Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent
1991-05-30
1992-10-06
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
411437, 411935, F16B 3708, F16B 3716
Patent
active
051526514
ABSTRACT:
A high-speed nut having two jaws capable of taking up two positions, one in which the central tapping is not engaged with a threaded rod, and a second in which the tapping is engaged therewith. According to the invention, the nut comprises two pieces (10, 11) which are hinged to each other about an axis (13), with pivoting of the pieces being caused by the front portion (15) of the pieces coming into contact with the object to be clamped.
REFERENCES:
patent: 594526 (1897-11-01), Glauber
patent: 971375 (1910-09-01), Hays
patent: 2257327 (1941-09-01), Bradford
patent: 2789458 (1957-04-01), Skeisvoll
patent: 3160053 (1964-12-01), Devine et al.
O'Rourke Thomas A.
Wilson Neill R.
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