EP 0819208 B1 20020619 - PICK HOLDER EXTRACTION
Title (en)
PICK HOLDER EXTRACTION
Title (de)
ZIEHVORRICHTUNG FÜR EINEN MEISSELHALTER
Title (fr)
EXTRACTION D'UN PORTE-PIC
Publication
Application
Priority
- US 9604532 W 19960403
- ZA 952855 A 19950406
Abstract (en)
[origin: WO9631682A1] A pick holder (110) is frictionally seated via a round cylindrical barrel (112) in a pick box of a continuous miner. A pick is in operation rotationally located in a bore (114). The bore (114), toward a rear thereof, has an internal, inwardly projecting screw thread (30). When the pick has been removed, the pick holder (110) is extracted from the pick box by screwing a screw threaded shank into the screw thread (30), and applying an extracting force via the shank and the interengaged screw threads to the pick holder (110).
IPC 1-7
IPC 8 full level
E21C 35/19 (2006.01); E21C 35/197 (2006.01); E21C 35/18 (2006.01)
CPC (source: EP)
E21C 35/188 (2020.05); E21C 35/19 (2013.01); E21C 35/197 (2013.01)
Designated contracting state (EPC)
DE FR GB SE
DOCDB simple family (publication)
WO 9631682 A1 19961010; AU 5326896 A 19961023; AU 716518 B2 20000224; CA 2217500 A1 19961010; CN 1053946 C 20000628; CN 1185192 A 19980617; DE 69621921 D1 20020725; DE 69621921 T2 20030109; EP 0819208 A1 19980121; EP 0819208 B1 20020619; RU 2152516 C2 20000710; ZA 962371 B 19960626
DOCDB simple family (application)
US 9604532 W 19960403; AU 5326896 A 19960403; CA 2217500 A 19960403; CN 96193892 A 19960403; DE 69621921 T 19960403; EP 96909909 A 19960403; RU 97118424 A 19960403; ZA 962371 A 19960325