The phrase "belt force" refers to the strength or pressure that is exerted by a belt or strap when it is pulled tight. It describes the tension or resistance that the belt applies when it is used to secure or hold something in place. Full definition
3 - point seat belts - inc: outboard emergency tensioning device front adaptive belt force limiters front height - adjustable (avantgardeautogroup.com)
The integrated MINI safety concept also includes a standard fitting of six airbags, three - point automatic belts on all seats including belt tensioners and adaptive belt force limiters at the front and ISOFIX children's seat attachments at the rear tire pressure display for each individual wheel is also included as standard. (topspeed.com)
Apart from frontal and hip / thorax airbags, the Occupant Safety Package featured in BMW ActiveHybrid 7 also comprises curtain head airbags at the side as well as three - point inertia - reel automatic seat belts with belt force limiters on all seats and a belt latch function at the front. (topspeed.com)