US008307750B2 (l2) Ulllted States Patent (10) Patent N0.: US 8,307,750 B2 Vuksanovich et a]. (45) Date of Patent: Nov. 13, 2012 (54) GAS OPERATED RIFLE WITH BOLT 2 ISullivanl , , nto et a . CARRIER AND RECEIVER ASSEMBLY 3,246,567 A 4/1966 Miller _ _ 3,318,192 A 5/1967 Miller et a1. (75) Inventors: Brian Vuksanovlch, Poland, OH (U S); 3,618,457 A 11/1971 Miller Todd Wilkinson, Goshen, NH (US) 4,095,654 A 6/1978 Ross 4,125,054 A 11/1978 Jennie (73) Assignee: Sturm, Ruger & Company, Inc, 4,201,113 A 5/1980 Seecamp southport CT (Us) 4,373,423 A 2/1983 Moore ’ 4,414,880 A 11/1983 Throner . . . . _ 4,433,610 A 2/1984 Tatro ( * ) Not1ce: Subject to any dlsclalmer, the term of this 4,475,438 A 10/1934 Sullivan patent is extended or adjusted under 35 4,658,702 A 4/1987 Tatro U.S.C. 154(b) by 179 days. (Continued) (21) Appl. No.: 12/778,435 FOREIGN PATENT DOCUMENTS (22) Filed: May 12, 2010 WC WO2006/137874 A2 12/2006 OTHER PUBLICATIONS (65) Pm" Pubhcatlo“ Data US. Appl. No. 12/409,783, ?led Mar. 24, 2009 speci?cation, claims, US 2010/0269682 A1 Oct. 28, 2010 abstract, and drawings, 52 pages. Related US. Application Data (Continued) (63) Continuation-in-part of application No. 12/409,839, Primary ExamineriMichael David ?led on Mar- 24, 2009, now Pat- No- 8,161,864' (74) Attorney, Agent, orFirm i Duane Morris LLP; Frank J. (60) Provisional application No. 61/ 178,213, ?led on May Spamtz 14’ 2009' (57) ABSTRACT (51) Int. Cl. A gas operated autoloading ?rearm having an improved bolt F 41A 5/26 (2006.01) carrier. The gas piston system may include a barrel de?ning a (52) US. Cl. ................... .. 89/191.01; 89/ 1 91 .02; 89/192 longitudinally-extending bullet pathway, a gas block de?ning (58) Field of Classi?cation Search ............... .. 42/6902, a piston bore, a passageway ?uidly Connecting the bare with 42/6903; 89/191,013 19102’ 192, 193, 194 the bullet pathWay for diverting combustion gas to the bore See application ?le for complete search history. upon discharging the ?rearm, and a Piston slidably disposed in the bore for reciprocating movement. The piston actuates a (56) References Cited reciprocating bolt assembly including a bolt carrier slidably U.S. PATENT DOCUMENTS 2,783,685 A 3/1957 Green 2,951,424 A 9/1960 Stoner 3,020,807 A 2/1962 Hailston et al. received in a receiver. The bolt carrier includes supporting and guiding surfaces con?gured to reduce receiver Wear and bolt carrier drag. 16 Claims, 25 Drawing Sheets es\ 270 l \112 80 l 04 84
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US008307750B2
(l2) Ulllted States Patent (10) Patent N0.: US 8,307,750 B2 Vuksanovich et a]. (45) Date of Patent: Nov. 13, 2012
(54) GAS OPERATED RIFLE WITH BOLT 2 ISullivanl , , nto et a .
CARRIER AND RECEIVER ASSEMBLY 3,246,567 A 4/1966 Miller
_ _ 3,318,192 A 5/1967 Miller et a1. (75) Inventors: Brian Vuksanovlch, Poland, OH (U S); 3,618,457 A 11/1971 Miller
Todd Wilkinson, Goshen, NH (US) 4,095,654 A 6/1978 Ross 4,125,054 A 11/1978 Jennie
(73) Assignee: Sturm, Ruger & Company, Inc, 4,201,113 A 5/1980 Seecamp southport CT (Us) 4,373,423 A 2/1983 Moore
’ 4,414,880 A 11/1983 Throner . . . . _ 4,433,610 A 2/1984 Tatro
( * ) Not1ce: Subject to any dlsclalmer, the term of this 4,475,438 A 10/1934 Sullivan patent is extended or adjusted under 35 4,658,702 A 4/1987 Tatro U.S.C. 154(b) by 179 days. (Continued)
(21) Appl. No.: 12/778,435 FOREIGN PATENT DOCUMENTS
(22) Filed: May 12, 2010 WC WO2006/137874 A2 12/2006 OTHER PUBLICATIONS
(65) Pm" Pubhcatlo“ Data US. Appl. No. 12/409,783, ?led Mar. 24, 2009 speci?cation, claims, US 2010/0269682 A1 Oct. 28, 2010 abstract, and drawings, 52 pages.
Related US. Application Data (Continued)
(63) Continuation-in-part of application No. 12/409,839, Primary ExamineriMichael David ?led on Mar- 24, 2009, now Pat- No- 8,161,864' (74) Attorney, Agent, orFirm i Duane Morris LLP; Frank J.
(60) Provisional application No. 61/ 178,213, ?led on May Spamtz
14’ 2009' (57) ABSTRACT
(51) Int. Cl. A gas operated autoloading ?rearm having an improved bolt F 41A 5/26 (2006.01) carrier. The gas piston system may include a barrel de?ning a
(52) US. Cl. ................... .. 89/191.01; 89/ 1 91 .02; 89/192 longitudinally-extending bullet pathway, a gas block de?ning (58) Field of Classi?cation Search ............... .. 42/6902, a piston bore, a passageway ?uidly Connecting the bare with
42/6903; 89/191,013 19102’ 192, 193, 194 the bullet pathWay for diverting combustion gas to the bore See application ?le for complete search history. upon discharging the ?rearm, and a Piston slidably disposed
in the bore for reciprocating movement. The piston actuates a (56) References Cited reciprocating bolt assembly including a bolt carrier slidably
U.S. PATENT DOCUMENTS
2,783,685 A 3/1957 Green 2,951,424 A 9/1960 Stoner 3,020,807 A 2/1962 Hailston et al.
received in a receiver. The bolt carrier includes supporting and guiding surfaces con?gured to reduce receiver Wear and bolt carrier drag.
16 Claims, 25 Drawing Sheets
es\
270
l \112
80 l 04 84
US 8,307,750 B2 Page 2
4,702,146 4,756,228 4,765,224 4,867,039 4,977,815 5,123,194 5,247,758 5,279,200 5,305,539 5,351,598 5,388,500 5,404,790 5,429,034 5,520,019 5,682,007 5,698,810 5,726,377 5,760,328 5,824,943 5,834,678 5,886,281 5,909,002 5,959,234 6,508,160 6,526,686 6,606,934 6,681,677 6,722,255 6,848,351 6,931,978 6,941,938 7,059,235 7,213,498 7,461,581 7,779,743 8,056,460 8,087,194 8,109,193 8,161,864 8,166,864
2002/0139241 2005/0011345 2005/0081707 2005/0115398 2005/0241470 2006/0065112 2006/0236582 2006/0254414 2006/0266209 2007/0033851 2008/0276797 2010/0101405 2010/0199836 2011/0023700 2011/0030260 2012/0017483
U.S. PATENT DOCUMENTS
A 10/1987 A 7/1988 A 8/1988 A 9/1989 A 12/1990 A 6/1992 A 9/1993 A 1/1994 A 4/1994 A 10/1994 A 2/1995 A 4/1995 A 7/1995 A 5/1996 A 10/1997 A 12/1997 A 3/1998 A 6/1998 A 10/1998 A 11/1998 A 3/1999 A 6/1999 A 9/1999 B2 1/2003 B1 3/2003 B1 8/2003 B2 1/2004 B2 4/2004 B1 2/2005 B1 8/2005 B2 * 9/2005 B2 6/2006 B1 5/2007 B2 12/2008 B2 * 8/2010 B2 * 11/2011 B1 * 1/2012 B2 * 2/2012 B1 * 4/2012 B2 * 5/2012 A1 10/2002 A1 1/2005 A1 4/2005 A1 6/2005 A1 11/2005 A1 3/2006 A1 10/2006 A1 11/2006 A1 11/2006 A1 2/2007 A1* 11/2008 A1* 4/2010 A1* 8/2010 A1* 2/2011 A1* 2/2011 A1* 1/2012
Ikeda et al. Rath Morris Dobbins Stephens Mason Mason Rose Von Kuster SchuetZ Petrovich Averbukh Badali et al. SchuetZ Dobbins Rose Harris et al. Robbins Guhring et al. Kalb Kirstein Atchisson Scaramucci et al. Beretta Poff, Jr. et al. Rock et al. Herring Herring Davies Dionne D’Arcy et al. ................ .. 124/76
Hanslick et al. Davies Leitner-Wise Herring ......................... .. 89/193
Herring ..... .. 89/1.4
Vuksanovich 42/75 .02 Herring ........ .. 89/193
Vuksanovich . 89/191.01
Herring .. 89/191.02 Butler Herring Herring Olson Hochstrate et al. KucZynko et al. Lewis et al. KucZynko et al. Grabowski Hochstrate et al. Leitner-Wise ........... .. 89/191.01
Adams ...... .. . 89/191.01
Herring ......................... .. 89/ 193
Herring ......................... .. 89/ 193
Herring . . . . . . . . . . .. 42/16
Vuksanovich ............. .. 42/75.02
2012/0079935 A1* 4/2012 Herring ......................... .. 89/193 2012/0131834 A1* 5/2012 Barrett et al. 42/75.02 2012/0131835 A1* 5/2012 Barrett et al. 42/75.02 2012/0180354 A1* 7/2012 Sullivan et al. ................. .. 42/16
OTHER PUBLICATIONS
Corresponding PCT/U S2010/ 027782 Search Report and Written Opinion May 17, 2010, 9 pages. Author Unknown, Modern Firearms-Steyr Stg. 77AUG assault ri?e, http://world.guns.ru/assault/as20-e, Mar. 20, 2008, 8 pages. Author Unknown, Steyr Aug, http://en.wikipedia.org/wiki/Steyri AUG, Mar. 19, 2008, 6 pages. Author Unknown, The Monolith: Quick-Change Barrel System for the M-16, http://www.military.com/soldiertech/ 0,14632,soldiertechiRailPlatform, Mar. 20, 2008, 8 pages. Author Unknown, The HK416, http://www.hkpro.com/hk416, Nov. 28, 2007, 13 pages. Author Unknown, Armalite Ar-18: The Windowmaker, http://www. weaponryonline.com/Reviews-req-showcontent-id-15, Apr. 3, 2008, 4 pages. Author Unknown, Armalite AR-18 assault ri?e, http://world.guns.ru/ assault/as36-e, Apr. 3, 2008, 6 pages. Author Unknown, AR-10, http://en.wikipedia.org/wiki/AR- 10, Mar. 19, 2008, 6 pages. Author Unknown, Heckler & Koch HK416, http://en.wikipedia.org/ wiki/Heckleri%26iKochiHK416, Mar. 19, 2008, 4 pages. Author Unknown, AR-15, http://en.wikipedia.org/wiki/AR-15, Mar. 19, 2008, 7 pages. Author Unknown, M16 Ri?e, http://en.wikipedia.org/wiki/M16f ri?e, Mar. 19, 2008, 22 pages. Author Unknown, Ultimax 100, http://en.wikipedia.org/wiki/ Ultimaxf100, Mar. 13, 2008, 4 pages. Author Unknown, STIQCIS Ultimax 100 light machine gun (Singapore), http://world.guns.ru/machine/mg20-e, Mar. 13, 2008, 3 pages. Author Unknown, M4 Carbine, http://en.wikipedia.org/wiki/M4i Carbine, Mar. 19, 2008, 8 pages. Author Unknown, Steyr Stg. 77 Aug assault ri?e (Austria), http:// world.guns.ru/assault/as20-e, Mar. 20, 2008, 8 pages. Singapore Technologies Kinetics, Ultimax 100iThe Lightest 5.56 mm Calibre Machine Gun in the World, 2 pages. David Crane, Ultimax 100 MK4: Best Choice for USMC Infantry Automatic Ri?e, http://www.defensereyiew.com/modules. php?name:News&?le:article&sid:853, Mar. 13, 2008, 4 pages. Nicholls Firearms & Ammo, Heckler & Koch HK416 Enhanced Carbine, 1 page. Author Unknown, STIQCIS Ultimax 100 Light Machine Gun (Singapore), http://modern?rearms.net/machine/mg20-e, Mar. 19, 2008, 4 pages. Corresponding PCT/U S2010/ 034506 Search Report and Written Opinion Jul. 15, 2010, 10 pages.
* cited by examiner
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