GB741707A - Improvements in or relating to hydraulically operated ladders - Google Patents

Improvements in or relating to hydraulically operated ladders

Info

Publication number
GB741707A
GB741707A GB3228253A GB3228253A GB741707A GB 741707 A GB741707 A GB 741707A GB 3228253 A GB3228253 A GB 3228253A GB 3228253 A GB3228253 A GB 3228253A GB 741707 A GB741707 A GB 741707A
Authority
GB
United Kingdom
Prior art keywords
ladders
hydraulically operated
relating
ladder
extending
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
Application number
GB3228253A
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.)
GUSTAV RAGNAR NILSSON
Original Assignee
GUSTAV RAGNAR NILSSON
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 GUSTAV RAGNAR NILSSON filed Critical GUSTAV RAGNAR NILSSON
Priority to GB3228253A priority Critical patent/GB741707A/en
Publication of GB741707A publication Critical patent/GB741707A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
    • E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
    • E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
    • E06C5/06—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic by piston and cylinder, or equivalent means, operated by a pressure medium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

741,707. Ladders. NILSSON, G. R. Nov. 20, 1953, No. 32282/53. Class 20(2). In an hydraulically operated elevating and extending ladder the pressure liquid in the elevating cylinder 8 controls the liquid supply to the extending cylinders 13. The ladder is mounted on a turn-table 2 on a truck.
GB3228253A 1953-11-20 1953-11-20 Improvements in or relating to hydraulically operated ladders Expired GB741707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3228253A GB741707A (en) 1953-11-20 1953-11-20 Improvements in or relating to hydraulically operated ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3228253A GB741707A (en) 1953-11-20 1953-11-20 Improvements in or relating to hydraulically operated ladders

Publications (1)

Publication Number Publication Date
GB741707A true GB741707A (en) 1955-12-07

Family

ID=10336186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3228253A Expired GB741707A (en) 1953-11-20 1953-11-20 Improvements in or relating to hydraulically operated ladders

Country Status (1)

Country Link
GB (1) GB741707A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038931C1 (en) * 1990-12-06 1992-04-09 Otto Leonhard 8051 Massenhausen De Nefzger Step-ladder made of aluminium@ - is extended by foot-pump operating pneumatic system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038931C1 (en) * 1990-12-06 1992-04-09 Otto Leonhard 8051 Massenhausen De Nefzger Step-ladder made of aluminium@ - is extended by foot-pump operating pneumatic system

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