Title:
AN EXTENDABLE COVER DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/069530
Kind Code:
A1
Abstract:
An extendable cover device comprises at least one secondary board provided in a hollow cover board. An outlet for the secondary board is provided at one side of the cover board. the secondary board can be pulled out of the cover board to form an extended cover board and also can be pushed into the cover board. Another cover device according to another solution of this invention comprises at least one secondary board hinged at one side of a cover board. The secondary board can be turned through 180&ring between a folding position and an extending positon. At the folding position the secondary board is on a recess surface of the cover board. At the extending position the secondary board forms an extended cover board.
More Like This:
| WO/1997/003841 | COVER FOR PRINTED MATTER |
| JPS62193896 | COVER FOR FILING |
Inventors:
YAU YIMWAI (CN)
Application Number:
PCT/CN2005/002319
Publication Date:
July 06, 2006
Filing Date:
December 26, 2005
Export Citation:
Assignee:
SHENZHEN WANG LING SCIENCE AND (CN)
YAU YIMWAI (CN)
YAU YIMWAI (CN)
International Classes:
B42D3/00; B42C15/00; B42D3/18
Foreign References:
| JPH0115382A | ||||
| DE10155158A1 | 2002-07-25 | |||
| GB2185219A | 1987-07-15 | |||
| DE4239056C1 | 1993-12-23 | |||
| JPS6260365U | 1987-04-14 | |||
| US4838724A | 1989-06-13 | |||
| CN2075138U | 1991-04-17 | |||
| CN1693094A | 2005-11-09 |
Attorney, Agent or Firm:
SHENZHEN ZHONGZHI PATENT & TRADEMARK AGENT CO., LTD. (1001 Shangbu Zhong Road Shenzhen, Guangdong 1, CN)
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