| 摘要 |
2128718 9314824 PCTABS00024 A fall arrest lanyard (20, 200) for use by a worker (22) at an elevated position on a pole, e.g., a telephone pole (26). The lanyard (20, 200) comprises a flexible strap (30) and a pair of gripping units (32A, 32B and 202A, 202B). The strap (30) is arranged to be releasably connected to the worker (22) to form a loop encircling the pole. Each of the gripping units (32A, 32B and 202A, 202B) comprises an elongated, arcuate tubular member (40) having a handgrip (42) at one end and at least one pole penetrating means (44) spaced from the handgrip (42). The strap (30) extends through both tubular members (40). Each penetrating member (44, 204, 206) is made up of an enlarged head having a plurality of larger upper teeth (52) and a plurality of smaller lower teeth (54). Each tooth has a horizontally disposed cutting edge (50A). The gripping units (32A, 32B and 202A, 202B) are arranged to be manipulated by the worker grasping the handgrips (42) to cause the cutting edges (50A) of all of the teeth to penetrate into the material of the pole (26).
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