| 摘要 |
Each of two risers is composed of a number of braided cords that are woven together. Each cord of one of the risers has a slit located where the two risers converge. Each slit provides communication with a concentric cavity in that cord. Each opposing cord for the other riser is inserted through the slit and has a section which lies in the cavity. When tension is applied, the braided cord enclosing the cavity radially constricts and the friction of the cavity walls holds the enclosed cord section in the cavity. The cords enclosing cavities continue on to become suspension lines connected to the parachute canopy. In one embodiment, each cord lying inside another terminates inside the cavity. Alternatively, the cord lying inside the cavity exits the cavity through a second slit and continues on to become another extension line. To connect the risers to an article to be decelerated by the parachute, the cords for both risers have slits near their ends. Each slit communicates with a concentric cavity. The length of each cord lying beyond the slit doubles back and is inserted through its own slit to lie inside its cavity. A loop is thus formed at the end of the riser for attachment to the article. When tension is applied to the riser, the cord section containing the cavity radially constricts and presses against the enclosed cord section to prevent it from being pulled out of the cavity.
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