John D. Brush Co., Inc.

Andrew L Oliveri

Patrick J Beattie

Richard J Sylvester

Richard C Robbins

Mary P DiGiambattista

A fire-resistant safe is made with internal and external shells that are filled with insulation material. Hollow reinforcements interconnecting the two shells are formed as cone-shaped recesses in the internal shell having truncated bottom portions attached to the external shell. The insulation is made of a water-bearing material and the recesses are made of a resin material that melts at a temperature in excess of the boiling point of water. Funnels are formed in the external shell for adding the insulation material in a liquid state. An escutcheon for covering the funnels is anchored to the insulation material by stakes that are embedded in the insulation material before the material hardens into place.

Escutcheon and method of making a fire-resistant safe

Hollow reinforcements for fire-resistant safes

A combination lock assembly for safes in which the combination can be easily reset without dismantling the assembly or changing its original adjustment for smoothness and consistency of tumbler wheel motion. The tumbler wheel and spacing washer components of the assembly are all mounted on a bushing that also includes an end cap. The tumblers and spacers are spring biased by a wave washer so that the drive tumbler, which includes a plurality of angularly spaced holes, presses against the end cap. One of the holes is aligned with a drive stud on the drive cam that is used to position the tumblers. In the event the drive tumbler should receive uneven pressure from the drive studs (e.g., due to improper alignment of the safe's drive spindle), the tumbler wheels and washers are all held together by the bias of the wave washer and are maintained with their engagement surfaces parallel with each other, permitting proper operation without undesirable wear. To reset the combination, manual pressure of the drive tumbler is sufficient to overcome the bias of the wave washer to move the tumblers and washers axially away from the end cap. This movement allows the drive tumbler to be rotated relative to the drive cam so that another of said angularly spaced holes is aligned with the drive stud. This simple procedure changes the combination required to open the safe.

Combination lock assembly

A universal lock mount for use with a variety of different types of safe locks. It includes an integral resin structure having a bushing portion and a mounting plate portion. The bushing portion supports lock components, and the mount also includes a retaining cap which is fused to the outer end of the bushing portion to hold the components as an independent assembly. Resin spacing washers minimize wear and provide for smoothness and consistency in the movement of the lock assembly components. Use of the mount permits the lock components to be preassembled, tested and adjusted prior to installation so that the resulting assembly functions as an independent lock element. The universal mount also facilitates security of the safe. Because the assembly is independent of the spindle/driver mechanism used to position its components, removal or destruction of the spindle/driver mechanism does not affect the components supported on the universal mount, and the safe remains locked.

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Rochester, NY, United States of America

Andrew L Oliveri