|
Match
|
Document |
Document Title |
|
|
6494292 |
Adjustable scaffolding and lift carriage and support member therefor
A lift apparatus having a pair of support members and a carriage movable along the support members. The carriage includes a pair of rotating members, a band extending between and around the...
|
|
|
6494291 |
Foldable scaffold device
An erectable and transportable scaffold device adapted to be engaged on and supported on a support beam comprises front and rear frame structures which are pivotally interconnected by means of...
|
|
|
6491272 |
Step assembly with a removable step for hollow poles and the like
There is provided a pole step assembly with a removable step for hollow poles and the like. The step assembly includes a mounting subassembly with a mounting stud and a mounting plate with...
|
|
|
6491135 |
Portable anchorage point assembly
A portable anchorage point assembly for use with structures such as railroad tank cars. A base plate having straps extending therefrom includes a rubber base, which is placed on the top surface of...
|
|
|
6490842 |
Traction pad for maneuvering on a roof
A traction pad for maneuvering on a roof includes a base layer, traction layer, at least two traction cross members, and two end members. A bottom side of the base layer contacts the roof and the...
|
|
|
6488161 |
Boom mechanism
A boom mechanism that is cooperable with a lift vehicle or base structure includes a tower boom and an upper boom liftable in a dependent relationship by a single lifting mechanism. The tower boom...
|
|
|
6488119 |
Folding sawhorse with locking shelf
A folding sawhorse of the type comprising two trestle like frames that are hingedly connected at their tops. The shelf is hingedly attached to a lower strut of one frame and slidably attached to...
|
|
|
6488118 |
Fall arrest bypass device and method for using same
An improved bypass device for a fall arrest system that is not impeded by cable supports as it is pulled along a flexible and/or rigid cable. The bypass device has a gate which can be quickly and...
|
|
|
6487725 |
Safety harness with integral support line
A harness assembly ( 16 ) having an integral support line ( 20 ). The harness assembly ( 16 ) includes a harness body ( 18 ) having first and second ends ( 22, 24 ) and a hollow interior which...
|
|
|
6484986 |
Adjustable all in one roof bracket
An adjustable unitary roof bracket device having left and right secondary housings that can be extended or retracted with respect to the main housing or base. The secondary housings are adjustable...
|
|
|
6484982 |
Steel pole step assembly
A step assembly is provided that can be easily slipped into a utility pole opening and locked in place, and then easily removed after use. The step assembly includes 1) a step member having first...
|
|
|
6484981 |
Removable load support system
A temporary load support system including a permanent portion comprising a stud having a stem and crosspiece, and a removable load support member comprising a cavity, configured to receive the stud...
|
|
|
6481733 |
Step for entering and exiting a vehicle and method of making same
A step for entering and exiting a vehicle. The step is a unitary one piece mold having at least two hollow U-shaped portions wherein each portion has a receding body section and first and second...
|
|
|
6481529 |
Climbing tree stand
A climbing tree stand includes upper and lower support assemblies for aiding an operator in climbing a tree and for supporting the operator in the tree. The upper and lower assemblies are attached...
|
|
|
6481528 |
Combination utility belt and climbing harness
A dual belt system having a load-bearing or “utility” belt as well as a climbing harness waist band. An inner belt is a waistband for a climbing harness, the other outer belt being any typical...
|
|
|
6478718 |
Mounting platform for trampolines
A mounting platform is provided for access to a trampoline or similar exercise device. The mounting platform removably attaches to the side of the trampoline to provide a horizontal surface from...
|
|
|
6478113 |
Ladder leveling system
A ladder leveling system for facilitating the safe use of a ladder on uneven surfaces and maintaining the rungs of the ladder in a substantially horizontal orientation. The ladder leveling system...
|
|
|
6478112 |
Rail mounted fall arrest assembly
A sliding rail anchor fall arrest system ( 20 ) includes an anchor assembly ( 22 ), a safety hook ( 24 ), a safety harness ( 26 ) worn by a worker and a flexible lanyard ( 28 ) extending between...
|
|
|
6478111 |
Methods and apparatus for installing a safety line
A safety line system includes support assemblies which clamp to respective reinforcement bars protruding upward beyond the top surface of a concrete beam. The support assemblies include stanchion...
|
|
|
6477972 |
Assembly of a safety rail for an access hatch
A safety rail assembly for an access hatch of a kind comprising a hatch frame which defines an opening, said safety rail assembly being adapted to extend around at least a part of a hatch frame...
|
|
|
6476572 |
Power supply system and method for dock equipment
An electric power supply system for dock equipment at a freight loading dock, such equipment including dock levelers and truck restraints which are powered by electric motors. The emergency power...
|
|
|
6474663 |
Combined pair of ladders and transportation dolly device
What is disclosed is a combined pair of ladders and transportation dolly device. The device includes a first framework having a first and a second end and a second framework having a first and a...
|
|
|
6474607 |
Paint container support device
A paint container support device for use with a ladder having a plurality of rungs includes a hook member having upper and lower portions. The upper portion includes a generally inverted U-shaped...
|
|
|
6474442 |
Safety device
A personal safety device ( 10 ) adapted for longitudinal movement relative to an elongate support element ( 50 ) comprises a body ( 11 ) having a bore ( 12 ) for receiving the element ( 50 ), a...
|
|
|
6474441 |
Foldable rappelling hook
A pocket-size rappelling hook is provided for use by firefighters and the like in escaping from the upper stories of a burning building. The inventive rappelling hook is lightweight and portable,...
|
|
|
6471004 |
Self locking basket assembly
A self locking basket assembly has a basket extending from a base platform, and a gate system for releaseably securing a worker within the cage. The gate system includes a gate operatively mounted...
|
|
|
6471003 |
Utility scaffolding having safety features
Scaffolding ( 10 ) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick...
|
|
|
6471002 |
Folding foot step with anti-skid surface
A folding foot step of the type used on vehicles has an improved anti-skid, friction grip, stand-on surface with a clover-leaflet-shaped perimeter. The stand-on surface is interrupted by three...
|
|
|
6471001 |
Escape slide
An aircraft life raft assembly for use as a deployable escape slide from an egress opening of an aircraft. The escape slide is a longitudinally extending structure with a center line that extends...
|
|
|
6471000 |
Safety harness and ladder assembly
In certain embodiments, the improved safety ladder and harness assembly described herein incorporates a harness coupling designed to slide freely within the vertical member of a safety ladder so...
|
|
|
6470999 |
Ergonomic insert for aerial bucket
An ergonomic insert is disclosed that reduces the risk of low-back injury to workers in aerial buckets. A combination of an ergonomic insert, an aerial bucket and means for stabilizing said...
|
|
|
6470646 |
Roof scaffolding system
A roof scaffolding system includes a support assembly disposed on one inclined surface of a roof extending to a peak of the roof and attached to an opposite inclined surface of the roof near the...
|
|
|
6467577 |
Ladder mate
An open tool box with a cover positionable over a portion of the box. The cover is adapted to hook onto the top of a step ladder.
|
|
|
6467576 |
Aerial life saver combine
The “Aerial Life Saver Combine” is a multipurpose mobile safety system that is used in relation to work performed on top of any kind of vehicle or on stationary structures where fall safety...
|
|
|
6467575 |
Collapsible spiral-tube escape way
A collapsible spiral-tube escape way includes a plurality of spiral-tube units supported on tube-supporting frames. In a first embodiment of the escape way, the tube-supporting frames in a standby...
|
|
|
6467574 |
Sliding member for use with a life-line
A sliding member for use with a life-line comprises a mobile jaw delimiting with a fixed jaw a channel for guiding it on a cable. The jaw is held partly open in an intermediate configuration,...
|
|
|
6467573 |
Fall protection assembly
A lanyard ( 12 ) connected to a body harness ( 10 ) for supporting a person from fixed horizontal support member ( 38 ) upon an inadvertent fall of the person from a normal supporting surface. A...
|
|
|
6467234 |
Stairway system
A prefabricated stairway module ( 10, 11 ) comprises a first step and a second step, each step ( 14 ) having a tread member ( 13 ) and a riser member ( 15 ). The stairway module further has fixing...
|
|
|
6464038 |
Footrest for rock climbing
A footrest for rock climbing includes a rest member for supporting the foot of a climber, a pair of support bars collapsibly connected to opposite ends of the rest member, respectively, and a hook...
|
|
|
6464037 |
Reconfigurable work platform for aerial work platform system, aerial work platform system using same, and method for reconfiguring a work platform
A reconfigurable work platform for an aerial work platform system includes at least one outwardly tiltable portion on which an occupant of the work platform can lean so as to extend his or her...
|
|
|
6463709 |
Modular deployable antenna
The present invention provides a transformable linked structure, a deployable diagonal structure, a plane stowage-type deployable truss and a line stowage-type deployable truss with high rigidity...
|
|
|
6460654 |
Collapsible ladder having highly nesting rungs with integral stand-off projections
A collapsible ladder having rungs of a relatively strong and thin material with integral stand-off projections that allow the ladder to be safely descended and of a cross-section that allows the...
|
|
|
6460653 |
Combined trailer and hunting stand operable between elevated and collapsed positions
A portable, collapsible hunting box enclosure is constructed on a wheeled trailer. The hunting box enclosure may be raised and lowered through a scissor action support structure mounted on the...
|
|
|
6460652 |
Boom arrangement for rock drilling apparatus
A boom arrangement for a rock drilling apparatus includes at least one boom and an actuator, e.g., a passenger cage, arranged at a free end of the boom. The boom also includes at least two boom...
|
|
|
6457559 |
Foldable ladder
A foldable ladder having two rails with several rungs pivotally mounted on each end to rail extensions. The rail extensions are fixed to the rails and extend towards each other. A pivot joint in...
|
|
|
6457558 |
Tire step apparatus
A step apparatus is provided for use on a vehicle tire and includes a first step assembly which includes a first step portion and a pair of first struts extending upward from the first step...
|
|
|
6457557 |
Tool for retrieving a ladder from an elevated position
A ladder removal tool designed for use with any ladder that is supported at an elevated position and the method of its use are disclosed. The ladder may be an extension ladder or a large “A”...
|
|
|
6457556 |
Catching device for a system for protecting persons working at heights
A damping element for a catching carriage for damping the catching impact in the event of a fall of a user from a height includes a first end adapted to be connected to the carriage and a lug...
|
|
|
6454220 |
Evacuation slide with toe end center support member
An inflatable evacuation slide includes a feature to ensure against buckling of the sliding surface under load. In one embodiment, the slide is made from a fabric sliding surface stretched between...
|
|
|
6454050 |
Foldable step stool with leg lock and handle
A step stool includes a foldable frame having a front leg and a rear leg movable relative to the front leg and a carrying handle supported for pivotable movement on one of the legs about a pivot...
|