(19)
(11) EP 0 089 140 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.02.1984 Bulletin 1984/08

(43) Date of publication A2:
21.09.1983 Bulletin 1983/38

(21) Application number: 83301078

(22) Date of filing: 01.03.1983
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 01.03.1982 US 353628

(71) Applicant: ALLIED STEEL & TRACTOR PRODUCTS, INC.
 ()

(72) Inventor:
  • Bouplon, Edward J.
     ()

   


(54) Synchronous vibratory impact hammer


(57) A vibratory impact hammer including a hammer body assemblage suspended by rubber mounts for reciprocal axial movement in a support frame, the rubber mounts providing guiding and damping action of the assemblage in either direction of axial movement without extraneous friction forces acting thereupon, and a pair of synchronously driven eccentric weights which are arranged to provide vibratory movement of the assemblage.






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