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    • 7. 发明公开
    • ROPE GRAB
    • EP4212211A1
    • 2023-07-19
    • EP23151533.9
    • 2023-01-13
    • Sherrill, Inc.
    • Stroshane, Alexander P.Wood, Caitlin J.
    • A62B1/14A62B35/00
    • The rope grab (10) uses friction to control movement along the rope (3). A brake (14) has an eye (30) at one end and a foot (32) at the other that extends away at an angle to a rounded toe (60). Optionally, the eye (30) and foot (32) are attached so as to swivel (34). A cam (16) has an oval rocker (100) and a lever (102) that extends from the rocker (100) opposite the rocker surface (110). The rocker surface (110) curves eccentrically about an axis (104), so the rocker (100) behaves like a cam to modulate friction on the rope (3). The rope (3) extends through a slot (24) and is pinched between an operative surface (138) of the rocker surface (110) and the toe (60). The brake (14) and cam (16) are held in the correct position relative to each other between two parallel walls (20, 22) of a housing (12) with the eye (30) and lever (102) extending in generally opposite directions outside the housing (12). Optional springs (164, 192) bias the brake toe (60) and/or operative surface (138) into the slot (24).