ES218462U - Folding staircase. (Machine-translation by Google Translate, not legally binding) - Google Patents

Folding staircase. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES218462U
ES218462U ES0218462U ES218462U ES218462U ES 218462 U ES218462 U ES 218462U ES 0218462 U ES0218462 U ES 0218462U ES 218462 U ES218462 U ES 218462U ES 218462 U ES218462 U ES 218462U
Authority
ES
Spain
Prior art keywords
sections
ladder
translation
cover
opening
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.)
Granted
Application number
ES0218462U
Other languages
Spanish (es)
Other versions
ES218462Y (en
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
Priority to ES1976218462U priority Critical patent/ES218462Y/en
Publication of ES218462U publication Critical patent/ES218462U/en
Application granted granted Critical
Publication of ES218462Y publication Critical patent/ES218462Y/en
Expired legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)

Abstract

Folding ladder, characterized essentially by the fact of consisting of several sections each constituted by two stringers and steps-rails, whose sections are articulated together by the ends of the stringers so that the ladder can be folded in zigzag, comprising the staircase in its upper sections some lateral railings arranged at different widths so that in the folding they fit into each other and the upper section of the staircase is attached to a cover that at the upper end is articulated to an edge of an opening of a roof or elevated door provided in a wall and that is carrable by said cover so that the ladder is hidden, having provided lateral helical springs with which are related to each other contiguous sections of the ladder and attracting some sections towards the others, helping when folded, as well as two coil springs that connect the upper section with the edge of the opening to which the cover is articulated and they contribute to the oscillation of the latter toward the closing position of the opening. (Machine-translation by Google Translate, not legally binding)
ES1976218462U 1976-02-02 1976-02-02 FOLDING STAIRCASE. Expired ES218462Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1976218462U ES218462Y (en) 1976-02-02 1976-02-02 FOLDING STAIRCASE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1976218462U ES218462Y (en) 1976-02-02 1976-02-02 FOLDING STAIRCASE.

Publications (2)

Publication Number Publication Date
ES218462U true ES218462U (en) 1976-09-01
ES218462Y ES218462Y (en) 1978-01-16

Family

ID=8381876

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1976218462U Expired ES218462Y (en) 1976-02-02 1976-02-02 FOLDING STAIRCASE.

Country Status (1)

Country Link
ES (1) ES218462Y (en)

Also Published As

Publication number Publication date
ES218462Y (en) 1978-01-16

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