WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

E06C　LADDERS (E04F 11/00 takes precedence; step-stools A47C 12/00; adaptation of ladders to use on ships B63B, to use on aircraft B64; scaffolding E04G)

E06C 1/00 Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00)

E06C 1/005 ・{Ladders in use as furniture or ladders in relation to furniture, e.g. in cupboards (step-stools, chairs or benches requiring conversion between the step and seat functions A47C 12/02)}

E06C 1/02 ・with rigid longitudinal member or members

E06C 1/04 ・・Ladders for resting against objects, e.g. walls poles, trees (supports for ladder heads E06C 7/48)

E06C 1/06 ・・・in one piece

E06C 1/08 ・・・multi-part {(E06C 1/32 takes precedence)}

E06C 1/10 ・・・・Sections fitted end to end

E06C 1/12 ・・・・extensible, e.g. telescopic

E06C 1/125 ・・・・・{with tubular longitudinal members nested within each other}

E06C 1/14 ・・Ladders capable of standing by themselves

E06C 1/16 ・・・with {hinged} struts which rest on the ground (with struts rigid with the ladder E06C 1/24; having platforms E06C 1/39)

E06C 1/18 ・・・・with supporting struts formed as ladders {(E06C 1/32 takes precedence)}

E06C 1/20 ・・・・with supporting struts formed as poles {(stabilising struts E06C 7/423)}

E06C 1/22 ・・・・・with extensible, e.g. telescopic, ladder parts or struts

E06C 1/24 ・・・{Non-hinged} free-standing ladders

E06C 1/26 ・・・・in one piece

E06C 1/28 ・・・・multi-part (with movable supporting struts formed as ladders E06C 1/18)

E06C 1/30 ・・・・・extensible, e.g. telescopic

E06C 1/32 ・・Ladders with a strut which is formed as a ladder and can be secured in line with the ladder

E06C 1/34 ・・Ladders attached to structures, such as windows, cornices, poles, or the like ({E06C 9/12 takes precedence}; ladders permanently fastened to buildings E06C 9/00, {e.g. climbing irons E06C 9/04})

E06C 1/345 ・・・{specially adapted to be installed parallel to the roof surface}

E06C 1/36 ・・・Ladders suspendable by hooks or the like {(ladderhooks E06C 7/505)}

E06C 1/38 ・・Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders

E06C 1/381 ・・・{Ladders with rungs or treads attached only to one rigid longitudinal member}

E06C 1/382 ・・・{Tripod ladders}

E06C 1/383 ・・・Foldable ladders in which the longitudinal members are brought together on folding {(E06C 9/085 takes precedence)}

E06C 1/3835 ・・・・{having collapsible steps comprising a hinge in their central part}

E06C 1/387 ・・・having tip-up steps

E06C 1/39 ・・・Ladders having platforms; Ladders changeable into platforms (platforms for use on ladders E06C 7/16)

E06C 1/393 ・・・・Ladders having platforms foldable with the ladder

E06C 1/397 ・・・characterised by having wheels, rollers, or runners

E06C 1/52 ・with non-rigid longitudinal members

E06C 1/525 ・・{made of a continuous strip of material}

E06C 1/54 ・・of the lazy-tongs type

E06C 1/56 ・・Rope or chain ladders

E06C 1/58 ・with both rigid and non-rigid longitudinal members

E06C 5/00 Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles (ladders having wheels, rollers, or runners E06C 1/397){ladders on boats B63B 27/14}

E06C 5/02 ・with rigid longitudinal members

E06C 5/04 ・・capable of being elevated or extended {Fastening means during transport, e.g. mechanical, hydraulic}

E06C 5/06 ・・・by piston and cylinder, or equivalent means, operated by a pressure medium

E06C 5/08 ・・・・derived directly from a pressure reservoir

E06C 5/10 ・・・・・charged by a pump or compressor driven by the motor of the vehicle or another motor on the vehicle

E06C 5/12 ・・・・derived directly from a pump or compressor

E06C 5/14 ・・・・・driven by the motor of the vehicle or another motor on the vehicle

E06C 5/16 ・・・using mechanical transmission only, with or without fluid or other non-mechanical couplings or clutches

E06C 5/18 ・・・・using power from the motor of the vehicle or another motor

E06C 5/20 ・・・・using hand-power (hand-operated extending means carried by the ladder E06C 7/04)

E06C 5/22 ・・・by, or with the assistance of, springs (E06C 5/06, E06C 5/16 take precedence)

E06C 5/24 ・・Dismounting ladders from vehicles {or supporting means}

E06C 5/26 ・with non-rigid longitudinal members

E06C 5/28 ・・of the lazy-tongs type

E06C 5/30 ・・formed of links which reinforce themselves against each other

E06C 5/32 ・Accessories {e.g. brakes on ladders}

E06C 5/34 ・・Indicating devices

E06C 5/36 ・・Safety devices against slipping or falling of ladders; Safety device against overloading ladders

E06C 5/38 ・・Devices for blocking the springs of the vehicle; Devices for supporting the undercarriage directly form the ground

E06C 5/40 ・・Devices for canting ladders laterally

E06C 5/42 ・・Devices for altering inclination; Latching devices therefor {Balancing arrangements}

E06C 5/44 ・・Other accessories on ladders, e.g. acoustical signalling devices, dismountable switchboards

E06C 7/00 Component parts, supporting parts, or accessories

E06C 7/003 ・{Indicating devices, e.g. user warnings or inclinators }

E06C 7/006 ・{Devices for preventing access}

E06C 7/02 ・Extending means (for ladders mounted on undercarriages or vehicles E06C 5/00)

E06C 7/04 ・・Hand-operated extending means carried by the ladder

E06C 7/06 ・Securing devices or hooks for parts of extensible ladders

E06C 7/08 ・Special construction of longitudinal members, or rungs or other treads

E06C 7/081 ・・{Rungs or other treads comprising anti-slip features}

E06C 7/082 ・・{Connections between rungs or treads and longitudinal members}

E06C 7/083 ・・・{Bracket type connection}

E06C 7/084 ・・・{Rungs comprising projecting tabs or flanges}

E06C 7/085 ・・・{achieved by deforming the rung or the stile; E06C 7/084 takes precedence}

E06C 7/086 ・・・{with a connecting piece inserted in a hollow rung; E06C 7/088 takes precedence}

E06C 7/087 ・・・{with a connecting piece installed around the rung}

E06C 7/088 ・・・{with tie rods parallel to the rungs}

E06C 7/10 ・Reinforcements for ladders

E06C 7/12 ・Lifts or other hoisting devices on ladders

E06C 7/14 ・Holders for pails or other equipment on or for ladders

E06C 7/143 ・・{specially adapted to be inserted into the end of a hollow rung}

E06C 7/146 ・・{made from wire; E06C 7/143 takes precedence}

E06C 7/16 ・Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms (aspects relating to the lifting B66F)

E06C 7/165 ・・{specially adapted to be fixed to only one rung}

E06C 7/18 ・Devices for preventing persons from falling (life-saving belts A62B 1/16){Safety devices for window-cleaners A47L 3/00}

E06C 7/181 ・・{Additional gripping devices, e.g. handrails}

E06C 7/182 ・・・{situated at the top of the ladder}

E06C 7/183 ・・・{situated along the ladder}

E06C 7/185 ・・{Devices providing a back support to a person on the ladder, e.g. cages}

E06C 7/186 ・・{Rail or rope for guiding a safety attachment, e.g. a fall arrest system}

E06C 7/187 ・・・{Guiding rail}

E06C 7/188 ・・{Accessories for temporary stabilising a ladder, e.g. temporary attaching devices (ladder feet or struts E06C 7/42, ladder heads E06C 7/48)}

E06C 7/42 ・Ladder feet; Supports therefor (for scaffold elements E04G 5/02)

E06C 7/423 ・・{Ladder stabilising struts}

E06C 7/426 ・・{Height adjustable supports for receiving both ladder feet}

E06C 7/44 ・・Means for mounting ladders on uneven ground

E06C 7/46 ・・Non-skid equipment

E06C 7/48 ・Ladder heads; Supports for heads of ladders for resting against objects {ladders attachable to structures such as poles E06C 1/34}

E06C 7/482 ・・{Supports specially adapted for resting the ladder against or in a corner}

E06C 7/484 ・・{Supports specially adapted for use with a wall opening, e.g. windows}

E06C 7/486 ・・{Supports specially adapted to support a ladder on a gutter}

E06C 7/488 ・・{Supports specially adapted to attach a ladder to a ridge of a roof}

E06C 7/50 ・Joints or other connecting parts

E06C 7/505 ・・{Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks}

E06C 9/00 Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes (movable stairways E04F 11/04; {means for facilitating access to swimming pools E04H 4/144})

E06C 9/02 ・rigidly mounted

E06C 9/04 ・・in the form of climbing irons or the like {(built-in climbing irons for poles A63B 27/00; built-in climbing devices as construction element E04F 11/00)}

E06C 9/06 ・movably mounted

E06C 9/08 ・・with rigid longitudinal members

E06C 9/085 ・・・{ladders unfolded in the direction of the longitudinal members}

E06C 9/10 ・・・forming part of a building, such as a balcony grid, window grid, or other window part {with non-rigid longitudinal members E06C 9/14}

E06C 9/12 ・・・laterally displaceable

E06C 9/14 ・・with non-rigid longitudinal members, e.g. rope or chain ladders, ladders of the lazy-tongs type