|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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 frame...
|
|
|
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 wheels...
|
|
|
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,...
|
|
|
4302023 |
Dolly with vertically adjustable shelf
A dolly is disclosed having a vertically adjustable shelf attachable to independent vertical side rails resting on a surface, the rails constituting legs for the support of the shelf, two of which...
|
|
|
4194591 |
Mobile scaffold with fixed-use-position outriggers
A pedestal scaffold having casters on the scaffold base to permit the scaffold to be rolled horizontally while the scaffold is in a generally vertical position. Retractable outriggers are extended...
|
|
|
4174021 |
Ladder truck
A ladder truck, e.g. for use in stores for transporting goods from central storage to display shelves and for facilitating the loading of such goods on display shelves, comprises a wheeled truck...
|
|
|
4063616 |
Safety ladder with caster assembly moveable positively to a retracted position
A safety ladder assembly having a plurality of steps and at least three support feet for supporting the ladder on a horizontal surface. A caster assembly having at least three casters for providing...
|
|
|
4044857 |
Mobile ladder
A mobile ladder has a base, castors mounted to the base, a ladder connected to the base, a support member connected at one end to the base and at the other end to the ladder forming a structural...
|
|
|
3997024 |
Portable scaffold ladder
A portable collapsible scaffold ladder has a pair of upright caster-mounted end members joined together by a horizontal platform member. A pull-out ladder for ascending to the platform is...
|