and an occupant restraint system such as a side impact airbag system when an object strikes the side of the vehicle or vice versa the transfer structure serves to transfer the lateral force from the side of the vehicle to the sensor and is designed so that it does not distort upon the application of the lateral force the side impact crash sensor detects the force or acceleration applied to the side of the vehicle and the airbag system connected to the sensor deploys an airbag based on the detected force or acceleration the transfer structure may be constructed to account for mismatch between the point of impact of an object on the side of the vehicle and the location of the sensor application_number US 76879104 A description referring to the accompanying drawings wherein like reference numerals refer to the same or similar elements fig1 and 2 show an all mechanical self contained airbag system for mounting on the side of a vehicle to protect occupants in side impacts in accordance with the invention which is designated generally as 100 the airbag system 100 contains one or more inflatable airbags 110 an inflator assembly 120 a mounting plate 160 for mounting the airbag system 100 on the side of the vehicle and a sensor assembly 140 mounted to the inflator assembly.