US PATENT SUBCLASS 474 / 53
.~.~.~ Pulleys on spaced axes


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

Internet Version by PATENTEC © 1999      Terms of Use



474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

47  DF  PULLEY WITH EXPANSIBLE RIM MEANS OR PULLEYS WITH ALTERNATELY USEABLE NESTABLE RIMS {2}
49  DF  .~ Structure for variably adjusting radius of rim section {5}
52  DF  .~.~ Including means interconnecting plural pulleys for simultaneous adjustment {1}
53.~.~.~ Pulleys on spaced axes