a blind hole being disposed in said arched notch and being spaced from {HEAD ~ one end} of said arched notch at a distance approximately 1/4 of {TAIL ~ a transverse width dimension} of said arched notch; said second end of said spring being mounted in said blink hole 
a blind hole being disposed in said arched notch and being spaced from { HEAD ~ one end } of said arched notch at a distance approximately 1/4 of { TAIL ~ a transverse width dimension } of said arched notch ; said second end of said spring being mounted in said blink hole
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH