Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring
Reexamination Certificate
2005-05-03
2005-05-03
Wilson, Neill (Department: 3679)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed fastener element with securing means and biasing spring
C411S508000, C411S913000, C024S453000, C403S409100, C403SDIG006
Reexamination Certificate
active
06887022
ABSTRACT:
A fall arrest anchorage system for use with a female retaining receiver having grooves or side apertures for engaging connector. The system uses an elongated male connector having a first end and a second end that extend along a connector axis, and a first section of a first dimension and a second section of a second dimension. The first dimension is larger than the second dimension, and the first section will be positioned closer to the first end than the second section. The male connector also includes at least one of a first retractable protrusion on the first section and at least one of a second retractable protrusion on the second section, the first retractable protrusion being positioned along the male portion such that the first retractable protrusion will cooperate with the first groove in the receiver when the second retractable protrusion engages the first groove.
REFERENCES:
patent: 2399581 (1946-04-01), Spooner
patent: 3085462 (1963-04-01), Myers
patent: 3106416 (1963-10-01), Koontz
patent: 4988242 (1991-01-01), Flux
patent: 5232302 (1993-08-01), Wagner et al.
Pizarro Ramon L.
Wilson Neill
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