US92844A - Improvement in combination-locks - Google Patents

Improvement in combination-locks Download PDF

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Publication number
US92844A
US92844A US92844DA US92844A US 92844 A US92844 A US 92844A US 92844D A US92844D A US 92844DA US 92844 A US92844 A US 92844A
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Prior art keywords
spindle
wheels
knob
wheel
lock
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00Permutation or combination locks; Puzzle locks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7153Combination
    • Y10T70/7181Tumbler type
    • Y10T70/7198Single tumbler set
    • Y10T70/7237Rotary or swinging tumblers
    • Y10T70/726Individually set
    • Y10T70/7271Associated movable operator
    • Y10T70/7288Spindle operator
    • Y10T70/7299Axially shiftable spindle

Definitions

  • Figure 2 is also a rear elevation of the lock.
  • Figure 3 is a vertical section of the lock, drawn on the line a: of iig. 1, being lenlarged to show more clearly th'esmaller parts.
  • Figure 4 is a i-ont elevation of the lock.
  • Figure 5 is a section of the drive-wheel WA and the rear endof the spindle S, showing the manner ofcounecting the two together, and is on the same enlarged scale as fig. 3.
  • Figure 6 is a 'front elevation of one of the wheels or tumblers.
  • Figure .7 shows the form ofthe washers.
  • Figure S is a side elevation of one of the wheels
  • Figure 9 shows the relative position of the outer nptches, n, and the inner projections n of the'several wheels, as seen from the back side, they all beingrear elevations.
  • the design of my invention is to produce a simple and convenient permutation-lock that shall be suitable' for drawers, cupboards, and other places, although some portions of the invention are equally well adapted for safes, vaults, and such other places as require the strongest locks.
  • D is a cylinder containi ug wheels W and washers Wm.
  • XV is the drive-wheel, and has attached to it a tube, W", that extends forward through the knob K.
  • S is a stem or spindle, for operating the wheels or tumblers W, and it extends through the drive-wheel NV and the tube W", and has a small knob, S', attached to its front end.
  • the spindle S may be drawn out to the position shown by the dotted lines, when the inner end will be entirely out ot' allthe wheels lV.
  • K is the principal knob. It is formed in one piecel with the dial E, and is secured to the tube W" by a suitable set-screw, not4 shown. By turning the knob K, thedrive-wheel 'f is turned also.
  • a screw-pin, m' passes through the wheel W into a recess, c, out in the spindle S, so that the spindle and wheel W will turn together.
  • the said y recess c extends lengthwise along the spindle S, far enough to permit the-spindle to be drawn out a distance equal to the combined thickness of all the wheels vand washers in the cylinder D.
  • the screw n', spring n", and pin In are all contained within a hole drilled iu the wheel XV, as seen in figs; 3 and 5.
  • H, H, H', and H together with the tube D, are Iall one piece, and form the front poition of the case of the lock.
  • 'H" forms acyli'nder, and is designed as a bearing of the part H, and. one of them forms a guide for the bolt B.
  • I is a plate or ling, to be secured to the outside of the drawer, door, or other article to which a lock may be fitted.
  • the wheels W have each a hub, fw, on their front side.
  • Such hubs when in the cylinder D, turn within the holes y of the washersi ⁇ T, (see iig. 7,) such washers forming bearings for the wheels W, so that the said wheels may be made somewhat smaller than the cylinder D, and yet be retained in proper position by the washers'.
  • the washers are made so large as to fit the cylinder .very exactly.

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  • Lock And Its Accessories (AREA)

Description

tinted sans @anni Grillini.
ISAAC W. LAMB, or sALntLMIcHIGAN.
Letters Patent No. 92,844, dated July 20,1869.
IMPROVE:Mrnvr 1N COMBINATION-Locks.
The Schedule referred to in these Letters Patent and making parof the same.
being had: to the accompanying drawings, which form a part of this specification, in which- Figurel is a rear elevation of one of my` improved locks, representing a portion of the back case .broken away to show the position of the parts.
Figure 2 is also a rear elevation of the lock.
Figure 3 is a vertical section of the lock, drawn on the line a: of iig. 1, being lenlarged to show more clearly th'esmaller parts. Y,
Figure 4 is a i-ont elevation of the lock.
Figure 5 is a section of the drive-wheel WA and the rear endof the spindle S, showing the manner ofcounecting the two together, and is on the same enlarged scale as fig. 3.
Figure 6 is a 'front elevation of one of the wheels or tumblers.
Figure .7 shows the form ofthe washers.
Figure S is a side elevation of one of the wheels,
Ashowing the hub on which it turns.
Figure 9-shows the relative position of the outer nptches, n, and the inner projections n of the'several wheels, as seen from the back side, they all beingrear elevations.
Similar letters of' reference indicate corresponding parts in the several figures.
The design of my invention is to produce a simple and convenient permutation-lock that shall be suitable' for drawers, cupboards, and other places, although some portions of the invention are equally well adapted for safes, vaults, and such other places as require the strongest locks.
(l 'C C is-the back ofthe case.
Bis the bolt to which, at the lower end, is pivoted the dog a a.
D is a cylinder containi ug wheels W and washers Wm.
XV is the drive-wheel, and has attached to it a tube, W", that extends forward through the knob K.
S is a stem or spindle, for operating the wheels or tumblers W, and it extends through the drive-wheel NV and the tube W", and has a small knob, S', attached to its front end.
By means ofthe knob S the spindle S may be drawn out to the position shown by the dotted lines, when the inner end will be entirely out ot' allthe wheels lV.
K is the principal knob. It is formed in one piecel with the dial E, and is secured to the tube W" by a suitable set-screw, not4 shown. By turning the knob K, thedrive-wheel 'f is turned also.
A screw-pin, m', (see iig. 5,) passes through the wheel W into a recess, c, out in the spindle S, so that the spindle and wheel W will turn together. The said y recess c extends lengthwise along the spindle S, far enough to permit the-spindle to be drawn out a distance equal to the combined thickness of all the wheels vand washers in the cylinder D.
1' li 'i t' t', (see fig. 3,)-a-re small notches cut in the' spindle S. A small pin, w, is pressed into the notches i, by means of a spring, a, the said spring being retained in place by the small screw n.
The screw n', spring n", and pin In, are all contained within a hole drilled iu the wheel XV, as seen in figs; 3 and 5.
H, H, H', and H", together with the tube D, are Iall one piece, and form the front poition of the case of the lock. 'H" forms acyli'nder, and is designed as a bearing of the part H, and. one of them forms a guide for the bolt B. l
Two screws, ,b b, seen in iig. 3, hold the parts of the 'y case together, the plate C C being tapped for 'the screws.
mis a cap, designed to secure the wheelsW, and retain them within the cylinder D.
Two nuts, r fr, working on the screws b b, secure the cap fmI in place.
I is a plate or ling, to be secured to the outside of the drawer, door, or other article to which a lock may be fitted. A small mark, z, 4', on the same, forms an index or point to which the `figures of the dial are to be turnedin opening the lock. i
The wheels W have each a hub, fw, on their front side. Such hubs, when in the cylinder D, turn within the holes y of the washersi` T, (see iig. 7,) such washers forming bearings for the wheels W, so that the said wheels may be made somewhat smaller than the cylinder D, and yet be retained in proper position by the washers'. The washers are made so large as to fit the cylinder .very exactly.
By this arrangement, having the hubs of the wheels turn in the washers, I secure a goodsmooth bearing for the wheels, notwithstanding the wide opening in the cylinder D, on the side nekt the dog .a a', and also without using the spindle S fora bearing, as is commonly done by others.
I change the combinations by placing the wheels lV in the lock indifferent order. I use solid wheels, with fixed notches In and projections or notches n', they' being similar in this respect to those explained in the Letters Patent granted to me, December 17, 1867.
f Other yarieties of wheels may be used, however, in carrying out the improvements claimed by me in the, present' case.'
' in the recess S, that is eut in the spindle S.
Now turn the knob K to the right until the figure S on the dial is up to the point z. (See fig. 4.) The -notchn, of the wheel No.. 8, will now be opposite or next to the end a of the dog a a'.
Now draw out on the snm-ll knob S until the spindle S is drawn out of the wheel No. 8. The spring-pin n, operating inthe notches'i. 'i t' i of the spindle, enables the operator to feel when the spindle is drawn ont :t distance equal to the thickness of a wheel.
After "drawing the spindle S out of the back wheel, turn the knob K until figure 6 on lthe dinl comes to the niark. The wheel No. 8 will not turn. Now the notch ln, of wheel No. 6, is opposite ce' of the dog. Draw out the small knob again until the spindle comes ont of wheel'No. 6. Turn the knob K again until figure 5 on the dinl comes opposite the nia-rk, and wheel No. 5 will be in place. New draw ont the knob S again. Turn the knob K aga-in until figure 4 on the dinl is oppositethe mark, and draw out ngnin.
The spindle and small knob are now in the position shown by the dotted lines in fig. 3. The notches u of n-ll the wheels W are new opposite a of the dog. j
Now turn the knob' to the right, and us soon as the notch n of the drive-wheel XV comes opposite the part a" ofthe dog, the spring s will throw the dog into the geen 2 notches n, :md as the knob K is turned on to the right, the dog a al and bolt B will be drawn back and nnlocked.
To lock the bolt, it is only necessary to turn the Continue to turn to the left, and :it the sinne time press in gently on the small knob S', and es the spin'- dle turns, the recess will come on n line with the projection vn of the wheels, one by one, and n-s soon :ts that occurs, the spindle will enter the wheels, one by one, until it is again in the position shown in fig. 3.
For bank-locks, I make the spindle S in two parts, the head, or part that turns the wheels, being a. sleeve, and free to slide out and in on the spindle S, but turningwith it, :L coiled spring on the spindle holding the heed bnck in place. Yet the spring, heilig elastic, would allow the spindle to be pushed imif'ithout pushing in thesnid heed, even though the recess S" of the bend should not be opposite the projections n of the wheels, thus protecting the lock against injury.
This plan for protect-ing the lock is fully described in my patent, granted December 17, 1867, and need not be further explained here.
W'hnt I claim its new, :ind desire to secure by Letters Patent is- The combination of the dinl E with the tube W, drive-wheel XV', und spindle S, substantially :Ls and for the purpose herein explained.
ISAAC W. LAMB.
lVitnesses:
BELLE \V0o1 wo1TH, Uns ULA. Simmons.
knob to the left, :nid the bolt will be thrown out.,
US92844D Improvement in combination-locks Expired - Lifetime US92844A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821077A (en) * 1954-03-13 1958-01-28 Terce Paul Joseph Jean Permutation device for a latch of a lock
US4100776A (en) * 1975-12-31 1978-07-18 Fichet-Bauche Combination lock for safes and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821077A (en) * 1954-03-13 1958-01-28 Terce Paul Joseph Jean Permutation device for a latch of a lock
US4100776A (en) * 1975-12-31 1978-07-18 Fichet-Bauche Combination lock for safes and the like

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