Shock absorber structure of a castor wheel
Shock absorbing caster provided with an elastomeric member to pr
Shock absorbing caster wheel suspension with frictional vertical
Shock absorbing castor
Shock and vibration isolating caster
Shock resistant caster assembly
Shock resistant caster having pressure plates and centering proj
Spring loaded caster
Spring loaded heavy duty caster system for supporting a fluidize
Sprung castor wheel assembly