US PATENT SUBCLASS 198 / 331
.~.~.~ With means synchronizing the operation of the steps and a handrail


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



198 /   HD   CONVEYORS: POWER-DRIVEN

321  DF  CONVEYOR OR ACCESSORY THEREFOR SPECIALIZED TO CONVEY PEOPLE {5}
326  DF  .~ By stairway having steps forming an endless member {6}
330  DF  .~.~ With drive means {1}
331.~.~.~ With means synchronizing the operation of the steps and a handrail


DEFINITION

Classification: 198/331

(under subclass 330) Device wherein the system is provided with a moving hand supporting and guiding structure and means are provided for moving the steps and the hand support structure in unison.