| US Patent: 3,965,765 
 | 
| Pulley | 
| 
| Patentees: |  
 | Bernard D. Vaillette (exact or similar names) - Leominster, Worcester County, MA |  | William E. Zastawny (exact or similar names) - Grafton, Worcester County, MA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
 | 
| Patent Dates: |  
| Applied: | Mar. 17, 1975 |  
| Granted: | Jun. 29, 1976 |  USPTO (New site tip)
 Google Patents
 Report data errors or omissions to steward 
                        Joel Havens
 "Vintage Machinery" entry for Heald Machine Co.
 "Vintage Machinery" entry for Cincinnati Milacron, Inc.
 
 | 
| 
| Description: |  | Abstract;
A pulley whose outer surface is in the form of three tapered portions selected for use with a flat belt. |  |