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4586585 |
Longitudinally extensible stringer and stairway
My invention relates to an extensible stairway capable of being shipped in a knockdown condition and erected with a minimum of labor and without special tools. The stairway has a pair of stair step...
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4580661 |
Gutter protector
A gutter protection device for preventing damage to an eaves-mounted gutter against which a ladder is leaned. A polyethylene foam block forms the body of the device. A semi-circular recess in one...
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4572330 |
Ladder for boarding small boats
A boat ladder for boarding an inflatable pontoon boat, dinghy or similar small craft of the type having opposed generally parallel gunwales. The ladder has two generally parallel ladder supports,...
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4548294 |
Ladder for a boat and method of fabrication
A removable ladder for placement over the side of a boat and extension into water for aiding ingress and egress of swimmers and the like is disclosed and includes a pair of elongated, generally...
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4538314 |
Boarding ramp
A removable and adjustable ramp for aiding an animal or human into a small boat from water in which the boat is floating comprising an inclined planar member removably attached to the vertical wall...
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4531613 |
Firefighter's ladder
A ladder for firefighters having spread apart upper rails to provide clearance and a working space for them to chop an opening in the roof of a burning house to enable smoke to escape and otherwise...
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4531612 |
Escape ladder
The invention relates to a portable emergency fire escape ladder comprising a large double hook adapted to fit over a window ledge, tubular steps suspended by means of galvanized steel cables, the...
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4483416 |
Height adjustable roof engaging attachment for ladders
A ladder including upstanding opposite side rails and vertically spaced rungs extending and mounted between the side rails is provided. A pair of screw shafts extend along and are journalled from...
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4482029 |
Truck ladder
A ladder for a truck box comprising a bracket assembly adapted to be placed over the upper edge of the truck box having a ladder assembly pivotally secured at its upper end to the bracket assembly...
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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...
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4469195 |
Ladder safety attachment
The safety attachment includes a flat strap base member and a clamp thereon to detachably mount it on the top rung of a ladder. A pair of curved horns are pivoted on the ends of the base member,...
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4467890 |
Ladders
A ladder is provided with an attaching device at its top end whereby it can be quickly and securely attached to a vertical pole, tree-trunk or the like. The attaching device comprises a pair of...
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4458783 |
Roof ladder attachment
A ladder attachment consisting of two triangular plates with holes and connecting rods. When connected through the rungs of a conventional extension ladder it forms a frame on the outsides of the...
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4450937 |
Theft prevention step ladder
A step ladder for detachably mounting in a locked arrangement along the length of the permanent ladder of a recreational vehicle for preventing thieves from climbing to the top of the recreational...
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4444291 |
Ladder accessory
A fitting for a ladder including a pair of brackets releasably attached to the ladder legs and including a pair of downwardly directed hook portions and associated parts that are sized to be seated...
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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...
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4412677 |
Portable exercise apparatus
A portable chinning apparatus comprising a horizontal chinning bar interconnecting two posts of adjustable length. The posts are suspended from a pair of inverted U-shape brackets which fit snugly...
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4412599 |
Ladder attachment
A ladder attachment for securement to a ladder leg which can function as a ladder standoff, ladder leg extension or roof ridge hook. The ladder standoff arrangement permits the ladder to be...
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4401184 |
Roof skid
A roof skid including a floor supported above the ridge of a roof and resting thereon, with edge support devices extending from the frame and interlocking at chosen positions on a foot member...
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4397375 |
Ladder positioning and holding structure
A clamping member and a holding member adapted to be positioned on opposite sides of a ladder adjacent the top thereof extending in a direction perpendicular to the ladder and clamping means for...
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4388983 |
Lightweight ladder
A lightweight ladder includes a vertical member of flat sided tubing, rungs formed of angle metal, and ladder feet adapted to engage retaining clips mounted on a vertical structure. The ladder feed...
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4379498 |
Safety device for ladders
A safety device for ladders to prevent slippage when placed against a tree or pole is disclosed. Means for gripping the tree is connected to a holding member A and lies generally perpendicular to...
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4365689 |
Tilting marine ladder
A tiltable, portable, pivotable marine type ladder which is horizontally oriented in its normal position and tiltable to a vertical position by the application of an initial force in the vertical...
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4363378 |
Ladder securing devices and ladder assembly
A ladder securing device which comprises two connectors for attachment to the runners of a ladder. One of the connectors includes a first rotatable element on which is mounted a second rotatable...
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4311209 |
Stepladders
A step-ladder is provided with one or more hooks on one or both of the ladder's stanchions, with the hooks adapted to engage with corresponding horizontal, standing, or inclined members carried by...
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4311207 |
Ladder attachment
A ladder attachment including an adjustable frame assembly detachably connected to the end of a section of a conventional extension ladder, the frame assembly cooperating with the side rails of the...
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4279327 |
Ventilating ladder
This invention relates to a device for attachment to ladders which will enable them to securely anchor to the peak of a roof quickly and easily, while increasing safety for firemen cutting...
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4276957 |
Portable scaffold assembly with movable anchor
An improvement in portable scaffold assemblies which enables a scaffold to be securely hung upon a vertical portion of the building, without the need for permanent anchoring means, either on the...
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4265333 |
Portable fence stile
A portable fence stile comprises in combination: (a) a U-shaped metal tubing of a sufficient strength to support a man and adapted to have the legs thereof placed over a fence in a generally...
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4257492 |
Bunk ladder anchor
An anchor is provided for securing the upper extremity of a bunk ladder to an elevated support. A bracket is attached to the upper extremity of the ladder and has a configured hook extending...
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4257490 |
Portable observation stand
A portable observation stand mountable to a tree. A ladder includes a plurality of tubular sections pivotally interconnected. A platform pivotally mounted to the top of the ladder is abuttable...
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4243121 |
Web ladder release mechanism
There is provided the combination of a frame and a collapsible ladder. The frame defines two spaced-apart horizontal passages in which catch elements are mounted. Resilient means urge the catch...
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4232761 |
Extensible ladder
A portable, extensible ladder is disclosed of the type having a plurality of sections sliding into each other. The normally uppermost section is provided with hook for suspending the ladder from a...
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4231448 |
Demountable boat ladder
A ladder intended for use in boarding small boats has side rails and treads interconnected by integral and precut joint elements designed for ready connection and disconnection. The connected...
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4231449 |
Foldable ladder
A foldable ladder having a plurality of rigid steps and of rigid links which steps and links are pivotally secured together with pivot pins to result in a rigid ladder in use, but capable of being...
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4199041 |
Bunk bed-ladder arrangement
A bunk bed-ladder arrangement wherein the upper end of the ladder is equipped with C-shaped hook members which straddle the bunk bed rail, the hook members having aligned openings for insertion of...
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4193476 |
Link ladder
A multi-purpose, lightweight, portable ladder comprising a plurality of link elements pivotally secured together in end-to-end relation, each link being of a substantially A-shaped configuration...
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4193146 |
Bunk bed ladder bracket
A bracket for mounting a bunk bed ladder from the bed rail of an upper bunk bed which engages both the top and inner bottom edge of the bed rail to prevent the bunk bed ladder from being...
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4186820 |
Boarding ladder and straps
The present invention relates generally to a boarding ladder for use in conjunction with an inflatable boat having an inflated side pontoon and specifically, to an improved boarding ladder...
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4184569 |
Ladder standoff and ridge pole hook
A simple device comprising members such as a pair of identical tubes or bars fastenable anywhere along the rails or stiles of a ladder by U-bolts passing through diametric bores is provided. The...
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4179011 |
Roofing ladder and braces therefor
A ladder having an upper end brace attached to the upper end of the ladder, the upper end brace incorporating leg means adapted to extend over the ridge of the roof, and engage the pitch of the...
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4164991 |
Fire escape device
A fire escape device has a box with a back panel secured to side panels and to two bottom end panels. A bottom central panel lies between the bottom end panels and is hinged to the back panel. A...
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4164269 |
Safety bracket for securing ladder in place
A safety bracket for securing a ladder in place against a building structure, the bracket having two extending arm members interconnected in crossing relation intermediate the respective ends...
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4157131 |
Boat boarding ladder
A boat boarding ladder for engagement to the gunwale of a boat includes a U-shaped frame having upstanding legs attached at one end by a bottom rung. A U-shaped support member is pivotally attached...
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4157130 |
Fire ladder and method of constructing same
A fire ladder includes as opposite sides a pair of elongate flexible cables in the form of interwoven strands of wire. Hollow tubes flattened and scored on their upper surfaces extend rigidly...
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4146114 |
Manhole shield ladder
This invention relates to a specialized ladder for use with a ring-like shield bordering the entryway into a manhole, said ladder being characterized by hook-forming subassemblies depending from...
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4143741 |
Portable escape ladder
A portable escape ladder comprises a bracket for gripping over a building window ledge, a pair of chains suspended from the bracket and supporting a series of spaced transverse rungs therebetween...
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4143743 |
Eaves ladder grip
A bracket including a clamp for removable clamped engagement with a ladder is provided for support from an upstanding inclined ladder and includes a rigid support arm projecting horizontally...
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4135605 |
Welding ladder with folding and sliding rungs
The present invention provides a portable light-weight ladder for use in connection with welding metal plates together positioned in an upright or vertical position comprising a main frame portion...
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4090587 |
Ladder lock
A limb attaching lock formed in a manner of a hoop comprising two semicircular segments pivotally attached at one end thereof to a floating center bracket. The semicircular hoop segments are...
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