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					| Patent    D815218 |  
					| Priority Nov 20 2015 |  
					| Filed Oct 27 2017 |  
					| Issued Apr 10 2018 |  
					| Expiry Apr 10 2033 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 17 |  
					 | 51 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a rocking mechanism for an exercise chair, as shown and described. | 
 
	
FIG. 1 is a perspective view of the rocking mechanism for an exercise chair;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is an opposite side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is another side view thereof; and,
FIG. 9 is another side view thereof.
The broken lines illustrate environmental structure and form no part of the claimed design.
	
	Osler, Turner
	
	
	  
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