| 摘要 |
This patent discloses a system to release a seatbelt in a vehicle automatically. The system may include a seatbelt sensor, mishap sensors, a controller, and a guillotine unit. The controller may communicate signals with the seatbelt sensor and mishap sensors and the guillotine unit may receive signals from the controller. The guillotine unit may include a webbing guide, a gas chamber having a supply of pressurized gas, and a gas supply line connected between the webbing guide and the gas chamber. The webbing guide may include spring biased piston and a blade attached to the piston at a positioned above a seatbelt webbing of the seatbelt. On receiving a cut signal from the controller, pressurized gas from the gas chamber may be released to cause the piston to move the blade through the seatbelt webbing to slice through seatbelt webbing.
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