US2021048267A1PendingUtilityA1

Ambidextrous firearm bolt

40
Individually held — no corporate assignee on recordPriority: Jan 23, 2018Filed: Jan 23, 2019Published: Feb 18, 2021
Est. expiryJan 23, 2038(~11.5 yrs left)· nominal 20-yr term from priority
Inventors:Brian F. Abbott
F41A 3/16F41A 35/06F41A 15/14F41A 3/26
40
PatentIndex Score
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Cited by
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References
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Claims

Abstract

An ambidextrous firearm bolt (10) may be configured to eject from the left or right side of a firearm. The firearm bolt (10) features a firing pin (140) residing within a bolt body (120) in turn residing within a bolt carrier (110). The bolt body (120) may be inserted on either side of the bolt carrier (110) and features a selector pin (126) designed to interact with slots (112, 114) on either side of the bolt carrier (110), thereby selectively imparting a twist with respect to the firearm itself, allowing the ambidextrous ejection. A spring-loaded extractor latch (134) residing in a bolt lug (130) secures ammunition for extraction.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A firearm bolt comprising:
 a bolt carrier with two open sides;   a bolt body insertable in either side of the bolt carrier, said bolt body further having a head to interface with a firearm cartridge;   a firing pin residing within the bolt body, capable of extending through the head of the bolt body;   wherein insertion of the bolt body selectively into either side of the bolt carrier facilitates selection of a direction of ejection of a spent firearm cartridge.   
     
     
         2 . The firearm bolt of  claim 1 , further comprising two opposed helical slots on a dorsal side of the bolt carrier and a selector pin selectively residing in a neck of the bolt body which will interface with one of the opposed helical slots and impart a twist on motion of the bolt body relative the bolt carrier. 
     
     
         3 . The firearm bolt of  claim 2 , the head of the bolt body having a bulbous nature and further comprising a plurality of lugs about a rim, at least one lug holding a retraction latch. 
     
     
         4 . The firearm bolt of  claim 3 , said retraction latch being spring-biased. 
     
     
         5 . The firearm bolt of  claim 2 , the bulbous nature of the bolt head preventing the bolt body from being able to pass through the bolt carrier. 
     
     
         6 . The firearm bolt of  claim 2 , the head of the bolt body further comprising a plurality of lugs about a rim, at least one lug holding a retraction latch. 
     
     
         7 . The firearm bolt of  claim 6 , said retraction latch being spring-biased. 
     
     
         8 . The firearm bolt of  claim 2 , the neck of the bolt body presenting at least two alternate holes in which the selector pin may be placed. 
     
     
         9 . The firearm bolt of  claim 8 , the head of the bolt body having a bulbous nature and further comprising a plurality of lugs about a rim, at least one lug holding a retraction latch. 
     
     
         10 . The firearm bolt of  claim 9 , said retraction latch being spring-biased. 
     
     
         11 . The firearm bolt of  claim 8 , the bulbous nature of the bolt head preventing the bolt body from being able to pass through the bolt carrier. 
     
     
         12 . The firearm bolt of  claim 8 , the head of the bolt body further comprising a plurality of lugs about a rim, at least one lug holding a retraction latch. 
     
     
         13 . The firearm bolt of  claim 12 , said retraction latch being spring-biased.

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