United States Patent 3390823
Inventors:
Ott Jr., Robert W.
Publication Date:
07/02/1968
Assignee:
ROCKFORD SERVO CORP
Other Classes:
242/615.200, 242/615.100, 226/22, 226/196.100
International Classes:
B65H23/02; B65H23/038; D06C3/00; D21F1/36; F16C29/02; F16C33/26; B65H23/032; D21F1/00; F16C29/00; F16C33/04
US Patent References:
| 3317101 | Web aligning apparatus for slave and master webs | | | |