Lockable load attachment device

Details Lockable load attachment device Lockable load attachment device

1987-11-02

1989-07-11

Kashnikow, Andres

Railways

Traction

Cable

104204, 104211, 188 651, 188 652, 182 5, A62B 3500, E06C 718

Patent

active

048460753

ABSTRACT:
A load attachment device attaching a person to a safety line to provide a fall-arrest facility, comprises a slipper member for engaging an elongate member for sliding movement therealong, and load sensitive locking member having an unlocked condition perimitting free sliding movement of the device and a locked condition in which a grip portion of the locking member engages and grips an elongate member slidably engaged, in use, with the slipper member, the locking member including biassing member to cause the locking member to be brought automatically into its locked condition when an applied loading, which is required to maintain the locking member in its unlocked condition on an inclined, or a vertical or near vertical elongate member, or portions of an elongate member, is removed.

REFERENCES:
patent: 2561514 (1951-07-01), Housemen
patent: 2780318 (1957-02-01), Owens
patent: 3146754 (1964-09-01), Ohnsman
patent: 3776368 (1973-12-01), Brauss
patent: 4034828 (1977-07-01), Rose et al.
patent: 4254941 (1981-03-01), Tanson
patent: 4521000 (1985-06-01), Dodge, Jr.
patent: 4542884 (1985-09-01), Dodge, Jr.
patent: 4669582 (1987-06-01), Sandreid

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