding in which there are a pair of spaced generally parallel, substantially A-frame-shaped supports (30, 32), having a beam (26) extending...
4495883 Adjustable diving platform  
An adjustable diving platform for mounting on a boat which, despite the boat's freeboard or the contour of its hull, provides a stable horizontal diving platform at the waterline. The platform...
4491449 Load raising vehicle and method  
A vehicle and method for raising elongated objects, especially for raising pipes and the like to a ceiling structure in the construction of a building. The vehicle has a pair of transversely...
4478312 System and portable cage for servicing power transmission lines  
A portable cage and system for servicing high voltage power transmission lines, including a uniquely shaped cage lowerable onto a power line bundle of one or more conductors, the cage placeable by...
4475626 Scaffold bracket  
A hook device for hanging outside of a building window opening for supporting one end of a scaffold plank, the device being shaped with a hook at one end and a loop at its other end and also...
4453619 Telescoping wall scaffold  
A telescoping wall scaffold has a suspension member with a first end and a second end and shaped therebetween to extend about the overhang of a structure having a vertical surface. A leg and foot...
4449611 Working platform  
The boom of a crane carries a pivot bearing for a second bearing which guides an elongated column. The upper or the lower end of the column supports a gallery which is turnable about its axis. The...
4441583 Grating cable hanger  
A cable hanger bracket is provided for hanging a swinging scaffold from a walkway grating comprising vertical parallel side walls, a connected bottom wall and U-type oppositely extending bends for...
4438829 Emergency rescue box  
Emergency apparatus in the form of a rescue box for air-lifting survivors from burning high-rise buildings; the rescue box has opposed full-width and full-height doors hinged at the bottom, which...
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...
4428457 Window bracket support and scaffolding for building exterior  
A window bracket is constructed to be supported on a window sill and the walls beneath the sill of an open window and further constructed to hold a safety scaffold to permit work on the exterior of...
4424760 Hanging chair  
A hanging chair with seat (1) and backrest (2) is provided for its suspension with lifting slings (23,24) a top eye and crotch straps (25,26) at the seat (1). The slings and crotch straps are...
4422528 Aerial basket structure for linemen and method for utilizing same  
A basket structure for supporting linemen performing maintenance work on tower supported lines and method of performing same is disclosed. The basket is embodied within an enclosure having corner...
4421205 Magnetic ship's hog line holder  
A magnetic holder for pulling in and securing a platform and personnel to e hull of a ship to be serviced is disclosed. A lightweight corrosion resistant body member houses a permanent magnet and...
4418791 Device for enhancing the versatility of cranes or the like  
The free end portion of the boom of a crane carries a separable pivot bearing defining a horizontal pivot axis for a second bearing which reciprocably guides an upright column for one or more...
4413707 Suspended chain scaffolding employing adjustable posts with chain threaded therethrough  
A chain supported scaffolding arrangement for use inside of a building or vessel or in working under a bridge. Chain gripping plates engage the chain and support hollow tubular vertical posts which...
4411400 Shelving system  
A shelving system for supporting horizontally disposed shelving adjacent a vertical wall surface having associated horizontally extending sill or the like at the upper extremity of the wall. The...
4399891 Anchoring device for flexible ladder  
An anchoring device for use with a flexible ladder. The ladder is provided with an upper end having connecting elements. The anchoring device is arranged to connect the upper end of the ladder to...
4396092 Roof supported scaffold  
A scaffold has features that allow it to be supported vertically by connecting it to a building. The scaffold includes a pair of legs. Each leg will telescope to vary the length of the leg. A rail...
4388982 Foothold device  
A scaffold having a number of platform plates connected through independent chains. Independent chains are also provided above the uppermost platform and below the lowermost platform for connection...
4347913 Chair lift  
A portable chair lift for use by a hunter and the like for raising the person off the ground by means of a line extending over a limb. The device includes a frame member which has a seat hung...
4312536 Dunk seat  
A water-immersible seat for use at the edges of swimming pools, on the sides of boats, and over the rims of hydrotherapy equipment is disclosed wherein the amount of immersion of an occupant of the...
4300657 Scaffold  
A scaffolding apparatus has features that are easy to carry and easy to assemble. The scaffolding apparatus includes a pair of legs that are connected together by a horizontal rail. Standoff means...
4296905 Building scaffold support  
One or more elongated base members are arranged to lie on the top surface of a building with their outer end portions projecting beyond the side of the building. These base members have a depending...
4276959 Quick way scaffold  
In the preferred and illustrated embodiment, a scaffold is shown for attachment on the bottom side of an offshore drilling rig or platform. The scaffold is quickly installed and removed. It is...
4276957 Portable scaffold assembly with movable anchor  
An improvement in portable scaffold assemblies which enables a scaffold to be securely hung upon a vertical portion of the building, without the need for permanent anchoring means, either on the...
4274793 Working platform  
The boom of a crane carries a pivot bearing for a second bearing which guides an elongated column. The upper or the lower end of the column supports a gallery which is turnable about its axis. The...
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...
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...
4263985 Movable scaffold support  
A movable roof-supported scaffold support which comprises front and rear vertical frame members which are detachably connected by a plurality of spaced-apart connectors. At least three spaced-apart...
4256201 Scaffolding frame members  
A scaffolding frame member to be used for supporting scaffolding planks along the side of a building structure and adjacent the roof thereof. Each member is basically comprised of four folding...
4253549 Method and a system for the erection of high buildings  
The invention concerns a scaffolding system for use at the erection of high buildings and solves the problem of providing a suspended scaffold which is stepwise lifted to higher levels but yet in...
4253548 Folding scaffold system  
A chain of end support sections are foldably linked together and hang vertically from either side of a horizontal support beam. The beam is attached to a pair of suspension cables through two...
4234055 Mobile suspension scaffold system  
A mobile siding scaffold system which comprises a roof vehicle and a scaffold. The roof vehicle is mounted on castors. Attached to the vehicle frame and extending over the front of the frame are...
4201275 Means for the renovating and refurbishing of overhead structures  
The invention provides a method for furbishing or renovating large span overhead structures, for example the roofs of railway stations, or bridges and the like, and utilizes apparatus which...
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,...
4195694 Rescue vehicle  
A rescue vehicle or safety apparatus is disclosed which in its most basic form includes a self-propelled platform adapted to be suspended from a vertically directed line in turn connected to a...
4187929 Scaffold stabilizer  
A scaffold stabilizer for use on a scaffold platform, consisting of a multiplicity of longitudinal planks of uniform thickness assembled in side-by-side contact to form a supporting floor or...
4174022 Orchard lifts  
An orchard lift apparatus including a bicycle-type seat upon which an orchard worker may sit, said seat mounted on an elongated pole passing upward through a sleeve and friction hemisphere, said...
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...
4164268 Adjustable protective rollers for suspended scaffolding  
One or more elongated roller assemblies may be selectively mounted at a variety of positions along the inner edge of a scaffold platform. The inner and outer edges of the platform each include a...
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...
4137996 Portable scaffolding device  
A scaffolding device comprising a pair of units each having spaced vertical suspension members, a top rail member and a bottom cross member joined together, the top rail members extending forwardly...
4130179 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 first support member has a pair of upstanding posts...
4108277 Work platform  
A work platform for use in the servicing of jet engines including a frame, curved to conform with the exterior of the engine, carrying at its lower end a personnel supporting platform, a plurality...
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...
4095670 Foldable platform for raise drilling  
This invention provides a platform structure having a retractable floor portion consisting of four main floor panels extending outwardly in directions defining a cross, and pivotable between a...
4074792 Portable hanging scaffold  
A strong lightweight hanging scaffold for four or more workmen with heavy materials has a wide range of adjustability adapting it for a variety of uses on many types of one and two story buildings...
4074790 Vehicle-borne inspection and maintenance apparatus  
A self-propelled truck has a rotatable turret on which an articulated and nested assembly of frame members and a scaffold is mounted for transport. The turret and assembly can be operated to place...
4068738 Scaffolding  
This invention is staging or scaffolding for use within a tank for example a storage tank in chemical plant or in a marine oil tanker, and an assembly of staging comprises a number of platforms...
Matches 151 - 200 out of 398 < 1 2 3 4 5 6 7 8 >