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Publication numberUS991398 A
Publication typeGrant
Publication dateMay 2, 1911
Filing dateJun 9, 1910
Priority dateJun 9, 1910
Publication numberUS 991398 A, US 991398A, US-A-991398, US991398 A, US991398A
InventorsCarl Walther
Original AssigneeCarl Walther
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Automatic firearm with stationary barrel.
US 991398 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)



Patenfed May 2, 1911.




Patented May 2, 1911.


ff@ ffl/0 fr L90. HHH! m W qm W. m @V CARL WALTHER, OF ZELLA, GERMANY.


Speeication of Letters Patent.

Patented May 2, 1911.

Application led June 9, 1910. Serial No. 565,918.

To all whom it may concern:

Be it known that I, CARL WALTHER, a subject of the German Emperor, and resident of Zella, Germany, have invented cer,- tain new and useful Improvements in and Relating to Automatic Firearms with Stationary Barrels, of which the following is a specification.

This invention relates to automatic re arms. v

The object of the invention is vto provide a tire arm in which the breech block is guided at its front end by a sleeve secured around the barrel and at its rear by means on the stock whereby when it is desired to .remove the breech block, the sleeve is removed, and the breech block may be conveniently removed.

The invention also comprehends improvements in the details of construction and arrangement of 'parts which will be hereinafter described and particularly pointed out in the claims.

In the drawings: Figure 1 is a side elevation of my improved lire arm, parts being in section. F 1g. 2 is a rear v1ew of the same. the breech block being drawn to the rear and held by la retaining trigger. Fig. 4 is an elevation, illustrating the breech block being removed from the stock. Fig. 5 is a detail sidelelevation of the front portion of the fire arm, the breech block being in the position shown in Fig. 1. Fig. 6 is a detail cross section on the line A-B Fig. 5. Fig. .7 is a front elevation of the re arm. Fig. 8 is a partial lon 'tudinal section of my improved fire arm, il ustrating the firing position. Fig. 9, is a perspective view of the parts separated to illustrate the details bf construction. Fig. 10 is a detail perspective gliew of the front portion of the breech The numeral 1, indicates the stock of av rel 4, which is screw-threaded at 5, ad-v jacent a shoulder 6. On vthe rear upper end of the stock 1, is an upwardly project- Fig. 3 is an elevation of the stock,"

ing lug 7, Jformed on its upper end with a head 8, and intermediate said head and the stock is a web 9.

Slidably mounted on the stock 1, is a breech block 10. The breech block 10, is formed in its upper rear portion with an opening 11, and a communicating slot 12. From the lower front portion of the breech block, project two forwardly extending side bars 13, connected at their front ends by a cross piece 14, and extending inwardly from these side extensions are ribs 16.

The slot 12 which registers with the bore 11, is formed With lateral enlargements 18, to permit the head of the upwardly projecting lug 7 to pass. The head 8 is in longitudinal alinement with the opening 11, and serves as a means of iding the rear portion of 'the breech block when the latter is in operative posi-tion on the stock 1. Mounted in the opening 11, between the front end of the breech block, and the head 8, is the usual firing pin 11a, and a spring 11b.

In the reduced extension 2 and the finger guard 3, is a slot 19, in which is pivoted a detent 20, having its operatlve end 21, normally projected through the slot 19, in the path of the cross bar 14, of the breech block, by means of a spring 2 g Screwed on the barrel 4, is a sleeve 24 which abuts against the shoulder 6,. and from this sleeve projects a lug 25, which is normally seated in a groove 26 in one of the extensions 13, of the breech block. When the sleeve is in place the upper surface of the end piece 14, fits snugly under it, so that lit will be impossible to' tilt the breech block vto break the interlocking connection with the stock. l l

When the parts are assembled as described, the breech block is drawn toward the rear to eject a cartridge and to introduce another in the path of the firin and upon the release of the breech b oc a spring 14, on' a guide rod 30, seated inan opening 14c, in the stock 1, and operating in an openin 14d, in the breech block forces the breech b ook forwardly and pushes the new cartridge into .the barrel, when by pulling the usual trigger 40, the pistol may be fired. The headed lug 7 fitting in the opening 11, and the cross piece 14, the ribs 16, and the lug and groove 25 and 26 form means for guiding the breech block in its sliding movement on the stock. If it be desired to remove the breech block, the latter is drawn rearwardly until the cross piece 14, is in rear of the operating end 21, of the detent 20, whereupon the spring 22, forces the end 21, upwardly in the path of the cross piece and holds the breech block in open position. The breech block may be pulled back farther than the end 21 of the detent at which time .the lug 25, on the sleeve 24 is wholly out of engagement with its groove 26. The sleeve may now be unscrewed from the barrel and removed therefrom, whereupon the detent 20 is released and the breech block is forced forward by its operating spring 14a until the enlarged portions 18, of the slot 12, register with the head 8, as shown in' Fig. 3. Then the rear end of the, breech block is tilted and the enlarged portions of the groove permit the head 8 to be withdrawn from the opening and in thisl tilted condition, said breech block is forced forward, as shown in Fig. 4, and removed from 'the stock. The cross bar V'14, is formed with an opening, through which passes aguide rod 30.

By this construction the operator may conveniently and quickly remove the breech block for repairs, or otherwise, without the necessity of disturbing theoperating parts of the pistol. By simply removing the sleeve on the barrel, and tilting the breech block,

the interlocking connection between the latter and the stock can be disengaged. The purpose of the lug 26 is to insure the sleeve being in proper position on the 'barrel so that the sight indicated at 3()a will always be properly located when the parts are assembled.

As the lire arm is designed primarily as a magazine pistol, andas the detent 20 is intended to hold the breech block open to conveniently remove the sleeve 24,said detent may also be used for the purpose of holding the breech block open so that the pistol may be used for inserting a single cartridge in lieu of utilizing the magazine.

What VI claim is:

1. In a tire arm, the

combination of a stock, a barrel thereon, a breech block slidably mounted on the stock and `formed with an opening and a slot the walls of which have enlargements, a headed lug extending upwardly from the stock, the head of said lug operating in the opening, and a sleeve 'on the barrel to prevent the breech block bein tilted, the enlargements in the' slot permitting the headed lug to be disengaged from the opening when the sleeve 1s removed, whereby said block may be removed from the stock.

2. In a tire arm, the combination with a stock provided with a ystationary barrel, a breech block provided with a cross bar and mounted on the stock, means for guiding the breech bloclron the stock, a detachable sleeve on the barrel with which the'breech block cooperates to hold the latter in the guiding means to prevent the said breech block being tilted, and means coperating with the guiding means to permit the eleva-l tion of the breech block above the barrel to permit the removal of said breech block when the detachable sleeve is removed.

3. In a fire arm, the combination with a stock provided with a barrel, a sleeve mounted on the barrel, a slidable breech block mounted on the stock, guides on the front portion of the breech block to cooperate with the sleeve to form a guide and means including a lug and an opening therefor for guiding the rear end of the breech block, the said opening having a slot communicating therewith, whereby when the sleeve is removed, the breech `block may be tilted to disengage the lug from the openings to remove the breech block from the stock.

4. In a fire arm, the combination with a stock provided with a barrel, a reciprocating breech block .provided with an opening and a slot, the latter having enlarged portions, a headed lug extending from the stock and fit-ting in the opening said lug litt-ing in the slot and the head fitting in the opening, said breech block having a groove, a sleeve'l secured to the barrel and provided with a lug which engages the groove in the breech block, and a spring detent on vthe stock adapted to be positioned in the pathof movement of the breech block to hold the latter in open position.

5. In a fire arm, the combination of a stock having a barrel, a breech block slidably mounted on the stock, a sleeve {itting on the barrel to hold the breech block in slidable relation on the stock and to prevent said breech block being 'tilted at its rear end, and a locking connection between the breechv block and the stock.

6. In a fire arm, the combination of a stock, a barrel thereon, a sliding breech block mounted on the stock, and formed with ribs, and a groove, said breech block' having an opening and a slot communicating therewith, the opening having enlarged portions, a headed lug extending from the stock, the head of which tits in the opening,

drawn from the opening, whereby the breech and detachable means on the barrel for pre- 10 block may be entirely removed from the Venting the breaking of the interlocking stock. connection.

7. In a fire arm, the combination of a stock, a barrel thereon, a slidable breech block mounted on the stock, and interlocking connection between the breech block and Vitnesses: the Stock including means for permitting M.C.D1LL1NGHAM, the separation of the breech block and stock, S. HINZE,

In testimony whereof I have hereunto Set my hand in presence of two Witnesses.


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US7941954 *Jun 5, 2009May 17, 2011Covert Arms Ltd.Compact foldable handgun
US8051594Nov 8, 2011Covert Arms Ltd.Compact foldable handgun
Cooperative ClassificationF41A3/86