US Patent: 5,020,205
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| Freeze Plug Installer Head and Tool Kit Including Same
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Patentee:
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| Gerald A. Wridt (exact or similar names) - Racine, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 23, 1990 |
| Granted: |
Jun. 04, 1991 |
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Stan Schulz
Snap-On Tools Company History
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Description: |
| Emrich & Dithmar - patent attorneys
Abstract
A freeze plug installation tool kit includes a drive tool having a coupling ball and a plurality of selectable carrier heads respectively sized for mating engagement with different-sized freeze plugs and detachably mountable on the coupling ball. Each carrier head has a cylindrical socket with an annular groove in which a split ring is disposed for snap engagement with the coupling ball to retain the ball in the socket. A flexible disk in the socket cooperates with the split ring to limit movement of the ball when it is retained in the socket.
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