US Patent: 1,434,711
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| Manually-operated broaching machine
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Patentee:
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| Francis J. Lapointe (exact or similar names) - Ann Arbor, MI |
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Patent Dates:
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| Applied: |
Jun. 08, 1921 |
| Granted: |
Nov. 07, 1922 |
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Jeff Joslin
Vintage Machinery entry for American Broach & Machine Co.
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Description: |
| "This invention... has for its object the provision of an inexpensive device of this character particularly adapted for use in service stations and garages for the purpose of broaching out the worn holes in pistons to receive oversize piston pins and also to form new bearings in the larger ends of connecting rods." |
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