EP 0012711 B1 19820526 - CENTERING AND DRILLING DEVICE WITH RETRACTABLE BUSHING FOR A DRILL
Title (en)
CENTERING AND DRILLING DEVICE WITH RETRACTABLE BUSHING FOR A DRILL
Publication
Application
Priority
CH 1233478 A 19781204
Abstract (en)
[origin: EP0012711A1] 1. Centering and drilling jig, (event device) being composed of a retractable drill bushing (8) which can be placed under the drill of a drilling machine, a drill to which the drill bushing (8) can serve as a guide, this drill being lowered through the drill bushing to carry out the centering of a work piece to be drilled, characterized concerning the automatic manner to position and retract the drill bushing (8) by means of a pneumatic cylinder (4, 5) which supports the drill bushing and which is controlled by a control device (15, 16) which can be actuated by the feeding lever of a drilling machine.
IPC 1-7
IPC 8 full level
B23B 49/02 (2006.01); B25H 1/00 (2006.01)
CPC (source: EP)
B25H 1/0021 (2013.01)
Designated contracting state (EPC)
AT BE DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0012711 A1 19800625; EP 0012711 B1 19820526; AT E1087 T1 19820615; CH 631368 A5 19820813; DE 2962961 D1 19820715
DOCDB simple family (application)
EP 79810100 A 19790920; AT 79810100 T 19790920; CH 1233478 A 19781204; DE 2962961 T 19790920