Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member preassembled with substructure at through-passage or...
Patent
1988-08-25
1990-03-13
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411 85, 411399, 411533, 411544, 411903, 411908, 4252R, F16B 2700, F16B 3900
Patent
active
049079239
ABSTRACT:
An improved closet bolt has a generally oval head, a shank including a threaded fastening portion extending from the head and generally concentric with respect thereto, and anti-turn ears or protrusions extending radially outwardly from a portion of the shank between the threaded shank portion and the head, the threaded portion adjacent the anti-turn ears having on opposite sides thereof a plurality of sawtooth or ramp members, the ramps sloping toward the bolt head, and wherein the bolt is constructed of a suitable high strength plastic material. Methods for using the improved closet bolt result in quick and efficient toilet installation, removal and repair.
REFERENCES:
patent: 2492115 (1949-12-01), Crowther
patent: 2704680 (1955-03-01), Bedford, Jr.
patent: 2993950 (1961-07-01), Forman
patent: 3085461 (1963-04-01), Forman
patent: 3419298 (1968-12-01), Worley
patent: 3846851 (1974-11-01), Pepper
patent: 3905052 (1975-09-01), DeAngelis
patent: 4530629 (1985-07-01), Sakow
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