Non-removable fastening devices

Details Non-removable fastening devices Non-removable fastening devices

1979-07-09

1981-11-24

Schultz, William H.

Supports

Brackets

Specially mounted or attached

F16M 1300

Patent

active

043019862

ABSTRACT:
The invention relates to an unextractable fastening device for mounting in an opening formed in a panel.
The device is of the kind comprising a head, a curved retaining cam and a flexible locking element and is characterized in that it has a body complementary to and without clearance with the perimeter of the opening and in that a gap formed in said body enables said locking element to withdraw into said gap when the device is inserted into the opening.
The device is applicable to standard round, rectangular or square openings and withstands considerable loads without play.

REFERENCES:
patent: 1662422 (1928-03-01), Hodges
patent: 2113535 (1938-04-01), Cund
patent: 2223273 (1940-11-01), Slessman
patent: 3469493 (1969-09-01), Fisher
patent: 3954243 (1976-05-01), Sharp
patent: 3974278 (1974-02-01), Frey et al.
patent: 4103854 (1978-08-01), Pliml

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