Hinge

A technology of hinges and hinge boxes, applied in the field of hinges, which can solve the problems of loud action noise, hinge box falling out, and easy wear and tear, and achieve the effects of reducing action sounds, impact sounds, and wear

Inactive Publication Date: 2007-07-18
SHIMONISHI GIKEN KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the above-mentioned conventional hinges have a structure in which torque is applied in an unnecessary range, not only the cams and sliders are severely worn, but also there is a problem of loud operation noise.
In addition, when riveting the end of the metal fulcrum on the hinge box freely rotatably pivotally connected to the rotating arm to prevent it from coming out, the riveted part may be exposed and cause injury, especially when a thick manuscript is placed. The hinge box may come out of the base when
In addition, there are still problems such as that the slider is difficult to slide smoothly, is easy to wear, and makes an abnormal sound due to mutual interference with the spring.

Method used

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Embodiment Construction

[0038] Fig. 1 is a drawing showing an embodiment of the hinge of the present invention. 1 is a hinge box, 2 is a rotating arm, 3 is a fulcrum, 4 is a cam, 5 is a slide block, and 6 is a spring.

[0039] The above-mentioned hinge box 1 is vertically slidably inserted into a fixed-side member S of a main body of an apparatus such as a copier. The anti-dropping pin 7 is installed and fixed on the lower end of the hinge box 1 by means of screwing in or pressing in. The anti-dropping pin 7 extends into the long hole S' provided on the fixed side member S. Therefore, the above-mentioned hinge box 1 can only move up and down within a prescribed stroke.

[0040] The above-mentioned rotating arm 2 is pivotally connected to the upper end of the above-mentioned hinge box 1 through the support shaft 3 in a freely rotatable manner. As shown in FIG. 2, if the support shaft 3 is made of metal, at least one end thereof is riveted 3a to prevent it from coming off. In order not to expose th...

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PUM

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Abstract

The aim of the invention is to provide a hinge for reducing sound of wear and operation. The solution is in that an off / on side part, e.g., an off / on cover is arranged on a rotatable arm which is freely rotatably pivoted on a hinge box of a fixing side part in a body of a copying machine, etc., via a fulcrum. The hinge for applying moment of force on the off / on side part in an open direction comprises: a cam integrally arranged below a base part of the rotatable arm, a slide block received within the hinge box and the slide block can slide vertically, and a spring received within the slide block and contacting with the cam, elastically. Accordingly, the moment of force can be performed on the rotatable arm in the open direction when the rotatable arm switches from an off state to an on state with a designated angle.

Description

technical field [0001] The invention relates to a hinge in which an opening and closing side part is mounted on a movable arm of a hinge box which is rotatably pivotally connected to a fixed side part, and a moment in an opening direction is applied to the opening and closing side part. Background technique [0002] The conventional hinge is a hinge that is freely swingably connected between the base and the movable part, and exerts a moment in the opening direction on the movable part. Snap-fit ​​casing (hinge box); a cam base (rotation arm) connected to the above-mentioned casing by snap-fitting with any other of the above-mentioned movable part or the above-mentioned base part; Among them, a plunger (slider) having an inclined surface approaching the swing axis of the cam base from the front in the opening direction to the rear in the opening direction; accommodated in the housing and pressing the plunger in a direction close to the swing axis Elastic body (spring): Swin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00F16C11/00F16G13/00
CPCE05Y2201/638E05F1/1261E05Y2201/416Y10T16/5383E05Y2900/608
Inventor 胜又勉
Owner SHIMONISHI GIKEN KOGYO KK
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