Invention Grant
- Patent Title: Pick, in particular a round-shank pick
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Application No.: US15653890Application Date: 2017-07-19
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Publication No.: US10415385B2Publication Date: 2019-09-17
- Inventor: Ulrich Kraemer , Heiko Friederichs , Christoph Haberstroh , Thomas Allgaier
- Applicant: Betek GmbH & Co. KG
- Applicant Address: DE Aichhalden
- Assignee: Betek GmbH & Co. KG
- Current Assignee: Betek GmbH & Co. KG
- Current Assignee Address: DE Aichhalden
- Agency: Burr & Brown, PLLC
- Priority: DE102015101063 20150126
- Main IPC: E21C35/18
- IPC: E21C35/18 ; E21C35/183 ; E21B10/46 ; E21C35/19 ; E21C35/197

Abstract:
A round-shank pick, comprising a pick head and a pick shank, the pick head including a base part and a cutting element, which is connected to the base part and is composed of a hard material, in particular hard metal, wherein the base part has a wear-resistant layer on the outer surface thereof at the connection to the cutting element, which wear-resistant layer covers at least one segment of the outer surface of the base part facing the cutting element and wherein an end face of the wear-resistant layer facing the cutting element is covered by the cutting element. The base part has an axially oriented cut-out for receiving a fastening segment of the cutting element, the base part has a counter surface facing the cutting element and extending around the cut-out, and the counter surface and the end face of the wear-resistant layer form a continuous flat surface.
Public/Granted literature
- US20180003051A1 PICK, IN PARTICULAR A ROUND-SHANK PICK Public/Granted day:2018-01-04
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