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Patent Searching and Data


Title:
STRUCTURE FOR CONNECTING A STILE AND A TREAD OF A LADDER
Document Type and Number:
WIPO Patent Application WO/2008/000162
Kind Code:
A1
Abstract:
A structure for connecting a stile (1) and a tread (2) of a ladder includes a first hole (11) and a second hole (12) for engagement located on the stile, an end screw portion of rung (3) disposed in the tread (2), a metal cup (4) or a pad (6) and a fastener (51,52,53). The rung (3) is connected and fixed between two stiles (1) by the fastener (51,52,53) threading through the first hole (11), the second hole (12) and the metal cup (4) or the pad (6), so as to fix the tread (2) between two stiles (1). The structure can enhance the strength of joint of the tread (2) and the stile (1), and save material and reduce cost, and facilitate to connectthe tread (2) with the stile (1).

Inventors:
LENG LUHAO (CN)
Application Number:
PCT/CN2007/001945
Publication Date:
January 03, 2008
Filing Date:
June 20, 2007
Export Citation:
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Assignee:
LENG LUHAO (CN)
International Classes:
E06C7/08; E06C7/02; E06C7/50
Foreign References:
GB1570200A1980-06-25
GB2355481A2001-04-25
CN2701667Y2005-05-25
GB1457149A1976-12-01
Attorney, Agent or Firm:
SHOUCHUANG JUNHE PATENT AGENT CO., LTD. XIAMEN (No. 191 Changqing RoadXiamen, Fujian 2, CN)
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