Collapsible key assembly

Details Collapsible key assembly Collapsible key assembly

1998-03-05

1999-08-31

Barrett, Suzanne Dino

Locks

Parts, attachments, accessories and adjuncts

For key-operated mechanism

70459, A44B 1500

Patent

active

059438894

ABSTRACT:
A collapsible key assembly includes a housing including a positioning member, a first cover fixedly mounted on one side of the positioning member, a second cover fixedly mounted on another side of the positioning member, a pin fixedly fitted in a circular through hole of the positioning member and having two ends extending therethrough, a U-shaped spring having two coiled arms each having two straight ends, two keys pivotally mounted on two ends of the pin and bearing against the two coiled arms of the spring, two packing rings fitted on two ends of the pin, and two buttons fitted on two ends of the pin and bearing against the packing rings, whereby the keys can be easily folded into the housing when not in use.

REFERENCES:
patent: 2029696 (1936-02-01), Bennett
patent: 2047331 (1936-07-01), Pollack
patent: 2051935 (1936-08-01), Bennett
patent: 2462206 (1949-02-01), Magee
patent: 2517500 (1950-08-01), McPherson et al.
patent: 2652712 (1953-09-01), Hoag
patent: 2822684 (1958-02-01), Ray
patent: 2851872 (1958-09-01), Stow
patent: 3023603 (1962-03-01), Bowen
patent: 3173280 (1965-03-01), Oberacker
patent: 3321943 (1967-05-01), Reyes
patent: 4660397 (1987-04-01), Girimont

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