Feeder

And at least partly self acting gun having repeated cycles of operation and firing linked rounds of ammunition comprising:

• a housing;
• a bolt having a bolt face and disposed in said housing and reciprocable along a longitudinal axis to and between a seared station and a chambered station;
• said bolt face including a pair of diametrically opposed extractor hooks defining a passageway therebetween for passing the extractor disk of the case of a round of ammunition;
• first transfer means disposed in said housing for receiving a first train of linked rounds and for side stripping the leading round from its link in the train;
• second transfer means disposed in said housing for receiving a second train of linked rounds and for side stripping the leading round from its link in the train;
• third transfer means disposed in said housing for transferring the stripped leading round from said first transfer means to said bolt face when said bolt is at its seared station;
• fourth transfer means disposed in said housing for transferring the stripped leading round from said second transfer means to said bolt face when said bolt is at the seared station;
• and
• drive means having a first disposition for driving said first and third transfer means and for locking said second and fourth transfer means, and a second disposition for driving said second and fourth transfer means and for locking said first and third transfer means;
• said third and fourth transfer means respectively disposing the extractor disk of the case of a transferred round of ammunition into said passageway defined by said extractor hooks, with said hooks entering the extractor groove of that case.
• said third and fourth transfer means respectively including;
• first guide means pivoted to said housing for movement in a plane transverse to said longitudinal axis of said gun bolt;
• second guide means carried by and journalled for reciprocation along said first guide means and having a pair of spaced apart arms defining a recess for receiving a round of ammunition;
• and
• crank means pivoted to said second guide means for reciprocating said second guide means upon said first guide means and thereby causing said first guide means to reciprocate upon its pivot.

An at least partly self acting gun having a single gun barrel and a single gun bolt and undergoing repeated cycles of operation and firing a train of rounds of ammunition comprising:

• a housing;
• said gun bolt having a bolt face and disposed in said housing and reciprocable along a longitudinal axis to and between a seared station and a chambered station;
• said bolt face including a pair of diametrically opposed extractor hooks defining a passageway therebetween for passing the extractor disk of the case of a round of ammunition;
• first transfer means disposed in said housing for receiving a first train of rounds and for withdrawing the leading round from its train;
• second transfer means disposed in said housing for receiving a second train of rounds and for withdrawing the leading round from its train;
• third transfer means disposed in said housing for transferring the withdrawn leading round from said transfer means to said bolt face when said bolt is at its seared station;
• fourth transfer means disposed in said housing for transferring the withdrawn leading round from said second transfer means to said bolt face when said bolt is at the seared station;
• and
• drive means having a first disposition for driving said first and third transfer means and for locking said second and fourth transfer means, and a second disposition for driving said second and fourth transfer means and for locking said first and third transfer means;
• said third and fourth transfer means respectively disposing the extractor disk of the case of a transferred round of ammunition into said passageway defined by said extractor hooks, with said hooks entering the extractor groove of that case.

An at least partly self acting gun having a repeated cycle of operation, comprising:

• a housing;
• a bolt having a bolt face and disposed in said housing and reciprocable along a longitudinal axis to and between a seared station and a chambered station;
• first transfer means disposed in said housing for receiving a train of rounds at a substantially uniform linear velocity;
• second transfer means disposed in said housing for transferring the leading round from said first transfer means to said bolt face when said bolt is at its seared station;
• said second transfer means including:
• first guide means pivoted to said housing for movement in a plane transverse to said longitudinal axis of said gun bolt,
• second guide means carried by and journalled for reciprocation along said first guide means and having a pair of spread apart arms defining a recess for receiving a round of ammunition, and
• crank means pivoted to said second guide means for reciprocating said second guide means upon said first guide means and thereby causing said first guide means to reciprocate upon its pivot.

An at least partly self acting gun having a repeated cycle of operation comprising:

• a housing;
• a bolt having a bolt face and disposed in said housing and reciprocable along a longitudinal axis to and between a seared station and a chambered station;
• first rounds transfer means disposed in said housing for receiving a train of rounds at a substantially uniform linear velocity;
• second rounds transfer means disposed in said housing for transferring the leading round from said first rounds transfer means to said bolt face when said bolt is at its seared station;
• drive means for said first and second rounds transfer means including:
• first rotary means for rotation at a substantially uniform velocity during the entire gun cycle;
• first power transfer means coupled to and between said first rotary means and said first rounds transfer means for driving said first rounds transfer means at a substantially uniform velocity during the entire gun cycle for each gun cycle;
• second power transfer means coupled to and between said first rotary means and said second rounds transfer means for driving said second rounds transfer means for an interval less than a whole gun cycle during each gun cycle;
• said second power transfer means including:
• a power train coupling means switched by a cam follower having a switch on position and a switch off position, and
• a rotary cam driver driven by said first rotary means and driving said cam follower to and between said switch on and switch off positions.

An at least partly self acting gun having repeated cycles of operation and firing a train of rounds of ammunition comprising:

• a housing;
• a bolt having a bolt face and disposed in said housing and reciprocable along a longitudinal axis to and between a seared station and a chambered station;
• said bolt face including a pair of diametrically opposed extractor hooks defining a passageway therebetween for passing the extractor disk of the case of a round of ammunition;
• first transfer means disposed in said housing for receiving a first train of rounds and for withdrawing the leading round from its train;
• second transfer means disposed in said housing for receiving a second train of rounds and for withdrawing the leading round from its train;
• third transfer means disposed in said housing for transferring the withdrawn leading round from said first transfer means to said bolt face when said bolt is at its seared station;
• fourth transfer means disposed in said housing for transferring the withdrawn leading round from said second transfer means to said bolt face when said bolt is at the seared station;
• and
• drive means having a first disposition for driving said first and third transfer means and locking said second and fourth transfer means, and a second disposition for driving said second and fourth transfer means and for locking said first and third transfer means;
• said third and fourth transfer means respectively disposing the extractor disk of the case of a transferred round of ammunition into said passageway defined by said extractor hooks, with said hooks entering the extractor groove of that case;
• said third and fourth transfer means respectively including:
• first guide means pivoted to said housing for movement in a plane transverse to said longitudinal axis of said gun bolt;
• second guide means carried by and journaled for reciprocation along said first guide means and having a pair of spaced apart arms defining a recess for receiving a round of ammunition;
• and
• crank means pivoted to said second guide means for reciprocating said second guide means upons said first guide means and thereby causing said first guide means to reciprocate upon its pivot.

A feeder mechanism for a gun having repeated cycles of operation and adapted to fire a train of rounds of ammunition, the mechanism including:

• a first power-transmission-drive including a succession of drivable members which succession terminates in a respective first ammunition-rounds transfer means adapted to receive the train of sounds and to withdraw the leading round from its place in the train;
• a second power-transmission-drive including a succession of drivable members which succession terminates in a respective second ammunition-rounds transfer means adapted to transfer the said leading round from the first transfer means to the face of the gun's bolt after the last previous leading round has been fired, wherein the second ammunition-rounds transfer means comprises
• a moveable feed-arm which is forked towards one end and adapted to seat and to carry bodily the said leading round between the prongs defining the fork, and to positively position the transferred round to the face of the gun's bolt,
• a rotary output shaft of the second rounds-transfer-means, and
• submechanism intercoupling the rotary output shaft and the feed-arm to impart motion to the feed-arm.