Device in impact machines

Details Device in impact machines Device in impact machines

E - Fixed Constructions

21

B

255/40, 255/83

E21B 17/10 (2006.01) E21B 7/20 (2006.01) E21B 17/00 (2006.01)

Patent

CA 2009733

Device in impact machines. The device comprises a number of rods (6) provided with projections (51). The rods are journalled in a surrounding set of tubes (7) by means of elastic bushings (52,53) which are provided with grooves (57) through which said protections can be passed.

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