Lifeline anchor

Details Lifeline anchor Lifeline anchor

1995-10-31

1997-12-23

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Torso harness

52 27, A62B 3500

Patent

active

056998759

ABSTRACT:
An anchor for securing a line to a ground-based receiving member having inner walls which define an opening therein includes a rod adapted to be received in the opening formed in the receiving member. The rod has an anchoring member at a lower end and a threaded portion provided on an upper end. A collar arrangement located between the anchoring member and the threaded portion and above the receiving member is provided for rotating the rod and forming a loop to which a line may be secured. A nut-handle assembly is rotatably mounted on the threaded portion of the rod. With this arrangement, limited rotation of the collar assembly for rotating the rod causes the anchoring member to substantially register with the inner walls forming the opening in the receiving member. Subsequent rotation of the nut-handle assembly draws the anchoring member upwardly to positively lock the anchoring member in the receiving member.

REFERENCES:
patent: 1037142 (1912-08-01), Hazen
patent: 2099116 (1937-11-01), Kalmbach
patent: 2347581 (1944-04-01), Turner
patent: 2428381 (1947-10-01), Parry
patent: 3365093 (1968-01-01), Mallenke
patent: 3367620 (1968-02-01), Holt
patent: 3404503 (1968-10-01), Courtois et al.
patent: 3431012 (1969-03-01), Courtois et al.
patent: 5011106 (1991-04-01), Cody
patent: 5143171 (1992-09-01), Glynn et al.
patent: 5248021 (1993-09-01), Nichols
patent: 5346036 (1994-09-01), Arisman et al.
patent: 5398777 (1995-03-01), Ouellette et al.

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