Patent ID: 7140700

Claim:
An interlocking system for preventing simultaneous opening of drawers of a cabinet, comprising: activation members respectively affixable to back sides of the drawers; guide supports respectively affixable in the cabinet behind the drawers, in respective registration with the activation members; an elongated track member affixable in the cabinet on a side of the guide supports; a series of mobile blocks slideably guided by the track member, the track member limiting the blocks to a partial displacement to produce a space between any two of the blocks; carriage members respectively slideably mounted on the guide supports, the carriage members being movable transversely to the track member, the carriage members respectively having bolt elements projecting towards the track member and drivable one at a time in the space produced by the partial displacement of the blocks by sliding of the carriage members towards the track member; and coupling means respectively extending between the activation members and the carriage members for sliding one of the carriage members towards the track member using pulling motion of a corresponding one of the activation members during a first configuration of the interlocking system, provided that the space is vacant for receiving the bolt element of said one of the carriage members, and sliding said one of the carriage members away from the track member using pushing motion of said one of the activation members during a second configuration of the interlocking system, wherein the guide supports have upper and lower back surfaces and the carriage members have upper and lower projecting flanges respectively slideably engaging the upper and lower back surfaces of the guide supports.