US Patent: 87,421
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Improvement in Plow-Clevises
Improvement in Clevises for Plows and Other Agricultural Implements
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Patentee:
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| E. G. Matthews (exact or similar names) - Newton, MA |
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Patent Dates:
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| Granted: |
Mar. 02, 1869 |
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Patent Pictures:
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Patent 87,421 -- edited image |
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Stan Schulz
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Description: |
| The design is to facilitate pulling a plow or other implement with three horses abreast, and to the left of the line of draft. The components include an off-center cross-clevis and a draft rod connecting the outer end of the cross-clevis to the plow beam. One or both of the side plates include a flange to support the draft-wheel. The patent includes a spring-pin.
Holbrook was marketing plows incorporating this clevis at Boston. |
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