US157258A - Improvement in permutation-padlocks - Google Patents

Description

.1'. M. wlLLBu-RV. Permutatiun Pad-Locks'.

Patented Now-24,1874.

Zbl/@Joes UNITED STATES- PATENT Orrrcn.A

JAMES M. WILLB'UR, OF NEW YORK, N. Y.

IMPROVMENT IN PERMUTATlON-PADLOCKS;

Specitication forming part of Letters Patent No. 157,258, dated November 24, 1874; application filed April 25, 1.874.

To all whom t may concern Be itknown that I, J AMES M. VILLBUR, of the city, county, and State of New York, have invented certain new and useful Improvements in Permutation Padlocks; and I do hereby declare the following to be a full and exact description of the same, reference being had to the accompanying drawings forming part of this specification, in which- Figure l is a side elevation of my improved lock. Fig. 2 is a longitudinal section with a portion of the mechanism removed. Fig. 3 is a similar section of the entire lock, showing it in a position to release the bow. Fig. 4. is a transverse section through line m fr, Fig. 3. Fig. 5 is an end view 'of one of the ianged collars detached. Fig. 6 is a transverse section, showing the parts locked 5 and Fig. 7, a View of one of the end ratchet plates or disks.

Similar letters of reference in the accompanying` drawings denote the same parts.

This invention has for its object to provide a permutation-padlock which shall be capable of being locked on a single combination, or on a great variety of combinations, and which shall give an alarm by an inclosed bell or gong whenever an attempt is made to unlock it.

To these ends my invention consists in the improvements in permutation-padlocks, which I will now proceed to describe and point out in the claims.

In the drawings, A A represent sockets or projections on the ends or heads of the padlock, which receive the pivoted and swinging ends of the bow B, the latter being pivoted to the socket A, as shown. The heads C C',

to which the sockets A A are attached, are made hollow, for the purpose of receiving bells or gongs D D', which will be further alluded to hereinafter. To the inner side of the head C is attached a tubular rod or sleeve, E, which extends to the head C', and abuts against the latter when the bow is locked, as shown in Fig. 2. The head C is attached to a rod, F, which enters the sleeve E and extends to the head C when in the position shown in Fig. 2. The rod F has lateral pins Gr, which project into slots H in the sleeve E, as shown' in Figs. 3 and 4. The rod F is, therefore, adapted to move longitudinally in the sleeve E, its play being limited by the slots H and pins G,

' lt will thus be seen that the head C is capable of, being moved toward or away from the head O, thereby locking or unlocking the bow B, 'the latter having a recess, I, in its swinging end, with which engages a shoulder, J, on the socket A', when the latter is moved inward, as shown in Figs. l and 2. By moving the head C' in the opposite direction the shoulder J is withdrawn from the recess I and the bow is released, as shown in Fig. 3.

I have thus far described simply the operation of the sliding head in locking or unlocking the padlock without reference to the means employed for holding or locking the same in the position in which it engages with and locks the bow. This is accomplished as follows: A series of anged collars, L, are arranged on the sleeve E, said collars having orifices M in the center andfltting on the sleeve, asshown in Fig. 3. The collars are provided with a ilange, N, of such width that when they are placed in juxtaposition on the sleeve, a space or annular chamber, O, is formed between each collar of the same width as the thickness of the collars. Each is also provided on the lower side with a slot or recess, l?, opening into the orifice M, and ion the periphery near the upper side with a radially-projecting stud or pin, R. The rod F of the sliding head C is provided on its lower side with a series of rectangular projections, S, corresponding in number to the collars L, and projecting through a slot, E', in the lower side of the sleeve E, said slot extending the entire length of the latter. The projections S have spaces S between them, said spaces being slightly wider than the thickness of the langed collars L. The slots P are adapted to pass over the projections S in placing the collars L on the sleeve E. T represents a series of rings inclosin g the anged collars L, the rings being of about the same thickness of the collars and flanges.

The interior diameter of the rings T is such j as to fit easily over the collars L, and is provided with a seriesof radial recesses, U, prefl adapted to receive the projections R of the collars L. V represents a series of orifices near. the periphery of the rings T, the number of said orices being the same as that of the recesses U.

In putting the parts together, the flanged collars L are first applied to the sleeve, their recesses P passing freely over the projections S of the rod F. The rings T are nextlput in place, each ring covering one of the flanged collars L, and being engaged with it by the stud or pin R of the latter entering one of the recesses of the former, the two being thus adapted to turn together independently of the rest.

The rings are provided on their peripheries with any desired arrangement of letters and numerals, and with milled projections to facilitate their turning. In adjusting the rings, the combination in which the lock is to be operated is previously determined. Supposing the combination to be the numerals l 2 3 et 5 6, the rst ring is placed on its collar with its numeral l in line with suitable marks on the heads C C', the second with its numeral 2 in line with the numeral l of the first, and so on through the whole series. The letters and numerals on the periphery of each ring correspond in number to the internal recesses U, and each character is on a radial line with a recess. The pins R are arranged in line with each. other, and with the marks on the heads U C', when the collars are first applied, and constitute guides for the rings T, each ring being applied with the character on its periphery, which enters into the combination over the stud or pin of the corresponding collar, so that, when the rings are all in place, the characters forming the combination are in line with each other and the marks on the heads. The head G' is then screwed on, and pushed inward, so as to engage its shoulder J with the recess I of the bow. When in the latter position, the projections S of the rod F are in the annular chambers or spaces O of the collars L, said projections having been up tofthis time in line with the recesses P. The rings and collars are now turned, so as to throw the recesses P, or any one of them, out of line with the projections S, as shown in Fig. 6, and the whole arrangement is locked, the projections preventing any longitudinal movement of the collars on the sleeve.

I have shown six rings and collars between the heads C C', each ring having twenty characters on its periphery, and twenty internal recesses, and being adapted to be locked in twenty different positions. Each ring and collar turns independently of the rest, and it will be readily seen that a great variety of combinations can be made. If it is desired, however, to confine the lock to a single combination, I provide a unison-rod, W, which is inserted into a line of the orifices V of the rings T, and extends through the whole series, as shown in dotted lines in Fig. 3, connecting them, so that they will all revolve together, their slots P being in line when the rings are thus united.

This device I propose to employ for a nightlock, as it adapts the lock to be opened by turning the rings until the slots P are in line with the projections S, therebyT greatly simplifyin g the operation.

The rings and collars heretofore described are located between two disks, X X', at opposite ends of the sleeve, the whole being con` Vfined on the sleeve by a nut, Z, screwed onto the outer end of the sleeve, as shown in Fig. 3, the inner end of the sleeve being provided with a shoulder, a, which fits into the recess O of the first collar L. By this means the rings and collars can be tightened, so as to prevent them from turning too readily when the lock is open, and to take up the wear of the proximate edges. The sliding head C' has a recess, b, which fits over the nut Z when the lock is closed, as shown in Fig. 2.

The disks X X' are provided on their outer sides Withrecessed ratchet-teeth c, and each has on its inner side a stud or pin, d, which engages with one of the orifices V of the adjacent ring T, as shown in dotted lines in Fig. 3, the disks being thereby adapted to rotate with the rings.

As before mentioned, the heads C C' are hollow, and contain gongs or bells D D', which are suitably secured therein, as shown inFigs. 2 and 3. c c' represent sprin g-hammers, attached to suitable supports within the heads C C', and projecting through slots in the inner faces of the heads, the outer or spring ends of said hammers entering the recessed sides of the disks X X', and being acted on by the ratchetteeth c, in such manner as to be depressed by each tooth when its disk is rotated, each depression being followed by a release, which causes the hammer to strike the bell. Neither disk can be turned over one-sixth of a revolution, therefore, without striking one of the bells; hence no attempt can be made to open the lock without giving an alarm. The heads U C' are perforated, so as to render the bells audible. The disks X X' have a suitable number of orifices, V, for effecting their unison with the rings T by the rod W, when desired, and may be provided with studs or pins in place of the recessed ratchet-teeth shown.

The construction of the lock is such as to combine strength with simplicity.

It will be noticed that the flanges N of each collar L has a shoulder, which fits over an annular recess on the proximate face of the next collar, the whole series being thus supported, the inner one bearing on the shoulder a. of the sleeve E.

The sliding head C' is strengthened against lateral displacement, and prevented from longitudinal displacement, when the lock is open, by the nut Z and pins G, the former entering the recess b, and the latter bearing against the ends of the slot H.

By the use of the unison-rod W, the rings are set with their slots in line, as above stated; consequently both bells are rung when the combination on which they are arranged comes in line with the marks on the heads, thereby indicating when the lock is in position to be opened.

The rod F is screwed to a suitable socket in the sliding head C', as shown, the latter being thus adapted to be removed for the purpose of altering the combinationor ececting repairs Without the use of a wrench.

I claim as my invention- 1. The head G, having the 'sleeve E, pro-v vided With slotsH and nut Z, in combination with head C', having the recess b, and rod F, provided with pins G, substantially as described, 'or the purpose specified.

2. The head C, having the sleeve E, collar a, and nut Z, in combination with the disks or washers X X', rings T, and lianged collars L, substantially as described, for the purpose specied.

3. The rings T, having orices V, and adapted to be connected by a unison-rod, W, substantially as and for the purpose specified.

4. A permutation padlock having hollouT heads or ends inclosing bells or gongs, the latter being adapted to be rung by the operation of the locking devices interposed between the heads, substantially as described, for the purpose specified.

5. The disks X X', having teeth or studs c and pins d, in combination with the rings 'l and spring-hammers e e', substantially as described, for the purpose specified.

. J. M. WILLBUR. Witnesses:

MELVILLH CHURCH,

NATHAN K. ELLsWoRTH.

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