Патент USA US2406332код для вставки
Patented Aug. 27, 1946 2,406,332 UNITED . STATES PATENT ìOF FI C E 2,406,332 ` ‘ i KEYLESS LOCK William W. Hurtel, Los Angeles, Calif. Application April 25, 1944, Serial No. ‘532,641 5 Claims. (CINTO-298) 2 This invention relates to >a keyless'lock. Speaking more specifically the invention per Figsnl and> 5’are cross sections of the device taken respectively on the planes `indicated vby lines 4-4 and 5-5 on Fig. 1. Fig. y6 is a perspective view showing an-ex » ample of a >combined «bolt carrier and tumbler stop plate which maybe substituted for the cor responding plate of Fig. 1 to varythe combina tion of tumbler elements which it is necessary to adjust before the locking bolt can be released. tains to a lock furnished with a series of tumblers, a predetermined group of which lmust be moved from their normal position until arrested by stops While all the remaining tumblers remain undis turbed, before the boltof the lock can be re leased, all the tumblers of the lock being man ually operable so that the initiated person, who knows what combinationof tumblers must be adjusted to release the bolt, can operate the lock without using a key. ‘~ Fig. 7 is a detailed perspective view of a single special 4tumbler which is `one of alpair of tumblers which cooperate with `the vsame` stop means on ' Among a great number of situations wherein the invention may be used to advantage,` may the bolts or vbolt carriers. ' be mentioned for locking garages,- gates, all types of out buildings, farm buildings, and for locking oñlce doors and entrances through railing and other office partitions, .and 'for locking various other'tumbler of the v‘above -mentioned pair. Fig. 9 is a 4cross `sectionpn " line 9_9 of Fig.' 1, illustrating stop meansf'which cooperate’with a specific: group of tumblers'the midwidthrpart types of drawers, cabinets, cupboards, vand the like. ` ` Among the vobjects of the invention lare to provide, for interchangeable use in the lock, a set of improved tumbler stop members foreach 1 Y'Fig. 8 isa detailed perspective view ofthe of theï'device `being'broke'n out to contract the 20 View. ' ‘ ' ‘ . - Fig. 10' is a perspective view of analternative construction,` showing-a >locking boltwhich does not require a carrîerfand‘fembodies in itself the stop means lwith which the "tumblers cooperate. Fig. 11 is a perspective view 'of the device modi ñed for use principally to lockîliftable doors, the enclosed portion of'the locking’bolt-of Fig. 10 being `usable infthissan‘d `similar situations >or wherever >locking bolts «of this moidiñed design lock, said members desirably consisting of strips of rigid sheet material capable of being stamped out at low cost by dies, or of being made from plastic material; toprovide tumblers‘which are particularly well adaptedvfor being ymoved from their normal to their adjusted position by being directly engaged by the ñngers‘of the operator; are required. ' ' and to provide a set of manually liftable'tumblers which can be more safely depended on to gravi AReferring in detail to the drawing, the elon gated casing'shown comprises .a generally-rec tate from their lifted, stop-releasingpositionfto tangular face plate |2,`-back plate lf3 ‘and fast their normal locking position. ening means‘shown` as bolts `,i4 passing through Other objects, advantages and features of Vin 1355 corner portions ofthe `casingto hold -said ytwo vention will hereinafter appear. plates together. ` Suitableñanges »are Ashownon Referring to the accompanying> drawing, which said plates to close in the sides and ends of the illustrates what are at present deemed to be casing, said’ face plate having along its upper Y preferred embodiments of the invention, edgev a -backwardly @directed 'flange »,I 5 whichv „en Fig. 1 is a `iront elevation ofthe device lwith gages the router face of alike liange I6 of` the Athe face plate and operating handles removed; back plate. Corresponding `to lsaid 'flanges' `I5 the tumblers being in bolt releasing position. -A and l-E, the :casing plates have bottom flanges few parts are sectioned on line I-I of Figs. 2 l1 rand I8, but‘these arecutqa-way atwlßßasshown and 4, and some other parts are broken away in order to disclose underlying structures. Fig. 2 is in general a longitudinal section of Vin Figs. 4, k5 >and 11"` (the latter being -a modi ' ñcation in regardto the locking bolt only),- to provide manual access > to the liftable Vtumblers the device, including theface plate and handle means, the. plane of section being indicated by> ofthelock. the line 2_2 on Fig. 1. In this view the spring, the locking bolt and a portion ofthe operating knob and of certain tumblers are shown in side elevation. ' ~ - v - ~ » 2l andI a’locking .bolt` carrier 22. » Said bolthas a lbeveled lockinghead 23 Aand the vcarrier is pro-1 vided yat its back side with »a projection v'I4-jat I Fig. 3 is another longitudinal section of the device, the plane of section being `indicate‘dxby angular line 3-3 on Fig. 5. " The elongated locking `member of Figs.- 1 to `5 consists `of vtwo principal parts, a locking `bolt v fording ashoulder .f2-4a' which may be used to limit theretraetive movement of Ythe bolt. «Ad jacentrto its oppositeforinner end` said bolt car. 2,406,332 tumbler has an arcuately rebent end portion 31b the terminal part of which also parallels and is spaced away from the body portion of the tum bler. lIlhe offset parts 31a and 31b are both di rected toward the front side of the casing; The tumbler 31 also has a notch 31c cut centrally in lrier has another projection 24h, said two pro ïjections spacingthe intervening portion of the Ibolt away from the back plate I3, thereby pro ìviding a working clearance for the tumblers `hereinafter described.V Also the bolt has at itsy ` inner end a preferably integral stem 25, the end its left edge as a space economizing feature, said î of which carries a head 26 which alines with the notch providing additional space for the travel body portion of the bolt. of the projection 24 of the shoulder 24a of the Returning to the bolt carrier 22, this member ` is shown formed ofja single piece of rigid metalV 10 locking-bolt carrier or "shoulder 24a of the sub or plastic sheet material which isvshaped to form ’ a channel having interrupted side wallswithin ` stitute locking member 16> >of Fig. 10, when the latter is used. The tumbler 38 has a forwardly deflected upper end portion 38a. which carries, preferably integral Y therewith, a rectangular plate 38o which corre spondsvin position and function to the terminal rebent part of 31a of the tumbler 31,Y for both y part 31a, and 38e engage the flange 35 of the bolt ` ' i carrier to obstruct retraction of the locking bolt 20 whenever the tumblers _31 and 38 are ‘allowed to g which the boit 2| is fitted to move longitudinally -. Í in relation to the carrier from an extended to a retracted position, this movement automatically taking place> when a door carrying the lock is moved to a closed position causing the beveled . head of the bolt tobe retracted by engaging a l striking plate mounted at one side of the door ` opening. , " In order to utilize the bolt carrier as a tumbler l controlled means for manually-retracting the bolt . said carrier has a bolt operating endfedge por- ` gravitate to their lower position. n From Fig. '1 it is seen that said plate l38e is albout twice -as long as wide and has one of its cornerportions secured to the part 38a, and the leftward extentof the plate 3 tion’or flange portion 21 which has its-back edge I deeply notched at 21al to provide a working clear 25 being suiñcient to span the space occupied Aby the tumbler 31, so that Athe tumbler 38, as well as 31 1 ancefor theV aforesaid bolt stem 25.l At times may engage the bolt carrier flange ¿35 to obstruct 3 ,said Aflange 21- is moved against. the head 26 of i ‘ the stem 25l to retract the bolt 2 l , both retractive ` ,movements ofthe bolt being opposed by a coil retraction of the bolt 2 l, hence either one or both of- these tumblers can make Vthis obstruction. lower end portion of the tumbler 38 l(from l spring .28 oneiend of which engages the head 26 30 The the viewpoint of its mounted position) has a rebent part 3817 corresponding size, shape and ~ and Vthe, opposite end of which abuts against a ` casing -end wall formed bya flange 29 carried` by the back plate of the casing. Sheet metal, position to the already described part 31h rof or plastic, spacing boxes 30and V3| are shown to , tumbler 31, - ' ^ mentroftthe locking bolt `2| and carrier 22. 1 .. In orderzto secure the desired cooperation be-y merals 1.y Each of these tumblers 40 ter minates at its upper‘end in a flange 40a which is kforwardly directed at a right anglev to the body Fig. 9 is shown a'tumbler 40 which is typical fillin properly the spaces at each sideof said 35 of In `-the three tumblers- designated by same nu-` spring and'alsoto .assist in guiding `the move- l tween'the bolt carrier 22 and the adjustable tum blers presently to kbe described, said carrier is `furnishedalong each of its sides with' a series of the tumbler. f . ' ` ~ Y ‘ The already mentioned casing flange I6 has a downwardly directed lip |611. Said lip extends of stopsjthese, stops being lformed by angular along the entire space occupied by all the tum~ ñan'ges with which said carrier is provided w‘hen blers‘shown and serves as a stop means to limit it is stamped out of sheet metal, orv otherwise the downward gravitation Vof each of the three manufactured; The vcharacter of these, stop 45 tumblers 40, andit also supports them in a bolt ñanges is mostclearly shown in Fig. 6, which view, however, shows a carrier 22a: having a Vdif ferent'arrangeme‘nt of said stop flanges, for it is` _ releasing position. If a person who does not know the combination raises oneor more of these tumblers 40, he will be as positively locked out designed with a' View to being substituted for said as he'would be if he failed tok raise anyone' or carrier 22 or for any other pattern of carrier 50 more of the' other Yfour tumblers., It is necessary belonging to a, set of combination-changing car thatA said lip'lBy extend along the entire space riers to `>be- used Ywhen it is'desired to change occupied by the tumblers; as'above stated, in the combination of tumiblers which must-be oper-` order to make the tumblers and the two carriers ated in -orderrto release the locking bolt. ' 22 and 22:1: (or additional ones) interchangeable 55 i ` Describing from left'to right (Figs. l, 2 and 3),` in making changes in the combinations. v'the stop flanges of the carrier 22”,y and the> tum-V ' >Each tumbler 40 is shown furnished witha re blers which cooperate with them, the stop flange bent Vlower end portion 40h, which feature is 35 extends from the upper side of the carrier found in alll the tumblers-40. Also allfof said nea?/ its left end and is of the same rightangular three tumblers, as indicated at z in various places shape as the flange 36 which extends from the 60 in the drawingare shown having'a finger de opposite side of the bolt carrier a little farther pression w-hichmakes it easier, particularly when to the right >(see Fig. 6 also), but said flange 35 operating the lock in the darkness, to locate the is muchr narrower than said flange 36. With the fingers on only the proper tumblers to be oper stop vshoulder afforded by the right hand edge .of the _flange 35 cooperate the tumblers 31 and 38, which'are respectively separately shown in Figs. 8 and '1, vthe locking bolt being retractable only lwhen both of these adjacent tumblers, along 'with 'certain `others„«a_re' lifted from their locking posi tion to the position shown in Fig. 1. Said tum ‘ble'r 31 is Shown having at one end a right angular deflected and then'reben't upper ’end .portion 31a the'terminal part` of whichparallels the 4bo'dy ` Y portion >ofthe tumbler-in a considerably spaced ated. ~ - ’ t Referring to additional stop shoulders of the . bolt carrier 22,»‘besides those already mentioned in connection .with its flanges 35 and 36, these additional flanges willV be more readily under-stood by noting ñrst the similar `stop flanges of vthe substitute bolt carrier 22a: of Fig. 6, which is furnished from left to right with angular stop flanges a, b, c,'d, e_ -and f. >From the upper sideof the bolt carrier 22 project (naming them from left Ytoright), angular stop flanges 4I, 42 and'43, each 'relation thereto, and at its VOpposite end this 75 2,406,332. 5 of l whichare shaped> like. .the .. flanges sc.> and .e :of 6. movablefgarage?oor .to .the flooror-:doonsillfof Fig:l 6. Theîsamefzside ofthegfbòltcarrier ¿122 :also the garage.V ¿It isttoV bei understood that Vthis'modi» has two intervening .bolt channel forming flanges ñedflockzwillbe attache-d_ftothe’lower edge por 44, one of vwhiclrappears section in'Fig.fI5,:.be tions 'offsuchigarage doors, so thatfthe user, .after sides the channelforming ñanges'dlzü and‘ldß 5 lifting the.lockfreleasingtumblers, will continue. ' dottedly indicated in Fi'g.l1. Alongithe; lower :side the upward -pressure ¿of his :fingers tol open Vthe of the carrier, from left: to right are the channel forming flanges 49, 50, 5| and 52 (the latter a long llange) , dottedly indicated in Fig. 1; and, in addition to the broad stop forming flange 36 door, the flock :constituting a _» handle .means 1 for lifting the door to its open position. I claim: > l. In a lock of the kind described, a casing, an already mentioned, the angular stop forming elongated at times longitudinally movable lock lianges 53 and 54. ing bolt carrier mounted in said casing, a lock I'I'umblers 56o and 51 alternate with the afore ing bolt carried by said carrier and independently said tumblers 40. These intervening tumblers movable in a lengthwise relation thereto, said will be readily understood from the sectional 15 locking bolt being given its independent move showing of tumbler 51 in Fig. 5, it being under ment by closing the door, said carrier consisting stood that these two tumblers are alike except of rigid sheet material having oppositely pro that 51 has a slot 51s cut into its lower end to jecting side flanges to form tumbler engaging allow a turnable headed pin 59 to pass through and a series of elongated tumblers the in the casing, said pin having tightly secured to it 20 stops, dividuals of which extend in a crosswise adja within the casing a forked arm 60 which strad cent relation to said carrier to cooperate with dles an apertured edge portion of the llange 54 its stops and are supported by said casing for of the locking bolt carrier. Arm 60 may be suit selective manual longitudinal movement to ad ably modified for connection with the locking just them to release said carrier to permit of its bolt itself if no locking bolt carrier is used. A 25 retraction together with the locking bolt which thumb piece 6I is secured to the projecting front it carries. end of said pin 59 to afford a means for retract ing the locking bolt carrier, or the locking bolt when no carrier is used. A screw 62 is shown 2. In a lock o_f the kind described, a casing, an elongated at times longitudinally movable lock ing bolt carrier mounted in said casing, a lock screwed into a socket provided for it in the «pin 30 ing bolt carried by said carrier and independently 59 to attach the thumb piece to the pin.- This movable in a lengthwise relation thereto, said thumb piece, however, is only an auxiliary means carrier consisting of rigid sheet material and for retracting the bolt carrier 22, or the bolt only. There is also shown a retracting knob >63 which having an elongated back plate portion furnished along each of its side edges with an inner row is fastened onto athreaded stud 64, the inner 35 of angularly directed flanges, said ilanges and end of which is welded or otherwise secured to plate portion cooperating to form a channel With the locking bolt carrier, or to the locking bolt in which the locking bolt has a working fit, and itself when no carrier is used. 'I‘he face plate I2 other flanges projecting from said back plate of the casing has through it a longitudinal slot portion which alternate with the ñrst recited 65 to unobstruct the movement of said stud 64. 40 ?iianges along each side of said carrier to form When thin sheet material is used to construct stops, and adjustable tumblers carriedby the cas the bolt carrier, a, reinforcing head 66 (Fig. 2), ing to cooperate with said stops. may be welded to the screw and to the sheet 3. The subject matter of claim 2, and the last metal of the carrier, the locking bolt being pro recited ñanges having their inner portions in the vided with an elongated recess 61 extending lon- ¿7^ same plane as said plate portion and their termi gítudinally thereof »to provide a working clear nal portions projecting toward the channeled side ance for said welded-on head. of said carrier. IIt will Ábe observed that the various tumblers 4. In a lock of the kind described, a casing, an shown consist of straps of rigid sheet material elongated locking member mounted therein to be which have their end portions bent toward the El) longitudinally moved at times, said member car same side to provide them with sturdy, easily rying a longitudinally extending series of later manufactured stop-engaging flanges. ally projecting stops, and a series of manually In Fig. 10 is shown a modiñed locking bolt 10 adjustable tumblers carried by said casing to co the body portion of whichhas, naming them» operate with said stops, said series of tumblers , from left to right, a series of stop projections 55 comprising a pair of adjacent tumbler strips of 10a, 10b, 10c, 10d, 10e and 10f, these stop pro rigid material which are slidable transversely in jections respectively corresponding in size and relation to said looking member, and both of position to the stop means afforded by the flanges which cooperate with the same stop of said lock a to f of the substitute bolt carrier 22x. The end ing member, the members of said pair of tumbler portions of the modiñed -locking bolt 10 are of 69 strips occupying different adjacent positions in the same shape and size as those of the locking relation to the length of said locking member, bolt 2| except that the latter bolt has a beveled and one of them having an extension which head 23, whereas the modified bolt has a square reaches across the other and is engageable with head 23x. A notch 10n is provided in projection the same stop on said locking member as that 10i of the bolt 16 to provide an operating space (55 with which its mate cooperates, thereby causing for the retracting arm 60 carried by the manu said paired tumbler members to perform the same ally turnable pin 59, it being unnecessary to slot function in the same manner, and making it nec said arm in this situation. ' essary to operate the two of them as a unit in In Fig. 11 the lock is shown on a reduced scale constructed the same as in Figs. l, 2 and 3 except that the locking bolt is provided with an exten-` sion 12, shown directed downwardly, carrying at releasing the locking member for retraction. 5. In a lock of the kind described, a casing, an ` elongated locking member mounted therein to be longitudinally moved at times, said member car- ` its lower end a beveled latching head 13. Among rying a longitudinally extending'series of later other uses to which the lock of Fig. 11 is adapted ally projecting stops, and a series of manually to be put is to lock an upwardly and downwardly. 75 adjustable tumblers carried by said casing to co 2,466,332 7 Y ‘ operatewith said stops, said series of tumblers ` ` comprising a pair` of adjacent> tumblers which are ‘ ‘ slidable transversely in relation to said locking § member, and both otwhich cooperate with the j same stop of said locking member, the tumblers Í of said pair occupying different adjacent posi ` tionsr ín relation to the length of said locking 8 member and one' of themhaving an extensión which is vengage'zalble with the same stop on said> locking member as that with which its mate co operates, thereby'makìng it necessary to operate 'Y both of the tumblers of said pair before the lock' ing member can be released. ' ' ' WQ HURTEL. " '