Chain belt and method of manufacturing the same
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United States of America Patent
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Nov 23, 2021
Grant Date -
May 16, 2019
app pub date -
Nov 8, 2018
filing date -
Nov 10, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
In a chain belt having: plurality of link plates each provided with a pin hole; plurality of connecting pins to connect a part of the plurality of link plates in an endless annular form by being inserted into the pin holes across the part of the plurality of link plates in a state where the part of the plurality of link plates are overlapped; and a retainer pin welded to an end portion of the connecting pin and engaged with the link plate to prevent the link plate from coming off the connecting pin, the retainer pin is disposed in a posture in which an outer circumferential surface is in contact with an outer circumferential surface of the connecting pin, and a plurality of points on the outer circumferential surface of the retainer pin separated from each other in the circumferential direction are welded to the connecting pin.
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