Fastener arrangements for joining or separating material edges o

Details Fastener arrangements for joining or separating material edges o Fastener arrangements for joining or separating material edges o

1975-06-02

1977-07-19

Griffin, Donald

Buckles, buttons, clasps, etc.

Buckles

One-piece

24201B, 24216, 24230SL, A44B 1700

Patent

active

040358755

ABSTRACT:
A fastener arrangement for joining or separating material edges or surfaces along a distance of indeterminate length has two cooperating fastener halves secured to the one and the other material component to be joined or separated. At least one of the fastener halves is flexible lengthwise. Serially arranged discrete or non-discrete (continuous) elements of the one and the other fastener halves cooperate with one another to form element pairs which can assume a first stable position in which the elements of the element pair are in a full mechanical interengagement with one another, a second stable position in which the elements of the element pair are mechanically fully disengaged from one another, and an unstable position in which the elements of the element pair are in a partial mechanical interengagement with one another. Each element pair includes a force-exerting structure which is so designed that in the unstable position of the element pair the force urges the elements of the pair from the unstable position into one of the stable positions and, at the same time, interaction occurs between adjoining elements of the fastener halves to effect self-propagation of a transition from one stable position of the element pairs through the unstable position into the other stable position.

REFERENCES:
patent: 2627097 (1953-02-01), Ellis
patent: 3008209 (1961-11-01), Kurt
patent: 3095625 (1963-07-01), Propst
patent: 3102314 (1963-09-01), Alderfer
patent: 3426385 (1969-02-01), Gutshall
patent: 3732597 (1973-05-01), Epstein
patent: 3808648 (1974-05-01), Billarant et al.

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