(under the class definition) Roll, which (a) includes annular member adjacent the ends, which members surrounding the axis of rotation, (b) includes specific structure for strengthening the roll, or (c) has support for the working surface of the roll which is of greater rigidity near the roll ends than it is between them.
SEE OR SEARCH THIS CLASS, SUBCLASS:
22+, for a roll which includes a sheet, strip, or tube element and means including a ring surrounding the shaft to grip or impale a marginal or edge portion of such element to hold it in the roll assembly.
40+, for a roll with at least two abutting annular elements of substantially the same material axially of one another along the axis of rotation.
45, for a roll with internal anchor for an annular member.
SEE OR SEARCH CLASS
301, Land Vehicles: Wheels and Axles, 23, for a wheel with a demountable rim or detachable wheel section having fastening means for the section in the form of a removable side ring.
403, Joints and Connections, for means connecting a roll to a shaft and
26, for a means connecting two rolls which means is rotatably journalled independently of the connection between the rolls.
