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5427344 |
Portable hanging shelf for attachment to vertical objects
A portable hanging shelf system is disclosed wherein one or more shelves are suspended in a horizontal position from generally vertical objects of varying diameter. A non-elastic flexible fabric...
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5388664 |
Portable tree stand
A portable tree stand is provided for use by a person to climb to and descend from an elevated position next to an upright object. The stand comprises a pole, a clamping assembly attached to the...
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5343980 |
Child/parent play ladder
A ladder which makes it possible for one person to climb onto another, particularly, a ladder which can be worn by an adult for the purpose of enabling a child to climb up the ladder and onto the...
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5332063 |
Ladder stand
The invention relates to a ladder stand for an upright columnar member such as a tree, pole or the like. The stand includes a pair of jaws, one of which is remotely moveable so that the platform...
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5277272 |
Manhole ladder
A non-metallic ladder for use in a manhole in which permanent manhole steps have been installed and spaced relation from the top of the manhole to a position above the bottom and there being a pair...
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5255757 |
Collapsible ladder
The present invention provides a portable collapsible ladder that is easily secured onto a vehicle or structure mounted on a vehicle, such as a roof-top rack, to provide ease of access to the upper...
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5203427 |
Fire escape ladder with integral air cushion
A portable fire escape ladder with an inflatable air cushion is provided. The ladder has an upper window sill engaging portion, and a plurality of frame members interconnected with rungs. The air...
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5143174 |
Dismountable ladder
A dismountable ladder for use with transom, swim or dive platforms having a pair of similarly shaped vertical upper side members. The upper end of each upper side member is formed as a U-shaped...
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5121813 |
Ladder accessories
A stabilizing leg for attachment to a ladder for use on uneven surfaces comprises a rigid leg member (3) having a central longitudinal slot (6) through which extend U-bolts (17) for clamping the...
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5113782 |
Boat boarding ladder
A boat boarding ladder telescopically mounts to fishing rod holders fixedly secured within gunnels on either side of a boat. The ladder is of an inverted J-shaped configuration and is comprised of...
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5109954 |
Weight bearing apparatus for hanging on upright structures
An improved apparatus supports weight on an upright structure. The apparatus has a frame with a weight bearing surface and a mechanism attached to the frame that grips the structure to hang the...
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5070963 |
Foldable extension escape ladder bookshelf/table/stool/chest of draws
An improved foldable extension escape ladder is provided and consists of a plurality of ladder segments. A mechanism for oppositely hinging each ladder segment to each other so that when in a...
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5054581 |
Safety device for securing a ladder to an aerial cable
There is provided a clamp for securing a ladder to an aerial cable such as telephone cable. The clamp includes first and second slots for attaching the clamp to adjacent rungs on the ladder. The...
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5003650 |
Bunk bed with ladder
Improvements are provided in a bunk bed which includes a head board having a pair of spaced-apart legs and upper and lower transverse frames, a tail board having a pair of spaced-apart legs and...
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5000288 |
Swimming pool maintenance seat
A device having two C-shaped hooks and a connecting tether enable a person to assume a seated position within a swimming pool while cleaning the waterline zone of the side wall of the pool. The...
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4995476 |
Safety attachments for ladders
A safety attachment for a ladder is disclosed as including an extruded channel fixed to the top of the ladder with a screw shaft having left and right hand threads disposed in the channel, pole...
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4947961 |
Step for attachment to a wheel or bumper
A portable step apparatus for removable connection to the wheel or bumper of a vehicle to provide a stable platform for a person while working in the engine compartment thereof. The step apparatus...
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4946004 |
Pole gripping ladder stabilizing device
This invention relates to a pole gripping assembly for use in stabilizing ladders used to ascend a tree, utility pole or the like. The assembly comprises a yoke member having an arcuate shape which...
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4938312 |
Ladder ridge hook and stand off
A device which may serve as a ridge hook for hooking a ladder unto a ridge of a roof includes two wheels mounted upon arms. A threaded rod extends through the hollow core of a ladder rung to secure...
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D307384 |
Ladder hook
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4913262 |
Mechanical connection element
A mechanical connection element comprising a substantially rigid body having therein a cylindrical through cavity accessible via a channel to the outside of the body. This element (or anything...
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4907674 |
Rescue platform
A deep water rescue platform incorporating a support frame with a pair of hanger arms for engagement with the side of a pool which are telescopingly adjustable with the frame, a pair of wheels...
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4880200 |
Ladder bracket
A ladder bracket for supporting a ladder on buildings during construction work has a pair of parallel side rails connected by transverse struts. Aligned end portions of the side rails are curved...
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4875547 |
Portable conveyor system with telescopic boom assembly and load carrying apparatus
A portable conveyor system comprises an extensible and retractable boom assembly mounted on a transportable stationary support. The boom assembly comprises a plurality of longitudinally spaced...
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4869520 |
Multipurpose hook-on platform
A hook-on adjustable step and cargo platform for vehicles comprised of an upper rectangular load supporting platform member or step, two adjustable triangular support braces, and two readily...
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4867275 |
Escape ladder
An escape ladder for side rails with multilevel dwellings comprising a pair of side rails inverted "J" hooks which are pivotal outward to engage a window sill and inward to fold. The side rails...
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4846306 |
Flexible, narrow rung rope ladder for emergency escape
A flexible narrow rung rope escape ladder including a pair of parallel support ropes and a series of narrow rungs disposed between the support ropes, the support ropes being spaced from each other...
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4844207 |
Tree ladder
A sportsman's ladder for allowing convenient climbing of trees and the like includes a number of sections assembled together in telescoping relationship. Each section has secured thereto a...
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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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4800987 |
Mechanic workstand
A mechanic's work platform for attachment to a front tire of a motor vehicle has an essentially rectangular support frame to be disposed and supported by a front tire of the vehicle. A depending...
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4793437 |
Portable lift with telescopic booms and load-carrying apparatus
Inclined telescopic booms actuated and regulated from the ground with detachable rungs forming a level track between the telescopic booms. A two-stacked load carrier, both stages on crawler type...
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4787478 |
Roof ladder attachment
A ladder attachment consisting of 2 pair of bars with holes, connecting rods, locknuts and washers to an extension ladder it forms a frame on the outsides of the ladder that can be adjustably...
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4768619 |
Fire escape device
A fire escape device for use in escaping from a structure through the screen of a screened-in area comprising in combination an elongate fire escape rope, a screen cutting knife, and a connector...
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4765439 |
Ladder retaining device and method for using same
A device for retaining the upper end of a ladder to a building parapet wall or the like to securely, temporarily hold the ladder. The device is provided with a frame which is temporarily attached...
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4751982 |
Foldable ladder
A foldable ladder having a plurality of rigid steps and inwardly folding arms pivotably secured to the steps so as to be rigid in use by capable of being folded for storage.
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4750587 |
Ladder and method of using ladder for escape
An escape ladder at rest is an elongated cylindrical body divided lengthwise with a plurality of rung devices hingeably attached between rear quadrants and between front quadrants lockable in a...
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4724925 |
Boat boarding ladders
A boarding ladder which may be mounted on a topsides surface of a boat to be swingable between a raised position where all parts of the ladder are above the waterline of the boat and a lowered...
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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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4723632 |
Extension ladder roof support attachment
An extension ladder roof support attachment for a ladder that has side rails is provided and consists of a pair of base arms extending from upper portions of said side rails, a pair of angular arms...
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4722420 |
Special purpose ladder
This ladder is designed to clamp to sign posts for workman safety. Primarily, it consists of a pair of stepped legs with a hinged shelf at the top having a clamp that clamps to a sign post. A...
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4719989 |
Boat boarding ladders having a stowage feature
Improved boat boarding ladders, that may be mounted on a boat in a boarding position wherein they extend into the water and mounted in different stowage position wherein they are clear of the...
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4709783 |
Apparatus for installing escape device for slowly lowering a body
An apparatus for installing an escape slow lowerer stably at an arbitrary place on a building. The apparatus has a ladder body, horizontal rods mounted on the ladder body and vertical rods mounted...
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4694934 |
Portable elevating device
A portable elevating device constructed according to the preferred embodiment of the present invention is shown as including a winch frame for mounting a winch and a harness assembly secured to the...
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4678061 |
Ladder roof brace
The invention disclosed herein comprises a ladder roof brace which includes adjustable means of engaging the rungs of a ladder, means of bearing against both sides of a roof over a ridge and means...
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4662629 |
Exercise device
A door or partition mounted exercise device for exercising muscles of the arms and upper body. The device includes an exercise portion attached to a mounting apparatus. The exercise portion is...
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4643275 |
Safety ladder device
The invention is a climbing device comprising a ladder with a pair of spaced apart upright members for leaning against a structure and a plurality of spaced apart rungs each extending between and...
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4637492 |
Latch mechanism for boat accessories
A latch mechanism for attaching accessories such as boarding ladders, ski tow bars and lights to a small boat. A latch plate is secured to the boat and carries a socket having an internal annular...
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4632219 |
Roof ladder
A ladder attachment is provided for holding a ladder on a sloping roof. Sharp, pointed members or claws are attached to the ladder which, in operation, protrude from the ladder in a direction...
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4616734 |
Roof Scaffolding
A firefighters' roof scaffolding is disclosed which is used by firefighters for standing upon the roof of a burning building in order to make a ventilation hole in the roof for ventilating the...
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4613013 |
Suspension ladder
A suspension ladder comprises a string of identical rigid rectangular sections (1) which are hinged together about a series of parallel axes adjacent their longer rear edges (2), and each of which...
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