USRE11152E - taylor - Google Patents

Description

2 Sheets-Sheet 2.-

Assignor to THE YALE & TOWNE MANUFACTURING COMPANY.

W. H. TAYLOR.

. 34411244170 z WARREN hf 7:4 a OR. 3513 .12: 8 mum LOOK.

Reissued Mar. 17, 1891.

wit messes .UNIT'ED STATES PATENT OFFICE.

WARREN I-I. TAYLOR, OF STAMFORD, CONNECTICUT, ASSIGNOR TO THE YALE' (it TOWNE MANUFACTURING COMPANY, OF SAME PLACE.

srnonxoatrrolv forming part of missiles Letters Patent No. 11,152, dated March 17, 1891.

Original 1T0. 403,705, 'dated'lliay 21 1889. Application for reissue filed April 21, 1890. Serial No. 348,923. I

n p I To all whom it may concern:

Be it known that I, WA REN H. TAYLOR, of Stamford, in the county of Fairfield and State of Connecticut, have invented certain new 5 and useful Improvements in Locks, of which and operation of my improvements and their proper relations to ordinary lock mechanisms when applied to use.

In the drawings, Figure 1 is a view of my improved lock, with the cap-plate removed, applied to apostoffice-box door. This figure shows the two parts of the tumblers separated. Fig. 2 is a similar'view showing the two-parts of the tumblers engaged and the main lock-key turned into the position for unlocking. Fig. 3 is a section on the line 3 3 of Fig. 2. Fig. 4. is a view of the lock with thecap-plate in place. Fig. 5 is a view of the' interior of the lock-ease with the working parts removed. Fig. 6 is a bottom view of 'the-eap-plate. Fig. 7 is a view of a group of 35 parts separated into nine divisions, so 'as to show them individuallyinperspective. Fig. Sis a view of two different main lock-keys.

. Fig. Dis a view of an auxiliary key. Fig. 10 isa central section on the line 10 10 of one of the parts shown in Fig. '7. Fig. 11 is a central section on the line 11 11 of oneof the parts shown in Fig. 7. Fig. 12 is an enlarged View of a portion of the bottom part of the cap-plate. Fig. 13 is a sectional view show ing that the lock-plate has entered the notch in the auxiliary key, so-that thekey cannot be withdrawn.

A indicates a lock-case, and B a cap-plate.

The case is provided with corner-lugs C C to receive the cap-plate fastening-screws D D.

' The case is also provided with a block E for containing the sliding bolt-rod F and its spring G, the rod being pivoted to the pivoted latchbolt H, as shown.

1 indicates a cam-slidefor the purpose of operating the fence K (that has tongue K to enter the tnmbler-gatings) and for communicating its motion to the bolt-rod F and latchbolt H.

-L indicates the key-hub, and M the cam engaging with the cam-slide Iby means of a lug I. I

'0 indicates pivoted spur-geared spring; tumblers of ordinary construction, adapted to be turned on their pivots by the operation of the key.

P'indicates the circular parts of thetumblers, which are provided with spur-gearing,

as usual in this class of. tumblers, composed each of two different parts geared together.

Q indicates a spring operating upon the fence, tending to keep its tongue K out of engagement with the gatings R in the circular parts of the tumblers. Thecap-plate of the lock is provided with lugs T U-V \V, for the purpose of bearing upon the internal movable parts of the lock and holding them in place.

All of the parts of the lock thus far mentioned are of usual construction and need not be further described.

Coming now to. the peculiar parts of the lock that constitute my invention, it will be observed that the circular parts of the tumblers are mounted upon a carrier-plate X, which is actuated by a coiled spring Y. The carrier is in turn mounted upon an oscillating seat Z, having an arm a, by which it is pivoted to the ease atl). The seat is provided with a post 0, which extends through the cap plate, and is provided with a thumb-nut (Z, serving as a handle for oscillating the movable parts described below. The carrier is provided with a post 0, which engages with the circular parts of the tumblers and always tends to throw them around to the point where their gatings Bare in alignment, as shown in Figs. 1 and 2. The seat Z is pro- .vided with a slotted key-post f to receive" the the carrier and the circular parts of the tumblers.

'2? indicates a covering-arm, which is pivoted at b and with the seat Z and post 72' consti- I just above mentioned to one'si'de, so that the teeth of the different parts of'the tumblers are engaged for operation.

It will be observed that the. keyg is ta-- pered at its end. This is for the purpose of pushing back and disengaging the latch 1 from the key-post, which is done by the mere insertion of the key to place. Then (when the thumb-nut d is loosened) the parts of the tumblers are no longer locked together; but the circular parts of the tumblers, the key-post, and

all the parts carried by the pivoted frame mentioned can be moved to one side, so as to disengage the parts of the tumblers. It will be observed, further, that the key 9 is notched at 'm. The result is that when the parts are pushed to one side, so that the 'tumbleegears are disengaged, the edge of the cap-plate has entered this key-notch, asishown in Fig. 13, so that the key cannot be withdrawn. The object ofthis arrangement is that the auxiliary lock-key cannot be removed except when the gears of the parts of the tumblers are properly engaged and all the lock mechanism is in position to be operated by the main lockkey a for turning the key-hub L.

Between the tumblers. for the purpose of separating them, I provide a thin'furringplate 0, secured in place by the tumblerpivot 10 and the post h, as is usual in look mechanism. In my 1ock,however, in order to 'accom modate the oscillating movements of the pivoted frame above mentioned and the parts itcairles', I provide a slot g in the furring-plate, which receives the post h. The

. thumb-nut d, in addition to its function as a handle to move the post a to one side or the other in the slot/r in the cap-plate, serves to hold the oscillating parts in place by'being -'serewed down tightly against the cap-plate.

I therefore have an additional means besides the spring-latch Z forldcking the two parts of the tumblers together.v

Theoperationflof, my'improvemen ts for the purpose of changing the combination is as follows: Suppose both of the keys to be out of the lock and it was desired for some reason to change the combination of the lock so as to use a new main lock-key. The first thing i to do would be to insert the auxiliary look-v key ip its post and unscrew the thumb-nut (Z.-

This would disengage the fastenings which hold the diflerentparts of the tumblers in engagement. Then by'pushing the thumbn'ut on one sideth'e circular parts of the tu maolers will be swung out of'engagement with" When the airthe spri-ng-actutated' parts. cular parts are thus moved out of engagement with the spring-actuated parts, the action of the coiled spring Y, Fig. 10, revolves the car-- rier X and carries the circular parts around against the auxiliary key,which then acts as a stop until the gatings of the tumblers are all in line. The eireularparts are then in proper position for re-engagement with'the springactu-ated parts,w-hich are operated by the main locking-key, and which are setto dilfcrent;

combinations, according as one or. another key is used, as hereinafter described. At the same time that the circular parts are moved "the thumb-nut d. The thumb-nut-can then be screwed to place and the auxiliary lockkey withdrawn, and the lock will be set and locked toa new combination. All this is the work of but a moment, and is so simple thatno error can occur; because the auxiliary lockkey cannot be withdrawn until a proper en-' gagement of the tumblers one new combination is effected and the spring-actuatedtumblers cannot be engaged withlth'e circular tumblers untilthe main key has been turned in the direction for unlocking'V-"Phe reason of this is that the springs throw the pivoted parts of the tumblers entirely out of position to engage with the circular parts until the main key has moved them into proper position I't hus provide a lock well adapted for pcst-ofiice-box doors, and many other uses capable of a vast number of different combinations, dependingupon the number of turnblers employed, which can be readily and quickly set for any given combination of the series, which is not exposed to wear in such a way as to derange the adjustment or registration'of the parts of the tumblers, andwhich is simple and reliable in operation.

I have shown but two means oflocking or fastening the parts of the tumblers together;

but it is obvious that various fastening means might be "employedgand my invention does not depend upon anyparticular means to lbe employed for the purpose. The main thing is to-have the two parts ofthe tumblers securely held in engagement during all the ordinary uses of the lock, yet'capable of being disengaged and separated whenever it' is desirable to change the key'and the combination for operating the lock. Whentheparts of the tumblers are separated, any, main key which will lit the key-hub and is within the V engages one part of the tumbler ortnmblers extensive number of" combinations possible in its-bitings can be used to turn the springactuated parts of the tumblers, as in unlock-- After suchengagement no key except the one used for changing the combination will unlock the lock.

It is. notmateriaL-to the principle ct oper ation of my invention-how or by what movement/the two parts of the tumblers are separated, and although several tumblers are shown the principle of my invention would be exemplified bytheuse of asingle tumbler in two separable parts.

\Vhat I claim as new is-.-

1. In a changeable-combination key-lock having two-part tumblers, the combination, with a movable seat whichsupports one part of said tumblers, of an auxiliarykey which disfrom the other, and a cap-plate through which said key passes, whereby said key cannot'be removed from the lock until said parts arein engagement, substantially as described.

2. In a changeable-combination key-lock having two-part'tumblers, the combination of an auxiliary key with the gated parts of the tumblers and a spring-actuated carrier upon which said parts are mounted, whereby said parts, when separated from the spring-acme ated parts, tend to anoye against said auxil iary key, acting as'a stop. until the gatings ofsaid tumblers are brought in line,- substantiallyas described.

3. The combination, with the circular parts of the tumblers, of a pivoted frame for supporting them, adapted to be swung to one side or the other, so as to engage .and disengage the circular parts of the tumblers with the other parts, substantially as set forth.

4. The combination of the oscillating seat Z, the carrier, the circular parts of 'the' tumblers, pivot-post h, the slotted key-post, the cap plate, the thumb-nut d, and the spring lat-ch Z, substantially a jBet forth. j

5. The combination, with the slotted keypost, of thecap-plate provide'd'with the slots 10 k and the key g, tapered at its end, and notch m, substantially as set forth.

6. In a-changeable-combina'tion key-lock,

the combination of a main locking-key and a rotary key-hub with tumblers-'made in sepa rable parts and connected together at all times except when the combination is to be changed, substantially as set-forth.

7. In a changeable-combination key-lock, the combination, with tumblers, one set of which is mounted on a pivoted frame, of the lock-bolt, the slide I, and the key-hub L, which, when the key has separably-connected 1 set the tumblers and the rotation of the key-' hub is vcont-inued,\'vill engage with the slideI and cause the fence to enter the gatingspf the tumblers and retract the lock-bolt without separating the tumblers,-substantially as set forth; v

, 8. In achangeable-combination key-lock with separably connected tumblers, the combination of the locking device for keeping the tumblers in contact and the auxiliary 4 key for releasing them when the lock is to be set by adifierent main key,substantially as set forth. 7

, 9. In a changeable-combination key-lock provided with separably connected tumblers which are always connected except when the combination isto be changed, the combination of a fence and a lock bolt or latch which can be retracted independently of the tumblers without the tumbler-fence entering the gating, and which canbe withdrawn by the key when the gatings become properly set for the tumbler-fence to enter them, substantially as set forth.

.10. In a changeable-combination key-lock provided with separably-connected tumblers which are always connected together except when the combination is to be changed,asecvtionof tumblers, and meansindependent of the motion of the operating-keyfor autom atically bringing their fence-gatings into alignment to be connected with the other section of tumblers, substantially as set forth.

WARREN H. TAYLOR.

Witnesses:

ALEXANDER O A ON'D. G. W. -RIKER.

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