Selectively engageable control knob
United States Patent 2727406
US Patent References:
/0503747.html
- - 0503747

/0979530.html
- - 0979530

/0991577.html
- - 0991577

Clutch
- - 1430468

Machine handle
- - 2156200


Inventors:
Opocensky, Willard J.
Publication Date:
12/20/1955
View Patent Images:
Download PDF 2727406 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
LIBRASCOPE INC
Primary Class:
74/548
Other Classes:
74/553, 192/114R, 74/547, 192/69.620
International Classes:
G05G1/08; G05G1/00
US Patent References:
2590263Electrical control apparatus