| US Patent: 2,120,031 
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| Lubricating Device | 
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| Patentee: |  |
 | Hunter B. McElrath (exact or similar names) - Winston-Salem, NC |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Jan. 19, 1937 |  
| Granted: | Jun. 07, 1938 |  
 
USPTO (New site tip)| Patent Pictures: |  |  |  | Hunter B. McElrath patent June 7, 1938 |  Google Patents
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                        Stan Schulz
 
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| Description: |  | The leaf spring spreader is a sliding wedge operated by a lever with a cam-tipped end. The lubricant (graphited grease) is injected from an outside source. The tool is fairly large scale, and appears to be intended for use on truck suspension springs. 
Corresponding tool is marked, "THE RENSON PRODUCTS CO. CONSHOHOCKEN PA. SPRING CONDITIONER. PATENT PENDING." |  |