US Patent: 4,856,153
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| Spindle Mechanism
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Patentee:
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| Nagle V. Gusching (exact or similar names) - Sidney, Shelby County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 26, 1988 |
| Granted: |
Aug. 15, 1989 |
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Joel Havens
"Vintage Machinery" entry for Monarch Machine Tool Co.
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Description: |
| Abstract
A spindle mechanism is capable of rotating for a rotative tool and is capable of being locked for mounting a nonrotative tool. First and second curvic couplings may be forced into engagement by a large hydraulic force which concurrently unloads a combined thrust and radial bearing at the outboard end of the support. This permits the spindle, when mounting a nonrotative tool, to be rigidly supported in a nonrotative condition. A smaller hydraulic force may be utilized to move the spindle axially inwardly which disengages the first and second curvic couplings and preloads the combined thrust and radial bearing providing a properly preloaded rotational mode of support when the spindle is mounting a rotative tool. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
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