|
Match
|
Document |
Document Title |
|
|
7017713 |
Stacker crane
A mast in a conventional stacker crane is configured to extend in a vertical direction. Accordingly, the mast is not sufficiently rigid, and may swing in a running direction during running or when...
|
|
|
6966406 |
Step platform attachable to a ladder
A ladder step platform can be mounted on any ladder having hollow rungs extending between ladder rails. This ladder step platform is especially intended for use with conventional extension ladders....
|
|
|
6786300 |
Step attachment for ladders
A unitary step unit has a generally rectangular main body portion with opposed transverse ends and laterally opposed sides. One end is bent downward and angularly outward with respect to the main...
|
|
|
6637548 |
Personal stand and method of using a personal stand
A personal stand incorporating a ladder, a user supporting platform and a load sensitive pliant suspender that is easily adapted for use with an extension ladder. The personal stand improves the...
|
|
|
6412601 |
Ladder pan
A suspendible container for holding items that is capable of being attached to holes on a horizontal surface. The container is particularly adaptable to being attached to the top cap of a ladder....
|
|
|
6401862 |
Stepladder organizing assembly
A stepladder organizing assembly for increasing a surface area of a head step of a stepladder includes a base portion with a top surface and a bottom surface. A peripheral shoulder is integral to...
|
|
|
6352135 |
Accessory device for ladders
An accessory for installation on a ladder having hollow rungs comprises a holding arm which is shaped to fit within a hollow rung of a ladder. The accessory includes a ratchet assembly mounted...
|
|
|
6272413 |
Safety system for boom-equipped vehicle
While a crawler body 110 is traveling, infrared sensors 144 and an elevational difference calculator 132 incorporated in a controller 130 detects the magnitude of a step present ahead of the...
|
|
|
6142255 |
Ladder, member for connecting a rail to a horizontal element of a ladder, and method
A member for connecting a rail to a horizontal element of a ladder. The member comprises a first portion that connects to the horizontal member. The member also comprises a second portion which...
|
|
|
5975240 |
Platform for ladders
A safety platform foldable structure for a ladder for a worker to stand on. The platform structure has a platform flooring in the shape of the letter H which is removably mountable to one rung of...
|
|
|
5779208 |
Movable step platform for ladders
An adjustably positionable support platform for use in combination with an extension ladder which includes a generally planar deck having a load supporting assembly to accommodate a person standing...
|
|
|
5337857 |
Ladder adaptable platform
The present invention comprises a platform for an aluminum extension ladder which platform is adjustable upwardly and downwardly, and is pivotable between a pair of side frames, to permit a user's...
|
|
|
5158023 |
Scaffold table for sheet rock finishers
A scaffold table for sheet rock finishers includes a horizontal planar base with subtending walls and a spaced apart U-shaped border wall that together define a U-shaped elongate slot sized to...
|
|
|
5148891 |
Ladder extension step apparatus
A ladder extension member is arranged for securement to an associated ladder step of an associated ladder, wherein the organization is dismounted relative to the ladder step for resecurement...
|
|
|
5111908 |
Pipe step
A pipe step for providing a flat supporting surface on the top side of a horizontal pipe. The step includes a pair of channel members each having arcs cut in the flange portions thereof to meet...
|
|
|
5058707 |
Work shelf for a folding stepladder
A work shelf for removable installation and use on a stepladder to provide an enlarged, sturdy area for holding tools and material. The work shelf includes a platform area of a width greater than...
|
|
|
5056620 |
Stepladder platform
A stepladder platform which can be installed onto the steps of a stepladder to provide an enlarged standing area. A restraining means at the rear engages the stepladder step to prevent forward...
|
|
|
5031723 |
Ladder accessories
This invention relates to devices which adapt to and attach to ladders and step ladders to enhance the balance and stability of the user and to provide support for equipment, tools and supplies....
|
|
|
4953661 |
Ladder attachment
An attachment for use on a ladder to provide a step or tool support having a frame which can be supported on a ladder, and a movable structure which is pivotally mounted on the frame for movement...
|
|
|
4910927 |
Knee supporting crutch attachment
An attachment for existing crutches includes a foldable mechanism having a knee supporting platform and which is shiftable from a horizontal use position, on the inside of a crutch, to a vertical...
|
|
|
4907675 |
Modular constructional element in particular of a ladder or scaffolding
This modular constructional element (14), which is of the type comprising at least two uprights between which at least one crosspiece extends, is such that each end of the uprights is...
|
|
|
4800988 |
Adjustable platform for a rung ladder
An adjustable platform for a rung ladder has a footplate which provides sufficient surface area to enable full contact by the users feet. A footplate support system enables the footplate to...
|
|
|
4706918 |
Ladder accessory
A ladder accessory with an upwardly open receptacle is designed to rest on a rung of a ladder or step-ladder and its shape cooperates with one upright of the ladder prevent transverse movement of...
|
|
|
4696372 |
Portable step and carrying device for stud walls
A portable step-forming device releasably attachable to a vertical wooden stud comprises a U-shaped gripping member for closely receiving a stud member, a step member attached to one prong of the...
|
|
|
4676468 |
Portable carrier device for temporary attachment to a support
A paint pot carrier comprises a unitary moulded body defining a pot-receiving well (3). A hooking web (8) of the body enables the carrier to be hooked over a ladder rung (R), an inclined shoulder...
|
|
|
4660794 |
Ladder tray
A work tray for mounting on hollow rung ladders. The tray has a single shaft which goes through one rung of the ladder. Lock means are provided to keep the tray from rotating or from pulling out of...
|
|
|
4445659 |
Combination bracket and adjustable ladder tray
A combination bracket and adjustable ladder tray for holding the tools and materials of a tradesman in close proximity to his area of work while he is working on an extension ladder. The device of...
|
|
|
4437544 |
Service platform for a ladder
A service platform for a ladder has a ladder rung locking means that provides support for a frame member upon which a user stands. A scissor-like action is produced about a bearing wherein one...
|
|
|
4428456 |
Lookout convertible to a compact dolly
A preferred tower of a lookout is triangular in cross section and tapers inwardly from the bottom to top. The tower has an upper and a lower section of about equal lengths, and the tower can be...
|
|
|
4405141 |
Servicing steps to be mounted on the bumper of a truck
A pair of separate stackable steps is described, one for supporting each foot of the user. Each step includes a sheet metal body that comprises a bumper engaging fulcrum section inclined upwardly...
|
|
|
4332308 |
Safety stepladders
Stepladders having flat tread steps have a step extender fixed along the rear edge of the first step from the top of the ladder to increase the width of the step bearing surface and improve ladder...
|
|
|
4189029 |
Scaffold device
A scaffold device has two leg members having at their upper end spacers to space the legs away from a wall or other structure. Each leg has a support assembly for a platform upon which a worker may...
|
|
|
3985203 |
Ladder landing
A landing for a ladder or the like includes a support bracket adapted to be secured to the upper end of a ladder by a tie bar passing through a rung thereof. The bracket includes a bar rigidly...
|
|
|
3915475 |
Vehicle safety step
A safety extension is provided for the relatively small slidably retractable step of a vehicle, such as a motor home or recreation vehicle. A safety step of considerably increased size is readily...
|
|
|
3870124 |
Scaffold ladder structure
A ladder vertically disposed within the confines of a scaffold permitting ascension of assembled scaffolding by a worker in a safe manner. Connector means includes clamps retaining the ladder in an...
|
|
|
3797607 |
PORTABLE WORKING PLATFORM
A portable platform is provided for use where stable working stages are required but which must be removed when not in use. The assembly is comprised of a bracket portion that is normally fixed to...
|
|
|
3779344 |
MULTI PURPOSE LADDER
This invention relates to a ladder attachment adapted to support the top of a ladder spaced outwardly from a vertical supporting surface and a platform adjustable to various width ladders for the...
|
|
|
3491852 |
LADDER SCAFFOLD
|
|
|
3464518 |
SCAFFOLD STRUCTURE
|
|
|
3422923 |
CONVERTIBLE COMBINATION PLATFORM AND STEP FOR LADDERS
|
|
|
3294197 |
Perch for a ladder
|
|
|
3182749 |
Ladder platforms
|
|
|
3146854 |
Hold away ladder attachments
|
|
|
3115214 |
Portable step attachment for ladders
|
|
|
3112811 |
Auxiliary safety step for rung ladders and locking means therefor
|
|
|
3111193 |
Combination step-extension ladder with an adjustable pail shelf
|
|
|
3109512 |
Stepladder
|
|
|
3078950 |
Protable platform step for stepladders
|
|
|
3020972 |
Combination utility cart and extension ladder
|
|
|
2945549 |
Detachable ladder step
|