Patent ID: 8973418
Filing Date: 2015-03-10
Classification: E05B,Y10T

Abstract:
1. A lock system comprising: a fence disposed within a housing and coupled with a user actuated surface useful to move the fence between a locked and unlocked position, the fence including a recess and a protrusion; a column including a plurality of geared units and a cam, the geared units rotatable about a common axis and disposed adjacent to one another within the housing, the geared units including respective flies that inter-engage with each other at defined arc lengths, the cam translatable along the common axis of the geared units and having a cam surface that can be placed within the recess of the fence to prevent movement of the fence, the cam also having a cam recess that permits the cam to be slid along the protrusion of the fence; and a carriage structured to be slidable within the housing and configured to retain the column and permit selective engagement of the cam with one of the plurality of geared units, the carriage defining a space within which the cam is rotatingly captured, wherein the carriage can be slid from a first position to a second position to disengage the cam from the one of the plurality of geared units when the cam recess is aligned with the protrusion of the fence, and wherein the carriage is prevented from being slid from a first position to a second position such that the cam is engaged with one of the plurality of geared units when the cam surface is placed in the recess of the fence.