US3736686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic hand firearm with interchangeable magazine
Assignee: Heckler und Koch GmbH
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Filing: 1971-06-15
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Granted: 1973-06-05
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Expires: 1991-06-15
Abstract
Abstract An automatic firearm is provided with a magazine support structure which is fixed to the firearm and which includes magazine engaging lips located in the firearm in the conventional position, and a cartridge feeder member which is displaceable in the support structure by a feeder spring disposed at the free end of the support structure. The support structure has a lateral opening for inserting therein a magazine containing cartridges. Means are provided for releasably closing the opening. A flat tubular magazine is disclosed which is open at both ends, one of which is adapted to be engaged and secured by the magazine lips, the other one is arranged to be entered by the feeder member for delivering the cartridges to the breech. The magazine may be used as a packaging container for the cartridges.
Inventors
- 👤 T Moller
- 👤 D Ketterer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:42
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/61; F41A9/64; F41A9/65; F41A9/66; F41A9/67; F41A9/82; F41A9/83
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
149 words
An automatic hand firearm having a magazine support structure fixed thereto and projecting therefrom, said support structure being in the form of a magazine duct comprising magazine lips located at the upper firearm end of said support structure, a feeder spring means disposed at the lower opposite end of said support structure, a cartridge feeder member displaceable in said support structure by said feeder spring means, and an opening in said support structure intermediate said ends thereof for receiving therein an interchangeable magazine for accommodating cartridges, said magazines having two open ends, one of said ends being adapted to be engaged by said magazine lips, and the other one of said ends being arranged to be entered by said feeder member, and a hollow end member being disposed in the lower end of the magazine duct and having the walls thereof flush with the walls of an inserted magazine.
Claim 2
Dependent Claim
149 words
An automatic hand firearm having a magazine support structure fixed thereto and projecting therefrom, said support structure being in the form of a magazine duct comprising magazine lips located at the upper firearm end of said support structure, a feeder spring means disposed at the lower opposite end of said support structure, a cartridge feeder member displaceable in said support structure by said feeder spring means, and an opening in said support structure intermediate said ends thereof for receiving therein an interchangeable magazine for accommodating cartridges, said magazines having two open ends, one of said ends being adapted to be engaged by said magazine lips, and the other one of said ends being arranged to be entered by said feeder member, and a hollow end member being disposed in the lower end of the magazine duct and having the walls thereof flush with the walls of an inserted magazine.
Claim 3
Dependent Claim
27 words
A hand firearm according to claim 1, wherein a cable projects out of the lower end of the magazine duct and is attached to the feeder member.
Claim 4
Dependent Claim
41 words
A hand firearm according to claim 2, wherein the magazine duct is provided with a bottom member on which the feeder spring constructed as a helical compression spring is supported and the cable extends through an opening in the bottom member.
Claim 5
Dependent Claim
21 words
A hand firearm according to Claim 2, wherein the magazine duct is surrounded by a sleeve which is telescopically displaceable thereon.
Claim 6
Dependent Claim
29 words
A hand firearm according to 4, wherein the cable attached to the feeder member is attached to the lower end of the sleeve which is closed by a cover.
Claim 7
Dependent Claim
29 words
A hand firearm according to 4, wherein the cable attached to the feeder member is attached to the lower end of the sleeve which is closed by a cover.
Claim 8
Dependent Claim
38 words
An automatic hand firearm according to claim 1, wherein the interchangeable magazine is of substantially uniform cross-section and hollow construction to provide a space for accommodating cartridges, said magazine also serving as a packaging container for said cartridges.
Claim 9
Dependent Claim
34 words
A magazine according to claim 6, wherein a resilient rail which has depressions arranged to suit cartridges inserted therein, is disposed on the inside of at least one side wall of the hollow body.
Claim 10
Dependent Claim
135 words
An automatic hand firearm having a magazine support structure fixed thereto and projecting therefrom, said support structure being in the form of a magazine duct comprising magazine lips located at the upper firearm end of said support structure, a feeder spring means disposed at the lower opposite end of said support structure, a cartridge feeder member displaceable in said support structure by said feeder spring means, and an opening in said support structure intermediate said ends thereof for receiving therein an interchangeable magazine for accommodating cartridges, said magazine having two open ends, one of said ends being adapted to be engaged by said magazine lips, and the other one of said ends being arranged to be entered by said feeder member, and the magazine duct being surrounded by a sleeve which is telescopically displaceable thereon.
Claim 11
Dependent Claim
135 words
An automatic hand firearm having a magazine support structure fixed thereto and projecting therefrom, said support structure being in the form of a magazine duct comprising magazine lips located at the upper firearm end of said support structure, a feeder spring means disposed at the lower opposite end of said support structure, a cartridge feeder member displaceable in said support structure by said feeder spring means, and an opening in said support structure intermediate said ends thereof for receiving therein an interchangeable magazine for accommodating cartridges, said magazine having two open ends, one of said ends being adapted to be engaged by said magazine lips, and the other one of said ends being arranged to be entered by said feeder member, and the magazine duct being surrounded by a sleeve which is telescopically displaceable thereon.
Claim 12
Dependent Claim
171 words
An automatic hand firearm having a magazine support structure fixed thereto and projecting therefrom, said support structure being in the form of a magazine duct comprising magazine lips located at the upper firearm end of said support structure, a feeder spring means disposed at the lower opposite end of said support structure, a cartridge feeder member displaceable in said support structure by said feeder spring means, and an opening in said support structure intermediate said ends thereof for receiving therein an interchangeable magazine for accommodating cartridges, said magazine having two open ends, one of said ends being adapted to be engaged by said magazine lips, and the other one of said ends being arranged to be entered by said feeder member, a sleeve surrounding the magazine duct and being displaceable thereon, the sleeve being closed at the lower end thereof by cover means, and a cable projecting out of the lower end of the magazine duct, the cable being attached to the feeder member and the lower end of the sleeve.
Claim 13
Dependent Claim
171 words
An automatic hand firearm having a magazine support structure fixed thereto and projecting therefrom, said support structure being in the form of a magazine duct comprising magazine lips located at the upper firearm end of said support structure, a feeder spring means disposed at the lower opposite end of said support structure, a cartridge feeder member displaceable in said support structure by said feeder spring means, and an opening in said support structure intermediate said ends thereof for receiving therein an interchangeable magazine for accommodating cartridges, said magazine having two open ends, one of said ends being adapted to be engaged by said magazine lips, and the other one of said ends being arranged to be entered by said feeder member, a sleeve surrounding the magazine duct and being displaceable thereon, the sleeve being closed at the lower end thereof by cover means, and a cable projecting out of the lower end of the magazine duct, the cable being attached to the feeder member and the lower end of the sleeve.
Claim 14
Dependent Claim
45 words
A hand firearm according to claim 9, wherein the sleeve is detainable on the duct in the rest position in which it covers the opening provided in the duct for inserting the magazine, and additionally also in a position in which it uncovers this opening.
Claim 15
Dependent Claim
45 words
A hand firearm according to claim 10, wherein a spring loaded pawl is mounted on a wall of the sleeve, a lip of the pawl extending through this wall and engaging into detent grooves which are disposed on the facing wall of the magazine duct.
Claim 16
Dependent Claim
29 words
A hand firearm according to claim 11, wherein a rail is disposed on the facing wall of the magazine duct and is provided with interruptions serving as detent grooves.
Claim 17
Dependent Claim
24 words
A hand firearm according to claim 11, wherein the spring loaded pawl is mounted on the wall forming the forward side of the sleeve.
Claim 18
Dependent Claim
53 words
A hand firearm according to claim 10, wherein a further detainable position for the sleeve is provided in which the upper edge of the sleeve has a spacing of at least one finger width from one of the abutment faces for this edge and the edge of the opening for inserting the magazine.
Claim 19
Dependent Claim
121 words
An automatic hand firearm having an interchangeable magazine, characterized in that magazine lips as well as a feeder member and a feeder spring are component parts of the firearm and the interchangeable magazine is in the form of a longitudinally extending hollow body which iS open at both ends and encloses a space serving for accommodating cartridges, and which is adapted to form directly the packaging container of the cartridges, one end of the magazine being disposed adjacent to the magazine lips and the other end being engaged by the feeder member, and a resilient rail having depressions arranged to suit cartridges inserted in the magazine is disposed on the inside of at least one side wall of the hollow body.
Claim 20
Dependent Claim
121 words
An automatic hand firearm having an interchangeable magazine, characterized in that magazine lips as well as a feeder member and a feeder spring are component parts of the firearm and the interchangeable magazine is in the form of a longitudinally extending hollow body which iS open at both ends and encloses a space serving for accommodating cartridges, and which is adapted to form directly the packaging container of the cartridges, one end of the magazine being disposed adjacent to the magazine lips and the other end being engaged by the feeder member, and a resilient rail having depressions arranged to suit cartridges inserted in the magazine is disposed on the inside of at least one side wall of the hollow body.
Claim 21
Dependent Claim
44 words
A magazine according to claim 15, wherein the resilient rail consists of a synthetic resin strip inserted into an undercut groove of the side wall, and wherein spring means is disposed between the bottom of the groove and the back side of the strip.
Claim 22
Dependent Claim
26 words
A magazine according to claim 15, adapted to receive a double row cartridge arrangement and provided on two side walls thereof with oppositely disposed resilient rails.
Claim 23
Dependent Claim
18 words
A magazine according to claim 15, wherein the magazine is slightly curved of a substantially constant cross section.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |