A retractable travel bag handle assembly includes a retractable handle moved in and out of two cylindrical casings fixed to the inside of a travel bag, two socket caps mounted on the travel bag and connected to the cylindrical casings to prevent disconnection of the retractable handle from the cylindrical...http://www.google.co.uk/patents/US5497865?utm_source=gb-gplus-sharePatent US5497865 - Retractable travel bag handle assembly
