IP Library Granted Patent US 8,051,595
Granted Patent B2
US 8,051,595 · App. 11/352,036 · Granted Nov 8, 2011

Automatic or semi-automatic rifle

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Quick Facts
Patent No.
US 8,051,595
App. No.
11/352,036
Granted
Nov 8, 2011
Kind
B2
Abstract

A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable hand guard to the receiver. The attachment is arranged for allowing detachment and removal of the removable hand guard from the receiver without removal of fasteners.

Claims (27)

1. An automatic or semi-automatic rifle comprising:

a receiver having a receiver frame of unitary construction with an integral hand guard section;

a barrel removably connected to the receiver frame, the integral hand guard section extending over and generally surrounding the barrel;

a removable hand guard section removably connected to the receiver, the removable hand guard section having a lock locking the removable hand guard section to the receiver frame, the lock having a movable latching member movable between an engaged and disengaged positions, wherein movement of the latching member to the engaged position substantially simultaneously locks and stably holds the removable hand guard section to the receiver, and upon movement of the latching member to the disengaged position the removable hand guard section is unlocked and movable relative to the receiver frame, and wherein the lock is arranged so that movement of the locking member between engaged and disengaged positions is effected by no more than a single user action of pushing the latch up;

the removable hand guard section having a removable accessory device mounting rail, the removable hand guard section mateable with the integral hand guard section of the receiver; and

the lock comprising a quick release lock mounted to at least one of the removable mounting rail or the receiver for locking the removable mounting rail to the receiver;

wherein when in the engaged position the latching member locks the removable mounting rail in an installed position to the receiver, and when the latching member is in the disengaged position, the mounting rail is unlocked and freely movable relative to the receiver, and wherein the latching member has a cam surface thereon cooperating with the receiver for camming the latching member.

2. An automatic or semi-automatic rifle comprising:

a receiver having a receiver frame of unitary construction with an integral hand guard section;

a barrel removably connected to the receiver frame, wherein the integral hand guard section extends over and generally surrounds the barrel; and

a removable hand guard section removably connected to the receiver, the removable hand guard section having a lock locking the removable hand guard section to the receiver frame, the lock having a movable latching member movable between an engaged and disengaged positions, wherein movement of the latching member to the engaged position substantially simultaneously locks and stably holds the removable hand guard section to the receiver, and upon movement of the latching member to the disengaged position the removable hand guard section is unlocked and movable relative to the receiver frame, and wherein the lock is arranged so that movement of the latching member between engaged and disengaged positions is effected by no more than a single user action of pushing the latch up;

wherein the receiver frame and the removable hand guard section have interlocking guides and guideways guiding sliding movement of the removable hand guard section relative to the receiver to an installed position, and wherein the latching member moves automatically to the engaged position when the removable hand guard section is moved into the installed position, and wherein the latching member has a cam surface that engages a cooperating surface on the receiver to cam the latching member away from the engaged position when the removable hand guard section is moved toward the installed position.

3. An automatic or semi-automatic rifle comprising:

a receiver having a receiver frame of unitary construction with an integral hand guard section;

a barrel removably connected to the receiver frame, wherein the integral hand guard section extends over and generally surrounds the barrel; and

a removable hand guard section removably connected to the receiver, the removable hand guard section having a lock locking the removable hand guard section to the receiver frame, the lock having a movable latching member movable between an engaged and disengaged positions, wherein movement of the latching member to the engaged position substantially simultaneously locks and stably holds the removable hand guard section to the receiver, and upon movement of the latching member to the disengaged position the removable hand guard section is unlocked and movable relative to the receiver frame, and wherein the lock is arranged so that movement of the latching member between engaged and disengaged positions is effected by no more than a single user action of pushing the latch up;

wherein the lock is located at a rear end of the removable hand guard section.

4. An automatic or semi-automatic rifle comprising:

a receiver having a receiver frame of unitary construction with an integral hand guard section;

a barrel removably connected to the receiver frame, wherein the integral hand guard section extends over and generally surrounds the barrel; and

a removable hand guard section removably connected to the receiver, the removable hand guard section having a lock locking the removable hand guard section to the receiver frame, the lock having a movable latching member movable between an engaged and disengaged positions, wherein movement of the latching member to the engaged position substantially simultaneously locks and stably holds the removable hand guard section to the receiver, and upon movement of the latching member to the disengaged position the removable hand guard section is unlocked and movable relative to the receiver frame, and wherein the lock is arranged so that movement of the latching member between engaged and disengaged positions is effected by no more than a single user action of pushing the latch up;

wherein the latching member is a pin movably mounted in the removable hand guard section and having a protruding portion, protruding in a first direction from the removable hand guard section, that engages with the receiver frame, and wherein the pin is moved to the engaged position in a second direction angled relative to the first direction.

5. An automatic or semi-automatic rifle comprising:

a receiver having a receiver frame of unitary construction with an integral hand guard section;

a barrel removably connected to the receiver frame, wherein the integral hand guard section extends over and generally surrounds the barrel; and

a removable hand guard section removably connected to the receiver, the removable hand guard section having a lock locking the removable hand guard section to the receiver frame, the lock having a movable latching member movable between an engaged and disengaged positions, wherein movement of the latching member to the engaged position substantially simultaneously locks and stably holds the removable hand guard section to the receiver, and upon movement of the latching member to the disengaged position the removable hand guard section is unlocked and movable relative to the receiver frame, and wherein the lock is arranged so that movement of the latching member between engaged and disengaged positions is effected by no more than a single user action of pushing the latch up;

wherein the lock comprises a wedge adapted to be positioned against the receiver for wedging the removable hand guard section against the receiver, and wherein the latching member is a pin that extends between the wedge and removable hand guard section when the latching member is in the engaged position.

Assignments (25)
MERGER AND CHANGE OF NAME Recorded Oct 8, 2025
From: COLT'S MANUFACTURING COMPANY LLC; COLT'S MANUFACTURING IP HOLDING COMPANY LLC
To: COLT'S MANUFACTURING COMPANY LLC
Reel/Frame 073052/0024 →
RELEASE OF SECURITY INTEREST Recorded May 21, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
Reel/Frame 056324/0810 →
RELEASE OF SECURITY INTEREST Recorded May 21, 2021
From: CANTOR FITZGERALD SECURITIES
To: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
Reel/Frame 056324/0923 →
RELEASE OF SECURITY INTEREST Recorded May 21, 2021
From: CANTOR FITZGERALD SECURITIES
To: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
Reel/Frame 056325/0040 →
RELEASE OF SECURITY INTEREST Recorded May 21, 2021
From: WILMINGTON SAVINGS FUND SOCIETY, FSB
To: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
Reel/Frame 056325/0001 →
SECURITY INTEREST Recorded Jan 14, 2016
From: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
To: CANTOR FITZGERALD SECURITIES
Reel/Frame 037528/0656 →
SECURITY INTEREST Recorded Jan 14, 2016
From: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 037529/0811 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 13, 2016
From: COLT'S MANUFACTURING COMPANY LLC; COLT DEFENSE LLC; COLT DEFENSE TECHNICAL SERVICES LLC; NEW COLT HOLDING CORP.; COLT FINANCE CORP.; COLT INTERNATIONAL COOPERATIEF U.A.; COLT HOLDING COMPANY LLC; COLT SECURITY LLC; CDH II HOLDCO INC.
To: COLT'S MANUFACTURING IP HOLDING COMPANY LLC
Reel/Frame 037513/0282 →
PATENT SECURITY AGREEMENT Recorded Jan 13, 2016
From: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION; COLT'S MANUFACTURING IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 037508/0909 →
RELEASE OF SECURITY INTEREST Recorded Jan 13, 2016
From: WILMINGTON SAVINGS FUND SOCIETY, FSB
To: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORPORATION
Reel/Frame 037512/0774 →
RELEASE OF SECURITY INTEREST Recorded Jan 13, 2016
From: CORTLAND CAPITAL MARKET SERVICES LLC
To: COLT 'S MANUFACTURING COMPANY LLC; COLT CANADA CORPORATION; COLT DEFENSE LLC
Reel/Frame 037513/0572 →
SECURITY INTEREST Recorded Jan 13, 2016
From: COLT 'S MANUFACTURING COMPANY LLC; COLT CANADA CORPORATION; NEW COLT HOLDING CORP.; COLT 'S MANUFACTURING COM IP HOLDING COMPANY LLC; COLT CANADA IP HOLDING PARTNERSHIP
To: CANTOR FITZGERALD SECURITIES
Reel/Frame 037513/0625 →
RELEASE OF SECURITY INTEREST Recorded Feb 13, 2015
From: WELLS FARGO CAPITAL FINANCE, LLC
To: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT DEFENSE LLC
Reel/Frame 034993/0428 →
SECURITY INTEREST Recorded Feb 13, 2015
From: COLT'S MANUFACTURING COMPANY LLC; COLT CANADA CORPORATION; COLT DEFENSE LLC
To: CORTLAND CAPITAL MARKET SERVICES LLC
Reel/Frame 034994/0480 →
SECURITY INTEREST Recorded Nov 19, 2014
From: COLT'S MANUFACTURING COMPANY LLC; NEW COLT HOLDING CORP.; COLT CANADA CORP.
To: WILMINGTON SAVINGS FUND SOCIETY, FSB
Reel/Frame 034298/0807 →
RELEASE OF PATENT SECURITY INTEREST (REEL: 30783/ FRAME: 0537) Recorded Nov 19, 2014
From: CORTLAND CAPITAL MARKET SERVICES LLC, AS AGENT
To: COLT DEFENSE LLC, AS GRANTOR; COLT?S MANUFACTURING COMPANY LLC, A DELAWARE LIMITED LIABILITY COMPANY, AS GRANTOR; NEW COLT HOLDING CORPORATION, A DELAWARE CORPORATION, AS GRANTOR; COLT CANADA CORPORATION, A CANADIAN CORPORATION, AS GRANTOR
Reel/Frame 034369/0596 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2014
From: COLT DEFENSE LLC
To: COLT'S MANUFACTURING COMPANY LLC
Reel/Frame 033007/0587 →
PATENT SECURITY AGREEMENT Recorded Jul 12, 2013
From: COLT DEFENSE LLC; NEW COLT HOLDING CORP.; COLT'S MANUFACTURING COMPANY LLC; COLT CANADA CORPORATION
To: CORTLAND CAPITAL MARKET SERVICES LLC, AS AGENT
Reel/Frame 030783/0537 →
RELEASE OF PATENT PROPERTY SECURITY INTEREST Recorded Sep 29, 2011
From: JPMORGAN CHASE BANK, N.A.
To: COLT DEFENSE LLC
Reel/Frame 026999/0921 →
SECURITY INTEREST Recorded Sep 29, 2011
From: COLT DEFENSE LLC
To: WELLS FARGO CAPITAL FINANCE, LLC
Reel/Frame 027000/0727 →
SECURITY AGREEMENT Recorded Nov 25, 2009
From: COLT DEFENSE LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 023574/0278 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded Nov 16, 2009
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: COLT DEFENSE LLC
Reel/Frame 023519/0160 →
NOTICE OF GRANT OF SECURITY INTEREST Recorded Aug 14, 2007
From: COLT DEFENSE LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 019690/0016 →
NOTICE OF GRANT OF SECURITY INTEREST Recorded Oct 17, 2006
From: COLT DEFENSE LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 018398/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2006
From: HOCHSTRATE, PAUL; ROBBINS, LAURANCE; DAIGLE, ARTHER F.
To: COLT DEFENSE, LLC
Reel/Frame 018060/0973 →