| 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: |  |
 | E. G. Matthews (exact or similar names) - Newton, MA |  
 
 
 
 
 
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| Patent Dates: |  
| Granted: | Mar. 02, 1869 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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	        ] |  |  |  | Patent 87,421 -- edited image |  Google Patents
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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. |  |