Matches 1 - 50 out of 77 1 2 >
Match Document Document Title
7198134 Method and apparatus for assisting multiple climbers  
A method is provided for assisting multiple climbers in ascending and descending the same ladder using an apparatus that includes a plurality of counterweights and a rigging system coupled to the...
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...
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....
6837337 Fall arrest safety device  
A fall arrest safety device for workers on transmission towers and the like includes a “matched” safety rail and brake trolley. The rail has a profile which includes a non-symmetrical profile...
6725969 Catch device for a climbing protection system  
A fall arrester for a climbing protection system to prevent a person from falling from a ladder, platform, or similar structure. The fall arrester can be guided in a guide rail and has a housing...
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...
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...
6330861 Height safety system  
A height safety system includes an elongate semi-rigid element (310) suspended from its end under tension between a pair of fixed anchors and is supported by intermediate guides (331). Shuttle...
6298629 Safety line anchorage assemblies  
An anchorage kit 100 includes components which may be assembled in various ways to provide anchorages 101-107 suitable for connection in series between a safety line and any of various structural...
6260662 Rectractable extension for the guiding rail of a climbing guard  
The device for allowing a person to safely step off from and onto a climbing track on a roof edge, a roof slope, a shaft opening or similar, includes a guide rail (10) for guiding a catching device...
6161647 Fall arresting ladder safety device  
A fall arresting ladder safety device for attachment to a fixed ladder side rail. The fall arresting device is to be used in conjunction with a body harness worn by the climber with a lanyard...
6113327 Apparatus and system for securing cargo  
A retractable securement apparatus and system for securing cargo to a support structure to prevent undesired relative movement between the cargo and the support. The apparatus comprises a strap...
5964316 Fall prevention system for top mount antenna  
In a vertical radio-frequency wave radiating structure to be climbed by a person, there is provided a fall prevention system. This fall prevention system includes a safety rope, made of a...
5941340 Device for use in climbing or in transporting a mass  
A device for use with a climbing or scaling apparatus comprises generally a first elongated rail member and a second elongated rail member. The device further comprises a gate mechanism. The gate...
5878534 Roof ridge safety device  
A safety device in the form of a building component (3) which has a channel (1) along which a traveller (4) may move. The traveller (4) has attachment means (5) for attachment to a safety harness....
5664642 Fire evacuation kit  
A fire evacuation kit including a housing securable within a residence beneath a window thereof. A rope ladder is secured to an inner surface of the housing so that the housing can be opened to...
5581955 Safety device  
A safety device in the form of a building component (3) which has a channel (1) along which a traveller (4) may move. The traveller (4) has attachment means (5) for attachment to a safety harness....
5411112 Apparatus for escalading  
In the field of materials handling, e.g., in warehouses, there is a need for a low-cost shelving access system which does not require a user thereof to carry objects whilst negotiating, e.g.,...
5339920 Foldable fire-escape ladder  
The following invention relates to a fold out fire escape ladder. The ladder comprises at least two parallelly arranged strings (1, 2), which are interconnected by means of a plurality of pivotally...
5265696 Ladder climbing safety clamp  
A ladder climbing safety clamp is claimed that may be easily operated by a worker with one hand while overcoming many potential safety hazards of prior devices. The safety clamp includes a body...
5238084 Safety device for climbing ladders  
A safety device for climbing ladders which has a body member with a rail receiving portion which is formed of cast metal such as aluminum and has a rail receiving opening which is at least...
5161639 Derrick counterweight assembly  
A telescoping derrick has a safety line which is attached to a harness which secures to a worker to be used while climbing the ladder of the derrick. Telescoping tube sections are mounted to the...
4997064 Device for automatically securing a climber climbing a wall  
This invention relates to a device for automatically securing a climber climbing a wall, wherein it comprises: a shaft guided in rotation, at least one drum comprising a groove for receiving...
4709783 Apparatus for installing escape device for slowly lowering a body  
An apparatus for installing an escape slow lowerer stably at an arbitrary place on a building. The apparatus has a ladder body, horizontal rods mounted on the ladder body and vertical rods mounted...
4702347 Folding, burglar proof fire escape ladder with separate release stations and safety belts with locking brackets  
A folding fire-escape ladder with safety belt, made of two U-shaped channels (A,S), which form the side rails, and rungs (W) of square tubing. The rungs are attached to the side rails by...
4607725 Safety ladder  
A safety ladder comprises a vertical central ladder stringer and a plurality of horizontal rungs attached thereto, wherein the central ladder stringer has a substantially C-shaped cross section...
4550804 Climbing assist apparatus having controlled descent and escape mechanism  
A climbing assist apparatus for oil derricks and the like comprises a cable which is attached to the worker and is trained over a sheave at the crown portion of the rig, then connected to a...
4546855 Safety extension for a fixed ladder with an adjustable mount  
A safety extension is adapted to be mounted by various adjustable means to the upper rungs of a ladder or the inside of a manhole. The safety extension comprises a rod which is moveable in a sleeve...
4538703 Climbing aid and safety descent system  
A safety system which permits the free movement of the user, assists the ascent of the user and provides a reduced, controlled rate of descent in the event of an emergency descent or a fall,...
4458781 Climbing aid and safety descent device  
A novel controlled descent device is disclosed which not only aids in the ascent of a human being from a lower elevation to an upper elevation but also provides for the safe descent of a human...
4423796 Ladder climber's safety device  
A ladder climber's safety device comprises a pair of manually graspable rung engaging members providing sliding latches for engaging the rungs of a ladder. The rung engaging members are connected...
4406350 Safety device for ladders  
A device for supporting a person on a ladder in which a frame is provided for extending around the ladder with sufficient clearance to move relative to said ladder. A portion of the frame extends...
4401183 High rise life escape ladders  
A fire escape ladder system for high-rise buildings having balconies with parapets. Each balcony stores its own corresponding ladders. A first ladder is securely mounted on the parapet. This ladder...
4399890 Independently mounted fall prevention apparatus  
A flexible cable safety system for a fixed ladder is mounted adjacent to and independent of the ladder. This arrangement is useful for ladders which are not designed to withstand the loads imposed...
4352409 Climbing safety device  
A device for arresting the fall of a climber ascending or descending along a vertically disposed rail, such as a guide rail secured to a ladder, including a support member having an opening therein...
4269284 Sliding clamp and adaptor  
A sliding clamp is provided for slideable mounting upon variously sized rails and has an adaptor disposed between the clamp housing and rail surface for accommodating the clamp to variously smaller...
4252214 Safety descent device  
A fall prevention safety device for attachment to a harness worn by a workman for providing a safely controlled descension rate from an elevated structure includes a cable having one end connected...
4193475 Rigid rail safety device  
A safety clamp slidably mounted on a vertical safety rail in proximity to a ladder is attached to a workman's belt by a pivotal actuating arm which shifts a wedge plate into clamping engagement...
4184568 Safety device for ladder climbing  
A ladder or the like climbing safety device of the type of a pair of hooks is provided, at each of the hooks, with a "U"-shaped clip adapted to engage the back and the palm of the respective hand...
4169518 Safety belt  
A safety belt is disclosed comprising a first belt to be worn about the waist and a second belt slidably connected thereto. The second belt has ladder rung engaging members such as hooks on either...
RE30072 Safety clamp  
Restraining device intends to protect the workman from falling while working at higher environments. The device consists of a fixed cable stretched along the area of interest. A gripping clamp...
4130177 Ladder climber's safety device  
A ladder climber's safety device for use with stationary ladders of the type having side rails of rectangular cross-sectional configuration includes hand grip members slidable along each rail and...
4111280 Supporting guide rail for ladder safety device  
A fall prevention safety climbing device for workmen ascending and descending ladders on tall structures comprises a sleeve including a locking pawl adapted for attachment to a workman's safety...
4085818 Plastic ladder and safety device  
A safety clamping device for use by climbers, combined with a fiber reinforced plastic rail upon which the clamp ultimately slides or grips. The clamping device has a pivotally mounted plate...
4071926 Safety device for ladder climbers  
A safety clamp slidably mounted on a vertical safety carrier, such as a cable or rod, in proximity to a ladder is attached to a workman's belt by a pivotal actuating arm which shifts a wedge plate...
4059871 Clamping device with locking trigger arm  
This invention relates to a clamping device slidably supported upon an elongated body such as a cable, bar, tube or the like, in a sliding cylinder of selected size to accommodate the elongated...
3979797 Safety device for ladder climbers  
A safety clamp slidably mounted on a vertical safety carrier, such as a cable or rod, in proximity to a ladder is attached to a workman's belt by a pivotal actuating arm which shifts a wedge plate...
3908791 Safety clamp  
Restraining device intends to protect the workman from falling while working at higher environments. The device consists of a fixed cable stretched along the area of interest. A gripping clamp...
3885647 Climbing safety device  
A climbing safety device suitable for use with a ladder includes a pair of bar members pivotally connected to the rails of the ladder and movable therealong. A belt interconnects these bar members,...
3598200 EXTENSIBLE SAFETY APPLIANCE FOR MANHOLE LADDERS  
A sleeve attached to the rungs of a manhole ladder has a slidable rod therein which is extendable upward from the manhole to provide a vertical railing for workman on the ladder. A support at the...
Matches 1 - 50 out of 77 1 2 >