Importance

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Abstract

The key pad assembly includes a housing that attaches to a secure container. The housing has a front wall, and a key pad attaches to the front face of the front wall. A cylindrical side wall extends back from the front wall. The side wall is truncated at an angle to angle the front face to the door. Where the side wall is widest, which should be at the bottom of the housing, the side wall has a removable section through which a battery can be inserted. A cable extends through an opening in the front face from the key pad to a circuit board that mounts the combination sensing circuit. The cable is flat with multiple electric conductors and a slot. When the key pad and circuit board are properly assembled, the cable slot fits over a fixed pin in the housing. The pin secures the cable so that it is not pulled from its connection with the key pad or the circuit board. Other pins within the housing mount the circuit board. Parallel walls from the rear of the front face create a cavity for the battery. The side walls that create a battery chamber each has a shaft with an opening that extends through the front wall. The shafts supply support for bolts attaching the housing to the secure container. When the key pad is attached to the housing, the pad covers the openings.

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First Claim