Quick release apparatus

Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...

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Details

24607, 24609, A44B 1100

Patent

active

051952238

ABSTRACT:
A quick release mechanism for releasing two members joined together under tension. The force necessary to release the mechanism is substantially independent of the tension being carried by the device. This is accomplished by providing a contact surface between the latch and its holder such that the moment necessary to release the latch holder must not increase with frictional force or normal force at the point of contact between the latch and latch holder. An equation that provides the configuration necessary to achieve this objective is derived which yields a logarithmic spiral solution set. The spiral expands from zero to infinity, with any portion of the curve being a valid solution to the curve that must machined into either a latch holder surface or a latch surface. The invention may also be used to provide a mechanism that will release once a pre-determined tension has been obtained, i.e., a reusable "week link" or the inverse "weak link", i.e. will release when tension has been decreased by a certain amount.

REFERENCES:
patent: 1370850 (1921-03-01), Sieverling
patent: 2142925 (1939-01-01), Tripp
patent: 3145042 (1964-08-01), Bendl
patent: 3600760 (1971-08-01), Eshleman
patent: 3628222 (1971-12-01), Palen
patent: 4226589 (1980-10-01), Klein
patent: 4612687 (1986-09-01), Barwood

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