Separating firearm sear

Abstract

A separating firearm sear is shown and disclosed which is adapted to be disposed in operative relationship within a firearm, the firearm having a forwardly movable assembly with a barrel, receiver, and trigger; and a stationary assembly including one or more firing mechanisms including a combination firearm hammer and firing pin; the separating sear having a rotatable sear lever having first and second ends, the first end having a sear hook which is adapted to engage a sear engaging surface of the hammer, the second end formed as a bevel; and a translational sear link having first and second ends, the first end affixed to the trigger, and the second end formed as a bevel counter posed to the bevel on the sear lever; whereby the rotatable sear lever is connected to and is a part of the stationary assembly, and is disposed in non-translational yet rotatable relationship relative to the hammer; and whereby the respective bevels on the second ends of the sear link and the sear lever are adapted to contact each other upon translational movement of the trigger and sear link toward the sear lever such that upon post-contact movement of the sear link toward the sear lever, the sear lever is caused to rotate.

1 . A separating firearm sear adapted to be disposed in operative relationship as an operative component part of a firearm, the firearm having connected in operative relationships with each other a forwardly movable assembly including a barrel, a receiver, and a trigger; and a substantially stationary assembly including one or more firing mechanisms including a combination of a firing pin and a firearm hammer; the trigger operably disposed and adapted to provide an initiating movement deliverable to the separating firearm sear which provides initiation of movement to the combination of the hammer and firing pin to fire the firearm, the hammer having a sear engaging surface; 
 the separating sear comprising:    a rotatable sear lever having first and second lever ends, the first lever end having a sear hook which is adapted to engage a sear engaging surface of the firearm hammer, the second lever end formed as a lever bevel; and    a translational sear link having first and second link ends, the first link end being affixed to the trigger, and the second link end formed as a link bevel counter posed to the lever bevel on the sear lever;    whereby the rotatable sear lever is connected to and is a part of the stationary assembly, and is disposed in non-translational yet rotatable operative relationship with the hammer firing pin combination and the trigger;    whereby the translational sear link forms a part of the movable assembly;    whereby the respective link and lever bevels on the second ends of the sear link and the sear lever are adapted to contact each other upon translational movement of the trigger and sear link toward the sear lever such that upon continued post-contact movement of the sear link toward the sear lever, the sear lever is caused to rotate; and    whereby the sear link and sear lever are adapted to separate during forward movement of the forwardly movable assembly.    
     
     
         2 . A separating firearm sear according to  claim 1  whereby the respective bevels on the second ends of the sear link and the sear lever are adapted to be in contact with each other in an at rest position when the forwardly movable assembly is moved back from the forward position.  
     
     
         3 . A separating firearm sear according to  claim 1  whereby the respective bevels on the second ends of the sear link and the sear lever are adapted to be disposed in non-triggering, non-lever-rotational contact with each other when the trigger is in an at rest position when the forwardly movable assembly is moved back from the forward position.  
     
     
         4 . A separating firearm sear according to  claim 1  whereby the sear lever is biased into position to engage the sear hook against the sear engaging surface of the firearm hammer.  
     
     
         5 . A separating firearm sear according to  claim 1  whereby the sear lever is operationally connected to a spring disposed in the stationary assembly to bias the sear hook into position to engage the sear hook against the sear engaging surface of the firearm hammer.  
     
     
         6 . A separating firearm sear according to  claim 1  whereby the sear link is adapted to be alternately movable away from the sear lever so that the respective bevels of the second ends of the sear link and sear lever are moved out of contact with one another.  
     
     
         7 . A separating firearm sear according to  claim 1  whereby the sear link is adapted to be alternately movable away from the sear lever so as to provide for movement of the trigger out of engagement with the stationary assembly including the one or more firing mechanisms during loading and unloading of cartridges into the firearm.  
     
     
         8 . A separating firearm sear according to  claim 1  whereby the forwardly movable assembly includes a movable pump action loading and unloading apparatus connected to one or more of the barrel, receiver and trigger each of which being movable therewith during forward and rearward movement thereof for loading and unloading of the firearm, and whereby the sear link is adapted to be alternately movable away from the sear lever so as to provide for movement of the trigger out of engagement with the stationary assembly including the one or more firing mechanisms during loading and unloading of cartridges into the firearm.  
     
     
         9 . A separating firearm sear according to  claim 1  whereby the sear link is adapted to be alternately movable away from the sear lever so that the respective bevels of the second ends of the sear link and sear lever are moved out of contact with one another so as to be spaced apart to allow for movement of one or more operative parts therebetween.  
     
     
         10 . A separating firearm sear according to  claim 1  whereby the sear link is adapted to be alternately movable away from the sear lever so that the respective bevels of the second ends of the sear link and sear lever are moved out of contact with one another so as to be spaced apart to allow for movement of one or more firearm cartridges up therebetween for loading in the receiver and barrel of the firearm.  
     
     
         11 . A separating firearm sear according to  claim 1  wherein the trigger is a trigger assembly comprising: 
 a movable trigger mechanism including: 
 a trigger button, and  
 an elongated trigger member, the trigger button being connected to and adapted to move the elongated trigger member in a substantially translational manner;  
   whereby the elongated trigger member is adapted to be attached to the sear link for movement thereof in the activation of the sear lever and ultimately also the firearm hammer and firing pin combination.    
     
     
         12 . A separating firearm sear according to  claim 11  wherein the trigger assembly has a trigger frame in which the movable trigger mechanism is disposed and in which the movable trigger mechanism is translationally movable, and wherein the trigger frame has an elongated opening formed therein to provide for translational movement of the sear link therein.  
     
     
         13 . A separating firearm sear according to  claim 11  wherein the trigger assembly has a guide member connected to the elongated trigger member, and wherein the guide member has a second portion of the elongated trigger member connected thereto, and wherein the sear link is attached to the second portion of the elongated trigger member and is movable therewith.  
     
     
         14 . A separating firearm sear according to  claim 11  wherein the trigger assembly has a spring follower connected to the elongated trigger member, and wherein the trigger assembly has a spring disposed in operative relationship with the spring follower to bias the movable trigger mechanism translationally toward an at-rest, non-triggering position, thereby biasing the sear link toward an at-rest, non-lever-rotating position.  
     
     
         15 . A separating firearm sear according to  claim 1  wherein the firearm further comprises a fire control assembly, the fire control assembly comprising: 
 a fire control depression member; and    a fire control rod connected to the depression member;    whereby the fire control assembly is positioned in a forward disposition on the firearm; and    whereby the fire control depression member is operably depressible to maneuver the fire control rod to a fire control position to thereby provide firing control of the firing of the firearm; whereby the firing control alternately disallows and allows for movement of the trigger and thereby also of the sear link.    
     
     
         16 . A separating firearm sear according to  claim 15  wherein the fire control assembly is one or both of a safety assembly and an action release assembly and wherein the fire control depression member is one or both of a safety depression member and an action release depression member, and wherein the fire control rod is one or both of a safety rod and an action release rod.  
     
     
         17 . A separating firearm sear according to  claim 1  wherein the one or more firing mechanisms further include one or more of the following: a bolt, a breech closure device, a connected hammer and firing pin structure, a separate firing pin, a separate hammer, a hammer spring, a hammer cocking bar, a hammer transfer link, a connected hammer and hammer transfer link, a rotatable sear lever, a breech closure spring, a breech bolt spring, a member of a sear assembly and a trigger member of a trigger assembly or any combination thereof.  
     
     
         18 . A separating firearm sear according to  claim 1  wherein the firearm trigger and the sear link attached thereto are disposed within the forwardly movable assembly, the forwardly movable assembly further comprising: 
 a movable hand support structure to which one or both of the firearm barrel and receiver are connected, the firearm barrel, receiver, trigger and sear link being movable therewith, the movable hand support structure being adapted to be gripped by an operator of the firearm;    whereby the trigger and sear link are operably disposed shrouded within the movable hand support structure of the forwardly movable assembly;    whereby the forwardly movable assembly is adapted to be moved forward by an operator upon gripping the movable hand support structure and manually maneuvering the hand support structure forwardly, the firearm barrel, receiver, trigger and sear link moving therewith; and,    whereby as the forwardly movable assembly is moved forwardly, the stationary assembly including at least one of the firing mechanisms is held substantially stationary relative thereto.    
     
     
         19 . A separating firearm sear according to  claim 18  wherein the firing mechanisms further include one or more of the following: a bolt, a breech closure device, a connected hammer and firing pin structure, a separate firing pin, a separate hammer, a hammer spring, a hammer cocking bar, a hammer transfer link, a connected hammer and hammer transfer link, a rotatable sear lever, a breech closure spring, a breech bolt spring, a member of a sear assembly and a trigger member of a trigger assembly or any combination thereof.  
     
     
         20 . A separating firearm sear according to  claim 1  wherein the separating sear is disposed operably supported by a firearm frame, the firearm frame comprising: 
 at least one elongated support structure discrete from the barrel and receiver, the elongated support structure adapted to support one or both of the firearm barrel and receiver with the trigger and the sear link in an operative relationship therewith; and    a firing mechanism support structure connected to the at least one elongated support structure, the firing mechanism support structure being adapted to have the at least the sear lever attached thereto;    whereby the firearm frame supports the forwardly movable assembly and the stationary assembly in operative relationship each with the other; and,    whereby the trigger and sear link are supported in a forward disposition by the elongated support structure, and the sear lever is supported in a rearward disposition by the firing mechanism support structure, yet the sear link and sear lever are operably disposed in juxtaposition with each other.    
     
     
         21 . A firearm having connected in operative relationships with each other a forwardly movable assembly including a barrel, a receiver, a forestock and a trigger assembly; and a substantially stationary assembly including one or more firing mechanisms including a sear assembly and a combination of a firing pin and a firearm hammer; 
 whereby the trigger assembly is disposed at least partly shrouded within the forestock of the forwardly movable assembly and is adapted to be operably engaged by the user's forwardly-placed support hand when the support hand is in a substantially conventional forwardly-placed support hand position gripping the forestock of the firearm, the trigger assembly including a translationally-movable trigger mechanism adapted to move in a substantially translational and longitudinal manner within the forestock;    whereby the trigger assembly is operably disposed and adapted to provide an initiating movement deliverable to the sear assembly which provides initiation of movement to the combination of the hammer and firing pin to fire the firearm, the hammer having a sear engaging surface;    the sear assembly comprising:    a rotatable sear lever having first and second lever ends, the first lever end having a sear hook which is adapted to engage a sear engaging surface of the firearm hammer, the second lever end formed as a lever bevel; whereby the rotatable sear lever is connected to and is a part of the stationary assembly, and is disposed in non-translational yet rotatable operative relationship with the hammer firing pin combination and the trigger assembly; and    a translational sear link having first and second link ends, the first link end being connected to the trigger mechanism, and the second link end formed as a link bevel counter posed to the lever bevel on the sear lever; whereby the translational sear link forms a part of the movable assembly and is movable translationally and longitudinally therewith;    whereby the respective link and lever bevels on the second ends of the sear link and the sear lever are adapted to contact each other upon translational movement of the trigger mechanism and sear link toward the sear lever such that upon continued post-contact translational movement of the trigger mechanism and sear link toward the sear lever, the sear lever is caused to rotate; and    whereby the sear link and sear lever are adapted to separate during forward translational movement of the forwardly movable assembly.    
     
     
         22 . A method of triggering a firearm comprising: 
 providing a trigger assembly and a separating sear assembly in a firearm having a forwardly movable assembly and a stationary assembly disposed in operative relationship with each other, wherein: 
 the trigger assembly is disposed in the forwardly movable assembly and includes a movable trigger mechanism having a trigger button, and an elongated trigger member, the trigger button being connected to and adapted to move the elongated trigger member in a substantially translational manner; whereby the elongated trigger member is adapted to engage the separating sear assembly for the activation of a combination of a firearm hammer and firing pin of a firearm; and wherein  
 the separating sear assembly includes: 
 a sear link attached to the movable trigger mechanism in the forwardly movable assembly, the sear link having first and second ends, the first end affixed to the elongated trigger member, and the second end formed as a bevel; and  
 a sear lever attached to the stationary assembly, the sear lever having first and second ends, the first end having a sear hook which is adapted to engage a sear engaging surface of a firearm hammer part of a combination of a firearm hammer and firing pin of a firearm, the second end formed as a bevel counter posed to the bevel on the sear link; whereby the sear lever is fixed in non-translational, rotatable operative relationship with the combination of the firearm hammer and firing pin and the elongated trigger member; and whereby the respective bevels on the second ends of the sear link and the sear lever are adapted to contact each other upon translational movement of the elongated trigger member and sear link toward the sear lever such that upon contact and continued movement of the sear link toward the sear lever past initial contact, the sear lever is caused to rotate; and,  
 
   moving the trigger mechanism in a substantially translational fashion;    engaging the separating sear assembly with the trigger mechanism;    moving the respective bevel on the second end of the sear link to and through contact with the respective bevel on the second end of the sear lever by moving the elongated trigger member and sear link in a translational manner toward the sear lever; and thereby,    rotating the sear lever by moving the respective bevel on the second end of the sear link through contact with the respective bevel on the second end of the sear lever by moving the elongated trigger member and sear link in a translational manner in the direction of the sear lever to thereby activate the combination of the firearm hammer and firing pin to thereby fire the firearm.    
     
     
         23 . A method of triggering a firearm according to  claim 22  wherein the forwardly movable assembly has a movable hand support structure to which at least one or a combination of the firearm barrel, the receiver, the trigger and the sear link are connected, the firearm barrel, receiver, trigger and sear link being movable therewith, the movable hand support structure being adapted to be gripped by an operator of the firearm; the method comprising: 
 gripping the forwardly movable assembly by gripping the movable hand structure;    disposing a triggering finger in triggering engagement with the trigger button of the trigger assembly; and    depressing the trigger button to fire the firearm using the triggering finger on the trigger button; whereby depressing the trigger button moves trigger mechanism and the sear link toward the sear lever which causes rotation thereof and consequent activation of the hammer and firing pin.    
     
     
         24 . A method of controlling the firing of a firearm according to  claim 23  further comprising 
 maneuvering the hand support structure forwardly, thereby also moving the forwardly movable assembly forward, the barrel, receiver, trigger and sear link also moving therewith, whereby as the forwardly movable assembly is moved forwardly, the stationary assembly including the firing mechanisms but for the trigger and the sear link are held substantially stationary relative thereto, wherein, a space is opened between the sear link and sear lever and a cartridge is loaded between the sear link and the sear lever ultimately to a position in operative relationship with the firearm barrel.    
     
     
         25 . A method of controlling the firing of a firearm according to  claim 24  further including: 
 maneuvering an action release assembly to unlock the hand support structure so that the hand support structure may be moved forwardly.    
     
     
         26 . A method of controlling the firing of a firearm according to  claim 24  further including: 
 maneuvering a safety assembly to unlock the trigger and thereby also the sear link so that the trigger may be depressed and the sear link moved to fire the firearm.