Locking mechanism

Details Locking mechanism Locking mechanism

1993-04-01

1993-12-07

Moore, Richard E.

Closure fasteners

Bolts

Multiple

292201, E05B 4700

Patent

active

052677605

ABSTRACT:
A locking mechanism comprises a plurality of spring loaded tines disposed around an armature. The armature has a disc mounted thereon the radially outer surface of which is profiled. The armature is coupled to a solenoid which is selectively energized to move the armature. In a locked position the profiled surface of the disc urges the spring loaded tines outwardly into engagement with a locking cup. In an unlocked position the armature moves the disc into a position so that the profiled surface allows the tines to spring inwardly so they can be withdrawn from the locking cup. A spring loaded sleeve is provided which holds the tines and the armature in the unlocked position so that the locking mechanism can re-engage in the event of a power failure to the solenoid. A pin is provided so that the solenoid can be overridden manually.

REFERENCES:
patent: 2506846 (1950-05-01), Teasdale
patent: 3753316 (1973-08-01), Savarieau et al.
patent: 4057935 (1977-11-01), Rohrberg et al.
patent: 5172945 (1992-12-01), Doherty et al.

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