Pin lock mechanism with bias change feature

Details Pin lock mechanism with bias change feature Pin lock mechanism with bias change feature

1990-01-22

1991-03-05

Gall, Lloyd A.

Closure fasteners

Bolts

Sliding and rotary

292 62, 292302, 292DIG20, 292DIG47, 292DIG61, E05C 502

Patent

active

049972189

ABSTRACT:
Disclosed is a positively locking latch or latch/hinge mechanism for use in pplications requiring quick connections and disconnections. The mechanism is comprised of a flange, a pin and base from which a plurality of plate extensions perpendicularly extend. The flange is dimensioned to fit snugly between two of the extensions. The extensions and the flange have axially aligned through holes of equal diameter. The pin axially translates through the aligned holes of the extensions and flange so that the flange is pivotally securable to the base. The diameter of the pin is only slightly less than the diameter of the holes so as to prevent radial movement of the flange relative to the pin axis. The mechanism includes a means for biasing the pin into an engaged position in which the flange is pivotally secured to the base and, alternately, a disengaged position in which the flange is removable from the base.

REFERENCES:
patent: 725662 (1903-04-01), Bohlen
patent: 803335 (1905-10-01), Frisbee
patent: 963997 (1910-07-01), Crowell
patent: 1399897 (1921-12-01), Singer
patent: 1538283 (1925-05-01), Gertsfeld
patent: 1706102 (1929-03-01), Booth
patent: 4066284 (1978-01-01), Ikemura
patent: 4073517 (1978-02-01), Bills
patent: 4635327 (1987-01-01), Netznik

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