EP 3653832 B1 20221012 - TELESCOPIC PIPE BUFFER STRUCTURE
Title (en)
TELESCOPIC PIPE BUFFER STRUCTURE
Title (de)
TELESKOPISCHE ROHRPUFFERSTRUKTUR
Title (fr)
STRUCTURE TAMPON DE TUYAU TÉLESCOPIQUE
Publication
Application
Priority
- CN 201720833364 U 20170710
- CN 2018090210 W 20180607
Abstract (en)
[origin: EP3653832A1] A telescopic pipe buffer structure (100), comprising an inner tube (1), an outer tube (2), a buffer plate (3), a gear plate (4), and a guide sleeve (5); the inner tube (1) is slidably sleeved in the outer tube (2); the buffer plate (3), the gear plate (4), and the guide sleeve (5) correspond to the cross section of the inner tube (1); the guide sleeve (5) is fixed on an end face of the inner tube (1); the gear plate (4) is fixed on the guide sleeve (5) by means of a screw (7); a surrounding accommodating groove (6) is formed between the gear plate (4) and the guide sleeve (5); and the buffer plate (3) is provided at one side of the accommodating groove (6) close to the gear plate (4). The buffer structure (100) can enable a telescopic ladder to be cached when extending and to be rapidly retracted.
IPC 8 full level
CPC (source: EP)
E06C 1/125 (2013.01); E06C 7/00 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3653832 A1 20200520; EP 3653832 A4 20210421; EP 3653832 B1 20221012; CN 207033331 U 20180223; DK 3653832 T3 20221114; WO 2019011082 A1 20190117
DOCDB simple family (application)
EP 18832839 A 20180607; CN 201720833364 U 20170710; CN 2018090210 W 20180607; DK 18832839 T 20180607