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Hinge structure with rotary actuator

A technology of hinge structure and action components, which is applied in the field of hinges and can solve problems such as difficult initial operation speed and small operation force

Inactive Publication Date: 2004-07-07
NIFCO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both methods are difficult to obtain suitable initial operating speed, sufficiently small operating force, and smooth operation throughout the entire stroke of operation.

Method used

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  • Hinge structure with rotary actuator
  • Hinge structure with rotary actuator
  • Hinge structure with rotary actuator

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The present invention will be described in detail below with reference to the accompanying drawings.

[0018] figure 1 This is an external view of a mobile phone to which the present invention is applied. The mobile phone 1 comprises a microphone part 2 provided with a keyboard, a speaker part 3 provided with an LCD panel, and a hinge 4 connecting the two parts so as to be foldable relative to each other. Since the basic structure of the telephone apparatus is well known, its description will be omitted hereinafter.

[0019] refer to figure 2 and image 3 , the cylindrical housing 12 is made of metal such as stainless steel, and has an inner diameter of approximately 7.4 mm, and its left open end is provided with an inward radial flange. The flange is formed by drawing and serves to hold the internal components in place. A cam follower 15 is fixed at the left end of the housing 12, which includes a main body portion 16 having a relatively small diameter and a flan...

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PUM

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Abstract

In a hinge structure suitable for a twofold mobile telephone, at the opening initial stage, the pushing action of an operation member is converted by a cam-cam follower mechanism into the rotational motion of a hinge. Therefore, an unexpected reaction due to the inertial force acting between two portions to be opened can be avoided to ensure a suitable opening action without any shock. Especially, the hinge is biased in an opening direction by a spring force, so that the hinge is usually kept in a closed state by bringing the clutch coupling into engagement. That the hinge can be driven in the opening direction by the spring by pushing the operation member and releasing the clutch coupling.

Description

technical field [0001] The present invention relates to a hinge for connecting two parts so that the two parts can move angularly relative to each other, and more particularly to a hinge structure combined with a rotary actuator and an elastic drive mechanism, so that one of the parts can be moved angularly relative to each other. Folds and unfolds relative to another part. Background technique [0002] Most existing portable telephones are provided with a microphone part and a speaker part which are connected by a hinge so that they can be opened during use and folded when not in use. In order to improve the convenience of such a foldable telephone device, Japanese Patent Application Laid-Open No. 8-125725 discloses a hinge opening / closing device, which can stabilize the two parts of the telephone device in a closed or folded state It is easy to hold and can be easily opened or opened by using only one hand. In this hinge opening / closing device, a torsion coil spring is u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05D11/10E05F1/12G06F1/16H04M1/02
CPCH04M1/0218E05D11/1007G06F1/1616G06F1/1681H04M1/0216E05Y2900/606G06F1/1679E05F1/1215E05Y2999/00H04B1/38
Inventor 川元正信
Owner NIFCO INC