Title:
A STEPLADDER CAPABLE OF LIFTING
Document Type and Number:
WIPO Patent Application WO/2008/052438
Kind Code:
A1
Abstract:
A stepladder capable of lifting comprises a fixing ladder (1), a transition ladder
(2) and a lifting ladder (3), in which, the upper end of the fixing ladder (1) is
pivotally connected to the upper end of the transition ladder (2) which is slidably
mounted on the lifting ladder (3). The fixing ladder (1) and the transition ladder
(2) can be opened and located to form a stepladder or be folded and located to form
a straight ladder, and the lifting ladder (3) is slidable relative to the transition
ladder (2) to make its upper end extend out the upper end of the transition ladder
(2) or/and make its lower end extend out the lower end of the transition ladder
(2). The stepladder has the advantage of a variable configuration to be adequate
for any kinds of sites including an uneven ground or footstep.
Inventors:
LENG LUHAO (CN)
Application Number:
PCT/CN2007/003095
Publication Date:
May 08, 2008
Filing Date:
October 31, 2007
Export Citation:
Assignee:
LENG LUHAO (CN)
International Classes:
E06C1/18; E06C1/32
Foreign References:
| GB2400397A | 2004-10-13 | |||
| GB2326665A | 1998-12-30 | |||
| CN2823519Y | 2006-10-04 | |||
| CN2622373Y | 2004-06-30 |
Attorney, Agent or Firm:
SHOUCHUANG JUNHE PATENT AGENT CO., LTD. XIAMEN (NO.191 Changqing RoadXiamen, Fujian 2, CN)
Download PDF:
Previous Patent: FULL AUTOMATIC PRODUCTION LINE OF INSTANT VERMICELLI AND PROCESS FOR PRODUCING IT
Next Patent: MATTRESS
Next Patent: MATTRESS