Semi-automatic b-b pistol with trigger-connnected linkages

Claim 2

A gas-operated gun, comprising a frame containing a projectile magazine and a supply of gas under pressure, a barrel secured in said frame, a projectile loader mounted in said frame for movement in opposite directions between a loading position in which it receives a projectile from said magazine, and a firing position in which it holds the projectile in registry with the bore of said barrel, said loader having a duct therethrough for conducting gas from said supply to the rear of a projectile contained in said loader, means including a normally-closed valve for preventing flow of the gas from said supply to said duct, and operative, when said valve is open and said loader is in its firing position, to deliver gas from said supply through said duct to the rear of the projectile to propel it out of said loader and through said barrel, a hammer mounted on said frame for movement from an inactive into a firing position in which it momentarily opens said valve, a trigger movable on said frame between firing and released positions, a linkage positively connecting said trigger to said loader to shift said loader positively from its loading to its firing position upon movement of said trigger to its firing position, and a linkage positively connecting said trigger to said hammer and operative, each time said trigger is moved to its firing position, to move said hammer positively into cocked position, and spring means operative, upon movement of said hammer to cocked position, to drive said hammer to firing position, to open said valve when said loader is in its firing position.

Claim 3

A gas-operated gun, comprising a frame containing a projectile magazine and a supply of gas under pressure, a barrel secured in said frame, a projectile loader mounted in said frame for movement in opposite directions between a loading position in which it receives a projectile from said magazine, and a firing position in which it holds the projectile in registry with the bore of said barrel, means including a normally-closed valve for preventing flow of the gas from said supply to said loader, and operative, when said valve is open and said loader is in its firing position, to deliver gas from said supply to the rear of the projectile to propel it out of said barrel, a hammer mounted on said frame for movement from inactive into firing position in which it momentarily opens said valve, a trigger movable on said frame between firing and released positions, means connecting said trigger to said loader to shift said loader from its loading to its firing position upon movement of said trigger to its firing position, and means also connecting said trigger to said hammer and operative, each time said trigger is moved to its firing pOsition momentarily to move said hammer into its firing position to open said valve when said loader is in its firing position, said last-named means comprising a first link pivotally connected by a first pin to said trigger, a second link pivotally connected at one end by a second pin to said first link and at its opposite end by a third pin to said hammer, and resilient means normally urging said hammer toward its firing position.

Claim 4

A gas-operated gun, comprising a frame containing a projectile magazine and a supply of gas under pressure, a barrel secured in said frame, a projectile loader mounted in said frame for movement in opposite directions between a loading position in which it receives a projectile from said magazine, and a firing position in which it holds the projectile in registry with the bore of said barrel, means including a normally-closed valve for preventing flow of the gas from said supply to said loader, and operative, when said valve is open and said loader is in its firing position, to deliver gas from said supply to the rear of the projectile to propel it out of said barrel, a hammer mounted on said frame for movement from inactive into firing position in which it momentarily opens said valve, a trigger movable on said frame between firing and released positions, means connecting said trigger to said loader to shift said loader from its loading to its firing position upon movement of said trigger to its firing position, and means also connecting said trigger to said hammer and operative, each time said trigger is moved to its firing pOsition momentarily to move said hammer into its firing position to open said valve when said loader is in its firing position, said last-named means comprising a first link pivotally connected by a first pin to said trigger, a second link pivotally connected at one end by a second pin to said first link and at its opposite end by a third pin to said hammer, and resilient means normally urging said hammer toward its firing position.

Claim 5

A gas-operated gun as claimed in claim 2, wherein said resilient means normally holds said links in a first position in which said second pin is positioned at one side of an imaginary plane containing the axes of said first and third pins, said trigger is operative during movement thereof to its firing position to swing said first pin and said first link in a direction to shift said second pin to the opposite side of said plane, and said resilient means is operative, when said second pin has been shifted to said opposite side of said plane, suddenly to urge said hammer to its firing position, thereby to open said valve.

Claim 6

A gas-operated gun, comprising a frame containing a projectile magazine and a supply of gas under pressure, a barrel secured in said frame, a projectile loader mounted in said frame for movement in opposite directions between a loading position in which it receives a projectile from said magazine, and a firing position in which it holds the projectile in registry with the bore of said barrel, means including a normally-closed valve for preventing flow of the gas from said supply to said loader, and operative, when said valve is open and said loader is in its firing position, to deliver gas from said supply to the rear of the projectile to propel it out of said barrel, a hammer mounted on said frame for movement from inactive into firing position in which it momentarily opens said valve, a trigger movable on said frame between firing and released positions, means connecting said trigger to said loader to shift said loader from its loading to its firing position upon movement of said trigger to its firing position, and means also connecting said trigger to said hammer and operative, each time said trigger is moved to its firing position, momentarily to move said hammer positively into its firing position to open said valve when said loader is in its firing position, said hammer and trigger being mounted to pivot about spaced, parallel axes, resilient means constantly urging said hammer to its firing position, and said means connecting said trigger to said hammer comprising a pair of pivotally interconnected links movable from a first to a second position during movement of said trigger from its released to its firing position, and vice versa, said links being operative during initial movement thereof from said first to said second position to pivot said hammer against the resistance of said resilient means, and said resilient means being operative after predetermined movement of said links from said first to said second position suddenly to urge said links rapidly to said second position while urging said hammer rapidly back to its firing position.

Claim 7

A gas-operated gun, comprising a frame containing a projectile magazine and a supply of gas under pressure, a barrel secured in said frame, a projectile loader mounted in said frame for movement in opposite directions between a loading position in which it receives a projectile from said magazine, and a firing position in which it holds the projectile in registry with the bore of said barrel, means including a normally-closed valve for preventing flow of the gas from said supply to said loader, and operative, when said valve is open and said loader is in its firing position, to deliver gas from said supply to the rear of the projectile to propel it out of said barrel, a hammer mounted on said frame for movement from inactive into firing position in which it momentarily opens said valve, a trigger movable on said frame between firing and released positions, means connecting said trigger to said loader to shift said loader from its loading to its firing position upon movement of said trigger to its firing position, and means also connecting said trigger to said hammer and operative, each time said trigger is moved to its firing position, momentarily to move said hammer positively into its firing position to open said valve when said loader is in its firing position, said hammer and trigger being mounted to pivot about spaced, parallel axes, resilient means constantly urging said hammer to its firing position, and said means connecting said trigger to said hammer comprising a pair of pivotally interconnected links movable from a first to a second position during movement of said trigger from its released to its firing position, and vice versa, said links being operative during initial movement thereof from said first to said second position to pivot said hammer against the resistance of said resilient means, and said resilient means being operative after predetermined movement of said links from said first to said second position suddenly to urge said links rapidly to said second position while urging said hammer rapidly back to its firing position.

Claim 8

A gas-operated gun as defined in claim 4, wherein said loader is mounted to pivot between loading and firing positions about an axis parallel to the pivotal axes of said hammer and trigger, and said means connecting said trigger to said loader comprises a third link pivotally connected at one end to said trigger and at its opposite end to said loader thereby to pivot said loader in response to pivotal movement of said trigger.

Claim 9

A gas-operated gun as defined in claim 5, wherein one of said pair of links is pivotally connected at one end to said hammer, the other of said pair of links is pivotally connected at one end to the opposite end of said one link, and is pivotally connected intermediate its ends to said trigger, and said other link and saId one end of said third link pivot about a common axis that extends through said trigger parallel to the pivotal axis thereof.

Claim 10

A gas-operated gun as defined in claim 6, wherein the opposite end of said other link is disposed to be swung in an arcuate path upon pivotal movement of said trigger, and a safety member is mounted on said frame adjacent said trigger for manual movement into and out of an operative position in which said member projects into said path to prevent movement of said other link and said trigger.

Claim 11

A gas-operated gun, comprising a frame having therein a projectile magazine and a supply of gas under pressure, a barrel mounted in said frame adjacent said magazine, a cylindrical projectile loader rotatably mounted in said frame rearwardly of said barrel to pivot about an axis perpendicular to the bore of said barrel between a loading position in which a projectile pocket in said loader registers with said magazine, and a firing position in which said pocket and the projectile therein register with the rear end of said bore, said loader having a duct therein for conducting gas from said supply to the rear of a projectile in said loader, a hammer mounted on said frame rearwardly of said barrel to pivot from cocked to firing position about an axis parallel to the axis of rotation of said loader, means including a normally closed valve positioned to be opened by said hammer each time the latter is pivoted to firing position, and operative, when said valve is open and said loader is in its firing position, to convey gas under pressure from said supply to the rear of the projectile in said pocket to propel the projectile out of said barrel, a trigger pivoted on said frame for movement between released and fired positions, respectively, about an axis parallel to the first-named axes, and linkage positively connecting said trigger to said hammer and to said loader to move said loader from its loading to its firing position, and simultaneously to pivot said hammer about its pivotal axis to cocked position, each time said trigger is moved from its released to its fired position, and spring means operative, upon movement of said hammer to cocked position, to fire said hammer.

Claim 12

A gas-operated gun, comprising a frame having therein a projectile magazine and a supply of gas under pressure, a barrel mounted in said frame adjacent said magazine, a cylindrical projectile loader rotatably mounted in said frame rearwardly of said barrel to pivot about an axis perpendicular to the bore of said barrel between a loading position in which a projectile pocket in said loader registers with said magazine, and a firing position in which said pocket and the projectile therein register with the rear end of said bore, said loader having a duct therein for conducting gas from said supply to the rear of a projectile in said loader, a hammer mounted on said frame rearwardly of said barrel to pivot from cocked to firing position about an axis parallel to the axis of rotation of said loader, means including a normally closed valve positioned to be opened by said hammer each time the latter is pivoted to firing position, and operative, when said valve is open and said loader is in its firing position, to convey gas under pressure from said supply to the rear of the projectile in said pocket to propel the projectile out of said barrel, a trigger pivoted on said frame for movement between released and fired positions, respectively, about an axis parallel to the first-named axes, and linkage positively connecting said trigger to said hammer and to said loader to move said loader from its loading to its firing position, and simultaneously to pivot said hammer about its pivotal axis to cocked position, each time said trigger is moved from its released to its fired position, and spring means operative, upon movement of said hammer to cocked position, to fire said hammer.

Claim 13

A gas-operated gun as defined in claim 8, wherein said connecting means comprises a first linkage for imparting the pivotal movement of said trigger to said loader, and a second linkage for imparting to said hammer the pivotal movement to its cocked position.

Claim 14

A gas-operated gun comprising a frame having therein a projectile magazine and a supply of gas under pressure, a barrel mounted in said frame adjacent said magazine, a cylindrical projectile loader mounted in said frame rearwardly of said barrel to pivot about an axis perpendicular to the bore of said barrel between a loading position in which a projectile pocket in said loader registers with said magazine, and a firing position in which said pocket and the projectile therein register with the rear end of said bore, a hammer mounted on said frame rearwardly of said barrel to pivot from inoperative to firing position about an axis parallel to the axis of rotation of said loader, means including a normally closed valve positioned to be opened by said hammer each time the latter is pivoted to firing position, and operative, when said valve is open and said loader is in its firing position, to convey gas under pressure from said supply to the rear of the projectile in said pocket to propel the projectile out of said barrel, a trigger pivoted on said frame for movement between released and fired positions, respectively, about an axis parallel to the first-named axes, and means connecting said trigger to said hammer and to said loader to move said loader from its loading to its firing position, and simultaneously to pivot said hammer about its pivotal axis to firing position, each time said trigger is moved from its released to its fired position, said connecting means comprising a first rigid link pivotally connected at one end to said trigger and at its opposite end to said loader to impart the pivotal movement of said trigger to said loader, and a pair of collapsible links pivotally connected at opposite ends to said trigger and said hammer, respectively, and having adjacent ends pivotally connected to each other by a pin that is swingable, during pivotal movement of said trigger between its released and firing positions, between limit positions from one side to the other of a plane containing the pivotal axes of said opposite ends of said links, and resilient means connected to said hammer to resist movement of said hammer and pin, during initial movement of said trigger from its released to its fired position, and operative, when said pin has swung beyond said plane toward said other side thereof, suddenly to snap said pin to its other limit position, and said hammer from its inoperative to its firing position, thereby momentarily to open said valve. inoperative to its firing position, thereby momentarily to open said valve.

Claim 15

A gas-operated gun comprising a frame having therein a projectile magazine and a supply of gas under pressure, a barrel mounted in said frame adjacent said magazine, a cylindrical projectile loader mounted in said frame rearwardly of said barrel to pivot about an axis perpendicular to the bore of said barrel between a loading position in which a projectile pocket in said loader registers with said magazine, and a firing position in which said pocket and the projectile therein register with the rear end of said bore, a hammer mounted on said frame rearwardly of said barrel to pivot from inoperative to firing position about an axis parallel to the axis of rotation of said loader, means including a normally closed valve positioned to be opened by said hammer each time the latter is pivoted to firing position, and operative, when said valve is open and said loader is in its firing position, to convey gas under pressure from said supply to the rear of the projectile in said pocket to propel the projectile out of said barrel, a trigger pivoted on said frame for movement between released and fired positions, respectively, about an axis parallel to the first-named axes, and means connecting said trigger to said hammer and to said loader to move said loader from its loading to its firing position, and simultaneously to pivot said hammer about its pivotal axis to firing position, each time said trigger is moved from its released to its fired position, said connecting means comprising a first rigid link pivotally connected at one end to said trigger and at its opposite end to said loader to impart the pivotal movement of said trigger to said loader, and a pair of collapsible links pivotally connected at opposite ends to said trigger and said hammer, respectively, and having adjacent ends pivotally connected to each other by a pin that is swingable, during pivotal movement of said trigger between its released and firing positions, between limit positions from one side to the other of a plane containing the pivotal axes of said opposite ends of said links, and resilient means connected to said hammer to resist movement of said hammer and pin, during initial movement of said trigger from its released to its fired position, and operative, when said pin has swung beyond said plane toward said other side thereof, suddenly to snap said pin to its other limit position, and said hammer from its inoperative to its firing position, thereby momentarily to open said valve. inoperative to its firing position, thereby momentarily to open said valve.