EP0057040A3 - Fold-up ladder - Google Patents

Fold-up ladder Download PDF

Info

Publication number
EP0057040A3
EP0057040A3 EP82200073A EP82200073A EP0057040A3 EP 0057040 A3 EP0057040 A3 EP 0057040A3 EP 82200073 A EP82200073 A EP 82200073A EP 82200073 A EP82200073 A EP 82200073A EP 0057040 A3 EP0057040 A3 EP 0057040A3
Authority
EP
European Patent Office
Prior art keywords
ladder
arms
modules
module
fold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP82200073A
Other languages
German (de)
French (fr)
Other versions
EP0057040A2 (en
Inventor
Salvador Alimbau Marques
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0057040A2 publication Critical patent/EP0057040A2/en
Publication of EP0057040A3 publication Critical patent/EP0057040A3/en
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/52—Ladders in general with non-rigid longitudinal members

Landscapes

  • Ladders (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

Fold-up ladder, consisting of a multiplicity of "U"-­ shaped modules in the manner of a rectangular frame lacking of one of its smaller sides (2), each of which frames has its two arms hinged in (3) to both arms of the following smaller module, for which reason, in the folded position, every module (1) of the ladder is inscribed inside the frame of the foregoing one, except the largest (1A) corresponding to one end of the ladder, and by swinging them, the modules (1) become alternatively placed in such a position with respect the ones the others that the ends of the arms of the other group of modules, all them becoming placed in the same plane, out of which they are taken at the user's will by pulling the last smallest module (1B) upwards.
EP82200073A 1981-01-26 1982-01-21 Fold-up ladder Ceased EP0057040A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES1981256261U ES256261Y (en) 1981-01-26 1981-01-26 NEW FOLDING STAIRCASE
ES256261U 1981-01-28

Publications (2)

Publication Number Publication Date
EP0057040A2 EP0057040A2 (en) 1982-08-04
EP0057040A3 true EP0057040A3 (en) 1983-06-08

Family

ID=8413280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82200073A Ceased EP0057040A3 (en) 1981-01-26 1982-01-21 Fold-up ladder

Country Status (7)

Country Link
EP (1) EP0057040A3 (en)
AU (1) AU567802B2 (en)
DK (1) DK34382A (en)
EG (1) EG15065A (en)
ES (1) ES256261Y (en)
FI (1) FI65305C (en)
NO (1) NO820246L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES256261Y (en) * 1981-01-26 1982-06-01 NEW FOLDING STAIRCASE
US4493392A (en) * 1981-01-26 1985-01-15 Andral Corp Convertible fold-up ladder
US4574918A (en) * 1982-01-21 1986-03-11 Andral Corporation Ladder locking mechanism
EP0125338A3 (en) * 1983-05-06 1986-02-19 Salvador Alimbau Marques Ladder having a plurality of modules
EP0135757A3 (en) * 1983-09-29 1986-02-12 Andral Corporation Work top and work bench
GB8819930D0 (en) * 1988-08-23 1988-09-21 Williams J G Folding ladder
ES1025797Y (en) * 1993-09-24 1994-08-16 Gris Luis Blanco NEW ARRANGEMENT OF STEPS, APPLICABLE ON REMOVABLE STAIRS.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58388C (en) * E. L. RIPP in Schönau b. Chemnitz Chain ladder
US1644739A (en) * 1926-05-22 1927-10-11 Charles C Mccracken Emergency ladder
AU498321B2 (en) * 1975-04-10 1979-03-01 Salter, A.J. Folding, ladder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB433724A (en) * 1934-02-20 1935-08-20 Frederick Hugh William Whiting Improvements in or relating to folding ladders
US2529112A (en) * 1947-07-26 1950-11-07 Marshall F Crouch Window mounted collapsible fire escape
ES256261Y (en) * 1981-01-26 1982-06-01 NEW FOLDING STAIRCASE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58388C (en) * E. L. RIPP in Schönau b. Chemnitz Chain ladder
US1644739A (en) * 1926-05-22 1927-10-11 Charles C Mccracken Emergency ladder
AU498321B2 (en) * 1975-04-10 1979-03-01 Salter, A.J. Folding, ladder

Also Published As

Publication number Publication date
DK34382A (en) 1982-07-29
AU567802B2 (en) 1987-12-03
FI820220L (en) 1982-07-29
NO820246L (en) 1982-07-29
AU4037185A (en) 1986-10-02
ES256261U (en) 1981-12-16
ES256261Y (en) 1982-06-01
FI65305B (en) 1983-12-30
FI65305C (en) 1984-04-10
EP0057040A2 (en) 1982-08-04
EG15065A (en) 1985-12-31

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LU NL SE

PUAL Search report despatched

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Effective date: 19831121

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18R Application refused

Effective date: 19851210