US477800A

US477800A - goldsmith

Info

Publication number: US477800A
Authority: US
Publication date: 1892-06-28
Anticipated expiration: 1909-06-28

Description

M. S. GOLDSMITH.

SAFE. i

Patented June |28, r1892.

(No Model.)

' UNITED STATES PATENT f OEEICE.

MAX s. GoLDsMIrH, or CINCINNATI, oIfIIo.

SAFE.;

SPECIFICATION forming part of Letters Patent No. 477,800,'dated June 28, 1892.

Application filed February 18, 1892-. Serial No. 421,967. (No model.)

To all whom t may concern.-

Be it known that LMAX S. GoLDsMITH, a citizen of the United States, and a resident of Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Burglar-Proof Safes,

of which the following is a specieation.

My invention relates to burglar-proof safes, and particularly to that class of safes known as screw-door safes.

The object of the'invention is to provide a simple and reliable means to f oree the door into its closed position or release it therefrom.

In my patent,'No. 470,482, dated March 8, 1892, I show and describe substantially the same system of gears adapted to my improved circular-body safe.

My present invention adapts the system of gears to the rectangular safes now in use which have the body square or rectangular and the front opening circular.

The invention will be [irst fullydescribed in connection with the accompanying drawings, and Will then be particularly referred to and pointed out in the claims.

Referring t0 the drawings, in which like part-s are indicated by similar reference-letters wherever they occur throughout the various views, Figure 1 is a view, partly in front elevation and partly in transverse vertical seotion, of a safe provided with myimprovements. The door is shown in the closed position and the section cuts away the front cap to expose the door-operating gear in elevation. Fig. l2 is a side elevation of the front part of the safe. Fig. 3 is avertical section taken through line a: fr, Fig. l.

The body A, door B, and crane-hinge C mayl be constructed in the usual well-knownmanner, and need not, therefore, be specifically7 described.

To the front of the safe-door is secu red the internally-toothed ring D. Theperiphery of this ring is turned olf smooth and is annularly grooved at d. E is a flanged cap adapted to fit over the ring D, with its inner ianged edge Iesting lightly against the front face of the door. The cap is secured to the ring D by round-pointed screws e, which are tapped through the flange of cap E and enter the groove in the periphery of the ring D. The groove is formed counter to the points of the screws, which are tapered 0r rounded. The screws e hold the cap E in place while permitting the door and ring D to revolve within it. The edge of the cap is -bored to receive steel rollers e', whichproject slightly within the inner rim of the cap and bear against the periphery of the ring D to reduce friction. These rollers are not essential, especially for small doors, as the pointed screw-pinsserve as bearings for the door; but in large doors the rollers Vshould be used, as otherwise the strainY upon the pins would be too great. Upon the inner face of the cap are mounted cog-wheels F G G. The center or drivingcog F is secured upon a shaft f, which projects through the front of the cap and has its' cap. These cogs G G Inesh with the teeth of Vthe driving-wheel F and the teeth of the ring D.

The cap E, with the door and its attachments, is hung between the arms of the cranehinge bypivot-bolts c, which pass freely through hinge-arms and are screwed into the rim of the cap. The cap is free to turn upon its Ypivots c.

The exteriorly-screw-threaded ring b is secured to the inner face of the door and engages the interior screw-threads of the ring a, which issecured to the inner Walls. of the door, opening in the usual manner.

By the arrangement of the three gear- Wheels with their axes in a plane at right angles to the door-holding pintles c, these pintles are relieved from lateral strain which they would be subjectedto if but one of the wheels G were used. It is obvious, however, that the omission of one of these wheels would be but an inferior modification of my invention.

It will be seen that all the door-actuating gearing is housed by the cap and therefore protected from dust, while the front of the safe presents a smooth finish which is easily kept clean.

The door is intended to be locked against rotation bya time-lock but as many of the wellknown devices for locking a circular screwdoor may be employed I have not thought it roo .15 the vcrane-hinge, and piVot-pinsconnectngthe l'iingJ-arms and cap; substantially as-shown particular a circular door-openingthe circular door, and.

screw-threaded connection between the door and body with the internally-toothed ring secured to the outer face of the door, the cap covering said ring and secured to it, so that the ring is free to revolve Within the cap, the gear-Wheels secured to the inner face of the cap, the shaft of the driving-gear projecting through the cap and having its end formed to receive a key for revolving the ring and door,

-' and described.

2; The combination of the safe-body,circu-` lardoor, and crane-hinge, With the cap E, the

gear-wheels G G', journaled -upon studs secured Ito the inner face of the cap, the shaft `f,journaled in the cap and having its ontwardly-extended end -forrned to receive a 1ev'er, the cog F, secured upon the shaft and intermeshed with the Wheels G G the pivotpins c, connecting the cap and the arms of the crane-hinge, the ring D, internally-toothed, exteriorly grooved, and secured to the door, and the pointed pins e, passing through the flange of the cap and entering groove in ring, substantially as shown and described.

3. In a safe of the character described, the combination of the circular door, the internally-toothed gear-ring secured to thedoor, the door-supporting cap covering said ring, means to secure the cap and ring together, sothat therin g may revolve Within the cap, the cranehinge, and the pins for hanging the cap to said hinge, and the gearing mounted on the inner-'face of the cap for revolving the ring andfdoor, lsubstantially as: shown and de- Witnesses:

GEO. J. MURRAY, FRANK S. DAVIS.