GB573029A - Improvements in trigger mechanisms for automatic firearms - Google Patents

Improvements in trigger mechanisms for automatic firearms

Info

Publication number
GB573029A
GB573029A GB1507243A GB1507243A GB573029A GB 573029 A GB573029 A GB 573029A GB 1507243 A GB1507243 A GB 1507243A GB 1507243 A GB1507243 A GB 1507243A GB 573029 A GB573029 A GB 573029A
Authority
GB
United Kingdom
Prior art keywords
trigger
bar
sear
cone
spindle
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
Application number
GB1507243A
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.)
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
Priority to GB1507243A priority Critical patent/GB573029A/en
Publication of GB573029A publication Critical patent/GB573029A/en
Expired legal-status Critical Current

Links

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
    • F41A19/33—Arrangements for the selection of automatic or semi-automatic fire

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Lowering Means (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

573,029. Automatic smallarms. LANCHESTER, G. H. Sept. 14, 1943, No. 15072. [Class 119] The operative-element of a change-fire device is a conical finger 18 mounted eccentrically on the rear end of a spindle 20, which is lockable in either one of three angular positions by a finger-lever 23 and a spring latch 25. In its highest position, as shown in Fig. 3, the cone 18 engages an inclined notch 14a leading into a central bore 15 in the end of the trigger-bar 10 by which the sear 12 (pivoted at 28) is actuated. When the trigger 1 is pulled, the bar 10 is pushed forwardly by the trigger nose 8 and the incline 14a rides on the point 17 of the cone 18 to the position shown in dotted lines and disconnects the bar from the trigger. The sear spring 29 then reacts to re-set the sear into cocking position, thus permitting single shots only to be fired. For automatic fire, the spindle 20 is rotated 180 degrees to bring the cone 18 to its lowest position in which it engages a second inclined notch 14b in the end of the trigger-bar. In this case, the cone holds the bar in engagement with the trigger, so that the sear 12 is depressed so long as the trigger is held pulled. For the " safe " setting, the spindle 20 is rotated to an intermediate position, indicated at 41 in the end elevation of the trigger-bar shown in Fig. 4, in which position the conical point 17 engages a cylindrically-curved surface 16 at one side of the notches 14a, 14b. Movement of the bar to fire the weapon is thus prevented.
GB1507243A 1943-09-14 1943-09-14 Improvements in trigger mechanisms for automatic firearms Expired GB573029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1507243A GB573029A (en) 1943-09-14 1943-09-14 Improvements in trigger mechanisms for automatic firearms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1507243A GB573029A (en) 1943-09-14 1943-09-14 Improvements in trigger mechanisms for automatic firearms

Publications (1)

Publication Number Publication Date
GB573029A true GB573029A (en) 1945-11-02

Family

ID=10052532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1507243A Expired GB573029A (en) 1943-09-14 1943-09-14 Improvements in trigger mechanisms for automatic firearms

Country Status (1)

Country Link
GB (1) GB573029A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012479A (en) * 1957-04-30 1961-12-12 Sterling Eng Co Ltd Firing mechanism for automatic firearms
FR2231938A1 (en) * 1973-05-29 1974-12-27 Tellie Paul
FR2545919A1 (en) * 1983-05-11 1984-11-16 Rondet Jean Pierre Automatic firearm firing mechanism - has catch link spindle working against internal cam formed in trigger
EP0204691A2 (en) * 1985-06-07 1986-12-10 STEYR-DAIMLER-PUCH Aktiengesellschaft Trigger mechanism for automatic firearms
CN111895858A (en) * 2020-08-11 2020-11-06 苑金龙 Single-repeating rubber band gun

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012479A (en) * 1957-04-30 1961-12-12 Sterling Eng Co Ltd Firing mechanism for automatic firearms
FR2231938A1 (en) * 1973-05-29 1974-12-27 Tellie Paul
FR2545919A1 (en) * 1983-05-11 1984-11-16 Rondet Jean Pierre Automatic firearm firing mechanism - has catch link spindle working against internal cam formed in trigger
EP0204691A2 (en) * 1985-06-07 1986-12-10 STEYR-DAIMLER-PUCH Aktiengesellschaft Trigger mechanism for automatic firearms
EP0204691A3 (en) * 1985-06-07 1987-08-26 Steyr-Daimler-Puch Aktiengesellschaft Trigger mechanism for automatic firearms
CN111895858A (en) * 2020-08-11 2020-11-06 苑金龙 Single-repeating rubber band gun

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