Title:
CUP WITH ROTATABLE AND LOCKING TIGHTLY STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2009/124490
Kind Code:
A1
Abstract:
A cup with a rotatable and locking tightly structure includes a bottle lid (1) and a bottle body (2). Several protruding locking poles (3) are set at the places near the bottle opening of the bottle body (2), and there are several locking openings (4) which are corresponding to the locking poles (3) on the side of the bottle lid (1). The locking openings (4) are bevel openings or arc openings. There is a limiting location segment (5) set at the place where the locking opening (4) on the side of the bottle lid (1) contacts with the locking poles (3). The limiting location segments (5) on the locking openings (4) are concaves or tooth flanks. An annular groove (6) is set on the inner underside of the bottle lid (1), and a seal ring (7) is embedded in the annular groove (6). At least one gap groove (8) is set on the annular groove (6).
Inventors:
LIN CHANG (CN)
Application Number:
PCT/CN2009/071170
Publication Date:
October 15, 2009
Filing Date:
April 07, 2009
Export Citation:
Assignee:
LIN CHANG (CN)
International Classes:
A47G19/22
Foreign References:
| CN2928101Y | 2007-08-01 | |||
| CN2681736Y | 2005-03-02 | |||
| CN2225795Y | 1996-05-01 | |||
| CN101022748A | 2007-08-22 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (Xuhui, Shanghai 3, CN)
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