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4089390 |
Ladder hook assembly and ladder
The hook assembly includes a hook which passes through a hollow top rung of the ladder and an enclosed locking assembly which secures the hook to the rung for selective rotation between a storage...
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4086979 |
Scaffold ladder adapter
A scaffold having a plurality of vertically spaced horizontal bars, a ladder having horizontal rungs and horizontally spaced vertical uprights, and a scaffold ladder adapter positioning the ladder...
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4060150 |
Ladder kit
A ladder kit comprises a plurality of parts from which a ladder may be constructed. The parts of the kit may be selected and assembled in a number of ways, resulting in various types of ladder...
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4057125 |
Bumper-mounted truck servicing platform
A service platform for removable mounting on a vehicle bumper includes a generally planar platform member with means for engaging the bumper for supporting and locking the platform thereto in a...
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4018301 |
Clamp type ladder wall engaging bracket
A support arm structure for the upper end of a ladder is provided and includes mounting structure for mounting one end of the support arm structure on the upper end of the ladder for swinging of...
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D243854 |
Boat steps
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4002223 |
Telescoping collapsible ladder
A ladder is disclosed which includes telescoping sections that collapse and extend for adjusting the length of the ladder. The ladder is particularly useful on boats and may have curved upper ends...
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D242925 |
Folding ladder
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3995714 |
Multi-section ladder for scaling poles
A portable, light-weight, multi-section step ladder for scaling poles and formed by a main or top section followed by a train of extension sections. Each section includes a single vertical spar and...
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3948353 |
Extension ladder
An extension ladder in which the extension part has a plurality of striated cut-out portions along the leaning edge to serve as hooks for hooking onto a gutter or top edge of a sidewall or roof of...
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3946834 |
Self storing fire escape ladder
A self storing fire escape ladder of foldable type, including a plurality of pivotally interconnected rung sections and enlarged hook means for engaging a window sill or similar structure during...
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3944024 |
Ladder
A ladder is made from extruded aluminum steps supported on a pair of vertical tubes fitted through large diameter holes drilled vertically through the steps. The steps are hollow except for a pair...
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3910380 |
Ladder with clamp equipped wall engaging bracket
A support arm structure for the upper end of a ladder is provided and includes mounting structure for mounting one end of the support arm structure on the upper end of a ladder for swinging of the...
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3907064 |
Extendable escape ladder
The object of the invention is a ladder with flexible side members and rungs or steps extended between them. It is extendable as a result of the side members being at their upper ends provided with...
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3896900 |
Ladder attachment
A ladder attachment adapted to be connected to the end of a ladder for the purpose of securing a ladder around a pole-like member. The ladder attachment includes a two part rod-like structure...
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3891053 |
Dog ladder for boats
Presented is a ladder adapted to be mounted on a boat to facilitate a dog climbing into the boat from the water.
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3887034 |
Portable pipe clamp
A flexible conduit clamp that can be hooked onto the rear rungs of a step ladder for use in clamping fast section of flexible conduit. Two rectangular right-angle sections act as the vise jaws to...
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3869742 |
LADDER AND MOUNTING FOR SMALL BOATS
A single shaft ladder for use particularly by SCUBA divers in boarding small boats and a mounting bracket for mounting the ladder in angularly inclined relationship to the transom of a small boat...
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3858683 |
BOARDING LADDER
A boarding ladder for a boat. The boarding ladder has side members that terminate at the top ends in hooks for extending over the top edge of the side of a boat. The side members extend through...
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3858905 |
DEMOUNTABLE SAFETY LADDER WITH HAND RAIL
The demountable stairs comprise stairs, hook assemblies fastened on bars issuing forwardly from the uppermost terminal end of the stairs, each of the hook assemblies comprising a lug fastened to...
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3853202 |
LADDER SUPPORTING DEVICE
A safety device for use with ladders which are leaned at an angle to the wall of a house or the like, with their upper ends resting against a relatively narrow, horizontally extending surface, such...
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3834492 |
PORTABLE FIRE ESCAPE LADDER
A portable fire escape ladder provides a window sill bracket with chains depending therefrom and a plurality of tubular rungs secured to the chains at spaced intervals therealong.
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3828889 |
MULTIPLE ACCESSORY ATTACHMENT FOR LADDERS
Top end caps are fixed to side rails of a ladder, each end cap having a pair of linearly aligned longitudinal slots therein, each slot having a closed upper end and an enlarged entrance at its...
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3804200 |
BOTTOM STEP UNIT FOR BOAT LADDERS
A step unit adapted to be pivotally mounted at the lower end of a boat ladder, such that the step will automatically swing to a position out of the water during normal boat travel, and can be...
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3792750 |
SAFETY DEVICE FOR LADDERS
A safety device for use with a ladder having a pair of laterally spaced rails and a plurality of rungs extending between and spaced along the rails with opposed bores spaced along said rails in the...
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3780829 |
LADDER FOR EVACUATING PERSONS FROM CHAIR AERIAL CABLE LIFTS
A ladder for evacuating persons from chair aerial cable lifts comprising, a rigid ladder, an elongate hook support member, means for securing the lower end of the hook support member to at least...
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3727724 |
FIRE ESCAPE LADDER
An improved fire escape ladder of a type adapted to be engaged with a window sill by straddling a lower edge thereof. The straddling means includes provision for adjustment in relation to the...
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3696888 |
COMBINATION PORTABLE FIRE ESCAPE AND WARDROBE SUPPORT
A rigid ladder section is equipped with hooks and rod attachment for hanging over the outside a window sill. One rung of the ladder section is rotatable and carries a rolled up rope or rope ladder...
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3630314 |
PORTABLE HUNTING STAND
A lightweight, portable hunting stand including two or more ladderlike sections and an upper curved platform section upon which the hunter sits. The lower section rests upon the ground and the...
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3618702 |
LADDER SYSTEM FOR INSTALLATION IN MANHOLES
An improved ladder system provides individual ladder sections that can be installed in a manhole made up of individual casing sections. The ladder sections include anchoring elements so that they...
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3612470 |
WALL FORM
The forms disclosed herein are intended for use in making porch foundations. The form is especially suitable for use with precast wall design. The forms are made up of two generally right...
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3603431 |
LADDER AND SUPPORT BRACKET THEREFOR
A support arm for a ladder including mounting structure on one end of the arm rotatable relative to the latter about an axis extending transversely of the arm. The mounting structure is adapted for...
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3590951 |
HOOK ASSEMBLY FOR LADDER
A retractable hook assembly for a ladder includes a bracket secured to the ladder side rail and a hook extending through the bracket. The hook is free to move, linearly and pivotally, relative to...
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3590952 |
BOAT LADDER
A standoff boat ladder apparatus for boarding a boat, or the like, has a pair of spaced rails, each rail having both ends curved whereby one end may be hooked over the gunnell of a boat, to hold...
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3590950 |
PORTABLE STEP FOR VEHICLE MAINTENANCE AND REPAIR
A portable step includes a platform hingedly secured to a frame which mounts on a tire of a vehicle to provide a standing surface for a mechanic servicing the vehicle. The frame includes a...
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3557906 |
BED LADDER ARRANGEMENT
A ladder arrangement for a bunk bed having an angle iron frame, the ladder having a stabilized hook of specified geometry so that disengagement of the ladder hook from the bed rail can only be...
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3512608 |
LADDER STRUCTURE
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3498410 |
BOAT LADDER
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3491852 |
LADDER SCAFFOLD
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3452838 |
PORTABLE COMBINATION TABLE AND FIRE ESCAPE
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3411166 |
Inflatable boarding ladder and paddle combination
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3407900 |
Pole engaging device for ladders
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3407901 |
Step for campers, mobile homes and the like
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3385399 |
Ladder and hanger frame assembly, and reversibility and portability features therein
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3360075 |
Bed ladder hook
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3336999 |
Hunting stand
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3315762 |
Collapsible ladder
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3307654 |
Emergency fire escape apparatus
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3268196 |
Safety lock for ladders
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3169503 |
Demountable boat ladder
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