US3050892A - Automatic firearm utilizing a spring for reloading - Google Patents

Automatic firearm utilizing a spring for reloading Download PDF

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Publication number
US3050892A
US3050892A US800148A US80014859A US3050892A US 3050892 A US3050892 A US 3050892A US 800148 A US800148 A US 800148A US 80014859 A US80014859 A US 80014859A US 3050892 A US3050892 A US 3050892A
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United States
Prior art keywords
shaft
spring
sliding member
firing
rotor
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Expired - Lifetime
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US800148A
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English (en)
Inventor
Vogler Heinrich
Krausser Heinz
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Individual
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Individual
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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
    • F41A9/01—Feeding of unbelted ammunition
    • F41A9/24—Feeding of unbelted ammunition using a movable magazine or clip as feeding element
    • F41A9/26—Feeding of unbelted ammunition using a movable magazine or clip as feeding element using a revolving drum magazine
    • F41A9/27—Feeding of unbelted ammunition using a movable magazine or clip as feeding element using a revolving drum magazine in revolver-type guns

Definitions

  • this is accomplished by providing the firearm with a spring that is self-activated for reloading and inactivated at all other times.
  • FIG. 1 is a fragmentary large scale sectional view of the firing and loading mechanism in accordance with an embodiment of the invention
  • FIG. 2 is an underside view thereof
  • FIG. 3 is an elevational view, partly in section, of the forward portion of the firearm embodying a modification.
  • the firearm comprises a stock 35 (shown in broken lines in the drawing) on which there is mounted a hollow casing 27 (see Fig. 3). Inside the casing 27 there is disposed a rotor 1 which is capable ofrotation, but held immovable against shifting axially of the casing.
  • a spiral spring 2 which acts as a spring, is mounted in a stationary housing 3. The spring 2 surrounds a holder 2a.
  • the said I snsassz Patented Aug. 28, 1-962 "ice holder 2a for the spring 2 and the rotor 1 are mounted on a shaft 9 for rotation therewith.
  • the shaft 9 is preferably provided with a non-circular profile, for instance a polygonal such as a hexagon cross-section, and the said holder for the spring 2 andthe rotor ll define on their interiors matching cross sections with which they are mounted on the shaft slidably relative to the shaft but tied thereto for rotation therewith.
  • the casing which are non-rotatable; these parts are a front plate 7 disposed in the forward portion of the casing, a sliding member 4 that is disposed between the front plate 7 and the spring housing 3- itself.
  • These non-rotatable parts, namely the front plate 7, the sliding member 4, and the spring housing 3 are mounted on mounting means such as two rails 6 (FIG. 2).
  • the housing 3 is furthermore secured to the casing by means of a threaded positioning pin (FIG. 1).
  • the sliding member 4. includes a sleeve 16 and is movable between a forward firing position (shown in FIG. 1) and a rearward cocking position, sliding between these positions on the rails e.
  • Resilient means such as a helical spring 5 urges the sliding member 4 forwardly into the firing position.
  • drum type cartridge magazine 8 that carries cartridges 24.
  • the drum magazine 3 is also shaped internally like the holder 2a for the spring 2 and the rotor l, for rotation with the shaft 9, so that when the shaft 9 rotates there will also rotate the holder for the spring 2, the rotor l, and the drum magazine 3.
  • the shaft 9 may be pulled out rearwardly, and by pulling the shaft 9 for at least a certain distance, it will free the drum magazine 8 permitting exchange of magazines through an open window formed in the casing.
  • a handle or knob 16 is mounted on the shaft 9 outside of the casing, for manipulating the shaft 9.
  • the handle 10 is used, for instance, to pull out the shaft 9 and to push it back into position, as Well as to turn the shaft by hand for winding the spring motor 2.
  • the rotor 1 carries at its forward end a series of sprockets or detents 11, and an engaging element such as a pin 13 engages one of said detents whenever the sliding memher 4 is retracted from the forward firing position.
  • pin 13 is axially movably disposed in the plate 7 and is biased by a spring 12 to project rearwardly into engagement with a detent 11..
  • a portion of the pin 13 projects into the path of the front face 17 of the sliding member 4 to be engaged and be pushed forwardly thereby during the forward movement of the sliding member 4 to the firing position, so that in the firing position of the sliding memher 4 the pin 13 will be disengaged from all the detents 11.
  • the pin 13 and the detents 11 form a releasable locking means for the rotor 1.
  • the rotor 1 is provided on its exterior with one or more cam surfaces 14, for instance a series of spiral cam surfaces 14 as shown in FIGS. 1 and 2.
  • the sliding member 4 has a corresponding and matching internal cam surface or spiral cam surfaces 15, and the cam surfaces 15 of the sliding member 4 engage the cam surfaces 14 of the rotor 1.
  • a projection 20 On the underside of the sliding member 4 there is provided a projection 20 that is engaged releasably in the cocking position by a sear 21 which forms part of a tiltable latch 22 of a latching means for the sliding member 4.
  • a trigger means is provided, including a trigger 23 and linkage associated therewith, operable to release the sear 21 so that the sear 21 will be pushed out of the way by the projection 20 under the force of the spring 5, following which the spring 5 which extends between the housing 3 and the sliding member 4 will propel the sliding member 4- into the firing position.
  • a firing pin 18 is axially movably disposed in the plate 7. It is biased by a spring 19 to project rearwardly into the path of the sliding member 4. The forward end of the firing pin 18 is in register with the detonating area of the cartridge 24, so that impact actuation between the firing pin 18 and the cartridge 24- will cause detonation of the cartridge 24 and propulsion of the bullet through the barrel that is mounted in alignment with the active cartridge bore of the drum magazine 8. in accordance with the embodiment of FIG. 1, the active cartridge bore is that disposed momentarily topmost.
  • the operator will first withdraw the shaft 9 for a distance, by applying pulling force to the knob 10, and will insert a fresh magazine 8 containing a series of cartridges 24. The operator will then push forwardly the shaft 9 to engage the magazine 8.
  • the sliding member 4- will be held in its cocking position by the projection 21. Operation of the trigger 23 will allow the projection 25 ⁇ to push out of the way the sear 21, and the spring 5 will propel the sliding member 4 forwardly into the firing position.
  • the front face 17 of the sliding member 4 during this movement will make impact with the firing bolt 18 and will actuate it to move forwardly to detonate the cartridge 24.
  • the front face 17 of the sliding member 4 will furthermore make impact with the pin 13 dislodging it from its engagement with a detent 11 of the rotor ll.
  • the rotor 1 will rotate under the impulse of the spring 2 by means of the shaft 9, until the pin 13 after rotation of the rotor 1 through a predetermined angle will engage the next succeeding detent 11.
  • FIGS. 1 and 2 the firing pin 18, the active bore of the drum 8, and the barrel are aligned in a position disposed above the shaft 9.
  • the arrangement of FIG. 3 provides instead for alignment of these parts below the shaft 9'.
  • a barrel 25 held interchangeably within a tubular body 26.
  • the tubular body 26 has a forward end 28 that carries with the upper edge of the casing 27 and which may carry a sight 33.
  • a stock in combination, a stock, a loading and firing mechanism supported by said stock, a barrel disposed forwardly of said stock, said mechanism comprising a casing, a plate closing the forward end of said casing and defining with the rear end of said barrel a space open on top, a shaft journalled for rotation in said casing, a drum coaxially mounted on said shaft and rotatable therewith and having cartridge receiving bores parallel of the axis of the shaft and drum, said drum being disposed in said space, said shaft being shiftable axially oppositely between a normal position wherein its forward end projects into said space and engages said drum and, respectively, a retracted position wherein the forward shaft end is retracted from the space and releases the drum to be lifted out, a rotor mounted inside said casing coaxially on said shaft and being rotatable therewith and restrained from movement axially of said shaft and having a cam surface, a spring connected to said shaft and operable to rotate said shaft, a sliding member disposed coaxially,
  • said shaft having a non-circular external cross section, said rotor having a matching non-circular internal cross section, a holder for said spring having a matching internal cross section and being mounted on said shaft and operable to transmit the power of said spring to said shaft for rotation thereof, said shaft having a projection extending rearwardly of said casing, and a handle mounted on said projection for manual rotation of said shaft to wind said spring.
  • said latching means comprising a projection formed on said sliding member a sear releasably engaging said projection in the cocking position of said sliding member, said trigger means being operable to allow said projection to push said sear out of the path of said projection of said sliding member for releasing said sliding member.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
US800148A 1958-03-21 1959-03-18 Automatic firearm utilizing a spring for reloading Expired - Lifetime US3050892A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV0014099 1958-03-21
DEV0014682 1958-07-10

Publications (1)

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US3050892A true US3050892A (en) 1962-08-28

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US (1) US3050892A (de)
CH (1) CH370678A (de)
DE (1) DE1072516B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145495A (en) * 1962-07-06 1964-08-25 David L Katz Exchangeable revolver cylinder and cartridge indexing device
US3161976A (en) * 1964-02-10 1964-12-22 Lambert Chandley William Missile gun with rotatable hammer
US3729853A (en) * 1967-11-24 1973-05-01 Aai Corp Underwater pistol
US3755948A (en) * 1970-06-24 1973-09-04 J Heinicke Tubular firearm
US4141165A (en) * 1977-07-26 1979-02-27 Colt Industries Operating Corp. Double action revolver apparatus and method
US6272782B1 (en) * 1999-01-15 2001-08-14 Hilti Aktiengesellschaft Cartridge magazine displacement mechanism for an explosive powder charge-operated setting tool

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3047040A1 (de) * 1980-12-13 1982-06-24 Sportgeräte Entwicklungs-und Vertriebs GmbH, 7000 Stuttgart Halbautomatische schusswaffe

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US239238A (en) * 1881-03-22 Extractor for revolving fire-arms
US597588A (en) * 1898-01-18 Magazine-pistol
US1284580A (en) * 1918-07-22 1918-11-12 Ignacy Brzostowski Cane-pistol.
US1487722A (en) * 1921-08-29 1924-03-25 Coenders August Firearm
US1534085A (en) * 1923-04-02 1925-04-21 Schwaerzer Max Detonating device
US2057169A (en) * 1935-05-09 1936-10-13 Eric A Swenson Automatic firearm
US2101148A (en) * 1935-03-11 1937-12-07 Charles J Manville Machine projector
US2170221A (en) * 1938-03-11 1939-08-22 Stanley Frederic Toy machine gun
US2786394A (en) * 1954-12-17 1957-03-26 Eugene S Wassel Positive action cam track for automatic guns with rotatable cartridge drum
US2872850A (en) * 1955-06-27 1959-02-10 Ross G Davenport Sub-caliber mechanism including a movable sub-caliber barrel

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US239238A (en) * 1881-03-22 Extractor for revolving fire-arms
US597588A (en) * 1898-01-18 Magazine-pistol
US1284580A (en) * 1918-07-22 1918-11-12 Ignacy Brzostowski Cane-pistol.
US1487722A (en) * 1921-08-29 1924-03-25 Coenders August Firearm
US1534085A (en) * 1923-04-02 1925-04-21 Schwaerzer Max Detonating device
US2101148A (en) * 1935-03-11 1937-12-07 Charles J Manville Machine projector
US2057169A (en) * 1935-05-09 1936-10-13 Eric A Swenson Automatic firearm
US2170221A (en) * 1938-03-11 1939-08-22 Stanley Frederic Toy machine gun
US2786394A (en) * 1954-12-17 1957-03-26 Eugene S Wassel Positive action cam track for automatic guns with rotatable cartridge drum
US2872850A (en) * 1955-06-27 1959-02-10 Ross G Davenport Sub-caliber mechanism including a movable sub-caliber barrel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145495A (en) * 1962-07-06 1964-08-25 David L Katz Exchangeable revolver cylinder and cartridge indexing device
US3161976A (en) * 1964-02-10 1964-12-22 Lambert Chandley William Missile gun with rotatable hammer
US3729853A (en) * 1967-11-24 1973-05-01 Aai Corp Underwater pistol
US3755948A (en) * 1970-06-24 1973-09-04 J Heinicke Tubular firearm
US4141165A (en) * 1977-07-26 1979-02-27 Colt Industries Operating Corp. Double action revolver apparatus and method
US6272782B1 (en) * 1999-01-15 2001-08-14 Hilti Aktiengesellschaft Cartridge magazine displacement mechanism for an explosive powder charge-operated setting tool

Also Published As

Publication number Publication date
DE1072516B (de) 1959-12-31
CH370678A (de) 1963-07-15

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