US PATENT SUBCLASS 156 / 417
.~.~.~ Collapsible

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

349  DF  SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34}
394.1  DF  .~ Tire body building type {14}
414  DF  .~.~ Building drums, per se {3}
417.~.~.~ Collapsible {3}
418  DF  .~.~.~.~> Rack and pinion type actuator
419  DF  .~.~.~.~> Resilient spring actuated
420  DF  .~.~.~.~> Toggle linkage lever type actuator

DEFINITION

Classification: 156/417

(under subclass 414) Apparatus in which the building drum is provided with means to reduce its diameter either by disassembling or shifting the relative position of the elements which make up the periphery of the drum.