US793175A - Rotary-door safe or vault. - Google Patents

Description

PATENTED JUNE 27. 1905.

W. BRINTON.

ROTARY DOOR SAFE OR VAULT.

APPLIOATION FILED SEPT. 29. 1904.

2 SHEETS-SHEET 1.

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UNITED STATES PATENT OFFICE.

ALTER BRINTON, OF HIGHBRIDGE, NEIV JERSEY, ASSIGNOR TO TAYLOR IRON AND STEEL COMPANY, A CORPORATION OF N E\\' JERSEY.

ROTARY-DOOR SAFE OR VAULT.

SPECIFICATION forming part of Letters Patent N 0. 793,175, dated June 2'7, 1905.

Application filed September 29, 1904. Serial No. 226,442.

To It whom it may concern.-

Be it known that I, Home BmN'roN, a citizen of the United States, residing in Highbridge, in the county of Hunterdon and State of New Jersey, have invented certain new and useful Improvements in Rotary- Door Safes or Vaults, of which the following is a specification.

The present invention is an improvement in part upon the structure shown and described in my contemporaneously pending application, Serial No. 194,655, filed February 23, 190a, and is designed to provide a burglar or mob proof safe or vault with a rotary door which is not only free from any backlash or tendency to creep back in its seat or jamb after it is rotated to a locked position, but which can also be easily and quickly guided or positioned in its seat in readiness to be rotated to its locked position, and which structure can in its preferred form have its locking members or lugs integral with the door and body, which may also be of an integral structure of unmachineable metal, and which lugs are so formed that they may be properly ground and are of tremendous resisting force without interfering with the grinding of the door to its seat.

In my former case the locking-lugs were shown with straight sides. In the present in stance, however, the lugs are preferably provided with inclined or tapered side walls throughout their length, the side walls of the door-lugs preferably having greater taper than the body-lugs, although it will be obvious that the side walls of the body-lugs could be straight, or substantially so. By this formation the door automatically positions itself to its seat as it passes into such seat. In my previous case also the corners of the lugs were beveled, which formation, while mainly provided for the purpose of permitting thegrinding of the door to its seat, was also effective to assist in seating the door firmly. In the present structure, however, other means are provided for lirmly seating the door so that the beveled corners when provided act solely to permit the grinding of the door to its seat.

An object of the present invention, therefore, is the provision of a safe or vault having a rotary door with locking-lugs provided with plane-faced meeting ends which when in engagement prevent any tendency of the door to creep back in its jamb in connection with means for forcing the door to its seat as contradistinguished from a means which acts to draw the door to its seat.

In the drawings accompanying and forming a part of this specification, Figure 1 illustrates a top view of a portion of a safe or vault, showing the door-seating means in two positions. Fig. 2 is a front view of the present improvement. Fig. 3 is a horizontal cross-sectional view of a portion of a safe or vault body, illustrating in dotted lines a door-lug in position to be rotated sidewise into engagement with a body-lug. Fig. 4 is a peripheral view of a door adapted to fit the jamb of such body. Fig. 5 is a view similar to Fig. 3, but showing the body-lugs provided with beveled corners. Fig. 6 is a vie\' similar to Fig. 4:, but showing the door-lugs provided with beveled corners. Fig. T is a view illustrating portions of a body and door lug full-sized, each having a quarter of an inch bevel or taper at each corner, thereby giving one-half inch space to permit the grinding of the door to its seat. Fig. 8 is a view showing a part of the body and door with their lugs so formed that without any beveling of the corners thereof the door can be ground to its seat.

Similar characters of reference designate corresponding parts throughout the several figures of the drawings.

The body 2 and door 3 may be formed of any suitable material, preferably, however, of umnachineable metal, a superior kind of which has now become known as manganese steel, which especially well adapted when heattreated, and thereby toughened, for the manufacture of safes or vaults. Both the body and door may be formed as an integral structure, although the improvement shown and described herein could be readily applied to vaults made up of several memberssuch, for instance, as those patented by Henry I). Hibbard, in which the front member or vestibule is usually of an integral structure and in which case the lugs could be integral with such front. The circular jamb 4 and circular door 3, each of which in the present instance is shown as of conical formation having relatively great depth, are provided with lookinglugs 5 and 6, respectively, shown integral with the body and door, whereby and owing to their formation they have tremendous resisting force, each lug, it is estimated, having a resisting force of about nine hundred thousand pounds. Each set of lugs is located in a single row side by side to form spaced lugs circumferentially or circularly of the jamb and door, respectively, and are located depthwise of such parts-that is to say, they have relatively great length depthwise of the body and door, respectively, they being shown with a depth substantially as greatas their cross-sectional area. The lugs of the body are preferably located substantially midward of the jamb, while the lugs of the door are preferably located so that their inner ends terminate the inner end of the door. The side walls or faces 7 and 8 of the body and door lugs, respectively, are shown tapered or inclined their entire length. The taper of the side faces or walls 8 of the door-lugs 6, however, is preferably greater than that of the side walls 7 of the body-lugs 5. This tapering of the side walls permits a quicker positiouing and seating of the door than would be the case were the lugs of the body and door formed straight, for the reason that the door being pivotally carried by a crane-hinge 22 and rotatable in a ring or supporting member 23, carried by such hinge, were the side faces or Walls of the door formed straight it would be necessary to have the door-lugs always at the exact point to enter between such straightsided walls of the body-lugs. -Whereas by having the lugs of the body and door tapered it will be immediately apparent that as the smaller end of the door-lugs enters first the relatively larger space between the body-lugs the door could be other than in its exact position to pass into the jamb, since if little to one side or the other the tapered side walls of the lugs would quickly and easily position the parts as the door is pushed into its seat. This same advantage is present to a greater extent when the side walls of the door-lugs have more taper than the side walls of the body-lugs and is even true when the side walls of the bodylugs are straight so long as the side Walls of the door-lugs are tapered, and in some structures it might be desirable to have only some of the lugs of either the body or the door or of both tapered, the others being straight, in which instance, however, the straight lugs would necessarily have to be at least as narrow as the narrowest part of the tapered lugs, so that a space would be present between each side of adjacent cooperating lugs to permit the proper positioning of the. door by the tapered walls of the other lugs.

The outer ends or faces 9 of the door-lugs 6 and the inner ends or faces 10 of the bodylugs 5 are located in a plane parallel to the plane of the doorthat is, they are straight or plane faced and are without any taper or inclination and are ground to a matching fit. It is not necessary to grind or machine the side faces or walls 7 and 8 of the lugs, as they do not have any locking effect.

From the foregoing it will be seen that the lugs on the jamb and door are not located one in front of the other in the form of a continuous thread or mutilated thread segments, nor are they provided with tapered or inclined meeting or looking faces, as is usual in rotarydoor safes having locking-lugs or a continuous thread or mutilated thread segments; but the bod y-jamb and door are each provided with a single row of circumferentially or circularly located lugs locatedside by side around the jamb and door, all being shown of substantially the same depth and each having a plane or straight meeting or locking end. Any desired number of these lugs or projections may be used.

'By forming the lugs with straight meeting or engaging faces, as hereinbefore set forth, instead of with tapered faces or. instead of inclinedly locating them to the plane of the door in the manner of mutilated thread segments there is no tendency of the door to work or rotate itself back in its seat or jamb under vibration after it is rotated to its locked position, as is the case with a door which is under a constant and continuous drawing-in force, owing to the use of lugs having tapered meeting or locking surfaces or to the use of th readsthat is to say, when the door is drawn to its seat by the use of lugs having taperedfaces or by devices located inclinedly to the plane of the door or by the use of threads either continuous or formed as mutilated sections or segments the action of these surfaces is such that the door is drawn into its seat, so that under vibration the tendency of the door is to slip back on the inclined or tapered body lugs or threads, and so afford a space or opening around the door for the insertion of nitroglycerin.

As stated in my contemporaneously pending application, it is believed that it is a recognized fact that an integral rotary door locked in its seat by integral means provides one of the strongest means of securing a door in its seat that could be devised, but owing to the backlash, which has heretofore been present in all practicable safes of this kind, it has not been found practicable to make an integral safe of this character that could not be opened within a burglarious time, and this is, as I understand it, largely due to the fact that the lugs or threads used to lock the door in place not only were not integral with the door and body, but were so constructed that the door had a constant tendency to return to its initial position in its seat, so that when the door was locked to its seat the strain thereon was such that under vibration it would creep back in its jamb, this being solely prevented by the locking-bolts or other means which were used to prevent the rotation of the door and which when automatically controlled could not lit with such precision as would prevent a slight backlash, and when the door is conically formed a slight backlash is sufficient to open the joint around the door, and although it be but two or three thonsandths or even one thousandth part of an inch, according to the taper of the door, that would be sufficient, as has been demonstrated by tests, to afford an opportunity to get nitroglycerin into the joint, and to prevent this it is of primary importance to have the joint so tight at all times that it is fluid-tight. In the present structure, as in that of my contemporaneously pending application, there is no appreciable tendency of the door to rotate back or to its initial position, since the meeting or looking faces of the door and body lugs are plane or straight ones.

In all round door-safes in order to obtain a fluid-tight joint it is highly desirable that the door be ground to its seatthat is, placed in its jamb and gradually worked to a matching fit by working or rotating the door back and forth until the door grinds its way into the jamb sufficiently :far so that the contiguous outer edge of the door is flush with the adjacentouter face 61 of the body, and in this way only is it commercially practicable to obtain a nietal-to-metal tight fit of the door and its jainb. ith doors, however, that are locked in their seats by means of tapered lugs or threads, mutilated or otherwise, this is not practicable if such locking parts are integral with the door and jamb, for the reason that as such locking parts taper or are inclined when the door is rotated in one way it is wedged to its seat and when rotated back it is thrown out in proportion to the taper, so that the periphery of the door does not meet the jamb. Attempts have been made to get around this by attaching the locking threads or lugs after the door has been ground to its seat, such parts having been attached in various ways, mainly by bolts; but tests have thoroughly demonstrated that such a structure is very weak and that a small quantity of nitroglycerin forced into the joint around the door, made possible by the backlash of the door, either strips or breaks the bolts holding the threaded ring or member to the door. It is therefore of importance that the lugs be integral with the door and body. In the present improvement the lugs can be integral with both the door and body without interfering with the grinding of the door to its seat and also without permitting any backlash of the door, which combination when applied to an unmaehineable metal safe or vault having an integral door is believed to be the acme of perfection in the manufacture of burglar or mob proof safes or vaults. This grinding of the door may be accomplished by forming the body-lugs or the door-lugs, or both, as shown herein, with beveled or tapered corners. If either set of lugs only are beveled, the movement of the door relatively to its jamb is less than if both sets of lugs have beveled corners. For instance, a quarter of an inch bevel on the lugs of each set will give, as is illustrated in Fig. 7, substantially one-half inch play between the corners of the lugs, so that considerable rotary movement of the door can be had during the seating or grindingof such door in the jamb. This object could be accom plished, however,in another way and without the beveling of the lugs at all. For in stance, the lugs of the body and door could be so formed, as illustrated in Fig. 8, that there is an appreciable space between the side walls thereof, and this could be obtained by forming the lugs narrower than the spaces which they are to enter, so that there would be sufficient space between the side walls of the lugs to permit the oscillatory or rotary movement back and forth of the door until it is properly seated, and the formation of the lugs in this way is permissible without sacrificing any appreciable strength, as the lugs have relatively great depth lengthwise thereof. This formation, however, would also have the advantage of permitting the door to be quickly positioned for seating, even when such side walls were straight, as is the case when the lugs have tapered side walls, although they would not have the guiding feature which results from tapering the side walls of the lugs.

From the foregoing it will be seen that even should the locking means or bolts (notshown) permit a slight back movement of the door relatively to its seat, owing to play between such bolts and their openings in the jamb, there would be no space formed at the joint of the door. On the contrary, the grinding or ground surface (51, usually formed around the doorway substantially flush with a similar surface 60 on the door, would still be flush, and this would be the case until the plane faces of the door-lugs entirely left the plane or straight faces of the body-lugs, so that, although the door was rotated a distance corresponding to the entire area of the plane faces of the lugs, there would be no outward movement of the door, and consequently no opening of the joint around the door, whereas if the lugs had tapered faces or were in the form of threads the slightest back move ment of the door would throw it outward, and owing to the tapered formation of the door-periphery usual in such structures, opening up the joint. In the present structure before the joint around the door could be opened for the insertion of nitroglycerin, espeeially when the door is ground to its seat,

the bolts or other locking means which are used to prevent the rotation of the door must be entirely severed or broken.

One of the features of the present improvement in connection with the lugs described is the provision of means for forcing the door to itsseat. This means exerts a pushing force as contradistinguished from a drawing in force upon the door and is exteriorly located and in the present form thereof is also effective to start the door open. It comprises in the form shown a lever 20, located in the present instance upon a pivot 21, carried by the end of the crane-hinge 22, which supports the door and to which hinge the ring or other member 23, within which the door is rotatable, is pivoted and is therefore supported in a line located substantially centrally of the door. Carried by the body and which may be cast therewith or otherwise secured thereto is a cooperating member 24, shown having a hooked end 25 for the reception of a stud or button 26, which may be rotatably secured or fixed to the end of the lever 20. When the door has been swung nearly to its seat, this stud can be moved into the opening 27 of said member and constitute the fulcrum of the lever, so that by further pushing the handle of the lever toward the safe-body the door will be forced inward from the dotted-line position shown in Fig. l to the full-line position shown in said figure and firmly seated, whereupon on the rotation of the door by the usual gear mechanism the plane faces of the doorlugs will pass behind the plane faces of the body-lugs. To start the door open after the same is rotated to disengage the plane faces of the lugs, a pull upon the lever starts the door outward, the fulcrum-point thereof being in this instance its pivotal connection with the door. The construction is such that a cam action of considerable power is obtained.

The door is provided with an annular step or shoulder 3, which when the door is properly seated in its jamb engages the outer or front ends of the body-lugs 5, which thus limit further inward movement of the door.

Having thus described my invention, I claim- 1. A safe or vault comprising a body and a rotary door fitting its jamb, each having integral locking-lugs, each lug of one or both sets having its side walls inclined depthwise of the door and jamb respectively.

2. A safe or vault comprising a body and a rotary door fitting its jamb, each having locking-lugs provided with tapered or inclined side faces depthwise of the door and jamb respectively, the side faces of the door-lugs having greater inclination than the side faces of the body-lugs.

3. A safe or vault comprising a body and a rotary door, each provided with locking lugs or surfaces having relatively great length depthwise of the body and door respectively, the side walls of each lug of one or both sets thereof being inclined.

4'. A safe or vault comprising a body and a rotary door, each provided with integral looking lugs or surfaces of relatively great length depthwise of the door, each lug having its side walls tapered, the side walls of the door-lugs having greater taper than the side walls of the body-lugs.

5. A safe or vault comprising a body and a rotary door each provided with locking-lugs constructed to automatically position the door relatively to its seat to permit one set of lugs to be carried into position to engage the other set and lock the door against withdrawal.

6. A safe or vault comprising abody and a rotary door fitting its jamb, each having locking-lugs, each lug of one or both sets thereof having its side walls tapered or inclined to the plane of the door, and the meeting or looking parts of such lugs having plane surfaces.

7. A safe or vault comprising a body having a comically-formed jamb and a cone-shaped rotary door adapted to fit said jamb, each having integral locking-lugs, the side faces of which are tapered, and the meeting or looking faces of which are plane faces so that there is no appreciable tendency of the door to creep back in its jamb after it is rotated to its locked position.

8. A safe or vault comprising a body and a rotary door fitting its jamb, each having integral locking-lugs, the door-lugs having tapered or inclined side faces, and the meeting or looking ends of such door and body lugs having plane faces.

9. A safe or vault comprising a body and a rotarydoor fitting its jamb, each having locking-lugs provided with tapered or inclined side faces, the side faces of the door-lugs having greater inclination than the side faces of the body-lugs, and also provided with plane looking or meeting faces.

10. A safe or vault comprising a body and a rotary door, each provided with looking lugs or surfaces of relatively great length depthwise of the body and door respectively, and each lug of one or both sets having tapered side faces, the meeting or looking ends of such lugs having plane faces, so that there is no appreciable tendency of the door to creep back in its jamb after it is rotated to its locked position.

11. A safe or vault comprising a body and the side walls of the door-lugs being tapered or having relatively greater taper than the side walls of the body-lugs.

13. A safe or vault comprising a body and a rotary door each provided with locking-lugs having plane meeting faces or ends and also constructed to automatically position the door relatively to its seat to permit the plane faces of one set of such lugs to be carried into position to engage the plane faces of the other set.

14. A safe or vault comprising a body and a door fitting its jamb, each provided with a plurality of locking-lugs having relatively great length depthwise of the body and door respectively,and having plane meeting or locking faces terminating in beveled corners, the side walls of each lug of one or both sets being tapered.

15. A safe or vault comprising an unmachineable-metal body and an integral unmachineable-metal rotary door, each having circularly-located spaced integral locking-lugs having plane meeting or locking faces, and said door having a single step or shoulder, the surface between which step or shoulder and the outer face of the door is an unbroken coned surface.

16. A safe or vault comprising an unmachineable-metal body and an integral unmachineable-metal rotary door, each having circularly-located depthwise-extending spaced integral locking-lugs having plane meeting or locking faces and having, one or both sets, inclined side walls and said door having a single step or shoulder, the surface between which and the outer face of the door is an unbroken cone.

17. A safe or vault comprising an unmachineable-metal body and an integral unmaehineable-metal rotary door, each having circularly-located spaced integral locking-lugs having plane meeting or locking faces,and said door having a single step or shoulder, the surface between which step or shoulder and the outer face of the door is an unbroken concd surface, and means for exerting a pushing force upon the door to force it firmly into its seat to permit the plane faces of the door-lugs to be rotated into engagement with the plane meeting faces of the body-lugs.

18. A safe or vault comprising an unmachineable-metal body and an integral unmachineable-metal rotary door, each having circularly located depthwise extending spaced integral locking-lugs having plane meeting or looking faces and having, one or both sets, inclined side walls and said door having a single step or shoulder, the surface between which and the outer face of the door is an unbroken cone, and means for exerting a pushing force upon the door to force it firmly into its seat to permit the plane faces of the door-lugs to be rotated into engagement with the plane meeting faces of the body-lugs.

19. A safe or vault comprising a body and a rotary door each provided with locking-lugs constructed to automatically position the door, relatively to its seat to permit one set of lugs to be carried into position to engage the other set and lock the door against withdrawal, and means for firmly seating the door.

20. A safe or vault comprising a body and a rotary door, said body and door having integral locking-lugs having relatively great length depthwise of the body and door respectively, and means located exteriorly of the safe or vault for forcing the door into its seat to permit the door-lugs to be rotated into position to engage the body-lugs.

21. A. safe or vault comprising a body and a rotary door, said body and door having locking-lugs having relatively great length depthwise of the body and door respectively and provided with plane meeting faces, and means located exteriorly of the safe or vault for forcing the door into its seat to permit the door-lugs to be rotated into position to engage the body-lugs.

22. A safe or vault comprising a body and a rotary door each provided with locking-lugs having plane meeting faces or ends and also constructed to automatically position the door relatively to its seat to permit the plane faces of one set of such lugs to be carried into position to engage the plane faces of the other set, and means for lirmly seating the door.

23. A safe or vault comprising a body and a rotary door fitting its jamb, each having integral locking-lugs, one or both sets having inclined side faces, and both sets having plane meeting or looking faces, said structure having means for lirmly seating the door to permit the plane locking-faces of its lugs to engage the similarly-formed locking-faces of the body-lugs.

24. A safe or vault comprising an unmaehineable metal body having a conicallyformed jamb, and an integral cone-shaped, rotary, unmachineable-metal door adapted to lit therein, each having integral locking-lugs, the side faces of which are tapered, and the meeting or locking faces of which are'plane faces, said door having an annular step engaging the body-lugs and said safe or vault having means for tirmly seating the door to permit the plane locking-faces of the doorlugs to engage the similarly-formed lockingfaces of the body-lugs.

25. A safe or vault comprising a body and a rotary door fitting its jamb, each having locking-lugs provided with inclined side walls, the inclination of the side walls of the doorlugs being greater than the inclination of the side walls of the body-lugs, and the meeting or locking faces of which lugs are located in a plane parallel to the plane of the door, so that there is no appreciable tendency of the door to creep back in its jamb after it is rotated to its locked position, said structure having means for firmly seating the door to permit the plane locking-faces of the door and body lugs to engage. a 26. A safe or vault comprising a body and a rotary door fitting its jamb, each having integral locking-lugs, each having relatively great length depthwise of the door, the lugs of one or both sets having tapered or inclined side faces, and said structure having means for firmly seating the door.

27. A safe or vault comprising a body and a rotary door fitting its jamb, each having integral locking-lugs provided with plane meeting or looking faces and each having relatively great length depthwise of the door, the lugs of one or both sets having tapered or inclined side faces, and said structure having means for firmly seating the door.

28. A safe or vault comprising a body and a rotary door fitting its jamb, each having locking-lugs provided with plane meeting or looking faces and beveled corners to facilitate the grinding of the door to its seat, and means for forcing the door firmly into its seat to permit the plane face of the door-lugs to be rotated into engagement with the plane meet-. ing faces of the body-lugs.

- 29. A safe or vault comprising an unmachineable-metal body and an integral, rotary, unmachineable-metal door, each having integral locking-lugs provided with plane meeting or locking faces, one or both sets having beveled corners to facilitate the grinding of the door to its seat, and exteriorly-located means for forcing the door to its seat to permit the plane faces of the door-lugs to be rotated into engagement with the body-lugs.

30. A safe or vault comprising a body and a rotary door having cooperating locking surfaces or lugs provided with plane meeting faces located in a plane parallel to the plane of the door, one or both sets of such lugs having beveled corners to facilitate the grinding of the door to its seat, the side walls of one or both sets of such lugs being tapered depthwise of the jamb, and means for forcing the door firmly to its seat to permit the said plane meeting faces to contact and hold the door in its seat against any appreciable tendency to creep back in its jamb.

31. A safe or vault comprising a body and a rotary door having cooperating locking surfaces or lugs having relatively great length depth wise of the door and provided with plane meeting or looking faces, one or both sets of such lugs having beveled corners, the side walls of the door-lugs being tapered or having greater taper than the side walls of the body-lugs, and means for firmly seating the door to permit the plane faces of the doorlugs to be rotated into engagement with the plane faces of the body-lugs.

32. A safe or vault comprising a body and a rotary door, each provided with a single row of rigidly-secured spaced locking-lugs located circularly and having plane meeting or locking faces, one or more lugs of one or both sets having inclined or tapered side walls.

33. A safe or vault comprising a body and a rotary door, each provided with a single row of rigidly-secured spaced locking-lugs located circularly and having plane meeting or locking faces, one or more lugs of one or both sets having inclined or tapered side walls, the lugs of one or both sets having beveled corners.

3A. A safe or vault comprising a body and a rotary door, each provided with a single row of rigidly-secured spaced locking-lugs located circularly and having plane meeting or looking faces, one or more lugs of one or both sets having inclined or tapered side walls, the lugs of one or both sets having beveled corners,- and the lugs of the body being located substantially midward of the jamb and in position to be engaged on their outer ends by a step carried by the door and on their inner planefaced ends by the plane-faced ends of the doorlugs.

35. A safe or vault comprising a body and a rotary door, each provided with a single row of rigidly-secured spaced locking-lugs located circularly and having plane meeting or locking faces, one or more lugs of one or both sets having inclined or tapered side walls, and the lugs of the body being located substantially midward of the jamb and in position to be engaged on their outer ends by a step carried by the door and on their inner plane-faced ends by the plane-faced ends of the door-lugs, and means for firmly seating the door in its jamb to permit the plane faces of the doorlugs to be rotated into engagement with the similarly-formed faces of the body-lugs.

36. A safe or vault, comprising a body and a rotary door, each provided with a plurality of locking lugs or projections, the spaces between the side walls of each set of such lugs being sufiiciently greater than the width of the lugs which pass through such spaces to permit the door to be ground to its seat.

37 A safe or vault, comprising a body and a rotary door, each provided with a set of lockinglugs or projections, the spaces between the side walls of each set of such lugs being greater than the width of the lugs which pass through such spaces, and said lugs having plane looking or meeting faces.

38. A safe or vault, comprising a body and an integral rotary door each provided with a set of integral spaced locking lugs or projections located circumferentially of the jamb and door respectively, the spaces between the side walls of each set of such lugs being sufficiently greater than the width of the lugs which pass through such spaces to permit the grinding of the door to its seat, said lugs having plane looking or meeting faces so that when the door is rotated to its locked position there is no appreciable tendency of the door to creep back in its jamb.

39. A safe or vault, comprising a body and an integral rotary door each provided with a set of integral spaced locking lugs or projections located circumferentially of the jamb and door respectively, the spaces between the side Walls of each set of such lugs being sufficiently greater than the width of the lugs which pass through such spaces to permit the grinding of the door to its seat, said lugs having plane looking or meeting faces so that when the dooris rotated to its locked position there is no appreciable tendency of the door to creep back in its jamb, and means for firmly seating the door in its jamb.

40. A safe or vault comprising an integral nnmachineable-metal body and an unmachineablemetal, integral, rotary door fitting said body, said door and body having a circular series of integral locking-lugs having relatively great length dcpthwise ot' the body and door respectively and provided with plane meeting ends, and constructed so that the door may be ground to its seat, and means for forcing the door to its seat to permit the engagement of such plane meeting ends.

*1. A safe or vault comprising an integral un machineable-metal body having a conicallyformed jamb provided with integral lockinglugs located substantially mid ward of the doorjamb, and having relatively great length depthwise of such jamb and provided with plane locking-faces at their inner ends and tapering side surfaces, and an integral, rotary, unmachineable-metal door fitting said jamb and having an annular step adapted to engage said body-lugs at their outer ends and limit inward movement of the door, and also having integral lugs likewise having relatively great length depthwise ot' the door and provided opposite said annular step with plane faces to cooperate with the plane faces of the body-lugs to lock the door against withdrawal, such engaging plane faces preventing any appreciable tendency of the door to creep back in its door-jamb after itis rotated toits locked position, said door-lugs also having tapered side faces, the taper thereof being greater than the taper of the body-lugs, both said door and body lugs constructed to permit the grinding of the door to its seat, and exteriorly-located means for firmly seating said door to permit the plane face of the door-lugs to be rotated into engagen'ient with the similar faces of the body-lugs.

\VALTER BRINTON. Vitnesses:

JACOB STRUBLE, IIORAGE Wool).

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