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A cone crusher includes outer and inner cones (2, 3) with a discharge slot (5) between them, a shaft (7) of the inner cone (3), a means for adjusting the size of the discharge slot (5) and a means for imparting gyrations to the inner cone (3). The means for adjusting the size of the discharge slot (

A cone crusher includes outer and inner cones (2, 3) with a discharge slot (5) between them, a shaft (7) of the inner cone (3), a means for adjusting the size of the discharge slot (5) and a means for imparting gyrations to the inner cone (3). The means for adjusting the size of the discharge slot (5) is a reciprocation mechanism (12) and the means for imparting gyrations to the inner cone is an unbalanced vibrator (17).

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A cone crusher comprising a housing (1); hollow outer cone (2) fixed in said housing (1); an inner cone (3) accommodated within said hollow outer cone (2) and defining a discharge slot (5) therebetween, mounted for rotation about its axis and gyrations about a center (11) belonging to the axis of sa

A cone crusher comprising a housing (1); hollow outer cone (2) fixed in said housing (1); an inner cone (3) accommodated within said hollow outer cone (2) and defining a discharge slot (5) therebetween, mounted for rotation about its axis and gyrations about a center (11) belonging to the axis of said outer cone (2); a shaft (7) extending coaxially with said inner cone (3) and fixed therewith; means for adjusting the size of the said discharge slot (5), including a mechanism (12) for reciprocating said shaft (7) axially of said outer cone (2), having a power member (13) operatively connected with a free end of said shaft (7) of said inner cone (3) through a self-aligning spherical joint (14), and means for imparting gyrations to said inner cone (3), mounted on said shaft (7) for sliding therealong and rotating thereabout, operatively connected with a drive through a bevel gear couple (18, 19) of which a drive gear (19) is arranged concentrically with the line of travel of said power member (13) of said reciprocation mechanism (12) and has a central bore (21) whose diameter exceeds the diameter of said shaft (7) of said inner cone (3), said means for imparting gyrations to said inner cone (3) being an unbalanced vibrator (17) having a spherical bearing surface (23), said central bore (21) of said driven gear (19) having thereabout a peripheral supporting spherical edge adapted for operative interaction with said spherical bearing surface (23) of said unbalanced vibrator (17) to define therewith a self-aligning spherical joint, an end face of said driven gear (19) carrying a driver (25) adapted to engage said unbalanced vibrator (17) for transmitting the driving torque thereto.