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8944466 Vehicle outrigger and stabilized vehicle using same  
An outrigger is disclosed for stabilizing a wheeled vehicle having an extensible service equipment mounted to a chassis thereof. The outrigger is deployable between a stowed and a deployed...
8662252 Leveling system for portable work platforms  
A carriage assembly includes a carriage frame, a caster, and a first jack body coupled to the carriage frame and the caster. The first jack body has a longitudinal axis. The first jack body is...
8459412 Portable scaffold system  
A scaffold system includes first and second spaced apart vertical posts. An upper support device mounts at an upper portion of each of the first and second vertical posts and includes spaced apart...
7841447 Ladder with removable step and method of storing the ladder in a compact container  
A modular ladder comprises a base having a back end and a front end. A vertical support is attachable to the back end of the base. The ladder also includes a stair section assembly comprising a...
7828115 Weight-releasing ladder lockstep  
A novel lockstep mechanism for a rolling ladder is described. The weight-releasing ladder lockstep allows a ladder to be relocated on wheels but when a person climbs the ladder, the front wheels...
7753169 Wheeled support platform for a stepladder  
A wheeled platform for supporting a stepladder includes an adjustable size frame carrying a plurality of swivelable and rotatable wheels for movably interengaging an underlying surface. The frame...
7614480 Portable orchard ladder support  
The present invention relates generally to ladders and more specifically to auxiliary stands or supports for utilization with ladders where it is not possible or desirable to rest the top of the...
7228936 Mobile scaffolding braking system  
A mobile scaffold (10) having bi-axially rotatable casters (22–28) and including brake assemblies (30 and 32) associated with the casters (22–28) is disclosed. The inventive brake assemblies...
6962233 Mobile ladder stand  
A safety ladder stand comprising a generally rectangular base having a front and rear and a center beam, a plurality of stair treads extending upward from the front of said base and means for...
6938730 Buddy's adjustable height workhorse  
The adjustable height workhorse is a height adjustable workspace for allowing a worker to easily hang sheet rock on walls at elevated heights. The workhorse provides a platform supported by a...
6932194 Safety rail for scaffolding  
A first embodiment of a safety rail for a folding scaffolding cart comprises a single hollow metal tube having two longitudinal ends and shaped to have three smooth 90 degree bends to fit diagonal...
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...
6688426 Wheel extension and lift device for ladders  
A device for allowing a user to selectively extend and retract wheels at the feet of an A-frame stepladder thereby enabling the user to move the ladder from point “A” to point “B” without...
6523640 Undercarriage for mobile ladders and platforms  
An undercarriage for a mobile ladder stand or other similar warehouse apparatus includes a pair of retractable wheels located at the rear of the undercarriage frame and a pair of retractable...
6516917 Outrigger assembly for a mobile telescopic belt conveyor  
An outrigger assembly useful for supporting and stabilizing a mobile work machine, such as a vehicle-mounted telescopic belt conveyor, while the work machine is operating. The outrigger assembly...
6305496 Safety mobile ladder stand  
The ladder stand employs a pair of swivable caster wheels at the front and a pair at the rear which are used in cooperation with a pair of closely located non-swivable caster wheels, thereby...
6283249 Mobile ladder with lifting tray  
A combined stepped structure and lifting mechanism includes a base and a framework secured to the base, the framework having a pair of spaced apart vertical tubes rising upwardly from the base. A...
6216818 Mobile ladder including a goods lift  
A mobile ladder (10) including a goods lift (12) which can be driven between upper (FIG. 3) and lower (FIG. 4) positions. The ladder has a default-immobile state which can be overcome by a force...
6179087 Ladder  
A default-immobile ladder (10) includes mobility means (12) displaceable between a ladder immobile position and a ladder mobile position in which the mobility means extends downwardly beyond the...
6173810 Trailer personnel lift with a level sensor and manually set outriggers  
A trailer personnel lift (20) with a level-sensing system (69). The level-sensing system (69) provides information to a level-indicator display (72) that indicates which outriggers (34) of the...
6026931 Support frame assembly  
A support frame assembly including at least one pair of generally vertical spaced uprights joined together by transversely extending structural members and having caster wheel support members for...
5937967 Mobile scaffolding apparatus with retractable wheels  
A mobile scaffolding apparatus having wheel support means which can be moved out of engagement with the ground. The wheel support means are mounted to a conventional scaffolding frame made of at...
5860489 Travelling scaffolding  
Travelling scaffoldings must cope with manifold tasks and especially be characterized in that their resting surface must adapt to various conditions. In the disclosed scaffolding, the...
5819872 Mobile scaffolding  
Mobile scaffoldings must fulfill many different purposes, which, among others, are characterized by variously wide platforms being needed at different distances from structures. An inventive...
5791434 Mobile warehouse ladder  
A mobile ladder arrangement including base, ladder and linkage and caming assemblies therebetween to provide a foot actuated ladder assembly secured "use mode" and a hand actuated ladder assembly...
5653306 Ladder system including a caster bracket and method of forming  
A ladder system comprising a ladder having side rails and a plurality of steps disposed between the side rails. The ladder system also is comprised of at least one corner brace for supporting a...
5641034 Step stool having integral side storage compartments  
A stepstool (10) is disclosed having a central planar top platform (14), four support legs (20,22,24,26) for supporting the platform, and a pair of storage receptacles (36,38) extending outward in...
5411111 Rolling stairway  
A rolling platform ladder includes a frame supporting a stairway and a flat work platform area at the top of the stairway. The frame includes a base portion that has a cantilevered front area for...
5228534 Portable scaffold apparatus  
A portable scaffold has a frame with a pair of spaced apart, longitudinal members which are essentially parallel to the direction of forward travel of the frame. The frame has a plurality of wheel...
5148889 High level package retrieval system  
A new and improved overhead package retrieval system, including a series of C-shaped tracks which are mounted onto storage shelf units, a platform that has rollers that fit within these C-shaped...
5082086 Wheeled ladder  
A ladder is disclosed including wheels normally received off the ground, and four legs normally supporting the ladder. When it is desired to move the ladder, it is pivoted off the legs until the...
5080192 Ladder with warning gate  
A ladder is disclosed which includes gate members to block access to the ladder. The gate members preferably include a warning against unauthorized use of the ladder. The ladder may be mounted on...
5022490 Safety base for scaffolding  
A safety base is provided for a scaffold. The scaffold has casters so that it can be moved periodically at the job site. The safety base has two components, each consisting of an elongate bar with...
4949808 Aerial apparatus and stabilizing means therefor  
An aerial apparatus swingable outwardly of a fire truck chassis is stabilized by outriggers on opposite sides of the chassis with the aerial apparatus being swingable to one side or the other only...
4941546 Aerial ladder rotation limiter  
A fire truck includes an aerial ladder mounted on a rotatable base and outriggers on each side of the truck to stabilize the ladder in use. The outriggers may be deployed on only one side of the...
4923050 Ladder support  
A machine for the disposition of a ladder includes a frame having front leg means at the proximal end thereof, rear leg means and ladder fixing means at the distal end thereof and cradle fixing...
4919229 Stable working platform  
A load support platform for use in conjunction with a vehicle tire wherein a pair of outwardly flared feet 22, 24 interact with the tire such that lateral or downward forces on the platform 6 is...
4877107 Mobile scaffolding system and scaffold support  
A mobile scaffolding system having a substantial rectangular rolling base which supports pump jack poles on which rides up and down pump jacks across which a platform is supported. The poles are...
4834215 Leveling aerial device-motor vehicle assembly  
An aerial device--motor vehicle fire fighting assembly in which a movable frame carrying an aerial device is connected between the fifth wheel of the tractor vehicle and the forward end of the...
4777751 Portable illuminated signal person station  
A portable iluminated signal person station is disclosed having a first frame supported on legs and a second frame having legs pivoted to it. A person can stand on the platform and direct traffic....
4768617 Adjustable stairway having retractable wheel carriage  
An adjustable stairway is disclosed that is supported on a retractable, wheel mounted carriage. A locking mechanism selectively maintains the carriage in a lowered, ground engaging position for...
4726445 Mobile lift  
A mobile lift comprises an undercarriage structure having a tow bar (1), a towing extension (9) and road wheels (7) supporting a main swivel bearing (6) for a lift boom (5) with a basket or...
4690248 Portable hoist  
A collapsible frame of a general ladder shape having elongated side rails connected by transverse support members. The frame defines an inverted U-shaped frame when in its unfolded operative...
4620608 Rolling scaffolding base  
An improved base is provided for supporting conventional mobile scaffolding commonly used to erect and maintain buildings. The components of the base according to the present invention may be...
4519475 Scaffolding  
Scaffolding that is intended for operations carried out at a certain height and involving horizontal forces as well as the recovery of these forces.The scaffolding includes a tower (5) consisting...
4442919 Portable tower  
A portable tower or derrick which may be easily towed to a selected location and then erected by a single operator. While in the transporting position, the lower portion of the portable tower is...
4398620 Apparatus for supporting a working platform on a pitched roof  
Apparatus for supporting a working platform on a roof comprises hook members for engaging the roof cap, a cable extending downwardly from the hook member and a support unit attached to the lower...
4397373 Mobile pedestal scaffold  
A pedestal scaffold having a base member with an upwardly extending mast and a work cage mounted thereon for vertical movement. Retractable outriggers with ground-engageable pads are extendable...
4392436 Knockdown metal table  
A knockdown metal table having legs and a flanged top and including auxiliary components such as a drop leaf and modesty panel having attaching means which in assembly are clamped between the legs...
4373761 Combined article mover and worker support  
A combined article mover and worker support comprising a plurality of stepped horizontal platforms or steps, at least one of which is supported vertically by vertical frame members, and a handle,...

Matches 1 - 50 out of 95 1 2 >