Head and back protector for bicyclist has back pack supporting extendable protective hood on pivoted frame

摘要

The head and back protector for a bicyclist (2) has multiple protective hoops pivoted on a guide rod and on holders. The protector is mounted in a safety casing (35) attached to a rucksack (3) on a carrying harness. The hoops are driven by a spring with an impact sensor to release a stop.