Locks – Operating mechanism – Combination
Patent
1996-02-26
1997-09-09
Gall, Lloyd A.
Locks
Operating mechanism
Combination
70331, 70332, 70446, 434113, 434170, 434402, E05B 1700
Patent
active
056644469
ABSTRACT:
An improved combination lock comprises any type of conventional combination lock having nonnumerical indicia thereon including a plurality of patches of different daylight fluorescent colors for indicating a predetermined combination. Alternatively, nonnumerical indicia on the lock can comprise pictures of different animals, or different geometrical patterns including sets of at least three parallel lines. One implementation comprises a rotatable inner portion inside an outer housing, with sequential positioning of the inner portion with respect to the outer housing serving to unlock the lock. A second implementation includes a plurality of individually rotatable portions, the rotation of which to a predetermined configuration of relative orientations unlocks the lock. Other implementations include electromechanical or electronic combination locks utilizing a keypad and keys with nonnumerical combination indicia thereon comprising colors, either daylight fluorescent or ordinary, pictures of different animals, or different geometrical patterns including sets of at least three parallel lines.
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