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Mechanical assembly with incompatible metallic materials

A technology of mechanical components and metals, applied in vehicle parts, fishing, animal husbandry, etc., can solve problems such as electrolytic corrosion, achieve the effect of improving corrosion resistance, reducing thickness and weight

Inactive Publication Date: 2008-09-03
SHIMANO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, if the parts of magnesium alloy are joined with parts of other materials, the parts made of magnesium alloy may be electrolytically corroded due to the contact with other materials.

Method used

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  • Mechanical assembly with incompatible metallic materials
  • Mechanical assembly with incompatible metallic materials
  • Mechanical assembly with incompatible metallic materials

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0057] figure 1 is a top view of a dual-bearing reel according to a first embodiment of the present invention.

[0058] The double bearing reel shown in the figure is a lure throwing reel, which includes a reel body 1; a reel rotating handle 2 placed on the first side of the reel body 1; A wheel 3 is placed on a first side of the reel body 1 adjacent to the handle 2 for adjusting the drag. The handle 2 is a two-handle type, and has a plate such as an arm portion 2a, and handle portions 2b rotatably provided at both ends of the arm portion 2a. The outer edge surface of the arm portion 2a is smooth without joints, providing a structure to prevent tangling of the fishing line.

[0059] As shown in FIG. 2, the reel main body 1 includes a frame 5 made of magnesium alloy, and first and second side shells 6 and 7 also made of magnesium alloy. The first and second side shells 6 and 7 are installed on two sides of the frame 5 respectively. The front shell 10 made of magnesium alloy...

no. 2 example

[0098] Although in the first embodiment, the invention has been explained with reference to a double bearing reel, the invention can also be applied to a helical reel.

[0099] Figure 8 to Figure 10 , shows a helical reel according to a second embodiment of the present invention. The spiral reel includes a reel main body 102 rotatably supported on a handle 101 , a rotor 103 and a reel 104 . The rotor 104 is rotatably supported on the front side 102 of the reel body. The line reel 104 is configured to respond to the rotation of the rotor 103, and receives the fishing line on its peripheral surface. The winding drum 104 is also arranged to move the front part of the rotor 103 back and forth in the direction of the rotor shaft.

[0100] The reel main body 102 includes a shell portion 110 supporting the rotor 103 and the winding drum 104 , and a movable cover portion 111 contacting the shell portion 110 through screws. Shell portion 110 is a thin component of magnesium alloy,...

no. 3 example

[0119] Figure 11 Here, the reel 12 is a magnesium alloy member obtained by injection molding according to a die-casting molding process. The winding reel 12 has a dish-shaped flange portion 12a on both sides thereof, and a cylindrical wire winding cylinder portion 12b interposed between the two flange portions 12a. The wire winding drum 12 has an integrally formed hollow circular protrusion 12c located on the inner edge side and the axial center portion of the wire winding cylindrical portion 12b. An aluminum alloy sleeve is press-inserted on the inner edge side of the knob 12c. A bushing 20 is integrated in order to prevent electrolytic corrosion of the coil 12 made of magnesium. The winding spool 12 is secured relative to the winding spool 16 via a sleeve 20 via serrations, non-rotatably. The fixing method is not limited to the concave-convex zigzag connection, and adhesion, injection molding, etc. can be used.

[0120] Such as Figure 12As shown, a metal oxide film 20...

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Abstract

The invention provides a machinery component which comprises a magnesium alloy first component, a metal second component connected with the magnesium alloy component at the clearance and an electrolyze insulation filler which is injected between the first component and the second component. The invention also provides a machinery and a method for installing the machinery component.

Description

[0001] This application is a divisional application of an application with a filing date of December 10, 1998 and an application number of 98125555.8. technical field [0002] The present invention relates to an assembly, and more particularly to an assembly comprising a plurality of components composed of different materials having incompatible ionization properties. Such assemblies can be used in various mechanisms such as fishing rod reels and bicycle related mechanisms. Background technique [0003] The reels installed on the fishing rod for winding the fishing line can be divided into three types: spinning reels; double bearing reels; and single bearing reels. The fishing reel usually includes a reel main body disposed on the fishing rod, and a spool disposed on the reel main body for winding the fishing line. Double bearing reels, single bearing reels and spools are rotatable supported by the reel body. Also, in the spinning reel, the spool is provided to move back a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K89/00B62M3/00A01K89/01A01K89/015B22D17/00
Inventor 人见康弘川崎宪一西村泰
Owner SHIMANO INC
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