Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – With tighteners
Patent
1978-07-26
1981-01-06
Byers, Jr., Nile C.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
With tighteners
24217R, A44B 1900
Patent
active
042427789
ABSTRACT:
Mating fasteners having a convex receiving surface and a concave inserting surface rotationally symmetrical about an insertion axis. A key code of annular projections and grooves is located in a plane normal to and concentric with the insertion axis. A locking mechanism engages the mating pieces only when in mating relation as determined by the key code. A planar embodiment is included. Easy and accurate assembly or connection becomes much less critical.
REFERENCES:
patent: 557952 (1896-04-01), Bohannan
patent: 885267 (1908-04-01), Martel
patent: 1166417 (1915-12-01), Snyder
patent: 1493479 (1924-05-01), Deatrick
patent: 2947053 (1960-08-01), Sanderson
patent: 3264699 (1966-08-01), Knowlton
patent: 3643296 (1972-02-01), Kahn
Byers Jr. Nile C.
Rich David A.
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