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Patent Searching and Data


Title:
DRILL CHUCK ESPECIALLY FOR SDS DRILL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/177472
Kind Code:
A3
Abstract:
The invention concerns the attachment shank for drills in an SDS system used for drills for metalworking, stirrers, chisels, furrow openers, e.t.c Longitudinal grooves /1/, from the interior side of the body /2 /are finished with arched coming outside of the body /2/ walls /3 /, also on the circuit of the body /2 /every 180 ' in the space between longitudinal grooves /1/ and in the same distance from them, in some distance from the end of the shaft, there is on both sides one blind hole /4/ in the hemisphere shaped transverse cross section and oval shaped in the longitudinal cross section, an alternative to this circumferentially and perpendicularly to the body of the axis /2/ there is a groove /5/ similar to trapezoid section shape with rounded or not rounded edges.

Inventors:
DROZD, Rafał (ul.11 - Listopada 32, Kłobuck, PL-41-200, PL)
Application Number:
PL2019/000001
Publication Date:
October 24, 2019
Filing Date:
January 02, 2019
Export Citation:
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Assignee:
P.P.H.U RAF s.c. (ul.11 - Listopada 32, Kłobuck, PL-42-100, PL)
International Classes:
B25D17/02; B01F13/00; B23B31/00
Foreign References:
US5427481A1995-06-27
EP0344121A11989-11-29
EP0181093A11986-05-14
US20160278802A12016-09-29
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