B - Operations – Transporting – 25 – D
Patent
B - Operations, Transporting
25
D
37/9
B25D 17/02 (2006.01) B23B 31/08 (2006.01) B25D 17/08 (2006.01)
Patent
CA 1121155
ABSTRACT OF THE DISCLOSURE A hammer for breaking down strong abrasive materials comprising a body with a movable ram reciprocated by a drive and provided with a socket accommodating a tool intended to break down the materials by impacts during reciprocation of the ram. The end of the tool shank and the contacting bottom of the ram socket have the shape of matching spherical surfaces. The side surfaces of the tool shank and ram socket are separated by an elastic gasket and are made in the form of truncated cones whose larger base faces the working portion of the tool and angles of their cones are smaller than the angles of friction between the adjoining surfaces, the end of the working portion of the tool being provided with a blind hole which ensures better penetration of the tool into the material being broken.
340949
Ermilov Nikolai P.
Fadeev Petr Y.
Fadeev Vladimir Y.
Korobkov Vladlen V.
Kulagin Rim A.
Institut Gidrodinamiki Sibirskogo Otdelenia Akademii Nauk Sssr
Marks & Clerk
Spetsialnoe Konstruktorskoe Bjuro Gidroimpulsnoi Tekhniki Sibirs
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