Anchor fastening device

Details Anchor fastening device Anchor fastening device

1996-03-14

1998-07-07

Chin-Shue, Alvin C.

Supports

Hold-down

248499, 105476, 410101, 410102, 294 11, B61D 4500

Patent

active

057756643

ABSTRACT:
A hold down incorporating a mounting plate configured with a downwardly opening recess and an elevated retainer collar configured with an aperture. A swivel is configured with an enlarged-in-diameter retainer head received in such recess and an upwardly projecting pivot shank configured with a cross bore which receives a circular retainer ring having an outside diameter larger than such aperture so that such ring and the retainer head cooperate to positively lock the swivel to the mounting plate.

REFERENCES:
patent: 1516489 (1924-11-01), Barton
patent: 2688504 (1954-09-01), Parker
patent: 3297293 (1967-01-01), Andrews et al.
patent: 4064811 (1977-12-01), Copeland
patent: 4431352 (1984-02-01), Andrews
patent: 4570987 (1986-02-01), Wong et al.
patent: 4592686 (1986-06-01), Andrews
patent: 4630982 (1986-12-01), Fenner
patent: 4699410 (1987-10-01), Seidel
patent: 4863205 (1989-09-01), Schron et al.
patent: 5248176 (1993-09-01), Fredriksson

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