Shock absorber comprising a metal peripheral frame spaced apart from and surrounding a planar block of {HEAD ~ resilient material} contacting {TAIL ~ substantially all the inside surface} of said frame, said resilient block having a cylindrical aperture to receive a pivot pin, 
contacting
Shock absorber comprising a metal peripheral frame spaced apart from and surrounding a planar block of { HEAD ~ resilient material } contacting { TAIL ~ substantially all the inside surface } of said frame , said resilient block having a cylindrical aperture to receive a pivot pin ,
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