US PATENT SUBCLASS 242 / 609.1
.~.~.~.~ Mechanical joint or fastener

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
600  DF  .~ Spool or core {12}
607  DF  .~.~ Particular component connection {4}
609  DF  .~.~.~ Hub components {2}
609.1.~.~.~.~ Mechanical joint or fastener {2}
609.2  DF  .~.~.~.~.~> Threaded fastener (e.g., bolt or screw)
609.3  DF  .~.~.~.~.~> Rotatable joint (e.g., threaded or bayonet fit)

DEFINITION

Classification: 242/609.1

Mechanical joint or fastener:

(under subclass 609) Subject matter wherein the joining means connecting the hub components includes compound interlocking surfaces formed on at least one of the components.

(1) Note. For placement in this and the indented subclasses, the joint should include a retaining surface transverse or oblique to the direction in which the components are introduced for assembly.