The hanging chains are attached to a rubber wheel of their own and when that switch is flipped, a pneumatic cylinder lowers the chainwheel. It presses against the tire sidewall, which gets the ...

Known as automatic tire chains and sometimes referred to by brand names like Onspot or Insta-Chain, these chains essentially hang listlessly from the vehicle’s suspension until inclement weather ...

Structural engineers are familiar with seventeenth-century scientist Robert Hooke's theory that a hanging chain will mirror the shape of an upstanding rigid arch. However, new research now ...