Patent ID: 7959135

Claim:
A shock absorbing device comprising: a hollow spring comprised of a springy material; distal sealing means for sealing a distal end of said hollow spring; proximal sealing means for sealing a proximal end of said hollow spring; and a shock absorber including: a cylinder mounted in a proximal mount of said proximal sealing means; and a piston assembly having a piston, a piston rod and a piston assembly distal end, said piston slidably engaging said cylinder, said piston rod extending through and slidably and sealingly engaging a distal mount of said distal sealing means, said piston assembly distal end including a contacting means for urging said distal mount and said hollow spring distal end proximally when said contacting means is forced against said distal mount and for urging said piston assembly distally when said distal mount is forced against said contacting means.