US3290991A - Cartridge magazine for a gun - Google Patents

Cartridge magazine for a gun Download PDF

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Publication number
US3290991A
US3290991A US454623A US45462365A US3290991A US 3290991 A US3290991 A US 3290991A US 454623 A US454623 A US 454623A US 45462365 A US45462365 A US 45462365A US 3290991 A US3290991 A US 3290991A
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US
United States
Prior art keywords
cartridge
retaining
cartridges
compartment
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US454623A
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English (en)
Inventor
Christiansson Carl Mauritz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saab Bofors AB
Original Assignee
Bofors AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bofors AB filed Critical Bofors AB
Application granted granted Critical
Publication of US3290991A publication Critical patent/US3290991A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition

Definitions

  • the invention relates to a cartridge magazine for an automatic gun, and more particularly to cartridge magazines of the type comprising one or more compartments in the form of vertical cartridge chutes in which cartridges are arranged in a vertical row on top of each other, the longitudinal axis of each cartridge extending essentially horizontally, and in which the cartridges are gravity fed downwardly in the compartment after a cartridge located at the bottom of the compartment has been fed out of the compartment.
  • An object of the present invention is to provide means for bringing a cartridge to an intended position in the magazine after each successive downward motion in the compartment between one cartridge site and a lower one, and for releasing the cartridge for a further motion downward in the compartment after, but not earlier than, the cartridge has been brought to its proper position for starting said further downward motion in the compartment.
  • the invention provides a device comprising, in combination, a cartridge-retaining means which is pivotal about an axis located sidewise of the path along which the cartridges are to pass downwardly through the compartment.
  • the retaining means comprise at least two cartridge-retaining arms which are arranged to be pivotal as a unit into the path of cartridges through the compartment by action of a directional force means and out of the way of a cartridge by action of the weight of the cartridge.
  • the cartridge-retaining arms are located at such a distance from each other horizontally in the longitudinal direction of the compartment that the middle of a cartridge is located between the arms.
  • Each one of said two arms comprises a displaceable retaining member cooperating with a stationary abutment to prevent pivoting of the arms out of the path of a cartridge bythe influence of the weight of a cartridge against the action of said directional force in a first position of said displaceable retaining member
  • each one of said retaining members comprises a releasing means located above the retaining arm in the path of a cartridge moving downward toward the arm to cooperate with and be actuated by a cartridge for releasing the retaining member shortly before a portion of a cartridge passing down through the compartment contacts said cartridge-retaining arm.
  • the releasing means are each located a distance from and above the retaining arm. This distance is selected so that a cartridge, after having moved into contact with the other retaining arm and thus first having actuated the releasing means pertaining thereto, arrives in a position in the compartment which is within the acceptable tolerance for an oblique cartridge position in the compartment.
  • each one of the pivotal cartridge-retaining arms constitutes part of a two-armed lever, a first arm of which is rotatable into a position protruding into the compartment by action of the directional force means.
  • the second arm of the lever extends upwardly from the first arm so as to be swung into the chute space and thus into the path of a succeeding cartridge as the first arm is swung out of the path of a cartridge by influence of the Weight thereof, and to be swung out of the way of a succeeding cartridge, by action of the directional force, as soon as a cartridge, when being released for further movement downwardly has moved out of contact with the first arm after the disengagement of the retaining member.
  • a succeeding cartridge which may have been released by a previous cartridge-retaining means of the same construction as that described, and which due to the presence of a cartridge in a lower cartridge position, is prevented from moving downwardly, will thus hold the cartridge-retaining means against the action of the directional force means, the said first arms of the retaining means being swung out of the compartment space and the second arms of the retaining means thus protruding into the compartment space, thereby constituting a support for the succeeding cartridge.
  • FIG. 1 is a fragmentary view of a gun having a cartridge magazine comprising a number of cartridge compartments extending vertically and being subdivided into two portions located on either side of the barrel and a cartridge-ramming apparatus of the gun;
  • FIG. 2 is a perspective view of cartridge-retaining means according to the invention arranged on top of each other in a side wall of the vertical cartridge compartment, and
  • FIGS. 3, 4 and 5 show details of the cartridge-retaining means in different positions during the downward motion of a cartridge in the vertical compartment.
  • FIG. 1 schematically illustrates a cartridge magazine comprising a device according to the invention in connection with an automatic gun, of which only the barrel 1 and an enclosure 2 for the cartridge-ramming means of the gun are illustrated.
  • the cartridge magazine comprises two magazine parts 3, each having means for feeding cartridges along the bottom thereof to the ramming means contained in the enclosure 2. Said means are not further illustrated, as not constituting part of the invention.
  • the cartridge magazine comprises a plurality of vertical cartridge compartments 4, each containing cartridges bottom thereof to the ramming means of the gun.
  • Tie cartridges located above each other in vertical rows to be fed downwardly in the compartment and sidewise along tile Tie cartridges are introduced into the magazine through a port 6, for instance, for each compartment 4. If the cartridges, when introduced through a port 6, were permitted to move freely downwardly through the chutes formed by the compartments, the cartridges would occupy an oblique position, resulting in a blocking of the downward motion of the cartridges.
  • the magazine comprises releasable cartridge-retaining means according to the invention arranged in the downward path of a cartridge in the compartment.
  • one such cartridge-retaining means is arranged for each intended cartridge position in the compartment.
  • each releasable cartridge-retaining means comprises at least two cartridge-retaining arms 8 which are pivotal about an axis extending substantially parallel to the intended position of the cartridge within the compartment into and out of the path of a cartridge through the compartment, and which are fixedly secured to a common shaft 7.
  • the arms 8 are movable, for instance, by the action of a directional force of a torsion spring 9, into the positions shown by the uppermost retaining means of FIG. 2 and in FIGS. 3 and 4that is, into positions extending into the path of a cartridge moving downwardly through the compartmentand, against the action of this directional force, into positions illustrated by the lowermost retaining means of FIG. 2 and in FIG. 5.
  • Each cartridgeretaining arm 8 comprises a retaining member 10 having a releasing means 11, the releasing means 11 of each retaining arm 8 being located in the path of a cartridge moving downwardly toward the arm.
  • the retaining member 10 of each retaining arm 8 is rotatable about a pivot 12, a spring 13 tending to bias the retaining member 10 into a position in which it engages a stationary abutment bracket 14 attached to a support member 16 sidewise of the cartridge space in the compartment.
  • each retaining member 10 is in a position to engage the stationary abutment bracket 14.
  • each retaining member 10 is mounted on an extension arm 15 of arm 8 extending from shaft 7 upwardly thereof, said arm 15 being arranged relative to arms 8 so that arm 15 is swung into the path of a successive cartridge when arm 8 is swung out of this path by the action of a cartridge moving downwardly past the retaining arm 8. Arm 15 is retained in this position by the action of the cartridge as long as the cartridge has not moved so far downwardly that arms 8 are again free to swing back into the compartment by the action of spring 9.
  • each cartridge contained in the compartment will be carried individually by each one retaining means 7, 8 as long as a previous, underlying cartridge is still in the way of the retaining means for a following cartridge. Accordingly, the cartridges located within the compartment are all supported individually by the compartment walls defined by the vertical supports 16 in which the cartridge-retaining means and the sta tionary abutment brackets 14 are mounted.
  • the function of the device is as follows:
  • the cartridge When the cartridge moves downwardly in a manner such that the releasing means 11 of both retaining means 7, 8 are actuated at the same time, the cartridge will proceed downwardly toward a lower retaining means. If, however, the cartridge tilts over into an oblique position while falling downwardly, it is retarded and brought into the correct position by the action of the retaining means before being left free to move further downwardly to the following retaining means.
  • the cartridges occupying a lower position will stop in a position in which arms 8 are swung out of their path, as is illustrated in FIG. 5.
  • the cartridge-retaining means comprises additional arms such as arms 15, these additional arms 15 are swung into the path of a following cartridge and retain it in position, resting on top of the arms 15.
  • the cartridges on top thereof in the compartment move downwardly, each by one step, the retaining means executing a sequence of rotational movements successively freeing a cartridge to fall down, beginning with the cartridge next to the one fed out of the compartment.
  • a cartridge magazine for a gun comprising, in combination, a casing including a cartridge compartment for stacking therein a plurality of horizontally disposed cartridges in a vertical row and for discharging successive lowermost cartridges from the casing, a cartridge-retaining means, mounting means supporting said retaining means pivotal about an axis parallel to said vertical row of cartridges spaced apart therefrom, said retaining means including at least two retaining levers jointly pivotal into and out of the path of cartridges descending in said compartment, said levers being disposed on lengthwise opposite sides of the midpoints of the stacked cartridges, yieldable means biasing said levers into the path of descending cartridges, the weight of cartridges acting upon the levers biasing the same out of said path against the action of said yieldable means, a displaceable retaining member on each lever for controlling the pivotal position thereof, a stationarily mounted abutment member for each retaining member coacting with the same to block in a first position of the respective retaining member pivotal movement of the respective lever
  • a cartridge magazine according to claim 1 wherein several of said retaining means are provided in said compartment in vertical arrangement, each of said retaining means coacting with successive descending cartridges.
  • each of said pivotal retaining levers is a two-arm lever, one arm of each lever being movable into and out of the path of descending cartridges and the other arm extending upwardly in reference to said one arm and being positioned to extend into the path of a cartridge when said one arm is pivoted out of said path by the cartridge next preceding said cartridge and to be pivoted out of the path of the cartridge following said preceding cartridge by the action of the respective yieldable means.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Chutes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Toys (AREA)
  • Automatic Disk Changers (AREA)
  • Automatic Tape Cassette Changers (AREA)
US454623A 1964-05-13 1965-05-10 Cartridge magazine for a gun Expired - Lifetime US3290991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE588064 1964-05-13

Publications (1)

Publication Number Publication Date
US3290991A true US3290991A (en) 1966-12-13

Family

ID=20267437

Family Applications (1)

Application Number Title Priority Date Filing Date
US454623A Expired - Lifetime US3290991A (en) 1964-05-13 1965-05-10 Cartridge magazine for a gun

Country Status (9)

Country Link
US (1) US3290991A (da)
AT (1) AT262845B (da)
BE (1) BE663855A (da)
CH (1) CH462001A (da)
DE (1) DE1453907A1 (da)
DK (1) DK114882B (da)
ES (1) ES312848A1 (da)
GB (1) GB1103613A (da)
NL (1) NL6506106A (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094284A (zh) * 2018-06-22 2018-12-28 许锋 一种书画匣

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094284A (zh) * 2018-06-22 2018-12-28 许锋 一种书画匣

Also Published As

Publication number Publication date
NL6506106A (da) 1965-11-15
BE663855A (da) 1965-09-01
DK114882B (da) 1969-08-11
AT262845B (de) 1968-06-25
GB1103613A (en) 1968-02-21
ES312848A1 (es) 1966-01-01
DE1453907A1 (de) 1969-09-25
CH462001A (de) 1968-08-31

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