Патент USA US2119175код для вставки
„ May 31, 1938. P. Nil-:DERDRENK ` v 2,119,175 DOOR LOCK Filed July 22, 1957 2 sheets-sheet 1 . Irwemtorl Í ¿mf/CM’ @3am/„L7 mw,f May 31, 1938. P. NIEDERDRENK " I 2,119,175 DOOR LOCK Filed July 22, 1937 2 Sheets-Sheet 2 _ - ' 5%0” Inventor, ‘ Patented l May ->3,1, 2,119,175 v 1 _ UNITE-D ._ÍSTATss ‘PA-TENT ¿oFFlfcsz " ' 2,119,175 v Doon. mex l _ reni Nl'eaerdrenkï, Velbert, oei-nm _ ' Application In Germany July 2z,November lssmserlal 12, No. 193@155,128 ' , .A . , _ e- calmeY Y(ci. vca_-1.4.3)` I9. These notches may' also'be provided on'both This invention relates 'tofimprovements in door » side edges of the bolt body so'as to be able- to use ating mechanism sons. to lock said bolt in its the lock for right land left application. The full or halfstroke locking position. Compared; Ilocking pin IG secures the bolt in position ?after its completed _stroke or halfV ways by engaging 5 with known devices of this type oi! ,locks the iin vproved. mechanism has the advantage that the with, the notch I 8 and Il respectively. ‘ The full stroke ofthe bolt may be chosen considerably notch Il _is provided with aslanting side edge locks or more particularly to a bolt and its-oper longer than was heretofore possible, so that an . 20, by means' of which anautomatic release of always securelocking of a door is assured. The the'locking pin I0 is effected on the hack stroke 10 securing ofthe bolt in its half or Afull stroke posi» of the boit. The cam. disk i2 with the bolt driv ing pin '9 is operated by turning .the knob I0 con - > tion has beenrenderedalso more reliable„ as an automatic or unintentional release of' the bolt is nected ,with said cam disk,;by which túrning of v not possible. ' been- achieved by securing the knob the bolt can be withdrawn. ' In order to the bolt in its respective positions, i. e. half or . 15‘ full stroke,4 by means of a locking pin _adapted to engage notches provided in the bolt'body, provided> on the cam disk, abuts. As shown in Fig.- 5 the bolt may also be ‘operated by- means ot which latter is ‘actuated by a cam disk connected with a turning knob orkey. - - preventthe -bolt' from being drawn Vbackitoo far a stop pi‘n 2i' is provided on the' inner box wall, 15 against which stop pin a nose-like projection 25, 1 Y In the accompanying drawings the improved akey'ß. .present invention ‘ is illustrated by way oi ex- ' . A Y ' , ' The operation of the lock according _to the in 20 20 bolt with locking mechanism according to the - v vention is as follows: - “ . If the bolt l is in its .fully advanced locking Fig. _1a vertical longitudinal section of the '_ position as shown in Fig. 4, the locking pin i6 lock with the bolt secured in halt vstroke position. engages thel notch I3. thus securing the bolt in Fig. 2 a similar section of the lockwith the its position. Qn actuating the cam disk IZ-and 25' consequently also the bolt driving pin 91,- at bolt pushed back, i. e. open position, Fig. 3 a similar section ofthe lock on its lock-v tached thereto, bypturning the knob iii, IL'the ample, it shows: ’ 1 . l . cam disk i2 forces the locking pin i6 out of the v ' ` ~ ing stroke, being disengaged fromA the locking . pinI` ? i " ‘l` Y » l - n Y notch-vll, whereby simultaneously the bolt isV `. 0.-- Fig. 4 a similar section of the lock' v’vith4 the , completely' withdrawn by the pin d, thus a. door 30 v bolt in completed end stroke in locked position,- - _.Fig. 5 a horizontal section on line 5-6 of Fig; d and ' ' ' with the lock attached thereto may be opened. . . on releasing the knel» lo, the bolt sheets for wardly till the locking pin iii.'v by means of the f ' rig; c e verdeel section en une s-e er Fig. l.. spring inñuencedlatch ii, is caused to engage toV notch il.- whereby the Abolt is 'secured in its half way position K(see Eig. 1).' Now, on shutting the door, the holt is. caused to move backwards by . box 2 against the action of two helical spring's‘l, -' ¢ the pressure against the bolt-nab, whereby the disposed on _guide bars 6 rigidly connected with.v locking pin I6. sliding along theslanting side the bolt head, said guide bars themselves being edge 20 of the notch Il, is automatically. released - guided in a transverse'rib 'i disposed within the so that the bolt is permitted to shoot. forwardly -bol: 2. The bolt body E_is provided with a cam (see Fig.,.2). During this advance of the bolt Figs. 7-10 -illus’idtaiîe details. . Y Referring to the drawing 3 represents the bolt, I slideably disposed in the lock crampi ofthe slot ß adapted-_for right "and: left .application or ' the .pin IB is prevented 'by the cam disk l2 from lthe lock, saidcam- slot 8 serving :tor-the recepff íengaging the notch i8 by reason of said cam. ` 45 tien ef ebelt drivmgfpm s exec ente e 'eem disk i2 operable by ‘a knob I0, il, said bolt driving ‘ - pin 8 being under theA iniluence of _a spring I3. s 1t designates a. laten, mevebly mounted on e tin - disk at this moment having not' returned yet in its normal position. ` IY claim: Y . " ` ' Y , it ¿and `disposed below th'ëcam disk 12; said latch l, 'I'he combination in a door lock;- of a; bolt, ` said bolt comprising a bolt headftwo guide bars 50' 'ib beingprovided vwith a locking pin li6. The and a bolt body“, said bolt body being. provided. , with'two notches on its sideV edges and with a cam sure spring l1, which tends to urge said latch and « sotnhelical springs disposed around the said »- latch _I 5 is subjected to the influence of a pres-> de bars. a. cam disk with a driving pin at . consequently also the locking pin provided there- . . ; » on in direction against the bolt body i, which is - tached‘ thereto, said‘driving pin engaging' said 55 providedion one side edge with. two notches I8, ’camvslom a latchfwitha stop pin, said stop pin , 2 Y 2,119,175 adapted to engage with the notches oi the bolt helical springs disposed around said guide bars, body, a means for actuating the cam disk, said cam disk on being actuated depressing said lock pin and a spring for urging the lock pin of the to, said driving pin engaging said cam slot, a. latch with a stop pin, said stop pin adapted to latch into the notches of the boit body. 2. The combination in a door lock, of a bolt, said bolt comprising a bolt head, two guidebars and a bolt body, said bolt body being provided with two stop notches on each of its side edges. one notch on each side edge having a. slanting 10 side edge, a cam slot provided in the bolt body, a cam disk with a driving pin attached there engage the notches of the boit body to secure the bolt in position and being acted upon by said cam disk, a spring acting upon said latch for urging the lock pin in locking position and means for operating said cam disk. 10 PAUL NIEDERDRENK.