US1353092A - Cartridge-magazine - Google Patents

Description

1. T. THOMPSON AND H.7H.'cuMM|NGs.

CARTRIDGE MAGAZlNE. APPUCATION FILED JUNE 1920.

Patented Sept. 14,192.0.

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I. T. THOMPSON AND H. H. CUMMINGS.

CARTRIDGE MAGAZINE. APPLICATION FILED JUNE 7, |920 Patentd Sept. 14, 1920.

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50 if thelubricant used has su `remain effective for a considerable length of 'time it will be so heavy as to gum the gun UNITED fsTATEs PATENT OFFICE'. i

JOHN TALIAFERRO THOMPSON, OE NEWPORT, KENTUCKY, AND HENRY HAVELOOR oUMMINGs, or NEWTON, MASSACHUSETTS; SAID CUMMTNGS ASsIcNoR, RY MEsNE ASSIGNMENTS, OF ONE-HALF To THOMAS FORTUNE RYAN, OE NEW YORK, N. Y.

CARTRIDGE-MAGAZINE.

ASpecification of Letters Patent. Patente Sept 14 1920.

application mea :une 7,'1920. ,serial No. 386,994.

. .To-all whom it may concern Be it known that we, JOHN' TALTAFERRO THOMPSON and HENRY HAVELOOK CUM- MINos, citizens of the United States of America, and residents, respectively, of Newport in the county of Campbell and State of entucky, a'nd Newton, in the county of Middlesex and -State of Massachusetts, have invented new and useful Improvementsg in CartridgeMagaz'ines, of which the followin vis a specification.

he present invention relates to a new and improved cartridge magazine of therotary type,.combining' with its function as a magazine that of lubricating the ammunition which it contains.

Lubrication of metallic cartridge cases has -been found highly desirable in the use of many types of firearms utilizing'such ammumtion. The cartridge cases are formed of relatively soft metal and are urged into intimate engagement with the cartridge chamber by the 'very'high powder pressure caused b the ignition of thel propelling charge. Sight ,irregularities in the surface of the chamber or in the sizin or formation of the cartridge areoften su cient to cause dificulty in extraction of the empty case after firing, by greatly increasing the friction between the case and the chamber. l e

This difficulty isat times so great that the cartridge casing is ruptured in the en- Vdeavor to extract it and a broken portion remains inthe chamber. This is particularly true in the case of automatic or semiautomatic guns where the shell is started rearward very suddenly, often before the chamber pressure hasy beenreduced to atmospheric, and in such cases the friction is increased by this pressure.

, The friction between the case and cha m. ber, even if it does not cause a rupture with consequent jam, is a source Aof constant wear and causes gradual change in the chamber Size which in turn increases the friction and danger of rupture and jam.

It has -been heretofore proposed to lubricate cartridges at thetime of making or before placing them in the magazine. These?` methods are open to many obectionsbini that cient o y to are constantly liable to inju after firing any extended number of rounds. Further such lubrication makes the 'cartrldge more difficult to handle,l and the lubricanthas a tendency to cause foreign matter to. adhere to the cartridge with consequent deleterious effect uponthe It is necessary in order or it to be successful that any method of lubrication be` accomplished automatically in the normal operation of the gun for the reason that speed of operation is of vital importance, and further because of the tendency of the user of the gun to neglect` any action not directly involved in the use of the piece.

. Heretoforewhere rifles or automatic guns have been supplied with a magazine' of greater capacity than nthat which can be fur-y nished by the usu'alr box magazine placed within the gun contour, the larger magazineshave been of the box type and have extended below the gun. Magazines of this character are objectionable for many reasons 'as they against objects and also ren er the piece awkward to handle.

The principal objects of the present invention are to overcome the aforesaid and other diiiicultiesand to provide a magazine which in striking fulfils the requirements which have been set forth. It is an object to'provide a magazine which will positively lubricate the cartridge it contains, the lubrication takin place in the normal use of the magazine. t is also an'object to provide a lubricating. de-

vice which is self-feeding, which will req uire renewal of thelubricant only at comparatively long intervals and which will be relatively easy to charge with lubricant. It

is a further object to provide a magazine of the rotary type which may be fitted to rifies of usual design without material change in their structure, which will be compact and simple in its construction, and contain and deliver properly more cartridges than the usual box magazine. Itis anadditional object to provide a device simple in construction and relativel inexpensive to manufactu're. Other andurtherobjects will appear as the description proceeds.

-We have illustrated a preferred embodi- 'ment of our invention in theaccompanying drawing lin which:l

Figure 1.4 1s a side elevation of the maga` zine, broken away portions of a gun being shown to illustrate the method of attachment. F Fig. 2. is a cross section on line 2 2 of ig. 3. is a side view of the rear attachment device.

Fig. 4. is a bottom View of the rear attachment device.

Fig. 5. is aperspective view of the forward attachment device.

Fig. 6. is a perspective view of the clip loading device.

Fig. 7. is a longitudinal section ofthe ma azine.

\ ig. 8. is a forward end view.

Fig. 9. is a rear end view., Fig. 10. is a cross section on line 10--10 of ig. 11. is a forward end view of the follower, and

Fig. 12. is a side view of the follower and the bearing ring member.

The magazine comprises a cylindrical casing 14 in which is secured the cylindrical oil reservoir 15, by means of screws 16. The forward end of the casing is provided with the central closure 17 having a check valve 18 therein. The rear end of the cage or rotor 20 is provided with sockets containing the balls 23 and the forward portion with sockets containing the larger balls 24. The balls are retained in place in the cage by upsetting the adjacent corners of the sockets in the cage. The cage 20 is restrained against longitudinal movement b the shoulder 25 on the oil reservoir 15 an the forward face of the follower actuating cup 26. IThis cup is retained in place on the pivot 19 by the sleeve 27, the sleeve being held in position by the Cotter pin 28.

he inner portion of the sleeve 27 is circular in cross section and has the outwardly extending lug 29 which engages the inner end of the watch spring 30 surrounding the sleeve. The spring is contained within the cup 26 and its outer end is engaged bythe stud/31 as shown in Fig. 9.

The follower comprises member 32 extending from the cup 26 to the forward bearing ring 33, the longitudinal member having fitted thereto the pusher member 34 which contacts with the cartridges as shown in Fig. 2. Secured by screws to the face of the ring member 33 is the spring member 35, this member havthe longitudinal ing the opening 36 retaining in place the lug 36 which is resiliently pressed into engagement with the ball. contact 37. This ball 37 is adapted to intert with any one of a spaced series of indentations 38 in the vring 39. The ring 39 is not a part of the follower but surrounds the oil reservoir 15 and is rigidly vattached to the forward end of the cage or rotor 20.

pushe `tates since it is connected with the follower The forward portion of the reservoir 15 is surrounded by the pad 40 and a similar pad 41 is'\p1aced adjacent thereto on the inner surface of the casing 14. A guide flange 42 0n the inner surface of the casing 14 encircles the greater part of the cage 20 at the point where the larger series of balls 24 are placed, and a similar flange 43 of greater width but less depth is located adjacent the smaller series of balls 23.y A pad 44 may be placed between the flanges. The magazine is formed with an outlet opening 45 fitted with the guide flanges or lips 46 and a loading'opening 47 closed by the hin ed cover 48 heldin place by screws 49. rEhe delivery guide 50 is placed inside the magazine adjacent the outlet opening 45 as shown in Fig. 2.

The maga-zine is retained upon the stock 51 by means of the forward and rear retaining devices 52 and 53 respectively. The forward device 52 is provided with the lug 54 adapted to it in the opening 55 in the forward end of the magazine, and with the downwardly extending notches 56 adapted to receive the necks of the headed studs 57 which extend from the forward face of the magazine. The rear retaining device 53 is provided with the pivot catch 58 normally held in locked relation by the spring 59, as

best shown iny F ig. 1.

The actuating cup 26 has an outer portion lmurled to facilitate manual operation at 60 and is notched at 61 to receive the spring catch 62. This catch is pressed into engagement with the cup 26 by the spring 63 acting against the pin 64.

The clip loading device 65 is fastened to the stock adjacent the rear end of the maga- ,zine, and above the rear end of the opening 47 by the screw 66 as shown in Fig. 2. This device 65 as shown in Fig. 6 is provided with the loading slot 67, the upper end of which is notched at 68 to receive the end of a cartridge clip. v

The magazine is attached to placing the studs 57 under the notches 56, and moving the rear upward, the opening 55 fitting over the stud 54 and the pivot 19 slipping past the catch 581 By rotating the cup 26 against the spring 30v the follower is the gun by movedclockwise beyond the loading opening and the catch 62 Cartridges are now opening 47 the cover 48 being opened for that purpose. Each cartridge as it is pressed retains it in position.

fed into the loading into place takes position between palrs of f balls 23 and 24 and also contactswith the inner pad 22 between the bars 21 as shown in Fi 2. As succeeding cartridges are into the magazine the cage 20 roby only the yielding engagement of the ball 34 with the indentations 38, which yields and permits the cage to move the width of cartridges around as before.

' will be seen that the extension cartridges placed in the magazine.

a cartridge seat as each is pressed in. The individual cartridges are free to rotate upon the balls'and are rotated dueto friction against the guide-flanges 42 and 43 and all parts of the cartridges are wiped against the several outer and inner ads and are thus thoroughly lubricated. [he pads are kept constantly oiled by oil passing from the reservoirthrough t e small ports 15..

cant reservoir andlubricating means asso` ciated with the magazine and cartridge supporting means adapted 'to permit rotation of the cartridge during travel in the magazine.

3. A magazine for use with guns, a lubricant reservoir and lubricating means associated with the magazine and cartridge supporting means adapted to y permit rotation These ports also oil the bearings of the cage of the cartridge during travel in the magaor rotor 20 upon the reservoir. voir may be filled wheny necessary through the valve 18, its capacity being great enough, however, to render refilling necessary only after firing a large number of rounds. After any desired number of cartridges up to its capacit have been placed in the vmagazine the catcli 62 is released and the follower rotates under impulse of the lcarried forward by the breech closure (not,

shown) of the gun. When it is removed in this manner the next cartridge is carried forward into its place by the' constant pressure ofthe follower. Additional cartridges may be placed in the magazine at any time when either" partially or completely empty, regardless of the position of the breech clo- The follower is rotated backward until it catches, carr ing with it the rotor 2O through its yyiel ing connection.

cartridges are then inserted and thev lower released, when it will carry all folthe

It is in reloading .before all cartridges have been ired that the yielding ball catch 37 is most important since its engagement is suiiicient to rotate backward the cage and cartridges remainin in the magazine. The follower being held by the catch 62, the catch 37 ieldsv as additional cartridges are fed into t emagazine and the rotor or cage 20 rotates away from the follower. The engagement of the cartridges between pairs of balls is such as to prevent cartridges slipping past the cage and were the reverse ro-l tation of the cage not `made before reloading when partly empty, vacant spaces wduld remain in the magazine.

The showing of Figul makes clear the relation of 4the magazine to the gun andA eyond the great, and its normal gun contour is not of a shape is much less awkward than that box magazine of equal capacity.

We claim: v

1. A magazine for use with guns, a. lubricant reservoir associatedwith the magazine and means adapted to positively lubricate 2. A magazine for usewithguns,.a lubri- The The

cation with the reservoir, and supporting means for cartridges adapted to support the cartridges in contact with the lubricating means. l

5. A cylindrical magazine'for Vuse with guns, the magazine containing a central lubricant reservoir about which the cartridges are adapted to pass and lubricating means inv communication with the reservoir and `adapted to contact with the cartridges.

6. A rotary magazine for use with guns',

a lubricant reservoir associated therewith, the magazine containing a rotor having lu- .bricating means therein4 in communication with the reservoir and anti-friction supports ada ted to maintain the cartridges in contact with the lubricating means.

7. A rotary magazine for use with guns, a lubricant reservoir associated therewith, the magazine containing a rotor having lubricating means therein in communication with the reservoir and ball supports for cartridges adapted to support cartridges-in contact with the lubricatingmeans, andto permit them to be rotated. a.

8. A rotary magazine for use with guns, having a central rotor, cartridge seats on said rotor and guides encircling the rotor and adapted to contact with cartridges and rotate them upon the seats.`

9. rotary magazine for use with guns, having a central rotor, cartridge seats on said rotor, guides encircling the rotor and adapted to contact with cartridges and rotate them upon the seats, and lubricating 4means adapted to contact with the cartridges 'during their rotation. 10. A rotary magazine for use with guis, having a central rotor, anti-friction cartridge-seats on said rotor, guides encircling the rotor and' adapted to contact with car- .tridge seats on said rotor and guides encircling the rotor and adapted to contact with zine, the lubricatingmeans adapted to conlos iso

A cartridges and rotate them upon the seats,

a lubricant reservoir located centrally of the rotor, and lubricating means in communication with the reservoir and adapted to contact with the cartridges upon the seats.

12. A cylindrical magazine, a cylindrical lubricant reservoir concentric therewith and a cartridge carrying rotor surrounding the reservoir and a apted to rotate thereon,

13. A cylindrical magazine, a cylindrlcal lubricant reservoir concentric therewith and a cartridge carrying rotor surrounding the l rotor.

14. A magazine for use with guns, a cylindrical lubricant reservoir located therein, a cartridge carrying rotor surrounding the reservoir and adapted to rotate thereon and ducts leading from the lubricant reservoir to the points of contact between rotor and reservoir.

15. A magazine for use with guns, a cylindrical lubricant reservoir located therein, a cartridge carrying rotor carrying lubricatingmeans and surrounding the reservoir and adapted to rotate thereon and ducts leading from the lubricant reservoir tothe points of contact between rotor and reservoir, and to the lubricating means.

16. A rotary cartridge magazine for-use with guns comprising a cartridge carrying rotor, a rotary follower and a yieldable connection between the cartridge carrying rotor and the follower.

17. A rotary cartridge magazine for use with guns comprising a cartridge carrying rotor, cartridge seats upon the rotor, ea rotary follower and means adapted to yieldably connect the follower to the rotor at such points ythat it will Contact with cartridges upon the seats.

18. A rotary cartridge magazine for use with gunsL comprising a rotor having car- I tridge seats thereon, indentations upon one tridge seats thereon, indentations upon one end of the rotor and having the -same spacingv as the seats and a rotary follower having a spring pressed plunger adapted to yieldably interfit with any one of said indentations, the follower being so spaced with relation to said plunger as to be adapted to contact with a cartridge in one of said seats when the plunger is engaged in one of said indentations.

20. A cartridge magazine for use with guns, comprising a cartridge carrying rotor and a spring pressed rotary follower, the follower being adapted to rotate the rotor by means of pressure transmitted through cartridges carried thereby.

21. A cartridge magazine for use with guns, comprising a cartridge carrying rotor and` a spring pressed rotary follower, the follower being adapted to rotate the rotor bymeans of pressure transmitted through cartridges carried thereb and cartridge guide and discharge lips adapted to limit the rotary movement of a cartrldge. 1

22. A cartridge magazine for use with guns, comprising a cartridge carrying rotor,

a rotary follower and means external of the magazine adapted to permit manual rotation of the follower.

23. A cartridge magazine for use with guns comprising a cartridge carrying rotor and a rotary follower, means adapted to limit the rotary movement of the cartridges carried bythe rotor and to thereby limit movement of the rotor and a yieldable connection between rotor and follower whereby movement of the follower is normally transmitted to the rotor, the yieldable connection permitting independent movement of the follower when motion of the rotor is stopped.

24. A cartridge magazine for use with guns comprisin a cartridge carrying rotor and a rotary ollower, means adapted to limit the rotary movement of the cartridges carried by the rotor and to thereby limit movement of the rotor and a yieldable connection between rotor and follower whereby movement of the follower is normally trans'- mitted to the rotor, the yieldable connection ermitting independent movement of the ollower when motion of the rotor is stopped, and spring means adapted to keep the follower normally in contact with the rearmost cartridge in the magazine.

25. A cartridge magazine for use with guns comprising a cartridge carrying rotor and a rotary follower, vmeans adapted to limit the rotary movement of cartridges carried by the rotor and to thereby limit movement of the rotor, a yieldable connection between rotor'and follower whereby movement of the follower is normally transL mitted to the rotor, the yieldable connection permitting independent movement of the follower when motion `of the rotor is stopped, and a spring catch adapted to retain the follower at one end of its movement when loading the magazine.

26. A cylindrical magazlne for use with guns comprising a cylindrical, casing, a

cylindrical lubricant reservoir located centrally thereof, a rotor rotating about said reservoir having anti-friction seats for cartridges and lubricating 'means in said seats adapted to transmit. lubricant from the reservoir to cartridges in the seats, and means adapted to contact j with the cartridges during their movement with the rotor and to rotate each cartridge upon its seat whereby it is lubricated throughoutits circumference. l l' 27. A cylindrical magazine for use with the guns comprising a cylindrical casing, a cylindrical lubricant'reservoir located cen'- trally thereof, a rotor rotating about said reservoir having ball bearing seats for cartridges and lubricating means in said seats adapted to tansmit lubricant from the reservoir to cartridges in the seats, guides adapted to contact with the cartridges during their movement with the rotor and to rotate each cartridge upon its seat whereby itis lubricated throughout its circumference, a delivery opening, 'cartridge stop` means adjacent thereto, and a spring pressed rotor adapted to contact with the rearmost cartridge in the magazine and therebyrotate the rotor until the first cartridge' 'contacts with the cartridge stop means. l

Signedby us at Boston, Massachusetts, 25' this 10th day of May, 1920. Y JOHN vTALIFERRO THOMPSON. HENRY HVELOCK CUMMINOS.

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