| 摘要 |
An automatically inflatable safety collar device comprising a collar made of a "C" shaped control ring resilient rod member, an inflatable rubber tube member surrounding the rod with a first cap attached to one end of said rod and sealing one end of said tube and a second cap with a gas inlet nipple attached to the other end of the rod and sealed to the tube, a generally "C" shaped foamed cushion member of toroidal arc contour hollow through its length split at its inner periphery from inner surface to outer surface and surrounding the tube and a stretchable fabric cover surrounding the cushion, a compressed gas container, a gas release trigger device, a gas transfer pressure line connected between the container and the nipple; and a trigger device operating tether cord attachable to a vehicle.
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