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J. NICKL. RECOIL LOADING PISTOL. APPLICATION FILED IuIIE 16,*192I.

Patentßd Sept. 5, 1922.

1,427,966.

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J. NICKL. RECOIL LO'ADlNG PISTOL. APPLICATION HLEn1uNE1e,1921.

Patenteä Sept. 5, i922..

1,427,966.

5 SHEETS-SHEET 2.

___ ._____

J. NICKÍ.. RECOIL LOADING PISTOL. APPLICATION FILED IIIIIE I6, 1921

l ,427,966

Patented Sëpíî. 5, 1922. 5 SHEETS-SHEET 3.

J. NICKL. RECOIL LOADING PISTOL. APPLICATION FILED JUNE 16, 1921.

Pateníìêdsept.' 5, 1922. .

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UNlTEoÍ'srA-_Tes PATENT¿orFicEg '

Josas Nrcxn, or omnnonr-on-mn-Nncxen, anam'nr, nssIGNon 'ro wurm. mann; Invent, AKTIENGESELLSCHAFT, orA omNDonF-oN-m-Nnegna, ' GERMANY.

‘Application ñled lune 18, 1821. Serial No. 478,208. To allwhomitmay concern:

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_ _

capable of axial displacement and which-

Be it known that I, Josu' NicixL, a citi after firing runs bac a short distance _in zen of the German Republic, residing at-No. order to bring about the"rotation of the 55 , » 8 of Hauptstrasse, in the cit of Obern barrel. 5 dorf-on-the-Neckar, Germany, ave invent- ‘. A further object of my invention` is to

ed certain new and useful Improvements in provide .a mechanism, in which the suitably Recoil-Loading Pistols _ (for whlch I have curved side ,facesr of the said guiding'lu on

ñled a plications in Germany, Alu st 30, the barrelalternatel engage with guiding

60

10

, 1916, ribs on the inner wa l of the breech slide in Patent No. 300,160, and May 15, 1917, Pat order to limit the rotary movement of the

15

ent No. 301,605; France, :March 31, 1921, barrel. An advantage thereof .resides in _ Patent No. 533,143; Belglum, M‘arch 31, the fact that the guiding faces of the lug 1921; Spain, March' 30,1921, Patent No.. are not exposed to any direct thrust or 65 77,641; Sweden, March 23, l1921; Italy, shock-action at firing andthe barrel is al March 29, 1921 all in the name of the firm ways suitably and correctly rotated, guided.

1915,

20

atent No. 300,159; _April

Waíi‘enfabrik hiauser, Aktiengesellschaft,

of Oberndorff-on-the-Neckar, Germany, with m knowledge and consent, and `for which ï have also ñled applications in Austria, Au gust 28, 1916,- Patent No. 79,078; Hungary, August 29, 1916, Patent No. 76,158, and February 3, 1920; Turkey, September 10, 1918; Czecho-‘Slovakia, January 29, 1920,

and stopped with'out ever becoming loose, even 1n case of excessive use and of a large

calibre of the pistol. For that reason the new .breech mechanism is also adapted for

70

use 1n pistols of largest calibre and of a

small handy size, without affecting or im pairing the precision of the shot, the proper and correct Working or operating of-the

75

Patent No. 1,862, and February 20, 1920, movable parts and the length of the life of .

25

Patent No. 4,798; Rumania, March 23,1920; _the pistol. Poland, March 27, 1920; .Jugo-Slavia; - ¿A further object (of my invention is to

March 30, 1921 (Case I), and March 30,1921 > >provide a mechanism in which> the displace- ' (Case 11)), of' which the following is a vment of the bearing or guiding member co

operating with the said guiding lug is lim . . v. Recoi -loading pistols are known in which ited, on the one hand, by one end on said .

specification.

30

the barrel, with the breech locked, _recolls guiding member runningagainsta shoulder after firing a short distance 1n rectlllnear of the grip-stock and, on theo'ther hand, direction and, at the end of such movement, by a guiding pin or stud of particular shape

undergoes a1 rotar motion in order to be an unlocked. Projections or ribs on the barrel

ing

40

co-acting with recesses -or grooveso? the breech or the like are usually _provided for the locking purpose, while a. nose. or‘lu‘ on the barrel engaging a stationary incline guide-way or a curved groove is provided

vGli

arrangement engaging with the> guid member.

v

'

_

.

v

A still further object of my invention is' to provide a mechanism of the kind de~ scribed in which the said guidin pin or

90

`stop is connected with a slide a apted _to -

be slipped in or -inserted 'into the grip

to cause the barrel to rotate for the vpurposev stock in such a manner that the said slide, above mentioned.

45

_

M invention relates to Ácertain improve mengs in or in connection with -a breech mechanism of the above kind and the object of my invention is to provide a pistol of the above type, whereinl the “gear” or “mo

when fully slipped in, acts to lock the guid

ing pin and at the same time or in turn is 95 locked by >the latter so as to be prevented from any accidental dispiacement.

In a .

construction of this kind the guiding pin acting as a stop may be arranged to extend

tion” for vimparting to the barrel the afore across over the full width‘ .of thegrip-stock said rotary displacement comprises a .guid and to thus afford relatively large faces for

100

50 ' ing boss or lug on the barrel engagmg a the impact of the said bearing -or guiding .

curve-:faced groove of the member or bear- . member, whereby any 'olting or up-setting ing which is mounted in the grip-stock and at firing is avoided. llioreover Y the pin or

1,427,966 ’

-stud is thereby prevented from slipping _out

'

Figures 6 and'7 show the barrel alone in

accidentally notwithstanding the fact that side view and front view respectively,A ' the construction permits the pin to be easily Figures 8,9 and 10 are side, top plan and vtaken out and, therefore, the pistol to be front views, respectively of the guidin ' readily dismounted. To this end the pin member or bearingl with the >guiding trac

or stud is provided with projections or ears at one end engaging an undercut groove of

or

roove.

i

.

70 e

resll to 25 are diii'erent views of a

the said slide, a spring being provided to rec'oi -loading, hammer-operated pistol and keep the parts under tension. The said of the sto ping or abutting pin-connected 10

groove or grooves are enlarged or recessed with a sli e; in particular, , ~ 75 at one end in such' a manner that the .pin’s Figure 11 is an elevation of the pistol

ears when upon displacement the parts as-4 partially

in section, ..

'

sume a certain position relatively to each -\ Figure 12 is an elevation of the muzzle other, can leave the

20

cove or grooves, en

end of the pistol, showing the slide/over the

tering atv the same time the recessed part abutting pin in front view, . l -4 80 of the latter, so that both the slide and the Figures 13 and 14 show a side view and pin are firmly connected With each other a 'front view of the slide, and Figure 15 and cannot be separated or displaced rela shows a section on line 15-15 of Figure 14.',tively to each other. This connected rela Figure 16V is an end view of the slide, _ tion of the two parts exists at the time when

y F igure`17 a section on the line 17-17 ofl 85

the slide is fully slipped in or inserted into Figure 14.-, Figures l-8and 20 are top views its receiving grooves in the grip-stock. As of the slide and the pin, showing the two

the locking lugs o_ii the barrel are' provided with working faces of a relatively high or

25

steep pitch acting for automatic locking, th’e

parts interlocked and released.

’

~Figures 19 and 21 areside views thereof, Fi

res 22- to 24» are cross-sections of the 90

barre and the breech-slide are normally pisto on .an enlarged scale and with the

not unlocked prior to the- guiding member parts shown in the preceding figures in dif strikin against the stationary-.stop or abut ferent relative positions, `

ment or limiting the stroke of» the said Figure 25 is a similar cross-sectional View member. showing a modification of the pin arrange It happens sometimes that the'run of the ment, _ _ - guidin member after firing is impeded -by Figures 26 to 35 are views of the arrange some o stacle, such as sand or _the like, and ment of the catch-spring in connection with the barrel and breech-slide. are untimel a recoil-loading, hammer-actuated pistol; in .35 unlocked thereby so that the pistol is liab e particular, ' - y to be soiled by the powder gases. In order . Figure 26 is an elevation of the pistol 30

to do away with this inconvenience, the with certain' parts broken away,

guiding member is further provided with a - Figure 27 is a cross-section thereof. resilient locking means, such as a catch .40

arrel to lock the

same and cannot be released therefrom un 45

100

.

Figure 28 is an illustration of the barrel

spring, which, when the istol is locked, en alone, seen from below,

gages in a slot of the

95

105

>YFigures 29 to 32 are a longitudinal sec

tion, a top view and two end views, respec

less the pistol is ositively locked under the tively, of the' guiding member with the co-operation of t e guiding member strik guiding groove, and

ing against the stationary shoulder of the Figures 33 to 35 are a side view, a `top grip-stock acting to stop the stroke ofthe View and two end views respectively of the` guiding member in rearward direction.

,

In the accompanying drawings, which are intended merely to illustrate a practical em

catch-spring.

In the constructions shownl the locking

lugs or-bosses Z1 and Zz are located diamet -50 bodiment of the principles of my invention rically opposite each other near the front 115 without limiting the scope of the same to end of the rear part Z0 of the barrel l which .

the construction shown. has a reater diameter than the front art Figure 1 is a longitudinal sectional view thereof, while the ' iding lug or boss 3 is of the pistol with the breech locked, located farther bac about in the middle of 55. Figure 2 is a vertical cross-section on the ythe part l0 and in the middle between the

line 2--2 of Figure 1,

120

. two lugs l1 and >Z2 taken circumferentially.

Figure 3 isA a' view similar to Figure 1 Corresponding to the locking lugs Z1 and Z2 with the breech unlocked and the breech wide grooves ’il and 112 are -cut out in the slide 'in its rear position, inner wall or face of the breech-slide z', the Figure 4 is a vertical section' on the line frontal end faces of said grooves acting as 125

» ' ' abutments for the locking lugs when the Figures '5 and v5“-are detail views showing breech is closed. Inconnection with these the guidingl boss on lug in alternate posi cylindrical grooves i1, i” longitudinal grooves tîoâis with regard to the wall of the breech j* and jz-are provided leadin into the said 4-4 of Figure 3,

B5

s 1

e.

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grooves i1 and i’ and exten ing therefrom

130

1 ,427,966

I as far as the frontend of the breech-slide so said side faces _of ~the lug also act to posi as to- allow the locking lugs, when unlocked,` tively guide the. barrel on the recoil and re to freely pass therethrough at the return turn movements of the breech-slide. movement of the breech-slide. Locking and The extent of the rotation of the barrel or

unlocking are brought about in the‘known the width of the guiding lug is' so chosen

70

that-the lug does not engage with' the cor

manner by positively imparting 1.to the bar-._ res onding rib and. rotationis not stopped rel through the'en agement- o ts guiding

lug in a _correspon ingly shaped groove or be ore the barrel end is tightly pressed bearing, a rotation in forward direction and against-the front face‘o'f the breech. It is a rotation in backward direction, whereby obvious' that in this construction the barrel 75 the locking lugs are caused to either enter is, so to> say, coupled with the breech under the grooves ¿1 and ¿2 or, in leaving same, _the action and control of a screw whereby a powerful and tight connection and closure .V enter` the longitudinal grooves yl and i2. In the ,constructions shown in Figures 1 are secured. On the `vother hand the unf -15

to 10 of the drawings the locking- lugs have coupling or opening of the closure isbrought

80

bevelled or inclined engaging faces and the about wlthout any sudden thrust or blow, as bevel or inclination thereof is in accordance described, b allowing the locked system to ~-with a thread face of a relatively low pitch perform, a ter firing owing to the vInova

_acting for automatic locking whereas the ility of the guiding ,member It, an initial guiding lu -has a sufficiently high or steep. movement prior to t e beginning of the un-A pitch to a ord an easy and> ready unlocking,- locking operation. The reciprocal mova especially in the event of manual opera’tlon. bility of the guiding member, though of a

In the extension g1 of the grip-stock g1 a bearing with a guiding track for the guid lu Z3 is provided consisting of a member 25. ing h, the ower sleeve shaped part h1 of which

85

short stroke only, still rendersv the breech

construction suitable and applicable in pis tols of any calibre or bore and for cartridges

fof any practically _desirable charge, the more lies .in a bore of said extension g1, the top so since the pitch rofthe guiding lug and of

' part h2 thereof having a curved guiding track or groove h3 shaped 'to conform to the

contour of the guiding lug Z5. The memberl

30

thel locking lugs maybe varied to comply

with calibre and charge.

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,

In the modificatioushown in Figures y11

95

Ít is so arranged within said extension g1 as to 25 the guiding member k likewise has a `

to be displaceable in axial relation, the move ments thereof in one direction being lim ited by the vertical face or shoulder g2 of the- grip-stock g and the movements in the other direction'being confined by a stud z2 projecting from below into a slot h* in the

35

guiding groove for the lug> Z3 in its upper part and is subject to a reciprocal move- "

ment at firing. `The bottom part of the mem ber h has a curved recess for the reception 100

of the stud e2. The latter -is of cylindrical or pin shape and is mounted horizontally

across the said recess, as shown in Figure sleeve h1 of the guiding member h. A u The operation is as follows: After firing, 11. One end of the stud is cut out to proê

the guiding member ÍL and the barrel inter vide ears a lying within the4 undercut groove locked with the breech-slide recoil freely un or grooves b of the slide c. In a bore of the til the movement of the'member h is checked stud or pin z2 there is a spring d tending ' by the shoulder g2; and while the member to force the stud or pin outwards away from h is stopped, the breech-slide continues to the slide c. The roove b is undercut at 45 movebackward and thereby causes the bar~ both sides and is en arged or recessed at the rel to be unlocked owing to the angular ro~ end where ’the guiding ribs e are provided, tation that is given to the barrel and they ex to form a circular recess f, so that the ears tent of which is to be determined in ac of the stud or pin z2, when the vparts are cordance with the calibre or bore of the pis mutually displaced and the recess f'assumes 50 tol.

the

105

110

As soon as, on the return movement of a position in front of the said ears, are free 115 breech~slide, the locking lugs arrive at to move outwards and engage in the recess f

the rear end of the longitudinal grooves jl, and to come in contact with the ends of the

l jz, the member h is returned to its forward groove walls that are interrupted by said

position by the impact of the breech located recess f, see Figures 18 and 19. External in the near part of the breech-slide; that is, stops may be provided to prevent the stud . the position in which the stud z2 engages from' protruding totally. By exerting a with the- ,rear edge of the slot k* whereby pressure on the stud towards the slide c the

55

120

the barreîci/s rotated to move back so far as ears a are removed from the recess f to again

60

t'o allow of the lugs entering the grooves ¿1 allow of a displacement of the parts, that is and ¿2 for the locking purpose. The rotary to say, the stud andthe slide, the one with movements of the barrel in forward and relation to the other one, the ears a sliding

125

-backward directions are limited or con in _that event in- the undercut groove. The _ trolled by the side faces of the guiding lug, arrangement of the parts is such that when in the one or the other position, engaging theslide c assumes the position shown in >with the lower guiding ribs i? and í‘. The Figure 21, the stud z2 may be readily in-~ 130 65

1,427,966

troduced into the corresponding hole of the rip-stock, the guiding ribs e of the slide ing in that event below the corresponding groove in the grip-stock see Figure 24. If the

finished' its backward travel and is in en

85

gagement with the shoulder g2 of thegri stock. The spring p again engages in t e slot in the barrel when the breech-slide and

5

slide then is moved upwards into the posi the guiding member move in forward direc tion shown in Fi ure 22, the stud is forced tion, that is to "say, when the latter is stopped by the action of its sprin d outwards into by the stud; or pin z2 and the barrel is ro the recess f of the roove o_f the slide see tated for the locking purpose. The catch

10

secured against any displacement. The bore engaged by accident due to sand, grit or the

Figures 18, 19 andg 22, so that the slide 1s spring, however cannot be released or dis

for the stud z2 extends across the whole of like entering the ath of the barrel, so that the width of the grip-stock and the free end the sand or the 1i e cannot cause the barrel of the stud or pin projects a little bit _or and the breech-slide to become ,unlocked and may be flush with the outer face of the gulp consequently cannot bring about a dirtying or choking of the pistol by powder gases. 15, stock. To remove the stud or pin from t

75

What I claim to secure by Letters Patent 80 pistol it is only necessary to exert a pressure on the free end thereof in the direction of 1s: 1.' In a recoil loading pistol, the combi the arrow in Figure 23, whereupon the ears a of the stud or pin will be positioned in nation of a barrel, a grip-stock, a breech 20 front of the undercut parts of the groove b slide guided on said grip-stock, a sliding in the slide, so that the latter can again be means rotatably engaged with the barrel, 85 given the position shown in Figure 24. _In and a stop for said sliding means, whereby this position the stud or pin can be easlly the barrel is rotated _on" the stoppage of the removed from the pistol and the latter then sliding means. 25 is ready for dismounting. ' 2.l In a recoil-loading pistol, the combina Accidental separation of the slide from the tion of a barrel, a grip-stock, a breech-slide 90 stud or pin is prevented, when the parts are guided on said grlp-stock, a reciprocating in the position illustrated by Figures 21 and guidin member mounted in a projecting

24 by the spring d engaging with a shoulder part o said grip-stock a stop for said mem 30

g3 of the slide. In lieu of a spring a spring

ber and a lug on said barrel cooperative

controlled stepped pin as, Figure 25 may be with the guiding member to effect rotation of 35

used. On the retraction of said pin a3 the the barrel on the stoppage of sa'id member. slide a and the stud z2 are readily separable. 3. In a recoil-loading pistol, the combina In the modification shown in Figures 25 tion of a barrel, a grip-stock, a breech-slide to 35 the guiding member k has a guiding Aguided on said grip-stock, and normally groove its as before to engage over the guid locked to said' barrel a reciprocating, curve ing lu Z3 on the enlarged part l“ of the bar faced guiding member on said gripîstock, rel. he said member h is provided with a and a curve-faced lug on said barrel co-op longitudinal recess or groove g and a catch

40

spring

100

erating therewith, both the said member and

is embedded in said groove having the lug having co-acting faces of relatively

a cylin rical head 1' fitted in the correspond íngly shaped end of the grove g, so that the 45

95

high pltch.

105

4. In a recoil-loading pistol, the combina

two ends of the spring are flush or approx tion of a barrel, a grip-stock, a breech slide, imately so with the end faces of the member a slidable guiding member in connection ÍL. 4The spring is prevented from longitudi with said grip-stock, a lug on said barrel

nal displacement within the member Íz. by the (Jo-operating with the guiding member, a head 1' and its nose s' engaging with corre shoulder on the grip-stock for limiting the

110

sponding shoulders in the grove g. The nose movement ~of the uiding member in one di

.s normally projects from the groove upward ly and engages in a slot t -in the barrel, when the pistol is locked, that is to say, when ' the locking lugs Z1, Z2 engage the correspond ing annular grooves in the interior face of the breech-slide i and the latter is inter 55 locked with the barrel. The lateral faces of the nose s of the spring p are bevelled to 45° to facilitate the alter

rection and a stud or pin in said grip-stock for stopping the guidin-g member at the other end of its travel.

115

5.v In a'recoil-loading4 pistol, the combina tion of a barrel, a grip-stock, a breech-slide, a slidable guiding member, a lu on the

barrel co-operatin with said guiding mem ber, and a shoul er on the grip-stock and 120

a stud or pin in said grip-stock for stopping

nate engaging and disengaging’ with respect the sliding member at either end of its to the slot t in the barrel. The mecha travel, said sliding member having a slot

60 nism'is arranged in such a manner that the in its bottom for the stud or pin to engage

catch-spring p cannot be released or disen

gaged from the slot except by thepositive

therein, said slot‘being of such a length as 125 to determine the extent of the forward

un ocking of the barrel and breech-slide, that stroke of the said guiding member. ' is to say, when the guiding member k has In a recoil loading pistol, a guiding mem

1,427,986 ,

,.'berhaving a-curve-faced top-part, provided

13. A recoil-loading pistol, includin l a

roove,' for the barrel, a grip-stock, a breech-slide guide on guiding lug of the barrel, an also having a said grip-stock, -a curve-faced lug on the.

»with a curve-faced guiding

cylindrical bottom part, provided with a barrel, and a reciprocating guiding member longitudinal slot, for the abutting stud o_r on said grip-stock (3o-operating- therewith pin of the grip-stock, substantially as speci and having a curve-faced top-part provided íied and shown. ’

70

-with a guidingl groove for the said barrel

__

.7. In a recoil-loading pistol, the combina tion of `a barrel, a grip-stock, a breech-slide, 10 a slidableguiding member mounted in said gri -stock, a lug on the barrel cooperating wit the guiding member, a stud or pin.

lug and a cylindrical bottom part provided with a slot for an abuttin stud or pin. -

14. A recoil-loading

istol, - including a

barrel, a grip-stock, a reech-slide guided

u

on the grip-stock, a curve-faced lug on the

for limiting the movement of »said guiding barrel, a reciprocating member co-operating'

member in one direction, and a slide in con--~ therewith an having a curved top part pro vided with a curve-faced ` 'din groove for

is nection with said pin or stud adapted to be

pushed .into’the grip-stock to-lock the said the said lu and a cylin rical îottom-part

pin or studand in turn to be locked by the - provided with a slet, a stud or _pin enga 'ng stud or pin.

_

_

._

in said slot and having ears, an a slide lav

8. In a recoil-loadin pistoh’a slide having ing a 20 an undercut groove, an a stud or pin having

l5. ’

ove> for the rece tion vof said ears. recoil-loading pistol, includin a

ears engaging said groove, said groove hav barrel, a grip-stock, a breech-slide guide on the grip-stock, a curve-faced lug on the bar

` v ing a recessed or enlarged part for the re

25

`ception of said ears in case of a certain vmu ` tual displacementA of the parte, to lock the

rel, a reciprocating guiding member co-‘op erating therewith and having a curved top

-essentially `as set forth.

cove for the said lug and a' cylindrica ottoni part with a slot, a stud or pin en gaging in said slot and having ears at- one of its ends, a slide in connection with said stud or pin, and a resilient locking means 95

said parts in their assume mutual relation, part provided with a _curve-faced ‘guidin

9. In a recoil-loading` pistol, a guidingv i member comprising a .curve-faced top 'part

provided with a curve-faced guiding groove 30

-for the guiding lugA of the barrel, and also

- comp-rising a cylindrical bottom' kpart pro-_

vided‘with 'a slot for the abutting pin or stud

90

in said guidin member. 16. A recoi -loadin pistol, including a

of the grip-stock, and a resilient locking barrel, a grip-stock, a reech-slide guided on means carried by saidvmemberV and engage-l the grip-stock, a curve-faced lug on'the bar able with the barrel; substantially as de rel, a reciprocable guiding member co-oper ating therewith and having a curve-faced 10. In a recoil-loading pistol', a guiding groove for the lug and a slot in its bottom, member comprising a curve~faced top part a stud or pin engaging in said slot and hav provided with a curve-*facedv guiding groove ing two ears at one of its ends, a slide in

scribed.

40

»

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_

100

~

for the guiding lug of the barrel, and alsol connection with said stud or pin, and a

106

comprisin a cylindrical bottom part_pro=I catch-sprin in said guiding member said

vided wit

a s ot for the abutting pin or barrel having a slot to receive the> said

stud of the grip stock, and a stationary spring when the pistol is locked. 17. A recoil-loading pistol, includin a i catchfspring on said member engaging in a 45 slot in the barrel when the-pistol is locked. barrel, a grip-stock, a breech-_slide guide on 11. A recoil-loading pistol, including a said grip-stock, a curve-faced lug on the barrel, a grip-stock, a breech-slide guided barrel, a reciprocable guiding member hav >on said grip-stock, and -means for causing ingl correspondingly curved faces to co-o -

110

the barrel to rotate after a short movement erate therewith and further having a slot in 50

in axial direction, said means comprising a its bottom, a pin in the grip-_stock engaging 115 curve-faced- lug on the barrel, a curve-faced in said slot to limit the travel ofthe guiding

guiding-member provided with a slot, and .an abutting stud or pin engaged in said slot. 12. A recoil-loading` 4pistol including a -55 barrel, a grip-stock, a breech-slide guided on said grip-stock,- a reciprocating curve faced guiding-member mounted in a ro

jecting vpart of said grip-stock and provided

member in one direction, a shoulder on the

grip-'stock to check the travel of said mem ber in the other direction, a slide in connec

~t-ion with said pin, and a catch-spring in said 120 guiding member, the barrel having a slot to receive the spring when the pistol is locked. , 18. A recoil-loading

istol, including a

vwith a slot, a correspondingly curve-faced barrel, a grip-stock, a reech-slide guided .60 lug on» the barrel ada ted to be >guided by on said grip-stock, a curve-faced lug on the 125 said member, _a shoul er on said grip-stock barrel,'a reciprocating guidin member hav to limit the backward vstroke of the guiding ing correspondingly curved aces to engage member, and a stud or pin in the grip-stock therewith and also having a slot in its bot -65

projection engaging in said slot to limit the tom, ` pin in the grip-stock havin ears at one o its ends and engaging in said slot to 130 forward stroke of the guiding member.

.6

1,421,966

limit the travel of the guiding -member in

In testimony whereof I aiiix my signature

one direction, a shoulder on the grip-stock in presence of two Witnesses. to confine the travel of the 'ding member A E >in the other direction, a. sli e in connection JOS F NICKL' 5 with seid pin, and a catch-spring in said Witnesses: '

guiding member the barrel having a slot to

FRIEDE KLAIBEB,

receive- the spring when the pistol is locked.

E. SoHLmoHmz.