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5131494 |
Effective riser reducer step device
An effective riser reducer step device is provided, which consists of a mechanism placed upon a tread of a step of a staircase for reducing the height of a riser of the step. Another mechanism is...
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5125476 |
Ladder apparatus and hinge system therefor
A ladder apparatus comprising a longitudinally elongated step support for mounting between an upper level and a lower level at a forward angle of inclination. The elongated support has an upper end...
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5103934 |
Method and apparatus for providing a fire escape for a multi-story building
An emergency escape system for multistory buildings in which stair units are stored in recesses in the floor of each above grade level of the building. The stair units are released for gravity...
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5085291 |
Safety ladder
A safety ladder comprises a pair of spaced-apart parallel main support rails which typically extend between the ground and the side of a building. The steps of the ladder are connected between a...
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5084919 |
Swimming pool ladder guard
An L-shaped swimming pool ladder guard having hooks for attachment to a swimming pool ladder to prevent an automatic pool cleaner from being entangled between the ladder and the pool wall.
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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...
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5065840 |
Swimming pool safety ladder
A swimming pool safety ladder is described in which the individual steps employed are enclosed along both their side edges and along their back edge so as to prevent the accidental catching of...
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5065837 |
Handrail for aiding visually handicapped
An improved handrail is provided to aid a visually handicapped person in moving up and down stairs. The handrail extends along the stairs. Indicia on the handrail identifies the steps along which...
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5044465 |
Retractable walk-in swimming pool ladder
A retractable walk-in swimming pool ladder includes a platform having side frames secured thereto. A plurality of steps extended between and are secured to the side frames. A first pair of rollers...
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5033582 |
Retractable ladder assembly
Ladder assemblies are needed on large vehicles for an operator to ascend to the cab of a vehicle. The ladder assembly should be moveable between a lowered position for easy access and a raised...
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5024293 |
Emergency ladder equipment
The present invention discloses an emergency ladder equipment. Such an emergency ladder equimpment is mounted on the outside wall of the top floor of buildings. The emergency ladder equipment...
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4998298 |
Kneeling aid and method of use
A portable kneeling aid for use by a human male while urinating into a conventional flush-type toilet bowl with upper rim from a kneeling position comprising a portable platform having a top...
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4997061 |
Ladder assembly, particularly for use with swimming pools
An A-frame ladder comprises two side rail assemblies and a platform guard rail assembly each provided in their rail members with elongate oval apertures defining handholds or hand grips. Steps of...
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4991808 |
Movable utility bracket for ladders
A sleeve fits securely over a ladder rail with attached hooks over at least two rungs of the ladder. Interchangeable hook components may be rounded recessed hooks for extension-type ladders or flat...
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4991691 |
Stair barrier
A portable stair barrier intended to prevent very young children from climbing up a stairway is formed by a ramp having support members adapted for rest on the stairway, wherein the ramp bridges...
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4979590 |
Ladder platform
A ladder platform for step ladder, ladder or extension ladder. The platform has two tray positions which hinge relative to one another and are movable between a storage position and a work...
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4881619 |
Device for barring access to the top of a vertical tubular duct
Access to the top of a caged ladder (2, 3) is barred by the device of the invention which comprises a door panel (6) and a closure member (10) both hinged about respective vertical axes (7b, 12),...
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4860855 |
Collapsible safety attachment for ladder
An improved safety attachment for a ladder in which the attachment is collapsible to render it more compact for storing and handling purposes yet the attachment can be readily expanded for use on a...
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4852690 |
Aerial ladder tower with pretensioned truss members
In a ladder tower having multiple telescoping sections, each section includes a pair of longitudinally extending, laterally spaced apart truss members and a plurality of longitudinally spaced...
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4848517 |
Tank safety ladder
A safety ladder particularly suited for permitting access to the top of a tank having a convex exterior surface is provided. The ladder is designed to provide a safe vertical path between the...
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4848515 |
Portable swimming pool step device
A portable, foldable swimming pool step device includes a pair of sectional stiles interconnected by transverse steps and provided with sectional handrail structures. The stiles, steps, and...
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4844199 |
Stair climbing aid
A device for helping a handicapped person move up and down a flight of stairs. The device includes a base having a pair of vertically spaced platforms which define intermediate steps between the...
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4823910 |
Boat platform ladder
A boat platform ladder attaches at one end to the stern of a vessel and can be raised and lowered between stored and in use positions. A ladder is rotatably mounted to the opposite end of the...
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4823524 |
Apparatus for aiding people in walking up and down stairs
Apparatus for aiding a person in walking up andn down a staircase which has at least one railing running alongside. The apparatus includes a series of structures which are affixed to the at least...
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4798262 |
Tripodal support
This invention relates to tripodal support structures and more particularly to a three-legged folding step-ladder having outrigger-type support extensions on the two front support legs, a rear...
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4770272 |
Safety attachment for ladder
A safety attachment for a ladder to permit the user of the attachment, when it is on the ladder, to be locked onto the ladder so that the user will be more positively connected to the ladder. The...
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4768618 |
Boat ladder devices with step standoff feature
A ladder device for a boat has a mount unit and a separate step unit that may be moved between a use position with a step thereof immersed in the water in which the boat floats and a storage...
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4729453 |
Portable safety post
A safety post assembly for assisting entry to or exit from the upper portion of a wall having mounted thereon a series of rungs forming a ladder, the assembly comprising a tubular support sleeve;...
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4723631 |
Foldable ladder
A ladder made of a rectangular main frame, spaced parallel rods interconnecting the two long side legs of the ladder, and step panels each pivotally mounted at its front corners to one rod for...
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4711282 |
Portable and collapsible stair
A portable and collapsible stair which provides support platforms that are spaced laterally and vertically from one another at approximately a one-to-one slope, thus enabling a person to ascend or...
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4688768 |
Extendable railing
An extendable railing for use in stairwells, hallways and the like. The railing comprises an elongated moveable member nonrotatably but slidably mounted inside an elongated fixed, hollow member....
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4679657 |
Mobile tank vehicle access system
An elevated platform is provided including one longitudinal marginal portion alongside which an elongated tank body of a vehicle may be disposed. The marginal portion of the platform pivotally...
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4669574 |
Foldable staircases for vehicles
The present invention has as an object a foldable staircase for vehicles, for examples in airplane, which, once folded, is housed in a compartment provided in the fuselage. This staircase...
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4664224 |
Life-escaping steel cable ladder for high-building use
The present disclosure is directed to a retractable and flexible steel cable ladder device adopted for descending people from a high building in fire accident, which can be emergently mounted on...
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4664227 |
Portable balustrade and platform assembly
A portable balustrade and platform assembly for a structure, such as a recreational vehicle, is provided for stabilizing and assisting a person entering and exiting the structure via a door...
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4664225 |
Device for preventing access to ladders
A panel (6) has a flap (9) for closing a person-passing opening (4') (e.g. leading into a ladder cage (4)) and is pivotally mounted to one of the risers of the ladder (1). A locking element (10)...
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4648481 |
Multipurpose aluminum folding ladder equipped with a detachable stand-on board and supporting handrails
The present disclosure is related to a multi-purpose aluminum folding ladder having a detachable stand-on board and a pair of supporting handrails mounted thereto when used as a stepladder, and...
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4643274 |
Ladder stand-off device with safety harness
A ladder stand-off device for supporting the upper end of a ladder in spaced relationship with a wall against which the ladder is leaned. The stand-off device includes a wall engaging brace which...
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4620611 |
Safety rail means for ladders
A ladder comprises a ladder portion having stiles and rungs, a platform at the upper end of the ladder portion, support stays hinged to the rear end of the platform, and a safety rail also hinged...
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4603758 |
Ladder construction
A ladder consisting of a pair of spaced rails, a plurality of rungs having opposite end portions with first holes extending therethrough for receiving the rails in complementary mating...
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4579197 |
Ladder shield
A ladder shield for use in preventing toddlers and the like from climbing the steps of a ladder, such as an above-ground swimming pool ladder, when the ladder or the device to which the ladder is...
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4574937 |
Guide and hand rail with latch
A multi-positionable rail for the conveyor of an aircraft belt loader having a rail supported by a plurality of parallel posts pivoted to the side wall of the conveyor and to the rail and...
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4574916 |
Step to safety
A safety step fire escape is provided and consists of a plurality of steps mounted in a vertical spaced relationship to an outside wall of a building adjacent windows of the building. The last step...
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4571895 |
Telescoping seating assembly
A telescoping seating system with a plurality of elongated rows movable between a forward extended use position in which the rows are in stepped relation and a rearward retracted storage position...
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4560127 |
Paint caddy
A device for removably mounting a paint can from either side rail of a ladder comprises a support assembly including a channel-shaped section having a central portion with first and second side...
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4548293 |
Bin ladder construction
A bin ladder construction includes a vertical ladder up the side of a grain storage bin and an inclined ladder from the upper end of the vertical ladder to the peak of the roof of the grain storage...
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4546855 |
Safety extension for a fixed ladder with an adjustable mount
A safety extension is adapted to be mounted by various adjustable means to the upper rungs of a ladder or the inside of a manhole. The safety extension comprises a rod which is moveable in a sleeve...
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4535871 |
Unitary stairway
A stair or ladder which has a central stringer adapted for mounting between an upper level and a lower level at a relatively steep angle of inclination, and a plurality of tread members disposed in...
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4530419 |
Combined standing and body support for a person
A combined standing and body support for a person working in elevated position and leaning over the work. A base frame provides a support for an upstanding super structure which carries both...
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4524848 |
Device for deterring unauthorized climbing of permanent ladders
A climbing deterrence device is attached to a vertical ladder leading to a water tank or the like. The device is configured to prevent unauthorized people from climbing the ladder and obtaining...
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