|
Match
|
Document |
Document Title |
|
|
7234203 |
Locking hinge for folding ladder
A hinge for a folding ladder including a hinge latch movable between a locked position and an unlocked position disposed within a hinge latch cavity. The hinge latch includes a first locking...
|
|
|
7140072 |
Lockable ladder hinge
A lockable hinge includes a first and second hinge member, a lock, and an actuator. The lockable hinge is coupled to a pair of ladder-leg sections and is arranged to allow the ladder-leg sections...
|
|
|
7121381 |
Move-on ladder system
A system and method for providing an improved ladder for enabling a user to climb up or down and forward or backwards movement relative to a surface. The system enables increased mobility and...
|
|
|
7007344 |
Safety unit of hinge for folding ladder
Disclosed herein is a safety unit of a hinge for a folding ladder to prevent a user's finger from being caught in the hinge when the hinge rotates. The hinge includes a first joint unit, a second...
|
|
|
6945360 |
Modular ladder assembly
A modular ladder assembly includes at least two ladder assemblies, each assembly having first and second parallel stiles and a plurality of spaced apart rungs disposed between the first and second...
|
|
|
6913113 |
Adjustable-height ladder
An adjustable-height stepladder has an upper-front frame and an upper-rear frame interconnected by a top member. The upper-front frame and the upper-rear frame each have an elongate slide track. A...
|
|
|
5775460 |
Hinge and ladder
A hinge and a reconfigurable ladder having at least one pair of hinges is disclosed. The ladder has stile sections connected together by the hinges. The hinges consist of two hinge members...
|
|
|
5752581 |
Ladder step
An apparatus for supporting a ladder in inclined position without the necessity for engaging a separate support surface comprises an X-shaped support frame defined by a pair of posts crossing at a...
|
|
|
5638918 |
Ladder conversion kit
A ladder conversion kit for converting an extension ladder into a stepladder. The kit includes one or more pairs of support braces for holding the two ladder elements together to form the...
|
|
|
5590739 |
Adjustable extension stepladder
A motorized utility extension ladder having a main and upper riser section extendable by a motor. The ladder further comprising a telescopic prop so that the ladder may be free standing, side wing...
|
|
|
5353892 |
Ladder joint for a folding collapsible ladder
A ladder joint includes a pivot, a first base plate mounted on the pivot and connected to a first side rail section of one side rail of a ladder, a second base plate mounted on the pivot and...
|
|
|
5228535 |
Folding ladder
A folding ladder comprising multiple ladder sections pivotally joined together to permit the ladder to be articulated into and locked in a variety of configurations. Each ladder section includes a...
|
|
|
5042614 |
Adaptable hunting stand for ladder-like use or A-frame use
Interactive component parts for assembling an ATV-mounted hunting stand of either the "A"-frame type or tree-leaning type, or alternatively as a ground-standing tree-leaning hunting stand. It...
|
|
|
4947959 |
Folding ladder
A folding ladder comprising of four straight sections each consisting of two uprights and four rungs equally spaced. The sections are connected with insulating hinged joints which can be tightened...
|
|
|
4926964 |
Step/extension ladder
This invention relates to a convertible step/extension ladder which allows to use one or more of extension sections with a basic A-shaped ladder frame. The extension sections are slidably mounted...
|
|
|
4842098 |
Adjustable folding ladder
The invention is an adjustable folding ladder that can be easily altered in its length and shape to adjust to the proper working height and angles for the user. With the fiber glass nylon hinges,...
|
|
|
4773503 |
Ladder hinge
A hinge for connecting and adjustably holding two sections of a supporting element such as ladder segments in an angular orientation with respect to each other comprising a housing having at least...
|
|
|
4718518 |
Step ladder
A convertible step ladder having a back section (13) comprising a pair of rails (101, 102) cooperable with a detachable section (16) provides a step ladder that can be used on stairs as well as a...
|
|
|
4566150 |
Ladder hinge and multi-position locking mechanism therefor
An improved hinge for a collapsible ladder includes a pivot pin which has a sufficiently simple construction to permit it to be fabricated by die-casting on a cost-competitive basis. The simple...
|
|
|
4520896 |
Foldable ladder
A ladder including a lower step section and a strut pivotally connected together at their upper ends for swinging movement between a collapsed position toward each other and a downwardly divergent...
|
|
|
4519478 |
Ladder extension coupling
A ladder extension is disclosed comprising two separable sections to be coupled together in longitudinally overlapping relation by first coupling means coupling a portion of a first ladder section...
|
|
|
4483415 |
Folding stepladder
A ladder including a lower step section and a strut pivotally connected at their upper ends for swinging movement between a collapsed position one within the other and a downwardly divergent...
|
|
|
4474264 |
Collapsible multi-purpose ladder
A collapsible multi-purpose ladder has ladder stringers which are connected by joints which are arranged in pairs, can be locked in several operating positions, and each have two joint parts which...
|
|
|
4469193 |
Utility ladder
A ladder which can be used as either an extension ladder or step ladder or stool, and which includes a pair of slidingly telescoping, selectively extendable ladder sections. An interconnecting...
|
|
|
4448282 |
Ladder formed as a multiple-purpose device
The ladder includes two separate ladder elements, which are pivotable and slidable relative to each other and can also be completely separated from each other. It can be used as a step-ladder and...
|
|
|
4434871 |
Emergency escape ladder
The present invention entails an emergency escape ladder that can be used to descend from one level of a building downwardly to another level, after which the ladder may be repeatedly repositioned...
|
|
|
4284171 |
Convertible ladder
A convertible ladder is provided which can be set up as an extension ladder, a step ladder or a trestle. A pair of leg assemblies each have a pair of sides connected by a plurality of rungs. Each...
|
|
|
4256200 |
Double extendible or support ladder
A step ladder with rungs which can be retracted and transformed, without dismantling, into a folded ladder and an extension ladder.
|
|
|
4216844 |
Fitting for joints of ladder sections
A fitting for a joint for two ladder sections, which in all angle positions is adapted to lock automatically. This fitting includes a first and a second fitting part which are respectively...
|
|
|
4202428 |
Ladder
A foldable ladder is disclosed having a central and two outer parallel support members or "stiles" and a plurality of steps connected between the central and the outer stiles. Each step is arranged...
|
|
|
4043423 |
Device for converting an extension ladder into a stepladder
A brace for converting an extension ladder into a stepladder. The brace comprises a pair of spaced clamping members for securing two diverging extension ladder sections. The clamping members...
|
|
|
4027741 |
Locking hinge mechanism for a stepladder
Hinge mechanism for locking the two foldable sections of an extension stepladder in spread-apart position. Each section has a locking pin and slot at its upper end for interlocking with a...
|
|
|
4016954 |
Foldable ladder
A foldable ladder is disclosed having a central and two outer parallel support members or "stiles" and a plurality of steps connected between the central and the outer stiles. Each step is arranged...
|
|
|
3866714 |
Convertible ladder
A convertible ladder including front and rear step sections coupled for swinging movement between generally parallel, co-extensive positions and relatively inclined positions to configure the step...
|
|
|
3768592 |
MULTI-PURPOSE LADDER ASSEMBLY
An improved multi-purpose ladder assembly includes a collapsible stepladder portion, a lean ladder portion which may be extendable, and locking means such as pivot pins releasably pivotably...
|
|
|
3695389 |
COLLAPSIBLE LADDER ASSEMBLY
A collapsible ladder assembly having a ladder for use alternatively by itself or in combination with a carrying case in which said ladder is formed from a plurality of swingably interconnected...
|
|
|
3476211 |
KIT FOR CONSTRUCTING LADDERS AND THE LIKE
|
|
|
3363721 |
Ladder construction
|
|
|
3307652 |
Folding step ladder
|
|
|
3169603 |
Access ladder
|
|
|
3146852 |
Combination step and extension ladder
|
|
|
3111193 |
Combination step-extension ladder with an adjustable pail shelf
|
|
|
3100552 |
Convertible ladder
|
|
|
2962111 |
Combination step-extension ladder
|
|
|
2919762 |
Combination step and extension ladder
|
|
|
2900041 |
Sectional ladders
|
|
|
2864544 |
Self-supporting folding ladder
|
|
|
2834528 |
Convertible ladder
|
|
|
0989570 |
Title is not available
|
|
|
0093502 |
Title is not available
|