Patent ID: 6227307
Filing Date: 2001-05-08
Classification: B25D

Abstract:
A breaker, comprising:a main body including a cylinder, a valve chamber and a distal end holding a proximal end of an impact tool;an outer housing having a bracket connected to said main body, having a cylindrical body connected to said bracket and accommodating said main body while providing a space between said main body and said outer housing;a first inlet and outlet formed on said outer housing, passing through said space, coupled to said main body, supplying said main body with a first fluid and exhausting said first fluid from said main body;a second inlet formed on said outer housing, communicating with said space, supplying said space with a second fluid;a plurality of absorbers of a resilient material disposed within said space to maintain a separation between said outer housing and said main body; anda plurality of nozzles communicating with said space and said second inlet while perforating a front cover of said outer housing in an array oriented toward a tip of said impact tool, ejecting said second fluid filled in said space and supplied through said second inlet, and further comprised of a lower absorber disposed between a lower portion of said main body and said front cover of said outer housing, including a passageway formed on said lower absorber, said passageway communicating with said nozzles and said space.