Matches 1 - 50 out of 305 1 2 3 4 5 6 7 >
Match Document Document Title
7364017 Combination ladder, ladder components and methods of manufacturing same  
Ladder configurations and components are provided including an outer rail assembly which is longitudinally adjustable relative to an inner rail assembly. The outer rail assembly may include a pair...
7341392 Lock device in an articulated joint for a foldable ladder  
An articulated joint for a foldable ladder includes an outer casing pair, an inner casing pair pivotally moving with respect to the outer casing pair, a lock device composed of a lock block and a...
7311177 Step stool, hinge and method  
A folding step stool includes a hinge mechanism. The step stool includes a first section connected to the hinge mechanism. The first section having a bottom step. The step stool includes a second...
7306075 Dynamic hinge for ladder  
A dynamic hinge includes a first member connected to a first ladder portion of a ladder, and a second member connected to a second ladder portion. The first member pivots relative to the second...
7264082 Convertible ladder  
A ladder having a first ladder section, a second ladder section, an adjustable hinge mechanism, an engagement indicator and a static hinge mechanism. The adjustable hinge mechanism is mounted with...
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...
7225896 Collapsible handrail mechanism  
A collapsible handrail mechanism for steps or a ladder including: an outer stringer and an inner stringer jointly pivotable about a pivot point; a stanchion located between the outer and...
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...
7100740 Portable boat trailer ladder  
The present invention teaches a boat trailer ladder which may be easily secured to and moved along the trailer rails. A hook is dimensioned and configured to engage standard boat trailer rails. An...
7100739 Step stool, hinge and method  
A folding step stool includes a hinge mechanism. The step stool includes a first section connected to the hinge mechanism. The first section having a bottom step. The step stool includes a second...
7093321 Lockable 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...
7047597 Hinge for folding ladders  
Disclosed herein is a hinge for a folding ladder having first and second ladder frames. The hinge includes a main hinge unit, a subsidiary hinge unit, and a locking unit. The main hinge unit...
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...
6719093 Extension ladder and tree stand  
An extension ladder and tree stand for supporting a seated or standing person on an elevated platform against a tree trunk for hunting, photography, and the like. The ladder and platform collapse...
6588547 Joint for an articulated ladder  
A joint for an articulated ladder comprises two outer casing parts, two inner casing parts, an arched lock piece, and an extension spring. The inner casing parts pivotally engages with the outer...
6422344 Folding step ladder  
First and second ladder sections are each molded of a rigid plastics material, and each ladder section includes parallel spaced elongated leg portions integrally connected by two parallel spaced...
6343406 Hinge on ladder  
A hinge on a ladder comprises outer casing pair, inner casing pair, a fixing plate with a shaft and three lock pins, a central rivet pin, and a button knob. The outer casing pair and the inner...
6318498 Collapsible ladder  
A collapsible ladder provides a plurality of segments, each segment associated with one rung of the ladder. The segments may be folded into a flat or planar configuration, after which each segment...
6220389 Folding ladder  
The pull-out sections of folding ladders must be locked on the guiding elements pertaining thereto for ladder use and should also be easily unlocked. A locking bolt used to fix the elements can be...
6079072 Foldable and rigidizable space spanning structure  
A frame assembly supports a work surface of either flexible material or of sections of foldable and unfoldable relatively rigid material all so that the frame assembly and material may either be...
5992566 Pulling device for foldable ladder joint  
A pulling device for a foldable ladder joint, comprising: two inner bodies, having facing front surfaces, with aligned sets of three arc-shaped holes each along a circular path; an arc-shaped...
5967258 Guardrail assembly  
A guardrail assembly for use on an elevated work platform includes a plurality of pivotally interconnected rail sections mounted on each side of the open front end of the work platform for movement...
5954157 Fiber/resin composite ladder and accompanying accessories  
A combination step and extension ladder manufactured of prestressed filament wound composite material such as fiberglass is disclosed. The inner and outer side rails are molded, filament wound...
5944141 Foldable ladder  
A foldable ladder having rungs pivotally connected to the side rails, allowing the side rails to pivot from a position wherein the siderails are coplanar to the rung to a support position wherein...
5924521 Marine vessel overboard emergency system  
A marine vessel ladder system that is primarily used for overboard emergency situations. The ladder system is collapsible and separable into two pieces with one piece substantially smaller than the...
5890561 Connection between a ladder side rail and a hinged arm of a ladder hinge  
The connection between the ladder side rail (3) and the hinge arm (2) is performed through a form-matching and/or force-matching joining connection (F N , F V ) in the corner regions (5, 6) of the...
5871067 Permanently affixed folding emergency escape ladder  
The present invention is a collapsible, folding emergency escape ladder having an attachment means for permanently affixing it to a window frame rough opening structural components that are present...
5757650 Method of correcting stock condition in an automated storehouse control and apparatus therefor, and method of correcting conveyance state of parts and apparatus therefor  
The disclosed is a method comprising the steps of displaying entirely a plurality of storehouse facilities in the form of a plan view; informing a storage abnormality when the actual storage...
5687813 Vehicle boarding device  
The invention shows a detachable ladder for use with a military and similar ehicles. The ladder has an adjustable mounting apparatus allowing the ladder to be attached to a wide variety of vehicle...
5655623 Folding ladder, tree stand and securing device therefor  
A ladder having pivotable folding riser sections, includes at least one pair of elongated riser components connected by a folding joint. The components have mating contacting ends abutting each...
5620272 Adjustable joint assembly for ladder sections  
The angle between adjacent ladder sections may be adjusted by a joint assembly having two base plates secured to the sections, wherein a locking rod extending through one base plate is selectively...
5605203 Automatic foldable emergency ladder system  
An automatic foldable emergency ladder system for use in a building having a smoke detecting device includes an inverted L-shaped housing having a horizontal portion and a vertical portion and...
5579867 Lubricator ladder  
A safety ladder made special for attachment to a lubricator, or a vertically disposed pipe, which enables a person to safely scale the lubricator after it has been affixed to a well head. The...
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...
5350038 Foldable extension ladder and ladder sections therefor  
A foldable extension ladder includes first and second ladder sections; each ladder section including a three foldable sections, each foldable section including a pair of end rails and a plurality...
5282520 Portable hunting stand and game carrier  
A portable hunting blind or observation and hunting stand, and wheeled carrier is provided. The unit is foldable and has lower, central and upper ladder elements interconnected by securable hinges....
5279387 Articulated ladder assembly  
An assembly including several ladder sections positionable in several different ladder use positions, wherein intermeshable teeth elements can be cam locked selectively into such positions, and...
5267632 Folding deer stand apparatus  
An apparatus including a plurality of sections arranged for interfolding relative to one another having a platform at an upper end of the sections and a support base at a lower end of the sections...
5253732 Portable folding tree stand  
A pole ladder folding deer stand is formed by upper and lower tubular sections hingedly joined in aligned relation and provided with vertically staggered steps for ascending and descending the pole...
5242030 Deer stand  
A hunting stand for use as an elevated observation platform and a game carrier. The stand is easily foldable in the form of a back pack and is convertible into a carrier to facilitate in the...
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...
5163532 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...
5111906 Retractable ladder apparatus  
A retractable ladder apparatus (30) for access between a lower and an upper floor is provided. A ladder (60) is moved by moving means, which may be a garage door opener (40), between a position of...
5064020 Device for hunting large and small game  
A hunting device that is selectively convertible between a tree stand position and a reclined sitting position, thus providing a single apparatus for hunting both large and small game. The...
5050706 Ceiling ladder  
A foldable ladder having a plurality of sections which align during use to form a continuous ladder and which are foldable upon themselves for storage in a ceiling frame. The ladder includes hinges...
5026198 Lockable folding joint for foldaway ladder  
In a lockable folding joint of a ladder having two arms with their flat heads pivoted to one another, a detent block used to engage one of spaced notches of one of the flat heads is held...
5024292 Portable ladder assembly for truck trailers  
A portable ladder assembly adapted to be removably mounted in the space between a body and a rail spaced therefrom, e.g. between the body of a conventional truck trailer and tie down rail. The...
5022491 Collapsible fire escape ladder  
A collapsible fire escape ladder. A plurality of folding ladder sections are retained in the folded position by a retractable ladder retention means that slidably engages retention posts fixedly...
5022118 Ladder joint with engagement spring member  
A ladder joint with an engagement spring member on it for locking/unlocking the ladder joint into position. The ladder joint has a fixed member and a movable member. The movable member has a...
Matches 1 - 50 out of 305 1 2 3 4 5 6 7 >