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Document Title |
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6230841 |
Track ladder
A track ladder that includes a ladder frame, plurality of steps secured to the ladder frame and a carriage assembly secured to the ladder frame. The ladder frame rides on an upper track and a lower...
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5960906 |
Movable ladder support assembly
A ladder support system, comprising a free-standing frame having an upper and lower horizontal member, and a ladder that is supported on the upper horizontal member and lower horizontal member. The...
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5653307 |
Dual track mounted pivoting ladder assembly
The ladder system is located adjacent the front face of a storage rack. The ladder is carried by a cantilever supported carriage assembly having a pair of pivotally mounted frames. The ladder is...
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5480002 |
Dual track mounted ladder system
The ladder system is located adjacent the front face of a storage rack. The ladder is carried by a cantilever supported carriage assembly. The ladder may move longitudinally along the front face of...
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5348119 |
Tree stand and adaptor comprising the same
A tree stand consists of mounting structure and a platform member, the platform member being rotatable about the mounting structure to permit facile reorientation without need for dismounting by...
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5065838 |
Movable support for window washers and the like
A movable support structure from which a window washer is suspended that utilizes the parapet wall of a building as a support or runway by directing the force applied by the weight of the washer...
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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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5007500 |
Device for the maintenance of large-capacity containers
A device for the maintenance of large-capacity containers such as storage tanks or the like vessels is described, which consists of a scaffolding structure for accommodating a plurality of working...
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4979589 |
Work apparatus for a work on a wall surface
A work apparatus for a work on a wall surface of a structure, e.g., a building, comprises rail supports secured fixedly to an upper end portion of a structure, upper provisional horizontal rails...
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4960185 |
Movable cradle
The invention relates to a vertically and horizontally movable work platform 4 for carrying out renovations to the concrete on reinforced concrete buildings or for replacing the structural...
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4951779 |
Multiuser high-rise building fire escape device
A multiuser high-rise building fire escape device includes a basic bearing frame assembly alternatively mountd on the roof or either floor of a high-rise building, and several cabins mounted on the...
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4921070 |
Temporary suspended access equipment - a builder's cradle
A work cradle comprising a work platform suspended by ropes from a building. Two guide ropes extend downwardly on either side of the platform and are secured to the building. The work platform is...
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4773504 |
Rolling safety trolley
A rolling safety trolley for traversing the upper circumference of an open tank having a top ledge comprises: a frame having an upright member and at least one cross member, and preferably a...
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4646877 |
Wheeled scaffold for workmen and building material
A wheeled scaffold for roofing materials has a framework for carrying the roofing materials. The framework includes a row of steps extending along the framework. First and second wheels are secured...
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4640383 |
Movable staging scaffold system for building construction
A work scaffold system including a frame structure having spaced, parallel upper and lower horizontal track members upon which a pair of vertical column members may be horizontally moved. The...
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4542804 |
Bosun chair support apparatus
A manually portable, movable, bosun chair support apparatus comprising: a frame member with rollers mounted to the underside which rests on the top ledge of a building wall; an adjustable U-shaped...
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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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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...
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4378860 |
Movable staging scaffold system for building construction
A work staging scaffold system comprising an open movable structural frame with horizontal track members mounting one or more sets of carriages that support one or more associated traverse tracks...
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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...
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4098371 |
Mobile scaffold
A mobile scaffold has a carriage for traversing longitudinally a first track and a second track. The carriage is suspended from the first track. Lateral support for one side of the carriage is...
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4048924 |
Roofing system
Packets of long metal roofing panels are transported on the skeletal structure of a pitched roof by a carrier structure with an elongated skeletal frame spanning the purlins which run the length of...
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3967699 |
Hoisting apparatus, particularly for a cooling tower
A hoisting apparatus mounted on a building structure has parallel-extending upper and lower tracks attached to the building structure and supporting a respective upper and lower traveling block...
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3892088 |
Door mounting for cargo handling mechanism
An improved door mounting for the door of a cargo-handling mechanism of the type adapted to load cargo into and unload cargo from an enclosing structure, such as a railroad car or the like. The...
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3727720 |
MOVABLE APPARATUS FOR USE IN PICKING FRUIT
Ladders for use in picking fruit are mounted to slide laterally on a supporting vehicle. The steps of each ladder project laterally beyond one of its uprights.
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3391757 |
Scaffold
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3338195 |
Device for the attendance of an embroidery machine
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3331465 |
House with mobile ladder gate
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3124213 |
Title is not available
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3059721 |
Suspension device
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2814533 |
Shingling scaffold
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2767032 |
Platform for painting poles
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2730411 |
Double-deck portable scaffold
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2645531 |
Rolling scaffold
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2499478 |
Fabricated building construction
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2405259 |
Work carriage
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2311932 |
Hinged finger adjustable pipe rack
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1535432 |
Title is not available
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1452664 |
Cable chair
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1444759 |
Ladder
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1423998 |
Scaffold carrier
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1623821 |
Title is not available
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1176652 |
Title is not available
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1160721 |
Title is not available
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1118385 |
Title is not available
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1086329 |
Title is not available
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1014685 |
Title is not available
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0972576 |
Title is not available
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0918333 |
Title is not available
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0909876 |
Title is not available
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