(19)
(11) EP 4 273 362 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.01.2024 Bulletin 2024/02

(43) Date of publication A2:
08.11.2023 Bulletin 2023/45

(21) Application number: 23198937.7

(22) Date of filing: 02.12.2015
(51) International Patent Classification (IPC): 
E06C 1/12(2006.01)
E06C 7/42(2006.01)
E06C 7/46(2006.01)
 E06C 1/32(2006.01)
E06C 1/18(2006.01)
(52) Cooperative Patent Classification (CPC):
E06C 1/125; E06C 1/32; E06C 7/42; E06C 1/18; E06C 7/423; E06C 7/46
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 02.12.2014 US 201414558042
02.12.2014 US 201414557944

(62) Application number of the earlier application in accordance with Art. 76 EPC:
15808534.0 / 3227517

(71) Applicant: Core Distribution, Inc.
Minneapolis, MN 55401 (US)

(72) Inventors:
  • KIEFFER, Mitchell I.
    Key Biscayne, 33149 (US)
  • CALDWELL, Allen A.
    Shakopee, 55378 (US)
  • SCHLUETER, Nathan L.
    Bloomington, 55420 (US)

(74) Representative: Forresters IP LLP 
Skygarden Erika-Mann-Straße 11
80636 München
80636 München (DE)

   


(54) TELESCOPING LADDER


(57) A foldable ladder has a first ladder portion and a second ladder portion hingedly attached to the first ladder portion by a pair of hinge mechanisms. Each hinge mechanism adapted to lock the first and second ladder portions such that the first ladder portion and the second ladder portion form an angle therebetween. The hinge mechanism has a shifting mechanism and a ladder angle selector coupled thereto to allow manual selection of the angle between the first and second ladder portions, and a locking pin to lock the first and second ladder portions at an angular position.







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Search report