1976-10-18
1978-04-11
Parsons, Jr., Marion
F16B 3710
Patent
active
040832880
ABSTRACT:
A split nut is formed from two substantially identical screw-threaded half nuts, each of which has chamfered ends, preferably at about 60.degree. to the axis of the nut, to engage in a conical counterbore of a washer or workpiece. When the split nut is tightened it remains securely in place. Each half nut has side faces extending in radial planes with complementary locating means symmetrically disposed on either side of the central plane of the half nut taken at right angles to the axis, and the screw-thread has a start at one end only, whereby one of the half nuts is inverted so that the respective complementary locating means interengage to align axially the half nuts.
REFERENCES:
patent: 2377581 (1945-06-01), Shaffrey
patent: 2676509 (1954-04-01), Graham
patent: 2882781 (1959-04-01), Gates
patent: 3675530 (1972-07-01), Victor
patent: 3734547 (1973-05-01), Kojima
patent: 3797336 (1974-03-01), Howe
patent: 3799026 (1974-03-01), Selch
Geoffrey, Jr. Eugene E.
Parsons, Jr. Marion
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