| US Patent: 20,135 
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| Device for sheltering from dust the lower carrying-pulley of bandsaws | 
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| Patentee: |  |
 | James Balla (exact or similar names) - Richmond, IN |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | May 04, 1858 |  
 
USPTO (New site tip)| Patent Pictures:
	      
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                        Jeff Joslin
 
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| Description: |  | Title is a bit misleading: Straight sawblades are strained by bands that pass over wheels; the lower wheel is oscillated by a pitman arm to create a reciprocating motion of the sawblades. |  |