Drive unit and control
United States Patent 3129607
US Patent References:
/1268264.html
- - 1268264

Limit switch
- - 1601346

Excavating shovel
- - 2258478

Floor selector for elevators
- - 2279220

Selective switch
- - 2545172


Inventors:
Schaefer, Edward J.
Publication Date:
04/21/1964
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Assignee:
FRANKLIN ELECTRIC CO INC
Primary Class:
74/665GA
Other Classes:
318/469, 5/618, 200/4, 74/405, 192/71, 74/421R, 5/617, 200/47, 192/40, 5/616, 5/611, 74/365
International Classes:
A61G7/018; A61G7/002
US Patent References:
2630719Transmission mechanism having selectively driven output shafts
2695339Circuit controller
2724281Self-adjusting friction clutch and reversing mechanism
2762200Respirator pumping apparatus
2772578Power transmission with declutching provision for manual operation
2886094Seat adjusting mechanism
2913300Mechanically controlled electric bed
2922462Four-way seat actuator
3030478Circuit controllers