US Patent: 1,900,922
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| Gripping Face for Chucks and Method Of Making the Same
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Patentee:
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| Leigh R. Evans (exact or similar names) - Elmira, Chemung County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 23, 1930 |
| Granted: |
Mar. 14, 1933 |
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Joel Havens
"Vintage Machinery" entry for Morrison Machine Products, Inc.
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Description: |
| Claim:
A chuck having a stock engaging face provided with wear-resisting portions in which a shallow recess is formed in said iace, and an insert of a hard, brittle metallic material having relatively low tensile strength welded in said recess to the metal of said chuck, with the metal of the chuck forming a reinforcement on all sides except the face of the insert. |
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