Brushing – scrubbing – and general cleaning
Patent
1978-06-23
1980-08-26
Holko, Thomas J.
Brushing, scrubbing, and general cleaning
F16B 3900
Patent
active
042190649
ABSTRACT:
An improved clip nut has a long flat spring steel body which is bent back upon itself such that the two end portions of the spring steel body lie essentially parallel to each other with one portion forming the top arm and other portion forming the bottom arm. The top arm has a hole through its surface and a small flange projecting off of each of the respective sides. Each of the flanges has a slot near the edge where the flange joins the top arm. The nut portion of the clip nut comprises a nut member having tabs fitting into the slots. The threaded bore of the nut is in alignment with the hole in the upper arm. The bottom arm has two fingers integrally formed with and parallel with the side edges of the arm. The end of each finger is provided with a dog. A plastic sleeve is formed of a molded structure having a channel along each respective side edge of the plastic sleeve. A hole passes through an annular boss in the sleeve. The plastic sleeve is slid onto the bottom arm with the fingers fitting into the channels in the sleeve. The sleeve is retained on the arm by the dogs on the ends of the fingers. By virtue of the plastic sleeve when the clip nut is slid onto a plate, the surface of the plate is not marred or scratched by the clip nut.
REFERENCES:
patent: 2258342 (1941-10-01), Tinnerman
patent: 2274014 (1942-02-01), Tinnerman
patent: 2904820 (1959-09-01), Flora
patent: 3118480 (1964-01-01), Kreider
patent: 3145753 (1964-08-01), Kreider
patent: 3999583 (1976-12-01), Nelson
patent: 4074491 (1978-02-01), Bell et al.
Section 8 of Trade Catalog of Shur-Lok Corp., "Clip Nuts," Sep. 1974, SL210 Series-SL215 Series and SL200 Data.
Boswell K. H.
Holko Thomas J.
O'Brian Edward D.
Shur-Lok Corporation
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