Sheet metal anchor

Details Sheet metal anchor Sheet metal anchor

1996-08-19

1998-09-15

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Bulged by axially contracting ends

411 55, 411 61, F16B 1304, F16B 1306

Patent

active

058070508

ABSTRACT:
An anchor for a bolt formed of a single strip of sheet metal includes a pair of opposed shell portions having helically aligned connecting strips. The shell portions extend from a bottom end of the anchor having a threaded sleeve for accepting the bolt. The free ends of the shell portions have tabs extending outwardly for engagement into the plate in which the member is being installed. The anchor is formed by first stamping a strip of metal and then bending the ends of the strip to form a cylindrical shell. Axially aligned tabs on the free ends extend into complimentary recesses to join the two shell halves together.

REFERENCES:
patent: 1208999 (1916-12-01), Malaby
patent: 2762252 (1956-09-01), Karitzky
patent: 3381566 (1968-05-01), Passer
patent: 3942407 (1976-03-01), Mortensen
patent: 4657456 (1987-04-01), Anquetin
patent: 4861206 (1989-08-01), Riedel

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