Devices for securing objects to metal sheets accessible from onl

Details Devices for securing objects to metal sheets accessible from onl Devices for securing objects to metal sheets accessible from onl

1981-11-25

1985-07-30

Wolfe, Robert L.

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

Threaded fastener locked to a discreet structure

Member preassembled with substructure at through-passage or...

24453, 24590, 411111, F16B 3704

Patent

active

045318700

ABSTRACT:
There is provided a means for fixing an object to a blind metal sheet (1) by fitting into a square hole (2) provided in this metal sheet, a cage (3) containing a threaded part (7), then by causing a complementary threaded part to coact with this part. The hole is square, the cage has the shape of an octagonal prism provided laterally with four longitudinal windows (8) and the threaded part comprises four radial tabs (9) adapted to slide jointingly in said windows (8), means being provided, such as thinned-down portions (12), for making possible a rotation through 45.degree. of said part (7) after its axial introduction with the cage into said hole (2).

REFERENCES:
patent: 811163 (1906-01-01), Morsier
patent: 832093 (1906-10-01), Stoltzfus
patent: 1800176 (1931-04-01), Carr
patent: 3082807 (1963-03-01), Tinnerman
patent: 3109342 (1963-11-01), Disley
patent: 3783922 (1974-01-01), Petrus
patent: 3785421 (1974-01-01), Launay
patent: 3975804 (1976-08-01), Schenk
patent: 4250732 (1981-02-01), Moryl
patent: 4262394 (1981-04-01), Wright
patent: 4303361 (1981-12-01), Moryl et al.
patent: 4395062 (1983-07-01), F'Geppert

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