Abstract

The present invention relates to a portable power-driven system, such as an ascender/descender arrangement, specifically in relation to means for ensuring that a rope used in relation to the portable power-driven system is securely handled when in the operational state.

IPC Classes  ?

• B66D 1/74 - Capstans
• A62B 1/06 - Devices for lowering persons from buildings or the like by making use of rope-lowering devices
• B66D 1/36 - Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
• B66D 3/04 - Pulley blocks or like devices in which force is applied to a rope, cable or chain, which passes over one or more pulleys, e.g. to obtain mechanical advantage
• B66D 3/20 - Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing

Abstract

The present invention relates to a rope grab arrangement comprising a rope grab [100] for advancing a rope [302], the rope grab arrangement being configured to provide an increased friction between the rope grab and the rope for allowing use of multitude of different types of ropes. The invention also relates to a portable power driven arrangement [300] comprising such a rope grab arrangement.

IPC Classes  ?

• B66D 1/74 - Capstans
• A62B 1/10 - Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated