Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Patent
1980-06-09
1984-01-17
Holko, Thomas J.
Buckles, buttons, clasps, etc.
Separable-fastener or required component thereof
Including member having distinct formations and mating...
24662, A44B 1700
Patent
active
044256868
ABSTRACT:
A telescoping fastener which is concealed upon the interconnection of two separate structures or elements is described. A male element is fastened as by a screw extension to one panel and a recess is provided in the other structural element or panel into which the male element is insertable to form the concealed self-locking joint. In the recess is positioned a cage-like female element which is centered on the axis of the recess as by a threaded member, such as a screw. The male element is pressed axially into the female portion and is frictionally gripped by selected parts of the cage impinging against the male portion at entry. This secures the two elements or portions in prevention of axial withdrawal and centers or stabilizes the male element against wobble or float. Where the cage requires strengthening, the strength is achieved by extending the head of the screw for the female element so that it buttresses the caging and may telescopically receive the male element where the male element is tubular.
REFERENCES:
patent: 373797 (1887-11-01), Carpenter
patent: 428063 (1890-05-01), Boda
patent: 1149141 (1915-08-01), Hook
patent: 2037678 (1936-04-01), Churchill
patent: 2065325 (1936-12-01), Calhoun
patent: 3086803 (1963-04-01), Wilson
patent: 3251260 (1966-05-01), Serdechny
patent: 3426385 (1969-02-01), Gutshall
patent: 3561075 (1971-02-01), Selinko
patent: 3741594 (1973-06-01), Ostling
patent: 4108560 (1978-08-01), Mindgue
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