Bridged extractor spring for firearms

Details Bridged extractor spring for firearms Bridged extractor spring for firearms

2007-03-02

2009-12-08

Carone, Michael (Department: 3641)

Firearms

Breech loading

Upward-tilting breech

C042S025000, C089S185000

Reexamination Certificate

active

07627974

ABSTRACT:
New and unique improvements of prior known M4/M16 firearms are disclosed that comprise (A) a bolt which, in addition to all of the normal M4/M16 features is configured or reconfigured to accept a bridged extractor spring which straddles the firing pin and presses against the bottom of the extractor with the bridging wire, and (B) a bridged extractor spring which is a single part, wound with dual spaced helical coils connected with a bridge wire that maintains the spacing at the top of the spring. The bridge wire preferably crosses diagonally between and is tangent to both coils.

REFERENCES:
patent: 5911173 (1999-06-01), Westrom
patent: 5974716 (1999-11-01), Kidd
patent: 6044748 (2000-04-01), Westrom
patent: 6182389 (2001-02-01), Lewis
patent: 6609319 (2003-08-01), Olson
patent: 2008/0092733 (2008-04-01), Leitner-Wise et al.

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