US Patent: 1,963,827
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| Variable Speed Unit Control
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Patentee:
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| Harry C. Clay (exact or similar names) - Columbus, Bartholomew County, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 09, 1930 |
| Granted: |
Jun. 19, 1934 |
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Joel Havens
"Vintage Machinery" entry for Reeves Pulley Co.
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Description: |
| Abstract:
The present application relates to a variable speed unit control, and more particularly to means for controlling the setting of a variable speed unit in response to the demands of mechanism driven through said unit. The primary object of the invention is to provide means of the character described which shall be highly sensitive to demands of the master mechanism, which shall be sufficiently resilient in character to prevent damage as the result of sudden large demands, and which shall be unusually efficient in operation.
Claim:
The combination with a reversing motor and its circuits, of a control unit comprising a base, a carriage rockabilly mounted on said base, circuit-12 closers mounted on said carriage and connected12 in said motor circuits, said circuit-closers being arranged and connected to cause clockwise rotation of said motor upon tilting of said carriage in one direction from its neutral position, and to t cause counterclockwise rotation of said motor upon tilting of said carriage in the opposite direction from its neutral position, a lever mounted on said base and co-operable with said carriage to tilt the same, and means mounted on said base for operating said lever, said means comprising an element movable to shift said lever, and a second element pivotally connected with said firs t element and movable to restore said lever to its original position after such shifting without affecting said first element. |
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