Brushing – scrubbing – and general cleaning
Patent
1975-12-15
1977-04-19
Britts, Ramon S.
Brushing, scrubbing, and general cleaning
29512, 151 4173, 29 432, F16B 3928
Patent
active
040182576
ABSTRACT:
A self-flanging nut construction utilizing a tubular body having a laterally extending flange at one end and an opening therethrough, said opening having a first portion and a second portion of differing cross sectional areas, the first portion being formed with a thread and the second portion defining a riveting flange. A plurality of circumferentially spaced serrations or ribs are provided on the periphery of said body adjacent said flange. When the nut is placed adjacent a sheet metal body having an opening therein with the opening in alignment with the opening in the nut and the nut is forced against said plate, the metal surrounding said opening in said plate is first deformed axially of the opening to form a tubular portion and thereafter the riveting flange is deformed laterally outwardly over the end of the tubular portion formed on said plate. The circumferential spacing, width and thickness, and length of the ribs is such that the metal is deformed outwardly at the ribs while the metal between the ribs remains substantially as formed into the tubular portion.
REFERENCES:
patent: 1112525 (1914-10-01), Darling
patent: 1479358 (1924-01-01), Behringer
patent: 1591183 (1926-07-01), Reynolds
patent: 1954761 (1934-04-01), Wiggin
patent: 2007179 (1935-07-01), Bullis
patent: 2026757 (1936-01-01), Swanstrom
patent: 2327656 (1943-08-01), Meek
patent: 3204679 (1965-09-01), Walsh
patent: 3276499 (1966-10-01), Reusser
patent: 3722565 (1973-03-01), Miller et al.
patent: 3894331 (1975-07-01), Ragettli
Britts Ramon S.
Cold Fasteners, Inc.
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