US Patent: 115,795
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| Improvement for Slotting Machines
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Patentee:
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| William H. Warren (exact or similar names) - Worcester, Worcester County, MA |
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Patent Dates:
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| Granted: |
Jun. 06, 1871 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Wood, Light & Co.
Vintage Machinery entry for Wm. H. Warren
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Description: |
| Abstract:
This invention has relation to slotting-machines, and is designed to obviate the drag or friction of the cutting-edge of the slotting tool against the edge of the slot during the upward movement of the slotting bar. In ordinary slotting-machines the cutting-tool is secured directly to the slotting-bar, and with it has only a vertical movement, ascending in precisely the same line as it descends. The consequence is, therefore, that the edge of the cutting-tool rubs against the surface which it has cut when it ascends, and thereby injures not only the tool, but the work also. My improvement consists in the attachment of the cutting-tool to a block, so pivoted as to rock to and fro and by means of suitable devices connected therewith, relieve the tool from the injurious friction.
Claim:
In a slotting machine, the rocking block Ef, in combination with the rectifying-slide H, the lever k, and the friction-clutch J M, or its equivalent, |
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