Cam pin with roller for bolt carrier

Details Cam pin with roller for bolt carrier Cam pin with roller for bolt carrier

2011-04-26

2011-04-26

Chambers, Troy (Department: 3641)

Ordnance

Automatic

Breech block lock

C042S016000

Reexamination Certificate

active

07930968

ABSTRACT:
A bolt used in a self loading firearm employing a bolt carrier which in turn carries the bolt. The bolt includes a cam pin receptacle and a cam pin carried by the bolt. The cam pin includes a body having a received end and an exposed end. The received end is received in the cam pin receptacle with the exposed end extending outwardly from a surface of the bolt. A roller is rotatably coupled to the exposed end and rotatable around an axis of the body.

REFERENCES:
patent: 1912757 (1933-06-01), Brump
patent: 2570292 (1951-10-01), Umsted et al.
patent: 3071225 (1963-01-01), Blau et al.
patent: 3455204 (1969-07-01), Stoner
patent: 3724325 (1973-04-01), Silsby
patent: 5543787 (1996-08-01), Karidis et al.
patent: 7753679 (2010-07-01), Schuetz
patent: 7784211 (2010-08-01), Desomma
patent: 7827722 (2010-11-01), Davies
patent: 2005/0223613 (2005-10-01), Bender

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