US Patent: 2,447,094 
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| Helical Spring Actuated Sliding Side Jaw Wrench
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	        Patentee:
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 | Royal H. Schlote (exact or similar names) - Milwaukee, WI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Jan. 10, 1947 | 
 
| Granted: | 
Aug. 17, 1948 | 
 
 
 
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		  Patent Pictures:
	      
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Royal H. Schlote Patent August 17, 1948  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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        Description: |  
| The side slide drives a helical slot in a shaft which transfers power through bevel gears to a worm that adjusts the movable jaw.
The specifications cite patent nos. 703,898, 1,354,782, 1,391,180 and 1,739,182 as references. |  
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