US2042613A - Discharge mechanism for automatic firearms - Google Patents

Discharge mechanism for automatic firearms Download PDF

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Publication number
US2042613A
US2042613A US672930A US67293033A US2042613A US 2042613 A US2042613 A US 2042613A US 672930 A US672930 A US 672930A US 67293033 A US67293033 A US 67293033A US 2042613 A US2042613 A US 2042613A
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US
United States
Prior art keywords
bolt
hammer
locking lever
arm
pivot
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
US672930A
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English (en)
Inventor
Mancini Niccolo
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US2042613A publication Critical patent/US2042613A/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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/42—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer
    • F41A19/43—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer in bolt-action guns
    • 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
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/38—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes

Definitions

  • Automatic fire arms comprising a double-armed locking lever the fore-arm of which is adapted to lock the bolt whilst the reararm retains the firing pin until the bolt is completely locked.
  • the present invention relates to a simplication in the discharge mechanism'of arms of this sort, consisting in that the reararm of the locking lever performs another function, namely, it is used as a hammer for actuating the ring pin.
  • FIG. 1 is a view in longitudinal section showing the discharge mechanism in the normal or rest position
  • Fig. 2 is a similar View showing the bolt in its extreme position directly after the discharge
  • Fig. 3 is an enlarged view of a part of Fig. l i. e., showing the parts in the rest position
  • Fig. 4 shows the same parts, but at the moment of discharge
  • Fig. 5 is a sectional view through the doublearmed locking lever showing the hammer-retaining springs
  • Fig. 6 is a view similar to Fig. 5 with a somewhat different disposition of the parts.
  • a double-armed locking lever I is rotatably mounted on a pivot 2 in the bolt casing 4, in such a manner that in rest position its fore-arm engages with a recess in the bolt 3 and locks the latter.
  • the bolt casing can be moved to and fro in the box 5.
  • a hammer 6 which operates the firing pin 8 is rotatably mounted on a pivot 'I.
  • the hammer 5 is held in the rest position by the knobs I4 of the springs I4 (Figs. 5 and 6) which engage in recesses in the hammer, and released for discharge of the firearm by means of a trigger knob I5. which spreads the springs I4.
  • the hammer 6 is rigidly hooked to the stationary part of the rear-arm of the locking lever (Figs. 3 and 5) and the fore-arm of the locking lever locks the bolt (Fig. 3).
  • the knob I5 When the knob I5 is pressed the springs I4 are spread. The knobs I4 therefore leave the recesses in the hammer, so that the tension spring I can pull the hammer 6 forward, causing the latter to strike against the ring pin 8 (Fig. 4) The nre-arm is, therefore, discharged.
  • a discharge mechanism for automatic rire-arms a bolt, a bolt-casing surrounding said bolt, a pivot carried by said bolt casing, a doublearmed locking lever rotatably mounted on said pivot, one arm of said locking lever being adapted to engage a recess formed in said bolt, whereby said bolt is locked, another pivot carried by the other arm of said locking lever, a hammer rotatably mounted on the second-mentioned pivot, and resilient means connected with said hammer and said locking lever.
  • a discharge mechanism for rautomatic re-fr arms comprising a bolt, a bolt-casing surrounding saidy bolt, rapivot. carried by said bolt-casing, a double-armed locking lever rotatably rmounted,
  • said pivot,fone arm or" said locking lever being adapted to engage a recess formed in said bolt
  • a discharge Ymechanism for automatic rearms comprising a bolt, a bolt-casing surroundv ing said bolt, a ypivot carriedby said bolt-casing,
  • v a double-armed locking lever rotatably mounted on said pivot, one arm of said locking lever beingr 'adapted'to engage a recess Yformed in said bolt,
  • a discharge mechanism for automaticl rirearms comprising a bolt, a bolt-casing surrounding said bolt, a pivot carried by said bo1t-casing, a double-armed locking lever rotatably mounted on said pivot,one arm of said locking lever being adapted to engage a recess formed in said bolt, whereby said bolt is locked, a firing pin surrounded by said bolt, another pivot carried by said locking lever, a hammer rotatably mounted on the secondmentioned pivot, a spring conf nected with said hammer and said locking lever andadapted to swing said hammer, whereby'said hammer strikes against said ring pin, causing a discharge and arecoil movement of said boltto come in contact with said locking lever and f said hammer during said recoil movement, wherew bysad locking lever is moved out of engagement :with said bolt and said hammer is swung into an casing and bolt, a box surrounding said bolt-casf ing and ⁇ comprising a projection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Percussive Tools And Related Accessories (AREA)
US672930A 1933-02-28 1933-05-26 Discharge mechanism for automatic firearms Expired - Lifetime US2042613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE413103X 1933-02-28

Publications (1)

Publication Number Publication Date
US2042613A true US2042613A (en) 1936-06-02

Family

ID=6440883

Family Applications (1)

Application Number Title Priority Date Filing Date
US672930A Expired - Lifetime US2042613A (en) 1933-02-28 1933-05-26 Discharge mechanism for automatic firearms

Country Status (4)

Country Link
US (1) US2042613A (enrdf_load_stackoverflow)
BE (1) BE396266A (enrdf_load_stackoverflow)
FR (1) FR755924A (enrdf_load_stackoverflow)
GB (1) GB413103A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2868081A (en) * 1956-08-29 1959-01-13 Donald P Grover Retractable firing pin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2868081A (en) * 1956-08-29 1959-01-13 Donald P Grover Retractable firing pin

Also Published As

Publication number Publication date
FR755924A (fr) 1933-12-01
BE396266A (enrdf_load_stackoverflow)
GB413103A (en) 1934-07-12

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