US89817A - he mgrajs peters co - Google Patents

Description

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Be Aitknoqqvm' thatV I, `lilrrrimliu Vonne, of the city and county of San Francisco, State of California, have l.invented an, Improved Combination-Lock; and I-fdo hereby ydeclare the following description'and ,accom- .panying drawings are sufficient to enable any person skilled in the art .or scienceto .which it most nearly` appei'tains'fto make and use my said` invention o'rim- 'the tumblers and operating the' bolt;` and', secondly, a

stop for the bolt, which is operated; byalever. and a turn. operated These toothed wheelsam set before locking the safe, so that if the combination is not made correctlyat the iirst trial, 'the' stop will be forced out, land prevent the holt being moved.` Y ,n .l y. l. f

'By uieans of the wheelsand the lever, 'before men- `tio'n'ed, the "stop will'beforced back into its piace, when ra second trial'cau be made, and .thelbolt' can be drawn 'if thefco'mbination is correct; but if a second mistake be made,gthe stcpcannot be .again forced hack till the 'last 'toothed wheel has been turned halt` aroend,.ihich would` necessitate an immensenumber of'turus of the Theboltisoperated by an independentv knob, haw ing aniopeningntowhich a key of peculiar construction must `be introduced. This key prssesback a number of small arms, by means of spindles, so that they will 'move in grooves in a circular are, and thus alio'w theknohto betnrned, and 'the bolt moved,

.The combination 'may he 'changed at any time, byv

` means ofa series of 'smaller diskswithii the tumblers, and concentric with them, Iand which are secured by To more fully' describe my invention,l reference is made to the accompanying drawings', forming part of this specification, of which- Figure l, sheet 1,5is an outside view ci' theI knobs.v`

Figure 2 is a sectioualview, Ataken through ax, u`g.,1.

Figure 3, sheetrl, is a sectional view, ytaken,through Figure 4 is a view of the'bolt and `the,operatingmchanism. i"

Figure 5, `sheet2, is a view of the operating-wheels ofthe bolt-retainer.

Figure 6 is a back view of the lock,

Similar letters of reference in each of the drawings indicate like parts.

A repl'esentsa section ofthe door-plate of the safe, or the supporting-plate of the lock, and to which the lock is fastened. -f

Two openings are made through this plate, one for the spindle C, which operates the tumblers, and the other for the one D, which moves the bolt.

y communication with the interiorl of the lock.. .i f

" A secondary plate. LBJLS fastened 't0 the im fue ofthe door-plate A,` and has oblongopenings through it, .which correspond with the openings for each of the knobs, and are made larger at one end Athan at the other,.so that the short spindles() and D maybe introduced from the outside, and passed through both the plates A andB; alter which-the plate Bis moved,

. so thatthe smaller portion of `the openings encircle the necks or grooves inthese spindles at vthepoints au,

f thus preventing their being withdrawn.

i Each ofthe spindles` O'and D hasya square opening made in' its outerend, of suliicient depth to admit the `square ends b b.' of the stems e d..

, These stems hold, the knobs E and E in their places,

by means ofthe disks or plates K K', `s'liich set down over collars on the lowerends of the stems.

l jThe square openings serve to turn-the spindles, and

moveV the interior mechanismof the lock, when the knobs are operated, but ,are ,sov shallow that, should vthe knobsv be moved, there .would be no opening or y The V'knob E is fastened'to. the stem G by a screw, G, or Vother suitable. device, `and has on one side a sliding n bolt,- d, which maybe moved out or iii, so as to engage theprojectiononthe outeridisk, or not, as desired.

There are three of ,these disks, B, Iand J, forming Ia low cone, the inner one,or that which isnearest the doorplate, heingthe largest,.and restngon the disk 1:1,.Which is fastened to the plate A. f Y y l ,g The. conical disks H, I, andJ carrysmall projections or lugs, e, f, and g, which are .operatedcby the.bolt d,

i andby each other.

j The disk K has a sleeve, L', arising from its centre, and ,through which the stem c passes. Y i

This sleeve has vone sideflattened slightly, and the .washersh,i.i, andj,ibetween the disks, are yso made as to fit. thissleeve, as shown at L, and thus remain stationary, while the disks turn freely between them.

.The knob E', by which the vbolt is operated, is fastened to the stem c bya set-screw, F, and has au opening. inl the centre,vat the top, suicientlyrlarge to admit the,key M, and extending down to near the top of the stem c', at which point it is contractedso as to just allow the. Vslender stem k to pass through.

i. AA small lug projects into `the key-hole, as shown at l, and the side of the key is slotted in a peculiar manner, so as to allowy it to pass in, and be turned pai'- tiallyaround.v .i y .Y l Within the lock are the .tumblers N, LO, andliwhich are Y operated from the spindle 0,*the .toothedwheels Q, R, S, and T, thebolttU, and the devices contained in the case V, and connected with the knob F and the key, so as to operate and' control the lmovements of the bolt. p i

These tumblers N, O, and P are circular disks, with a slot on one side, and having within them, and congenti-ic with them, the smaller disks, as shown at N', 5. gThese, smaller disks are movable within the tumblers, by loosening the set-screws m m, so,that a new combination may be made, when they are again made ti ht.

gWithin the disks N' are small sleeves, O', around which the tuinblers rind the combination-disks revolve, but which are themselves stationary, as they fit the central stem, which is square where it passes through them. Each of the'disks N has a small piece of metal, n, passing through it, or fastened to it, and forming a lug on each side, so that the lug aon the inner end of the spindle G, operates the first tumblerN by means of its lug, turning it till it comes in contact with the lug of the next tumbler, O, when that is likewise moved, and the last, inthe same manner. g

The lng of the tumbler P operates the arm p, and thisv in turn moves the ratchet Q', by means of the vibrating arm W, carrying the pawl X.

. The pawl Y is stationary, andv Jcolds thel ratchet when the pawl Xis moved back one tooth, by turning the knob E (and by its agency eventually the tumblers and the arm p) in an opposite direction.

The toothed wheel R is moved forward one tooth by a whole turn of the ratchetQ, by--means of 'a largerv tqoth on one side; the wheel S, in the saine manner,

by R, and T by S. The wheel T 'has two pins on itsouter side, by which the leverZ is moved, and the stop y R forced back into place.v

The bolt' U is made with a slot transversely, within which the stop R moves, being thrown out, when released, by the spring T.

'.lhe stop has a small spring, r, which, when itis pressed back, forces the sliding-plate r down, so that .the slot through which the rear end, R2, of the stop passes, holds it, by means of a small shoulder.

The sliding-plate r releases the stopwhen it is pressed back by contact with the tumblers, which happens when the combination is not set right. When an attempt is made to draw the bolt, 'when the stop is out, the stop is brought into contact with a post, s, which prevents any further motion till, by means of the lever Z, the stop has been returned to its place.

A flat plate, s', extends back from the bolt, and is connected with the oblong hollow case or chamber V by means of a link, t. The chamber is made with a square opening at the lower or 'front end, so as to t over the end of the. spindle D, and be turned by it, thus moving the bolt.

Within the chamber is a sliding block or plate, u, .having the arms 1, 2, and 3 projecting through vone side' of the chamber, and a little'beyond it.

A spring, V', keeps the plate 'u down against the front face of the chamber until the key is inserted in the knob, as before described.

A small stem, It, is fastened to the plate u, and ex- .tends nearly through the spindle D, in a line with the stem k, so that as k is pressed down by the key, it moves K, and forces the plate -u back, carrying with it the arms l, 2, and 3.

Around the outside of the case V is placed a plate, w, carved so as to form a segment, having the same .centre as the case.

This segment is firmly fastened to the lock-plate, and is grooved, as shown at w', fig. 3, so that when the arms 1, 2', and 3 are raised, they will move in these grooves, but when the lkey is removed, the arms would be stopped by the edge of the plate w, and the bolt 7, on the back of the lock, and which are attached to.

the spindles of the toothed wheels Q, R, S, and l-, respectively, are turned around till their indices point to vthe Vdots shown on 'the lock-plate outside their periphery. This brings the wheels into a position where each is ready to act on the next, if moved, and also moves the lever Z, and presses the stop R* back, so that the bolt can move.

'lo unlock the safe, the knob E is turned till the bolt o'r piu ll is brought into contact with the lug e, e with f, and f with g. The combination being known as 10, 2(1), and 40, or" any other desired, the disks H, I, and J are all turned till the proper number on the disk J corresponds with the point or index G' on the plate K. The knob is then turned back `and'for\vard till the numbers on the disks I and H successively are brought into line. The 'key M is then inserted in the key-hole in the knob F, and turned to a position where it will hold the arms l, 2, and 3, before described, opposite the grooves w' w', in the segment w.

rlhe setting of the numbers correct-ly brings the slots m in the tumblers into a line with the sliding plate 1, so that-as the knob F is turned, and the bolt withdrawn, the' plate r enters the line of slots in the tumblers, andthe safe is unlocked.

But if the combination be incorrectly made, lthe slots 'm' will not all be in the proper' line, and when the attempt is made to draw the bolt, the plate lr stl ikes the edge of some one of the tumblers, and releases he stop R3, which Ilies out, and makes it impossible to move' the bolt. It will then be necessary to turn the knob E and the tumblers till the'lug n, on the tumbler P, shall move the arm p,- thus turning the arm W, pawl X, and the wheels Q, R, S, and T, the last one, T, moving the lever Z,.and.pressiug the stop'R back into place. If the mistake be made a second time, the knob will have to be turned back and forward a ver-y great number of times, till the wheels 'are again brought to their first position, before another trial can be made.

Having thus described my invention,

-What l claim as new, and desire to secure by Letters Patent, is

1. The combination of the stem c', holding-plate k', and socket-stem D, substantially as described.

2. The stop R, with the catch r, the sliding plate r, and spring T, for holdingand releasing the stop, substantially as and for the purpose herein described.

3. The tumblers N O P, with the lugs n n n, the arm p, the wheels Q R S .l, andthe lever Z, the'whole operated from the knob E, for retreating the' stop R, substantially as described.

4..r The device for controlling and operating the bolt, consisting of the rotating case V, the plate n, with its armsI 1,2, and 3, the spring V, the stems k k,'and the key M, together with the slotted segment w, the whole connected and operated substantially as herein described.

In witness whereof, I have set my hand and seal.

EP. VORBE. [1.. s.] Witnesses:

W. J. MASON, J. L. BOONE.

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