发明授权
US4378921A Negative rotation cinch strap 失效
负旋转束带

Negative rotation cinch strap
摘要:
An improved unitary parachute torso harness, having a single fastening me, wherein an auxiallary tightening strap is attached to the groin straps of said harness. Said auxillary straps are used to prevent torso rotation or harness slippage and to prevent harness elongation in the groin and chest area.
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