ES2020074A6 - Escalera extensible. - Google Patents

Escalera extensible.

Info

Publication number
ES2020074A6
ES2020074A6 ES8904427A ES8904427A ES2020074A6 ES 2020074 A6 ES2020074 A6 ES 2020074A6 ES 8904427 A ES8904427 A ES 8904427A ES 8904427 A ES8904427 A ES 8904427A ES 2020074 A6 ES2020074 A6 ES 2020074A6
Authority
ES
Spain
Prior art keywords
staircase
longitudinal members
rungs
vis
former
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.)
Expired - Lifetime
Application number
ES8904427A
Other languages
English (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 ES8904427A priority Critical patent/ES2020074A6/es
Publication of ES2020074A6 publication Critical patent/ES2020074A6/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Emergency Lowering Means (AREA)

Abstract

LA INVENCION SE REFIERE A UNA ESCALERA EXTENSIBLE, ESPECIALMENTE PROYECTADA PARA FACILITAR LA EVACUACION DE UNIDADES FERROVIARIARAS, EN CASO DE EMERGENCIA, QUE COMPRENDE UN PAR DE LARGUEROS PARALELOS (1-1'') UNIDOS ENTRE SI POR MEDIO DE UNA SUCESION DE TRAVESAÑOS (2) EN FUNCION DE PELDAÑOS, QUE COMPORTA, ACOPLADOS A SU EXTREMIDAD INFERIOR, UN ARMAZON RIGIDO FORMANDO POR DOS LARGUEROS PARALELOS (4'') QUE AJUSTAN SOBRE AQUELLOS LARGUEROS ABRAZANDOLOS Y QUEDANDO EN DISPOSICION DE DESLIZAR CON RESPECTO A LOS MISMOS ENTRE DOS POSICIONES LIMITE, EN UNA DE LAS CUALES EL TRAVESAÑO UNICO (5) DEL BASTIDOR QUEDA APLICADO CONTRA EL ULTIMO PELDAÑO (2'') DE LA ESCALERA, EN TANTO QUE EN LA OTRA, EN LA QUE EL CONJUNTO QUEDA ENGATILLADO, ESTOS DOS PELDAÑOS QUEDAN SEPARADOS, PROLONGANDO LA LONGITUD UTIL DE LA ESCALERA.
ES8904427A 1989-12-29 1989-12-29 Escalera extensible. Expired - Lifetime ES2020074A6 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES8904427A ES2020074A6 (es) 1989-12-29 1989-12-29 Escalera extensible.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8904427A ES2020074A6 (es) 1989-12-29 1989-12-29 Escalera extensible.

Publications (1)

Publication Number Publication Date
ES2020074A6 true ES2020074A6 (es) 1991-07-16

Family

ID=8265258

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8904427A Expired - Lifetime ES2020074A6 (es) 1989-12-29 1989-12-29 Escalera extensible.

Country Status (1)

Country Link
ES (1) ES2020074A6 (es)

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2009-12-29