(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