Electromechanical non-numeric control for locks
OwnerMichael Brent Kitcheninventor
Life of this patent
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Abstract
A light fence represented by aligned apertures in a plurality of wheels permits the passage of a light beam to a sensor to activate an electro-mechanical control for a lock. Such an arrangement avoids the sound-producing mechanical action of the typical tumbler lock and safeguards discovery of the opening combination. Rather than the typical case of a numerical sequencing combination, a novel approach is taken by using visual pattern recognition to align the apertures. The electro-mechanical control of the present invention additionally features optimized energy use, customizable settings, precision positioning, and an expansion of possible combination permutations by including direction of rotation.
Claims20
An electro-mechanical control for a lock, comprising:
- a plurality of mostly tubular shafts journaled concentrically about a common axis, each inner shaft extending from its outer in both axial directions, the shafts having proximal and distal ends;
- a plurality of wheels matched to the mostly tubular shafts, each fixed to the distal end of a corresponding shaft, each having an aperture at a common radial distance from the common axis;
- a plurality of dials matched to the mostly tubular shafts, each fixed to the proximal end of a corresponding shaft and thereby forming a unitary rotational assembly with wheel and shaft, each dial having a preferred orientation corresponding to an alignment of the apertures;
- a means for indicating the preferred orientation for each dial;
- a light source at one end of the plurality of wheels positioned at the common radial distance, the light source connected to a source of power through a means for connecting;
- a photo sensor positioned on the other end of the plurality of wheels for detecting a beam of light from the light source passed through the aligned apertures;
- a means for determining whether each wheel rotation was clockwise or counterclockwise, said means for determining including an electro-magnetic sensor utilizing Weigand technology;
- and
- a means for controlling the opening of the lock when the dials have been turned in a preferred direction to the preferred orientation.
Dependencies are inferred from the claim text.