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6889798 |
Apparatus for controlled stabilized descent
An apparatus for descent, suspension and retrieval of a worker through an opening in the ground includes a trailer having a boom assembly mounted thereon is described. The boom assembly includes...
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6886663 |
Device for moving a platform along a facade and building provided with such a device
A device for moving a platform at least in vertical direction along a facade ( 1 ) of a building defining a front face by a cable ( 16, 17 ) which extends along the facade, which device comprises a...
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6886662 |
Hanging scaffold support
A scaffold support system having an adjustable-width hanger. A vertical leg may support a foot upon which rests a deck, providing a working surface during building construction or modification. A...
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6886661 |
Motorized access ladder for elevated areas
A ladder apparatus for providing access to an area over an elevated structure, the ladder apparatus including a housing secured to the elevated structure wherein the housing includes a housing...
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6886660 |
Slip-resistant step stool and a method of manufacturing the same
A slip resistant step stool includes a step surface with four legs extending downward. A slip resistant surface is bonded to the step surface. The slip resistant surface may be disposed in a pocket...
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6886659 |
Convertible ladder
A convertible ladder including a first ladder portion, a second ladder portion and a static hinge mechanism. The first ladder portion has a first locking mechanism proximate a first end thereof....
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6886377 |
Tree stand lock and associated method of use
A device and method for locking an object to a tree. The device includes an eyebolt. The eyebolt is set into the tree proximate the object to be protected. A protective bracket is placed over both...
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6883645 |
Extending ladder and associated manufacturing methods
Extending ladders and associated manufacturing methods are disclosed. A ladder in accordance with an exemplary embodiment of the present invention comprises a plurality of rung units, each rung...
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6883644 |
Tree stand
A tree stand including a horizontal platform and mechanism for detachably coupling the platform to a vertical support, such as a tree. The platform includes a vertical access opening therethrough...
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6883643 |
Self-raising platform assembly
A self-raising platform assembly ( 1 ) comprising at least one mast ( 3, 5, 113 ) along which a platform ( 13 ) may be moved up or down including the following: a) a base element ( 9 ) with a...
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6883642 |
Method of ladder-supported scaffold erection, and ladder bracing and scaffolding system for use therewith
An improved ladder-supported scaffolding technique and system using a pair of horizontally spaced vertical ladders for supporting staging planks therebetween and held vertically and rigidly by top...
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6883641 |
Mobile elevator working and load-lifting platform
A ground-movable load-lifting vehicle for lifting a load over ground. The vehicle comprises a platform bed, a ground-movable carriage, and an extendible scissor linkage assembly supporting the...
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6883640 |
Fall protection lanyard apparatus
A fall protection lanyard apparatus for use in transferring loads in an elevated environment. The fall protection lanyard apparatus includes first and second load-bearing lanyards, each terminating...
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6883464 |
Bird cage ladder
A bird cage ladder equipped with a locking connection mechanism that is biased toward a closed position and is easy to install and remove from a bird cage is disclosed herein. Particular...
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6880835 |
Combination hand truck, step ladder and dolly
A combination hand truck, dolly and step ladder device includes a hand truck frame and a step ladder frame that are pivotally attached to one another and can be fixed at selective angles with...
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6880675 |
Multifunctional adjustable ladder assembly
A ladder assembly includes two symmetric support stands pivotally connected with each other. Each of the two support stands includes a main frame, an upper frame, a lower frame, a top bar, a...
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6880674 |
Gate for above ground pool steps
A door ladder assembly for use with the an above ground swimming pool, the assembly comprising a ladder having a plurality of steps, a door with a first side hingedly connected to one side of the...
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6880673 |
Step having stored and deployed configurations
A step assembly is stored in the overhang area of a kitchen counter when not in use. The step assembly is deployed into an extended position by kicking a vertically disposed front wall. Springs...
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6880672 |
Self propelled scaffolding
A light-weight self-propelled scaffold vehicle is guidable through the use of a toggle switch. It is dimensioned and designed to be able to be utilized in small areas and through 30 inch doorways...
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6880671 |
Save me! sling
A fire escape device that enables parents to lower their children (as well as pets and possessions) to the safety of the ground from elevated windows or terraces of tall structures. The...
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6877698 |
Aircraft evacuation slide inflation system using a stored liquified gas capable of thermal decomposition
A system for deploying an aircraft emergency evacuation slide or other inflatable device utilizes an inflation gas that is stored in a partially liquified state. The inflation gas includes a...
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6877696 |
Evacuation slide with leading edge spoiler
An inflatable evacuation slide is presented that includes an aerodynamic spoiler to kill the lift caused by air flowing laterally over the slide. The slide preferably comprises a fabric sliding...
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6877586 |
Hinge system for combination hand truck, step ladder and dolly device
A multi-use move, lift, and support device is disclosed. The device is made of a step ladder frame containing a plurality of steps and a hand truck frame. At least one hinge pivotally connects the...
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6876338 |
Fall protection apparatus and method
An attachment apparatus for use with a generally vertical radio frequency antenna, the antenna having a housing defining an inside and an outside of the antenna, wherein the housing has an upper...
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6874598 |
Ergonomically improved tripod stepladder
An inventive stepladder of tripod structure with an actuating mechanism that extends the rear legs and front step assembly in a coordinated manner to assume the tripod footprint. The actuating...
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6874597 |
Vehicle sleeper compartment bunk bed ladder
The invention provides a stowable ladder mechanism for an overhead bed or upper berth in a bunk bed. A horizontal linear guide is vertically spaced above a horizontal support surface and associated...
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6874596 |
Safety harness with front D ring
A safety harness with a front D-ring includes an upper body portion and a lower body portion. A front D-ring is positioned at a front of the upper body portion where a first shoulder strap and a...
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6871892 |
Apparatus to lock and unlock scaffold casters
An apparatus used as a tool, to lock and unlock the casters of a scaffold while the user is on top of a scaffold. The apparatus is an elongated pole and adjustable sleeve with a spring-loaded push...
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6871454 |
Post shoring and decking system
A post shoring and decking system is for use in supporting sheet on which cement compositions can be poured. This post shoring and decking system includes a main leg member, which has a U-shaped...
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6869146 |
Fishing pole harness
A fishing pole support or harness for connecting a user to a fishing pole to support and control the fishing pole.
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6868944 |
Adjustable stair stringer and railing
An adjustable stair stringer and railing construction assembly is disclosed. The assembly is adapted to use a pair of parallel stringer arms for each side of the stair, a riser/tred support bracket...
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6868943 |
Safety systems and methods for bosun's chairs
A safety device for a bosun's chair includes means for movably attaching the bosun's chair to a mast and means for braking the bosun's chair relative to the mast.
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6868942 |
Emergency escape system
An emergency escape system includes an escape apparatus and a door. The escape apparatus is connected to the door. The escape apparatus includes a cord and a release mechanism. The release...
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6868941 |
Security belt
The invention relates to a security belt, in particular for personal protection, which can be attached and fixed to the human body. The belt comprises at least two belt sections which enable the...
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6868647 |
Roof anchor method and apparatus
A method is provided for mounting a roof anchor ( 10 ) on a roof support structure ( 30 ) having an underside surface ( 32 ), the roof fully or partially covered with roof covering material ( 39 ),...
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6866120 |
Portable tree stand having seating and standing platforms adjustable to tree angle
A portable tree stand for use with non-vertical trees provides standing and seating platforms that may remain parallel and may be adjustable. Adjustments include a slidable seat platform and a...
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6866119 |
Ladder with side support enhancement
A ladder includes a standing frame comprising two parallel standing side legs, a plurality of step platforms transversely extended between the standing side legs of the standing frame, and a side...
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6866118 |
Motorized access apparatus for elevated areas
A ladder apparatus for providing access to an area over an elevated structure, the ladder apparatus including a housing secured to the elevated structure; a ladder pivotally mounted to the housing,...
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6866117 |
Light weight ladder systems and methods
A method for manufacturing a rail for a ladder. The method may include pultruding in a longitudinal direction, a rail having a selected cross-sectional shape. The rail may then be cut to a...
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6863155 |
Mobile scaffolding brake
A mobile scaffolding ( 10 ) for elevating a worker (not shown) above a floor or ground surface (S) is disclosed. The scaffolding ( 10 ) broadly includes a pair of frames ( 12 ) and ( 14 ), a...
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6860364 |
Cart and ladder combination
A cart and ladder combination includes a plurality of bars such that a first bar and a second bar are defined. A first coupler is adapted for releasably coupling the first and second bars together...
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6857504 |
Roof retaining apparatus
The apparatus comprises a framework having two angled arms, one flat portion of each arm adapted to be fixed to a rooftop. An upright extends upwardly from each arm and top and bottom cross members...
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6857503 |
Convertible ladder
A ladder having a first ladder section, a second ladder section, an adjustable hinge mechanism, an engagement indicator and a static hinge mechanism. The adjustable hinge mechanism is mounted with...
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6854627 |
Vehicular utility rack
A vehicular utility rack apparatus having at least two frame members mounted on a vehicle to form a frame assembly. The at least two support arms are used for supporting a transported item. The two...
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6854562 |
Climbing safety device for tower crane
Disclosed is a climbing safety device in a tower crane including a vertical ladder enabling an operator to move to an overhead operator cab, and a wire rope for ensuring a safety of the operator....
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6851752 |
Height adjustment mechanism for an infant support structure
An infant support structure having a frame, a support, and a height adjustment mechanism. The frame includes telescoping legs that support the frame in selected positions above the support surface.
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6851518 |
Ladder stabilizer
A ladder stabilizer adapted to attach to an upper end or lower end of an extension ladder includes a mounting plate connecting to a rung of the extension ladder by secure U-bolts, the mounting...
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6851517 |
Emergency tower escape system for a building having multiple floors
An emergency tower system for a building having multiple floors. A plurality of bridgewalks extends from a plurality of towers to the multiple floors off the building, respectively. A plurality of...
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6851516 |
Attachment device with energy absorber and safety lanyards
An attachment device having a pair of main progression lanyards, an auxiliary lanyard, and an energy absorber to absorb shocks in case of a fall. The auxiliary lanyard is attached with the main...
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6848540 |
Ladder accessory holder
An apparatus for attachment to the rungs of a ladder to securely hold a bucket and other accessories. The apparatus is readily detachable from the ladder rungs for movement along the ladder. The...
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