| 摘要 |
Break-fall device of a type used in conjunction with a lifeline and carabiner hook or similar means of attachment to a harness, having at least one floating cam and one fixed cam, both enclosed in an external metallic shell, to define a path for the said lifeline which can be blocked by the said floating cam in case of a fall, comprising a means of manual controlled rotation of the floating cam around its pivot in the direction opposite to that locking the lifeline.
|
