Patent ID: 6021653
Filing Date: 2000-02-08
Classification: E05B,Y10S,Y10T

Abstract:
A combination padlock intended to permit selection of a combination of alphabetic indicia as the combination code for opening, said padlock comprising:a body, a shackle slidably displaceable with respect to said body, a plurality of dial type tumbler rings of substantially similar perimeter, and a plurality of indicia plates;said shackle possessing a lower portion extendable through said plurality of tumbler rings arranged in a stack possessing two end tumbler rings each possessing an outward face adjacent an inward face of said body when each said tumbler ring is rotationally aligned about a common axis in an open position, said lower portion of said shackle being retained by each said tumbler ring in said stack not rotationally aligned in an open position;said stack of tumbler rings being removable from said body when said lower end of said shackle is displaced a distance sufficient to clear said stack of tumbler rings;each said tumbler ring possessing a plurality of axially aligned slots each peripherally disposed and adapted to permit both removal of one of said indicia plates and insertion of one of said indicia plates when said tumbler ring is isolated and to retain said indicia plate when said tumbler ring is within said stack;whereby rotational alignment of said tumbler rings in said stack enclosed at either end by said body about a common axis in an open position permits removal of said lower portion of said shackle sufficient to clear said stack which permits removal of each of said plurality of tumbler rings from said stack and permits changing of the indicia plates peripherally disposed upon each said tumbler ring and a combination code associated with aligned indicia for opening said padlock.