Screwed safety assembly

Details Screwed safety assembly Screwed safety assembly

1980-08-29

1984-05-15

Holko, Thomas J.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Tool-engaging or accommodating means or with tool

403 21, 411176, F16B 3504

Patent

active

044485611

ABSTRACT:
A screwed safety assembly capable of being assembled and disassembled at a distance and under immersion, in which the screw head comprises a deformable cylindrical ferrule (15) and in which the seating (4) of the screw head comprises widened portions (6) into which the ferrule partially penetrates when it is deformed by expansion. The seating (4) of the screw head further comprises, at the level of the upper edge of the ferrule (15), a circular groove (10) between the widened portions (6) and leading into these.

REFERENCES:
patent: 1344964 (1920-06-01), Russell
patent: 1521805 (1925-01-01), Ellis
patent: 2255649 (1941-09-01), Burke
patent: 2377114 (1945-05-01), Tomalis
patent: 2740327 (1956-04-01), Stegeman
patent: 2851292 (1958-09-01), McClain
patent: 3091842 (1963-06-01), Creamer
patent: 3319690 (1967-05-01), Rosan et al.
patent: 3371402 (1968-03-01), Neuschotz
patent: 4139315 (1979-02-01), Levy et al.

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