Pick having a supporting element with a centering extension
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United States of America Patent
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Aug 11, 2020
Grant Date -
Mar 15, 2018
app pub date -
Nov 17, 2017
filing date -
May 12, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A round-shank pick having a pick head and a pick shank that includes a supporting element pierced along its longitudinal center axis by a mounting hole with an inside diameter for receiving the pick shank. A collar height, measured in the direction of the longitudinal center axis between an end, facing away from the seat surface, of the centering extension and the seat surface or between the end of the centering extension and an inner termination of a recess that is integrally formed in the supporting element in an indented manner with respect to the seat surface, is configured such that the ratio between the inside diameter of the mounting hole in the supporting element and the collar height is less than 8, and/or that the collar height is greater than an axial clearance of the pick mounted in a pick holder.
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