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Patent Searching and Data


Title:
HINGE STRUCTURE FOR CONTAINER
Document Type and Number:
WIPO Patent Application WO/2003/018421
Kind Code:
A1
Abstract:
A hinge structure for a container (1) comprising first hinge pieces (4) projected from the rear end of a container main body (2) of synthetic resin and drilled with first shaft holes (5), a second hinge piece (6) projected from the rear end of a cover (3) of synthetic resin for opening&sol closing the container main body (2) and drilled with second shaft holes (7), hinge shafts (8) of synthetic resin inserted in the first shaft holes (5) and second shaft holes (7) to openably&sol closably turnably connect the container main body (2) to the cover (3), wherein short cylindrical fitting raised portions (9) aligned with center axis of the first shaft holes (5) are projected from the end surfaces of the first hinge pieces (4) abutting against the second hinge piece (6), and the end surfaces of the second hinge piece (6) abutting against the first hinge pieces (4) are provided with U−shaped fitting recesses (10) that open to the front end of the cover (3) and whose center of curvature coincides with the center of the second shaft holes (7) and having a curved portion whose radius of curvature is equal to that of the fitting raised portions (9), so that an external forced applied to the cover (3) is received by the fitting raised portions (9) to prevent a shearing force from acting on the hinge shafts (8) so as to protect the hinge shafts (8) from damage.

Inventors:
Suzuki, Kazuo c/o Yoshino Kogyosho Co. (Ltd. 2-6 Ojima 3-chome Koto-ku, Tokyo, 136-8531, JP)
Shimada, Shinji c/o Yoshino Kogyosho Co. (Ltd. 2-6 Ojima 3-chome Koto-ku, Tokyo, 136-8531, JP)
Application Number:
PCT/JP2002/008785
Publication Date:
March 06, 2003
Filing Date:
August 30, 2002
Export Citation:
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Assignee:
Yoshino Kogyosho, Ltd CO. (2-6 Ojima 3-chome Koto-ku, Tokyo, Tokyo, 136-8531, JP)
Suzuki, Kazuo c/o Yoshino Kogyosho Co. (Ltd. 2-6 Ojima 3-chome Koto-ku, Tokyo, 136-8531, JP)
Shimada, Shinji c/o Yoshino Kogyosho Co. (Ltd. 2-6 Ojima 3-chome Koto-ku, Tokyo, 136-8531, JP)
International Classes:
A45C13/00; A45D33/00; A45D40/22; (IPC1-7): B65D43/16; A45D33/00
Foreign References:
JPH11285411A1999-10-19
JPH11290118A1999-10-26
JP2001104047A2001-04-17
JPS54108199U1979-07-30
JPH0334413U1991-04-04
JP2002262927A2002-09-17
US6021784A2000-02-08
Other References:
See also references of EP 1431204A1
Attorney, Agent or Firm:
Watanabe, Kazutoyo (25-8, Nakano 2-chome Nakano-ku, Tokyo, 164-0001, JP)
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