Chain

A chain and end edge technology, applied in the field of low-friction chains, can solve the problems that the wedge film effect cannot be fully exerted and the sliding resistance increases, and achieve the effects of reducing the sliding contact area, reducing the resistance, and reducing the sliding contact resistance
CN102235461AInactive Publication Date: 2011-11-09TSUBAKIMOTO CHAIN CO
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TSUBAKIMOTO CHAIN CO
Publication Date
2011-11-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a chain which enables to effectively reduce sliding contact resistance and wear of the parts that come into sliding contact. The chain (100) comprises multiple link plates (110), (120) which, with front and rear pin holes, are rotatably interconnected and are slidingly contacted by a guide member (150). The edge (121) of at least one link plate (120) that comes into sliding contact forms a convex curvature with continuous curvatures in the direction the chain is extended. Meanwhile, the apex (123) of the edge (121) of the convex curvature is located at a position equidistant from centers of the front and rear pin holes. The convex edge (121) has different curvatures on front and rear sides of the apex.
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Description

technical field

[0001] The invention relates to a low-friction chain used in power transmission mechanisms such as industrial machinery or chain transmission devices such as conveying machinery, in particular to a low-friction chain suitable for timing transmission system chains of automobile engines. Background technique

[0002] In power transmission mechanisms or conveyance machines of automobiles, industrial machines, and the like, a transmission device that transmits power by means of a chain spanned over a drive sprocket and a driven sprocket is generally disposed.

[0003] For example, in an automobile engine, there is a timing transmission system that relies on a chain mounted on a crankshaft sprocket (drive sprocket) and a camshaft sprocket (driven sprocket) for power transmission. and other guide members sliding contact.

[0004] These chains are formed of a plurality of connecting plates formed with a pair of pin-fixing holes, which are shifted in the chain lengt...

Claims

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