HINGE DEVICE - SUGATSUNE KOGYO

Title:

HINGE DEVICE

Document Type and Number:

WIPO Patent Application WO/2001/075258

Kind Code:

A1

Abstract:

A hinge device, comprising a cam part (5) having first to fifth arc surfaces (51 to 55), wherein the first arc surface (51) is disposed so that, when a cover body (C) of a cell phone is positioned at neutral, a leaf spring part (22) comes in contact also with a crossing part (56) with an orthogonal (Lp) passing through the center of curvature of the first arc surface (51) and crossing at right angle to a rotating axis (L), the second and third arc surfaces (52, 53) are disposed on both sides of the first arc surface (51), and the radii of curvatures of the second and third arc surfaces are reduced less than the radius of curvature of the first arc surface (51).

Inventors:

OSHIMA KAZUYOSHI (JP)
IMAI KATSUYA (JP)

Application Number:

PCT/JP2001/002142

Publication Date:

October 11, 2001

Filing Date:

March 16, 2001

Export Citation:

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Assignee:

SUGATSUNE KOGYO (JP)
OSHIMA KAZUYOSHI (JP)
IMAI KATSUYA (JP)

International Classes:

E05F1/12; E05D11/10; F16C11/10; G06F1/16; H05K5/02; H05K5/03; H04M1/02; (IPC1-7): E05D11/10; F16C11/10

Foreign References:

JPH08121462A	1996-05-14
JPH07133686A	1995-05-23
JPH11230155A	1999-08-27
JPH08317027A	1996-11-29

Other References: