US1018616A - Permutation-padlock. - Google Patents

Description

S. F. HOLMES.

PEBMUTATION PADLOGK.

APPLIUATION FILED 111111.?, 1911,

ro Z @ww/M Patented F6112?, 1912.

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SAMUEL Ff HOLMES,` OF LiOS ANGELES, CALIFORNIA.

PEnMUTA'rIoN-PADLOCK.

Specincation of Letters Patent.

y Patented Feb. 27, 1912.

iijppucaum-il med Maron 7, mi. serial No. 612,205,

Toallwhom it may comm:

Be it known; I, SAMUEL F. HOLMES, a citizen of the. United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented new and useful Improvements in Permutation-Padlocks, of which the following is a specifi-A cation.

This invention relates to improvements in locks, and particularly to portable devices or locks of the padlock type, and it is theY object of the invention to provide a permutation lock well guarded against easy ick ing, which will not require the use o the tendency of the spring being to keep the bolt key.

It is also an object of the invention to provide a padlock with a combination mechs anisin for permitting of the unlocking or locking of the device.

In the accompanying drawing forming a part of this specification, Figure l is a perspective view of the improved permutation padlock. Fig. 2 is a vertical transverse sectional v,i ew through the same. Fig. 3 is a central vi'ew taken longitudinally of the device and at right angles to the section of Fig. 2. Fig. 4 is a detail perspective view of one of the tumblers of the lock. Fig. 5 is a detail sectional view through a portion of the lookin casin showing the outer actuating tumb er of t e combination and the exterior knob connected therewith for turn ing it. Fig. 6 is a detail view partiallyI in section and artially in side elevation of the two part loc ing bolt employed in connection with the combination mechanism.

The details of the invention will now be more particularly described, reference being had to the accompanying drawing, in which- 1 indicates a lock casing, 2. a shackle piv-` oted therein as at 3, and 4 a bolt for securing the shackle in looked position. The casing and shackle may be of any desired or ordinary type suitable for padlocks or similar portable locks, and the said shackle is pro vided at its free end with u. notch 5 adapted to be engaged by a lip or projection 'i formed upon the bolt l. The end ot the shackle is` adapted to extend intr a slot T. formed in the casing l, its extremity being provided with a curved portion 5i, adapted to slide or force by the lip (i of the bolt.

The bolt t3 is preferably made in the forni i 9, within fhelcasin `1,.whi1epwithin the bifurcated portion o 1 the bolt 4 is mounted a bolt actuating arm or lever '16 having a projecting nose' 11, adapted' to bear u n one side of the bolt Ltfor drawing the lt out of locked position at pro r intervals. The

free end of the'lever Y10 is provided -with a laterally lextending flange 12, which restsl upon and engages the tumblers of the oombination portion of the lock.

A spring 13, preferably fulcriuned upon the pivot pin 9, bears at one end against the lipv 6 l,of the bolt 4 and at its other end against the flange 12 of the lever 10, the

a against the nose or projection 11 of the lever 10 under spring tension. The said spring, however, will yield sufficiently to permit the holt 4 to be forcedbackwardly .by the end of the shackle 2 when the said shackle is to be locked in position. The said spring of course will cause the lip 6 to antoinatically engage' the not/ch 5 of the shackle when the said shackle is closed.V The bolt mechanism is also preferably provided with a second spring 14 whicu is generally fulcrumed upon the pin Q and has one end extending into a recess 15 formed in the adjacent wall of the Casing 1. The other end of said sprin r bears upon the edge of the flange l2 upon -tie lever 10. The said Springinsures the riding of the said flange 12 upon the edges of lock tumblers and when the de pression in the tumblers permit the said flange 12 to be depressed, the said spring will force the lever 10 downwardly so as to withdraw the bolt 4 from its engagement with the shackle 2.

The Bange v12 is adapted to cooperate with a number of disks or combination tumlilers as 16,17 and 18. The disks 16,17and 18 are preferably made similar to those of the ordinary permutation lock, and the outer disk near the face of the. lock as 1, carried by a shaft 19 ivhirli projects through the troni, of the lock und has rigidly secured thereto au oijiernting knol 20. The said knob i5() is provided with a tlange 2l having an indicator mark or notch formed thereon.

Numerals as at B3 are provided upon the of the lock adiaceiit to the flange 2l so anni. by turning the knob 2O the notch may be made to come opposite first one nu- 55 of a bifurcated :mn pivoted by a pivot pin n :ifreii and then another, to work out the combination for opening the lock. All ofthe disks within the lock are provided avithdepressions as 24,Whicl,wheri` brought; beneath the flange 12 simultaneously, will permit of the dropping of the lieve/10 underthe action of the spring 14 for unlocking the shackle. The disk 16 is provided with lign'actuating'` projection 25, adapted to engage a projection 26. locatedv uponthe adjacent i'nterme diate disk 17. Both ofV the intermediate disks 1 7 are provided with projections or detents of similar character and the outer disk 18 is provided with a projection on' its inner surface only, as clearly shown in Fig. Q, the arrangement of all: the projections npcn the4 various disks being Suchthttt by turning the knob 20, firstl a givennumber of times in one direction and then a f given number o f times y H so hack and' forth for completing the combination, all of the disks may be turned to bring their notches 24:A in ali'nement` beneath the flange 12 of the lever' 10. f

lt will be apparent 'that the' project-ions may be arranged differenti' upon the disks to make different combinatlonsfor diit'erent locks, or the disks may be altered in their arrangements in the sartie lock so that the co nbination may be changed. The disks 17 unil 18 tue preferably carried by a Shaft 30, secured to the back of the casing and 3ro- `ject inwardly in alinem'nt with the s aft 1Q. which carries the knob and the disk 16. Thus when the face plaftcof the casing is fastened in position. the`com`bination meehanism will hc in rnadinessfor operation.

The structure ofthe bolt mechanism is particularly adapted fori padlock use inthat when lhc combination is' thrown off the parllork can he lockedby forcing the shackle inwardly past the spring'prsscd holt 4. The said shackle is then automatically locked by the action of the spring 13. lt can only be unlocked thon, by bringing all of the de 'pression or recesses 24"'of the disks in alinemcnt beneath the flange l2' of the lock lever lf). The operation of the mechanism has been l'nlly described iri setting Forth the foaturcsot thc invention and will he readily nnderstoml.

"hnt l claim is? l. .v\ pad lock mechanism, con|pri.-;in;- a pivotcd shackle, a spring actuated holt adapted to automatically lock the shackle npon its beingr closed; a lever pivotod adjaccnl to sai(` bolt and having moans engaging thc holt in on one .sigle for rocking it ont ot' cngagcn'icnl u'ilh the shackle1 said bolt he' ing l'rcc lo more in the other direction irreocetixo ol' said lover, a .si-ries of disks adapted to bc operated from the exterior of tho lock l'or controlling the action of said against said arm,

in another direction', and" lever, and spring means for normally holding the said lever against the said disk.

2. r'permntation `pad lock, comprising a casing carrying a pivoted shackle, locklng means therefor comprising a pivoted bolt, a controlling lever pivoted coaxially therewith and having an arm engaging the bolt and capable of withdrawing the same, a spring for normally keeping 4the bolt disks forming tumblers for 'controlling the action of thc said lever, and a spring normally forcing the said le` ver against the said tnmblers, the structure beingr suoli that the bolt may be forced 'in- Wardly to lock the .shackle when the lever'is i held in locked position by the said tumblers,

the said lei-'er being capable of withdrawing the bolt when the tnmblers permit.

3. A' permutation pad lock, comprising a casing, a shackle pivoted thereon, a Locking mechanism comprising two pivoted arms, one of said arms being formed with a bolt port-ion, and the other With a tumbler engaging portion, means carried by one arm Yfor. preventing the stud arms from separating tc too great an extent, a spring normally tending to separate the outer ends of said arms, a spring normally tending to force the tumbler engaging arm against tumblers, aseries of tumblers having recesses formed therein, andmeans for bringing the recesses into alinement for permitting the tumbler engaging arm to rock so as to withdraw the bolt from the said shackle. g

4. A combination padlock mechanism comprising a casing, a pivoted shackle, a bolt having a flange for locking the shackle, a pivot pin carrying said bolt, u lever mounted adjacent to the bolt and having e projection capable of rocking the bolt for withdrawing the same, the said lever'also boing pivoted on said pivot pin` a spring'for normally holding the bolt against the projef-tion ol said lever, a series of ombination disks having recess-cs formed therein, a .spring t'nh'rnmcd in the casing and adapted! to press4 the `said lcvcr against the edges of the disks, and a knob mounted exteriorly of tho padlock and connrcted with one of Said disks, and projections upon all ot' said disks cooperating for the movcmcht of the disks by .said knob, to bringr their depressions in -alincmcnt beneath the lever when the bolt is lo be witlnlrawn.

ln witness that l claim the foregoing I have hereunto subscribed my nanna this 28th lay of February, lflll.

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