(19)
(11)
EP 0 052 102 A1
(12)
(43)
Date of publication:
26.05.1982
Bulletin 1982/21
(21)
Application number:
81900276.0
(22)
Date of filing:
02.06.1980
(51)
International Patent Classification (IPC):
E21B
1/
02
( . )
B25D
17/
28
( . )
B25D
17/
24
( . )
B25J
19/
00
( . )
(86)
International application number:
PCT/US1980/000683
(87)
International publication number:
WO 1981/003518
(
10.12.1981
Gazette 1981/29)
(84)
Designated Contracting States:
AT CH DE FR GB LI NL SE
(71)
Applicant:
CATERPILLAR TRACTOR CO.
Peoria, Illinois 61629 (US)
(72)
Inventors:
PAUL, Frank W.
Seneca, SC 29678 (US)
GETTYS, Terry K.
Pendleton, SC 29670 (US)
(74)
Representative:
Wagner, Karl H.
WAGNER & GEYER Patentanwälte Gewürzmühlstrasse 5
D-80538 München
D-80538 München (DE)
(54)
VIBRATION ISOLATOR DEVICE FOR A PERCUSSION TOOL