United States Patent 3196701
Inventors:
Morrow, Harry C.
Publication Date:
07/27/1965
Assignee:
UNITED STATES STEEL CORP
Other Classes:
492/33, 474/191, 198/785, 492/48
International Classes:
B29C70/68; B65G39/071; F16C13/00; B29C70/00; B65G39/00
US Patent References:
| 2772879 | Automatic centering apparatus | | | |