Flexible plastic latch

Details Flexible plastic latch Flexible plastic latch

1990-04-24

1990-11-20

Gall, Lloyd A.

Closure fasteners

Bolts

Spring arm

292 87, 292DIG38, E05C 1906

Patent

active

049713728

ABSTRACT:
A plastic latch for latching a first surface to a second, substantially coplanar, surface is disclosed having a flexible plastic band with a planar attachment segment adapted for attachment to the first surface, an upper arcuate segment extending upwardly from the attachment segment, a planar first segment depending from the upper arcuate segment and substantially parallel to and longer than the attachment segment, a lower arcuate segment extending from the flex segment beneath the upper arcuate segment, and an engaging segment extending upwardly from the lower arcuate segment parallel to the flex segment and in substantial alignment with the attachment segment. A connecting segment flexibly connects the engaging segment to the attachment segment and extends towards the flex segment. A projecting nub is located on the engaging segment and is adapted to engage beneath the projecting ledge extending from the planar surface when the first surface is placed in contact with the second surface. The flex segment, the arcuate segment, the engaging segment and the connecting segment are adapted to deflect from the first surface if brought into contact with the second surface to enable the nub to engage beneath the ledge. A reinforcing rib may extend from the attachment segment within the band to prevent excessive deflection of the band. The latch may be fabricated entirely of transparent plastic.

REFERENCES:
patent: 86601 (1869-02-01), Still
patent: 269806 (1882-12-01), McArthur
patent: 1035666 (1912-08-01), Walpuski et al.
patent: 1076933 (1913-10-01), Zindel
patent: 3083046 (1963-03-01), Eberly
patent: 4462142 (1984-07-01), Hickling

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