Matches 201 - 250 out of 414 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
4323140 Safety landing  
A novel safety platform for use in a vertical shaft such as a manhole. The platform comprises a pair of support beams with the ends of each support beam mounted in the wall of the shaft. At least...
4290504 Tree-mounted deer stand  
A frame has upwardly convergent legs which support a plate on which a seat is swiveled. The frame provides a socket which fits over the upper end of an upwardly disposed tree stump or limb stub. A...
4290503 Portable security fire escape  
A collapsible fire escape for erection within a building adjacent a window therein, comprising sets of upper and lower joists arranged spatially apart from one another and mounted pivotally,...
4280243 Bulk loading facility having a drop way  
Improvement in a bulk loading facility having a fixed deck having a vertical column as a part thereof and a drop way hinged to the deck so that it can be raised or lowered for loading, the...
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...
4253546 Hand truck  
A hand truck comprises a frame having handles at its rear end, wheels attached at least to the front end of the frame on opposite sides of its bottom, and a load support provided on the upper side...
4238000 Scaffold structure  
A scaffold structure comprising a tubular column positioned vertically in use by a base support for supporting a base end portion of the column. Top supporting structure supports a top end portion...
4235305 System for inspecting reinforcing cables  
Rails are mounted on the wall of a domelike reactor tank along pilasters extending downwardly from the top of the dome. A carriage is drivably mounted on the rails along each pilaster. 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...
4202427 Derrick escape system  
An escape system for delivering personnel on a drilling rig to a safe location in the event of a blow out or other dangerous situation. More specifically, a personnel capsule is releasably...
4179090 Scaffolding  
A scaffolding bracket comprising a horizontal member arranged to act as a support for scaffold boards and a vertical member arranged to lie adjacent a vertical surface, the bracket having a plate...
4171550 Loading system  
There is disclosed a modular system comprising central platforms having additional platforms extending from the ends thereof, and walkways pivotally connected to opposite sides of the central...
4164269 Safety bracket for securing ladder in place  
A safety bracket for securing a ladder in place against a building structure, the bracket having two extending arm members interconnected in crossing relation intermediate the respective ends...
4157129 Stabbing board assembly  
A stabbing board assembly comprising a support platform mounted for powered vertical adjustment on a pair of laterally spaced vertical rails which are in turn fixed, preferably releasably, to...
4153229 Folding scaffold support  
A folding scaffold support is provided which can be readily attached to walls and a plurality of which provide sturdy and safe support for a scaffold assembly. The assembly is sturdy and accepts...
4129197 Safety-catch scaffolding system  
An adjustable scaffolding system adaptable to the progressive growth of a building during construction has a series of spaced uprights, each having a plurality of vertically disposed slots for the...
4125175 Staircase with small base area  
A staircase having a small base area is formed with one or more stringers and a plurality of horizontal treads placed along the stringer, the leading edges of alternate treads being set back from...
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...
4122916 Scaffolding  
A scaffold structure for attachment to wall surfaces. Telescoping horizontal members are supported at an inner end by a secured wall bracket. The horizontal members are usable to carry a work...
4121689 Escape mechanism  
An escape mechanism for enabling a person to escape at any floor of a building, the escape mechanism including a vertically disposed hollow rail and at least one rack disposed within the rail. At...
4119176 Fall arrester, for building works  
A Y-shaped support structure is movably attached at its two arms to a track vertically attached adjacent the face of a building. Two of the arms of the Y-shaped support structure are movably...
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...
4090585 Balcony for use on exterior walls of buildings below windows  
A balcony for fire escape purposes for use below a window in an exterior wall of a multistory building which comprises support means to secure it in place on the wall; a platform secured to said...
4086978 Built-in scaffold support  
A device to facilitate use of scaffolding during construction of wood frame buildings by using a light-weight metal channel attached to and encasing occasional studs. Brackets hook into the...
4082161 Continuous adjusting scaffold  
A scaffolding assembly for use particularly in the construction of large holding tanks and which incorporates a novel construction and method of being raised from one level to another, the device...
4078633 Modular staging with platform jacks  
A staging includes sections that are easily transported or stored and in use are detachably joined to form vertical assemblies detachably interconnected by a railing with the assemblies connected...
4060358 Climbing scaffolding assemblies with associated shuttering  
A scaffolding assembly is made up of independent units each of which is fitted with inside and outside shuttering panels. The assembly is particularly suitable for in situ casting of walls in...
4044858 Maintenance device for use underneath deck structures  
A maintenance device for use underneath a deck has an elongated arm connectable to the deck and extending beneath the deck and movable about a vertical axis. A platform mounted on the arm is...
4002222 Combination scaffold and utility platform  
The present invention provides a combination scaffold and utility platform that is adapted to be used with two, at least, spaced apart support members. There is provided a first platform that is...
3998292 Scaffold  
A scaffold for carrying out activities inside a tank having a substantially cylindrical side wall and a roof with centrally provided therein a manhole, comprising a central mast and, movable...
3974995 Means for forming a building facade  
A removable cast, form or "shuttering" is provided to form "in situ" from poured concrete the portion of an outside wall, of a building disposed between the sill of the window opening of one story...
3967694 Portable surf fishing platform  
A collapsible platform adapted to be erected in shallow water for surf fishing. Bearing plates connected to the lower ends of extensible legs stabilize a support panel to which a folding chair is...
3964116 Scaffold supporting device  
Each of a pair of clip members comprises a plate-type member of rectangular configuration having a rectangular corner cutout forming a pair of perpendicular edges. Each clip member has a channel...
3957240 Scaffolding bracket  
A scaffolding bracket for attachment to a ship's bulkhead, or other vertical wall structure, having flanged, horizontally extending strengthening bars is provided with a beam and a hook member for...
3955644 Scaffolding constructions  
To enable a scaffolding structure to serve vertically curved structures such as ships' hulls, a joint is provided to allow vertically adjacent scaffold uprights to be relatively inclined to one...
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...
3933256 Ship's loading ramp  
A ship's loading ramp has two side beams interconnected by travelling tracks with the beams and the tracks being divided in two portions connected by hinges. Wires for operating the ramp are...
3931868 Emergency rescue device  
A helicopter supported gondola is provided with means for stabilizing the position of the gondola with respect to the exterior wall of a building so that people trapped within the building may be...
3908793 Adjustable metal scaffold  
A scaffold module having a first section comprising a horizontal deck having a tongue of reduced width extending outwardly from one end of the deck, a middle section comprising an elongated...
3905449 Scaffold on roll-over frame on a vehicle  
A scaffold carried by the roll over frame on a vehicle required by law to have such frame, which scaffold is so arranged as to give a new function or operation to the vehicle and not interfere with...
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...
3881699 Elevating perimeter railing  
For use about the perimeter during construction of multi-story building, a safety railing comprising a plurality of substantially vertical stanchions interconnected with substantially horizontal...
3880254 Escape boom  
An escape device and method is provided for use with offshore rigs as a means for men to get off of the rig, while at the same time ending up at some distance from the rig, and providing a...
3872947 Scaffolding and like construction  
A clamp for securing releasably to large diameter pipes to serve as a support member for scaffolding, access ways or the like thereon. The clamp comprises a cross member having spaced apart legs...
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...
3831711 EMERGENCY ESCAPE DEVICE FOR HIGH RISE BUILDING  
A transport or escape device, particularly adaptable for use in modern high rise buildings, and skyscrapers, as an escape route for use in the rescue of people who may be trapped and prevented from...
3830338 LIFT FOR RAISE DRIVING APPARATUS  
The invention relates to a lift assembly carrying a drift mining equipment for driving raises and the like in rock. The equipment comprises a fluid motor unit for moving said equipment along a...
3825096 FIRE LADDER EXTENSION APPARATUS  
Ladder extension means for fighting fires comprising a portable support positionable in a window or other wall opening. The support is provided with means for fixedly bracing it against movement,...
3822000 SCAFFOLDING FOR WELDING OF PREFABRICATED HULL MODULES IN SHIPBUILDING  
Scaffolding comprising a pair of lifting platforms each having a scaffold and vertically movably provided an inner wall of the prefabricated module to be connected other modules, and a scaffold...
Matches 201 - 250 out of 414 < 1 2 3 4 5 6 7 8 9 >