US2356615A - Firing mechanism for automatic arms - Google Patents

Firing mechanism for automatic arms Download PDF

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Publication number
US2356615A
US2356615A US308871A US30887139A US2356615A US 2356615 A US2356615 A US 2356615A US 308871 A US308871 A US 308871A US 30887139 A US30887139 A US 30887139A US 2356615 A US2356615 A US 2356615A
Authority
US
United States
Prior art keywords
pawl
striker
trigger
lever
tooth
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
US308871A
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English (en)
Inventor
Revelli Gino
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US2356615A publication Critical patent/US2356615A/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
    • F41A19/25—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block
    • F41A19/29—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension
    • F41A19/30—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension in bolt-action guns
    • F41A19/31—Sear arrangements therefor
    • F41A19/32—Sear arrangements therefor for catching the percussion or firing pin after each shot, i.e. in single-shot or semi-automatic firing mode

Definitions

  • the present invention relates to automatic guns and more specifically pertains to the firing mechanism or trigger linkage for releasing the firing
  • An object of the invention resides in providing means for preventing inadvertent discharge of the gun even though the trigger may be maintained in an actuated position.
  • a more specific object of the invention resides in the provision of a pivotal pawl which normally maintains the firing pin in a retracted position including means for pivoting the pawl upon actuation of the trigger and means for further pivoting the pawl to release the same from the trigger linkage so that the pawl may again retain the striker or firing pin in a retracted position even though the trigger is not released.
  • Fig. 1 is an enlarged elevational view of the firing mechanism showing the parts thereof in a cocked position of the firing pin or striker with the parts shown in dotted lines after the striker has been released.
  • Fig. 2 is a similar elevational view of part of the mechanism shown in Fig. 1 after the striker or firing pin has been moved to a position to discharge the gun.
  • Fig. 3 is a side elevational view of the parts shown in Fig. 2 and illustrating the positions thereof during the initial forward movement of the striker.
  • striker or firing pin which i urged forwardly by means of a spring 2 and a rod 3.
  • the striker or firing pin I is adapted to be retracted upon discharge of the gun in a conventional and well known manner.
  • the striker I carries a tooth 4 which is adapted to engage the surface 5 of an arm carried by a pawl IS.
  • the pawl or sear 6 is pivotally mounted on a pin I and the pawl is biased in a counterclockwise direction on the pin 1 by means of a sprin 8.
  • An end 9 of the spring engages the pawl 6 and another end II! of the spring is connected by means of a link II to an arm I2 of a lever I3.
  • the lever I3 is pivotally connected at It to a pivotal trigger I5.
  • the lever or connector I3 is provided with an arm I6 which extends along the lower part of the pawl 6 and the finger-shaped arm I6 is adapted to bear against the lower part II of the pawl 6.
  • the lever I3 is biased to such a position by means of the spring 8 which is connected to the arm I2 by the link II.
  • the finger portion I6 of the lever 13 is also provided with an arcuate surface 24 for engaging the cam-like surface ll of the pawl 6.
  • the lever I3 is also provided with detent means such as a tooth I8 designed to engage a lug I9 of the pawl 6.
  • the lug I9 is provided with two substantially fiat surfaces 20 and 2I arranged in slightly different planes and adapted to be successively engaged by the tooth I8 of the lever I3.
  • the various parts of the trigger release mechanism are retained in the position illustrated in the full line of Fig. 1 when the striker is in a retracted position by the spring 8. In such a position the finger portion I3 of the lever I3 bears against the lower part I! of the pawl 6 and the tooth 4 of the striker I engages the end surface 5 of the pawl and the striker or firing pin is thus retained in a retracted position.
  • a striker having a tooth, yieldable means biasing the striker forwardly, a sear, a pivot pin, adjacent said striker, on which said sear is mounted, said sear being constructed and arranged to engage said tooth to hold said striker in retracted position, said sear being formed with a lower cam surface and with a lug, a trigger pivotally mounted rearwardly of the sear, a connector pivotally connected to said trigger forwardly of the pivotal axis of the trigger and extending along said cam surface and formed with a detent constructed and arranged to engage said lug to move said sear from holding position, and a spring coiled about said pin and having its ends connected with said sear and connector respectively and bearing upwardly thereagainst and thereby biasing said sear to holding position, said connector to a position with said detent in engagement with said lug and said trigger to forward position, said striker being formed with a cam surface constructed and arranged to further move said sear and by said first mentioned cam surface to disengage said de

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
US308871A 1938-12-23 1939-12-12 Firing mechanism for automatic arms Expired - Lifetime US2356615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT217525X 1938-12-23

Publications (1)

Publication Number Publication Date
US2356615A true US2356615A (en) 1944-08-22

Family

ID=11186359

Family Applications (1)

Application Number Title Priority Date Filing Date
US308871A Expired - Lifetime US2356615A (en) 1938-12-23 1939-12-12 Firing mechanism for automatic arms

Country Status (3)

Country Link
US (1) US2356615A (en(2012))
BE (1) BE437193A (en(2012))
CH (1) CH217525A (en(2012))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549797A (en) * 1946-06-21 1951-04-24 Alonzo F Gaidos Fire control mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549797A (en) * 1946-06-21 1951-04-24 Alonzo F Gaidos Fire control mechanism

Also Published As

Publication number Publication date
BE437193A (en(2012))
CH217525A (it) 1941-10-31

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