Astec Industries, Inc.

Telsmith, Inc.

Edward H Breiling

James C Bremer

Jen Yun

Apparatus for adjusting a conical concave crushing bowl of a gyrasphere crasher relative to a conical convex crashing head of the gyrasphere crasher includes a plurality of lugs connected to the conical concave crashing bowl; a bushing i) connected to the conical convex crashing head and ii) defining a bushing axis; and ii) defining a bushing axis a swivel bracket i) circumscribing an elongated trans cylinder release stud ii) defining a swivel axis that is coaxial with the bushing axis iii) adjacent the elongated bushing and iv) freely radially repositionable with regard to the swivel axis; and a tensioner having a proximal end attached to the swivel bracket and a distal end removably attached to one of the plurality of lugs. A method of adjusting the conical concave crashing bowl relative to the conical convex crashing head includes shortening the tensioner so as to rotate the conical concave crashing bowl relative to the conical convex crushing head.

Adjuster mechanism for gyrasphere crusher concave

A horizontal vibrating multi-deck screen apparatus for separating different sizes of materials of generally the same type. The apparatus includes a first or upper screening basket and a second or lower screening basket. The upper screening basket has a feed chute at one end and a discharge chute at the opposite end. Each screening basket has at least one screen deck thereon for conveying and screening material. The two baskets are connected by a spring-type coupling system, including coil springs and fiberglass leaf springs. The two baskets together are supported by known types of support spring systems installed between the upper basket only and a base frame. Hence each basket constitutes one mass and each spring system one spring of a two-mass two-spring system. A pair of shaker motors mounted directly, one on each side, on the lower basket inputs a straight-line sinusoidal exciting force to the system. The exciting force and the spring forces are transmitted to both baskets and induce vibrations. By adjusting and controlling the masses of the baskets, the spring rates of the two spring systems and the magnitude of the exciting force, the desired vibrations will be achieved, with the operating frequency maintained near but below the upper natural frequency of the apparatus.

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West Allis, WI, United States of America

Edward H Breiling