US Patent: 5,492,441
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| Clamping Device for Connecting Machine Spindles With Tool Holders
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Patentee:
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| Horst Schürfeld (exact or similar names) - Bielefeld, North Rhine-Westphalia, Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 03, 1995 |
| Granted: |
Feb. 20, 1996 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Gildemeister
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Description: |
| Abstract:
A clamping device for connecting machine spindles or basic holders with tool holders or tools for machining comprises two partible damping elements (38,40;138,140) which are radially displaceable mounted in a holder (24;124) anchored in the machine spindle (10,110) or the basic holder and in the parted position engage behind an encircling clamping shoulder inside the tool holder (12;112). The clamping elements (38,40;138,140) extend crosswise to the longitudinal direction of the tool holder (12;112) and, at their lateral outer ends, have clamping surfaces (48,50,52,54;148,150,152,154) disposed such that all four clamping surfaces of the two clamping elements (38,40;138,140) are each distributed over the periphery of the clamping shoulder at angular distances of approximately 90.degree.
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