Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1979-09-06
1981-11-24
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 3106
Patent
active
043016251
ABSTRACT:
A vibratory finishing machine has a bowl structure supported by elastomeric mounts, and a drive system for vibrating the bowl structure about a node point located along a vertical center axis of the bowl structure. Each of the elastomeric mounts has one portion secured to the bowl structure, and another portion secured to a base structure. The one and another portions define an axis of each mount. The mounts are located in a horizontal plane in which the node point lies and are arranged such that their axes intersect the center axis above the node point. The intersection point lies near or at the center of mass of a loaded bowl structure. The bowl structure includes a replaceable liner of simpler construction than prior replaceable liners. An adjustable eccentric weight assembly permits the gyratory characteristics of the bowl structure to be changed to meet different operating requirements. An improved unloading system includes a handle-actuated pivotal ramp member formed of a synthetic material, the ramp member having steps formed on its surface. A screen assembly includes a support structure which ensures that effective media/workpiece separation occurs.
REFERENCES:
patent: 3464674 (1969-09-01), Pick
patent: 3708918 (1973-01-01), Pool
patent: 3877178 (1975-04-01), Campanelli
patent: 4001979 (1977-01-01), Elkins
patent: 4042181 (1977-08-01), Huber
Rampe Research
Whitehead Harold D.
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