EP 2322752 A4 20120912 - EXTENDING LADDER
Title (en)
EXTENDING LADDER
Title (de)
ERWEITERBARE LEITER
Title (fr)
ECHELLE A COULISSE
Publication
Application
Priority
- CN 2009000792 W 20090714
- CN 200820162785 U 20080814
Abstract (en)
[origin: EP2322752A1] The extending ladder comprises a left stile (1), right stile (2) which disposed oppositely and a plurality of rungs (3) which extends between the left (1) stile and the right stile (2), the left stile (1) and right stile (2) are respectively formed of telescopically collapsible left columns (11) and right columns (12) which are disposed orderly in a nested arrangement for relative lengthwise movement in a telescopic fashion, a left latch mechanism (4) and right latch (5) are disposed in each rung (3). A left button (6) and a right button (7) are disposed closely with each other in the middle of the corresponding rung (3), so as to make two buttons be operated conveniently by single hand to make the rung (3) released from the corresponding column.
IPC 8 full level
CPC (source: EP)
E06C 1/125 (2013.01); E06C 7/06 (2013.01)
Citation (search report)
- [XY] CN 201047247 Y 20080416 - SHIKUN JIAN [CN]
- [X] GB 2287056 A 19950906 - FOXDALE DEV LTD [GB]
- [X] US 1712942 A 19290514 - SMITH HIRAM K
- [YA] EP 0301821 A1 19890201 - BAKER MERVYN REGINALD ELI [GB], et al
- [A] CN 200985738 Y 20071205 - ZHENGPING SU [CN]
- [Y] US 2008023269 A1 20080131 - PARKER THOMAS W [US]
- [Y] GB 2436584 A 20071003 - NORMAN WILLIAM LIEFKE [CA], et al
- See references of WO 2010017684A1
Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2322752 A1 20110518; EP 2322752 A4 20120912; EP 2322752 B1 20130529; CN 201250602 Y 20090603; DK 2322752 T3 20130826; WO 2010017684 A1 20100218
DOCDB simple family (application)
EP 09806287 A 20090714; CN 200820162785 U 20080814; CN 2009000792 W 20090714; DK 09806287 T 20090714