HYDRAULIC HAMMER DEVICE FOR EXCAVATORS
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Sep 30, 2013
filing date -
Oct 3, 2012
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Abstract
A hydraulic hammer device for excavators comprising at least one ripper (1) and an energy accumulator (4); where the energy accumulator (4) is located on the longitudinal shaft of the ripper (1) and integrally connected to said ripper (1); and where said shaft is on that which attacks the ground between the retracted and deployed positions of the ripper (1) and which is characterized in that it comprises a cylinder (2) or two cylinders (2,3) integrally connected to the ripper (1) inside same.
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