ES157335U - Escalera plegable. - Google Patents

Escalera plegable.

Info

Publication number
ES157335U
ES157335U ES0157335U ES157335U ES157335U ES 157335 U ES157335 U ES 157335U ES 0157335 U ES0157335 U ES 0157335U ES 157335 U ES157335 U ES 157335U ES 157335 U ES157335 U ES 157335U
Authority
ES
Spain
Prior art keywords
arm
riser
pivoting
possibility
vehicle
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
ES0157335U
Other languages
English (en)
Other versions
ES157335Y (es
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.)
Raytheon Technologies Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of ES157335U publication Critical patent/ES157335U/es
Application granted granted Critical
Publication of ES157335Y publication Critical patent/ES157335Y/es
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00Construction of steps for railway vehicles
    • B61D23/02Folding steps for railway vehicles, e.g. hand or mechanically actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Ladders (AREA)

Abstract

Una escalera para un vehículo de ferrocarril, que se transforma desde una posición de plataforma en el vestíbulo dentro del umbral del vehículo en una posición de formación de escalera que conduce al andén de la estación, que comprende: un par de escalones separados por una contrahuella inferior y pivotablemente conectados a ella, comprendiendo dichos escalones un escalón inferior y un escalón superior; contrahuella superior y conectada, también con posibilidad de pivotar, al chasis del umbral del vehículo; un primer chasis lateral superior conectada, con posibilidad de pivotar, a dicho escapado de manera fija al escalón superior y a la contrahuella superior, a cada extremo de los mismos; un brazo para la conexión, con posibilidad de pivotar, de los escalones inferior y superior, dispuesto en cada extremo de los misma sentido paralelo a la contrahuella inferior y separado de la misma, teniendo libertad dichos brazo de conexión y contrahuella inferior para pivotar a fin de orientar al escalón inferior desde una posición coplanar con el escalón superior a una posición paralela aunque inferior al mismo, y llevando dicho escalón inferior acoplado; un mecanismo de brazo y articulación conectado, con posibilidad de pivotar, a cada uno de los dichos chasis laterales primeros; y medios de fuerza para accionar dichos mecanismos de brazo y articulación, de manera que cuando dichos medios de fuerza reciban energía los mecanismos de brazo y articulación sean accionados, haciendo que la escalera pivote alrededor del umbral del vehículo y hacia el vestíbulo del mismo para formar una plataforma.
ES1968157335U 1967-07-24 1968-07-24 Escalera plegable. Expired ES157335Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US655357A US3408959A (en) 1967-07-24 1967-07-24 Folding staircase

Publications (2)

Publication Number Publication Date
ES157335U true ES157335U (es) 1970-11-01
ES157335Y ES157335Y (es) 1971-05-16

Family

ID=24628567

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1968157335U Expired ES157335Y (es) 1967-07-24 1968-07-24 Escalera plegable.

Country Status (10)

Country Link
US (1) US3408959A (es)
BE (1) BE718213A (es)
BR (1) BR6800872D0 (es)
CH (1) CH491774A (es)
DE (1) DE1780007C3 (es)
ES (1) ES157335Y (es)
FR (1) FR1578286A (es)
GB (1) GB1194489A (es)
NL (1) NL6810466A (es)
SE (1) SE334175B (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580613A (en) * 1969-02-27 1971-05-25 Walter A Northrop Bumper combining hitch and step
US3572754A (en) * 1969-07-11 1971-03-30 Gen Motors Corp Vehicle step arrangement
US4124099A (en) * 1977-10-04 1978-11-07 General Motors Corporation Wheelchair lift device
US4124098A (en) * 1977-10-04 1978-11-07 General Motors Corporation Wheelchair lift device
US4174115A (en) * 1977-12-27 1979-11-13 Youngblood John W Motorized bi-fold stepwell cover
US5150659A (en) * 1990-11-29 1992-09-29 Renfe Entering and exiting step system for vehicles with two step pivotal support for accommodating platforms of varying heights
US5230288A (en) * 1990-11-29 1993-07-27 Renfe Entering and exiting step system for vehicles with swingable platform for wheelchair bound passengers
GB9220367D0 (en) * 1992-09-26 1992-11-11 Jones Garrard Limited Retractable stairs
US5505476A (en) * 1993-08-23 1996-04-09 Kwikee Products Co., Triple manual folding steps
US6213486B1 (en) * 1999-04-05 2001-04-10 Kwikee Products Co., Inc. Step assembly with concealed lower tread
WO2001005639A2 (en) * 1999-07-08 2001-01-25 Aai Corporation Passenger rail car sliding door with high platform threshold
US6578664B1 (en) * 2000-11-22 2003-06-17 Stuart Doherty Window guard with quick release latching system
US20070277808A1 (en) * 2006-05-30 2007-12-06 Bean Patricia J Spark arresting incinerator
US8011474B2 (en) * 2006-10-30 2011-09-06 Caterpillar Inc. Powered access device
US8316595B2 (en) 2010-04-06 2012-11-27 Burford Tyrus S Collapsible staircase
US8075008B1 (en) * 2010-10-27 2011-12-13 Hwh Corporation Retractable staircase for a recreational vehicle
US8668217B2 (en) 2011-12-15 2014-03-11 Michael P. Ziaylek Automated retractable step apparatus utilizing over-center locking mechanism
US9957720B1 (en) 2015-11-25 2018-05-01 Majic Stairs Inc. Retractable staircase and method
CN109017844B (zh) * 2018-06-21 2020-06-23 中车株洲电力机车有限公司 一种脚蹬装置及具有该脚蹬装置的转向架
US11945701B1 (en) 2020-11-13 2024-04-02 Majic Stairs Inc. Lift
CN112590511B (zh) * 2020-12-29 2022-09-16 北汽福田汽车股份有限公司 车门组件和车辆

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1397294A (en) * 1921-11-15 Automatic raising and lowering steps
US976195A (en) * 1910-05-12 1910-11-22 Roger W Lomax Folding car-step.
US1802926A (en) * 1929-11-08 1931-04-28 Nat Pneumatic Co Trapdoor and step control mechanism for passenger cars
US2564954A (en) * 1948-04-26 1951-08-21 David E Brelsford Retractable stairs
US2951454A (en) * 1957-04-08 1960-09-06 Pullman Standard Car Mfg Co Vehicle folding step assembly

Also Published As

Publication number Publication date
SE334175B (es) 1971-04-19
US3408959A (en) 1968-11-05
CH491774A (de) 1970-06-15
NL6810466A (es) 1969-01-28
DE1780007B2 (de) 1973-08-23
FR1578286A (es) 1969-08-14
DE1780007C3 (de) 1974-03-21
DE1780007A1 (de) 1972-01-05
BE718213A (es) 1968-12-31
BR6800872D0 (pt) 1973-02-27
ES157335Y (es) 1971-05-16
GB1194489A (en) 1970-06-10

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