Matches 1 - 50 out of 60 1 2 >
Match Document Document Title
6145618 Ladder system and method of climbing having a rail with a non-linear slot  
A ladder system comprises first and second rails with at least one rung connected between and perpendicular to both rails. First and second non-linear rail slots are located adjacent the bottom of...
5908085 Ladder leveling accessory system  
A ladder leveling accessory system for leveling a ladder on sloped, uneven, or rough surfaces includes a pair of leg extensions held to the rails of the ladder by two sets of bands coupled to the...
5845744 Ladder levelling device  
A ladder levelling device includes a housing, a telescopic member and a lever. The lever is positioned within an interior cavity of the telescopic member. The lever has a mounting end and a...
5788204 Pump jack base  
A pump jack base (10) for a pole (12) of a pump jack scaffold (14) comprising a base plate (16). A facility (18) is for securing the base plate (16) to a generally flat support surface (20). A...
5718306 Ladder leveling device  
A ladder leveling device is provided with an integrally formed tubular guide, a locking mechanism, a support shaft and a pivot foot. The tubular guide is attached to a ladder through its base...
5715908 Ladder extension  
A safety extension attached to the two ladder stiles and extending outwardly therefrom. Each extension is attached at two spaced locations along a ladder stile and terminates outwardly and...
5704451 Ladder stabilizing system  
A ladder stabilizing system including a pair of mounting assemblies coupled to a lower end of a ladder. Further provided are a pair of stabilizing mechanisms slidably engaged with respect to the...
5678656 Positive engaging ladder stabilizing and leveling device  
The present invention provides a ladder stabilizing and leveling device (21) that includes an outer housing (41) substantially fixed with respect to a ladder rail (29), and an inner housing (41)...
5669462 Ladder leveling apparatus  
An improved level ladder and safety device (10) for a ladder (12) of the type having a pair of side rails (14) with a plurality of connecting rungs (16). The device (10) comprises a pair of slider...
5551529 Ladder stabilizer  
A device for stabilizing an aluminum or fiberglass type ladder on a level or uneven surface comprises a pair of frames that attach to either side of the ladder by means of rods inserted through the...
5522473 Ladder stabilizing device  
A ladder stabilizing device for attached to the lower end of a ladder rail. The device is incrementally adjustable to compensate for irregularities in a ladder supporting surface and has a support...
5497850 Apparatus for leveling a ladder  
An apparatus and method of leveling a ladder, having hollow side rails, on an uneven surfaces using at least one leveling device. Support members, support holes and securing bolts maintain the...
5464071 Ladder leveling device  
A new and improved ladder leveling device comprising a gear box having a plurality of gears coupled to an interior of the gear box on shafts. The shaft of a lowest gear extends outwardly of the...
5462133 Step ladder stabilizer  
A stepladder stabilizer comprising a telescopically adjustable leg having an upper end and a lower end; a coupling mechanism for coupling the upper end of the leg to a stepladder and allowing the...
5421429 Ladder with safety feet  
A ladder having legs having lower ends, has a safety foot pivotally connected to each lower end. Each safety foot has a hinge having two plates one of which is secured to the ladder foot and the...
5370203 Ladder shoe spur plate  
A ladder shoe that comprises a ladder rail attachment portion which attaches to a ladder rail of a ladder. The ladder shoe is also comprised of a base. The base comprises an elongate portion having...
5361868 Step ladder boot kit  
A stabilizer system for a step ladder which comprises a set of four rigid boots adapted to be mounted one on each leg of the ladder. The boots each have a large flat plate forming the support base...
5339921 Ladder leveling device  
A ladder leveling device used in conjunction with a ladder on sloping ground or roof surfaces. This device may be adjusted to the slope of the ground or roof and is placed under one or both legs of...
5325936 Ladder leveler  
A ladder leveler device to level and stabilize a ladder on an uneven surface, comprising a generally rectangular shaped base plate having a plurality of threaded holes located on each wide end, a...
5307900 Ladder leg extension apparatus  
A ladder extension leg apparatus is provided, wherein at least one of the first and second ladder legs includes a leg sleeve receiving the ladder leg to permit telescoping reception of the ladder...
5305851 Safety ladder  
The present invention provides a safety ladder in which at least one leg of the ladder is adjustable in length to accommodate an uneven terrain.
5222575 Ladder leveling and stabilizing extension and foot  
For enhancing the safety of a ladder, adjustable extensions (14) can be attached to the bottom ends of the side rails of the ladder so as effectively to adjust the lengths of such rails so that the...
5180032 Ladder stabilizer apparatus  
An apparatus for securing and stabilizing a ladder and extension ladder structure relative to a dwelling is provided, wherein the apparatus initially includes a plurality of arcuate arms mounted...
5154255 Ladder shoe and method of use  
A ladder shoe for providing enhanced stability between a ladder and a variety of surfaces. The ladder shoe is comprised of a shoe body having a first side plate, a second side plate and a base. The...
5148892 Quick stand adjusting device  
A quick stand adjusting device for adjusting the height of the stand of a ladder, a chair, an instrument or equipment, comprising a split retainer controlled by a control device, which is comprised...
5121814 Adjustable ladder stand-off brace for corner walls  
A stand-off brace for attachment to the top end of a ladder maintains the top end of the ladder away from the work surface against which it would ordinarily rest. The brace has a general U-shape...
5107958 Ladder leveler  
A Johnson Ladder Leveler serving to level a ladder on an uneven surface comprising an extension leg held by a bolt nut apparatus to a treaded triangular foot which said extension leg extends...
5064024 Ladder leg extender apparatus with improved vertical adjustment means  
A ladder leg extender apparatus for attachment to the leg of a ladder to lengthen the leg as required to support the ladder on an uneven support surface. The apparatus comprises a sleeve secured to...
5027923 Extension device for a ladder  
An attachment for a ladder includes a housing and an extensible leg. The housing is clamped to the side of a ladder, and the extensible leg is extended to engage the ground after the ladder has...
4984655 Ladder adjustment apparatus  
A ladder adjustment apparatus (10) which is designed to be secured to the rungs (101) of a ladder (100) whereby the apparatus (10) may be laterally shifted on the rungs (101) to position the...
4899849 Ladder stabilizer  
Stabilizer apparatus for attachment to an extension ladder for inhibiting sideways tipping and downward/rearward slipping thereof. Attached to the opposed side rails of the ladder proximate the...
4852689 Ladder leveling accessory  
A leveling device for a ladder which includes a pair of rails, hollow rungs spanning the rails, and foot members pivotally attached to lower portions of the rails. A channel shaped leveling...
4846305 Apparatus for rotatably positioning a ladder within a stairway  
An apparatus 10 provides easy, stable positioning of a ladder within a stairwell. The apparatus 10 includes multiple base portions 14, 24 which traverse and rest upon multiple steps 20, 28....
4826122 Adjustable base bracket for pitched roof scaffolding post  
A bracket forms the base for a scaffolding post and includes a rectangular receiving box with an open top face for receiving and holding a vertically extending scaffolding post. The receiving box...
4766976 Ladder leg extender and leveler  
An improved ladder leg extender and leveler assembly including a frame structure which can be fixed in flush face-to-face relation to a ladder leg side so as to straddle rung fastener protrusions...
4754842 Ladder safety device  
An anti-slip attachment for each side rail of a ladder, designed to keep the ladder a predetermined distance away from a side wall of a building, has a bevelled end that allows a backing plate...
4744441 Screw-type ladder leveler  
A device for leveling a metal ladder comprising a mounting bracket which can be attached to the outside web of a ladder side rail, a threaded shaft embodied with a handle at its upper distal end...
4683983 Ladder leveling apparatus  
Ladder leveling apparatus includes a frame portion, a support portion, a slider portion, a retainer portion and a positioner portion. The frame portion includes an elongated U-shaped section, the...
4683982 Ladder leveler apparatus  
Ladder leveler apparatus includes a frame portion, a support portion, an affixing portion, an aligning portion and a positioning portion. The frame portion includes an elongated U-shaped section,...
4671383 Ladder leveller  
A ladder leveller includes an adjustable base having two adaptors suitable for receiving the ladder feet and a pair of telescopic legs respectively fixed under the two adaptors, wherein both the...
4632220 Safety ladder  
Ladder to the lower section of which are fitted two outriggers extending outwardly and forwardly for the purpose of enhancing the safety of the ladder in use. Each outrigger has a foot and is...
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...
4554994 Ladder safety indicator  
In order to indicate whether a straight or extension ladder is positioned safely for use, a first label is provided on the side rail of the ladder and includes a level for indicating when the...
4423797 Ladder leveling device  
A device for leveling a ladder is disclosed which comprises a leveler guide with a hollow section which is secured to the lower portion of the ladder, a leveler leg which is sized and shaped to fit...
4415062 Ladder foot  
A ladder foot (20) comprises (a) a bracket means (25) attachable at its upper end to a ladder rail (11) and including a stud (35) extending downward from such end, (b) a shoe (60) including a...
4243122 Ladders leveling device  
The present invention provides a base device for attachment to a ladder comprising a base, a top pivotally mounted on the base, ladder receiving means on the top of securably and releasably...
4066145 Compact saw horse  
Top, bottom and a pair of side panel type members are affixed to each other at their ends to form a rectangular configuration. A pair of foot members are pivotally affixed to the bottom member in...
4039047 Ladders incorporating retractable ground spikes  
The safety of ladders is improved by providing them with pivoted foot members that carry ground spikes that rest against the foot member when not in use and rotate for ground penetration into a...
3858684 TELESCOPING LADDER  
A telescoping ladder having a lower section with the rungs fixedly secured to the side rails. Additional side rails telescope into the side rails of the lower section and can be telescoped out of...
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...
Matches 1 - 50 out of 60 1 2 >