Patent ID: 9636528
Date: 2017-05-02
CPC Classifications: A62B,F16B,Y10T

Claim:
1. A rope grab comprising: a housing having a body and an elongated member guide forming an elongated member passage, the elongated member passage configured and arranged to receive an elongated member; a locking cam pivotally coupled to the housing body at a first pivot point, the locking cam configured and arranged to selectively engage the elongated member received in the elongated member passage, the locking cam having a radial edge that is configured and arranged to engage the elongated member, the radial edge having a curvature that varies in relation to a pivot connection to the housing so that the radial edge engages the elongated member at a contact angle that is the same for a range of different diameters of the elongated member received in the elongated member passage of the housing; and a locking arm pivotally coupled to the housing body at a second pivot point in the housing body positioned at a different location than the first pivot point, the locking arm having a first end configured and arranged to be coupled to a safety harness of a user and a second end configured and arranged to selectively engage the locking cam to lock the locking cam on the elongated member during a fall event.