Tethering apparatus and inertia locking reel

A - Human Necessities – 62 – B

Patent

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Details

A62B 35/00 (2006.01) A01K 97/00 (2006.01) A62B 35/04 (2006.01) B60R 22/36 (2006.01)

Patent

CA 2367311

A tethering apparatus (14) including a harness (15), an anchor (16) and a line member (17) wherein said line member (17) connects said harness (15) to said anchor (16), further including a spool (19) about which the line member (17) is wound, said spool (19) having an inertia lock (18) for arresting the spool (19) when the line member (17) is unwound from the spool (19) at a rate above a predetermined value. The inertia lock (18) preferably includes a housing having an inner surface in the form of a ratchet (32), and a pawl (37) mounted for rotation about an axis substantially parallel to and offset from the axis about which the spool (19) rotates and wherein said pawl (37) is biased to a disengaged condition where the pawl (37) is disengaged from the ratchet (32) and wherein said pawl (37) engages the ratchet (32) and arrests the spool (19) when the line member (17) is unwound from the spool (19) at a rate above a predetermined value.

La présente invention concerne un dispositif de retenue (14) comprenant un harnais (15), un ancrage (16) reliés entre eux par une ligne vive (17). Ce dispositif comporte notamment un enrouleur (19) recevant la ligne vive (17) et pourvu d'un frein à inertie (18) retenant le dérouleur (19) lorsqu'il débite la ligne vive (17) à une vitesse dépassant une limite définie. Ce frein à inertie (18) est constitué de préférence, d'une part d'un carter dont la surface intérieure tient lieu de crémaillère (32) et d'autre part d'un cliquet (37) monté de façon à tourner autour d'un axe sensiblement parallèle à l'axe de rotation du dérouleur (19), mais décalé par rapport à lui. En l'occurrence, le cliquet (37) est sous charge de ressort tendant à déclencher le cliquet (37) de la crémaillère (32). Par contre, dès que le dérouleur (19) débite la ligne vive (17) à une vitesse dépassant une limite supérieure définie, le cliquet (37) s'enclenche dans la crémaillère (32), ce qui bloque le dérouleur (19).

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