Patents Assigned to Springfield, Inc.
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Patent number: 10760861Abstract: Improvements to firearms that load cartridges from a magazine and/or a clip are disclosed. Specifically, improvements to slide assemblies and bolt assemblies to depress a cartridge in a magazine and/or a clip are provided. Such improvements include a sloped bottom-facing surface of the slide assembly and/or bolt assembly. The sloped bottom-facing surface is sloped along the length of the portion that contacts a cartridge in the magazine and/or clip when the slide assembly and/or bolt assembly reciprocates.Type: GrantFiled: January 21, 2019Date of Patent: September 1, 2020Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: 10712123Abstract: Handguard anchoring systems suitable for attaching a handguard to a firearm are disclosed, including systems having a fastener that extends into a barrel nut and compresses at least a portion of the handguard between the fastener and the barrel nut. Many embodiments include openings in the handguard and/or a plate that are oversized for the fastener such that the handguard may be rotated relative to the barrel nut when a portion of the fastener is positioned within the opening.Type: GrantFiled: July 22, 2019Date of Patent: July 14, 2020Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: 10401122Abstract: Handguard anchoring systems suitable for attaching a handguard to a firearm are disclosed, including systems having a fastener that extends into a barrel nut and compresses at least a portion of the handguard between the fastener and the barrel nut. Many embodiments include openings in the handguard and/or a plate that are oversized for the fastener such that the handguard may be rotated relative to the barrel nut when a portion of the fastener is positioned within the opening.Type: GrantFiled: June 8, 2018Date of Patent: September 3, 2019Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: 10330413Abstract: Trigger assemblies that preserve the integrity of the trigger sear surface when the trigger assembly enters a “half-cocked”, safety configuration are disclosed. In certain embodiments, a trigger safety engagement surface engages a hammer safety engagement surface in the safety configuration, preventing the hammer from rotating into contact with a firing pin. In some instances, the trigger sear surface is suspended within a safety recess (e.g., a notch) of the hammer and free of contact with the hammer when the trigger assembly is in the safety configuration.Type: GrantFiled: August 11, 2017Date of Patent: June 25, 2019Assignee: Springfield, Inc.Inventors: Charles David Williams, Thomas E. Long
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Patent number: 10222150Abstract: Charging handles having a mechanical advantage separator for separating an end of the charging handle from a portion of a firearm are disclosed. Specifically, charging handles having a simple machine, such as a lever, are disclosed. Advantageously, the simple machine can multiply the force applied by a user on the charging handle. Additionally, in at least some instances, the simple machine will actuate a charging handle latch so as to disengage the charging handle latch from a receiver of the firearm.Type: GrantFiled: March 6, 2018Date of Patent: March 5, 2019Assignee: Springfield, Inc.Inventor: S. Paul Reynolds
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Publication number: 20180266779Abstract: Charging handles having a mechanical advantage separator for separating an end of the charging handle from a portion of a firearm are disclosed. Specifically, charging handles having a simple machine, such as a lever, are disclosed. Advantageously, the simple machine can multiply the force applied by a user on the charging handle. Additionally, in at least some instances, the simple machine will actuate a charging handle latch so as to disengage the charging handle latch from a receiver of the firearm.Type: ApplicationFiled: March 6, 2018Publication date: September 20, 2018Applicant: Springfield, Inc.Inventor: S. Paul Reynolds
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Publication number: 20180045481Abstract: Trigger assemblies that preserve the integrity of the trigger sear surface when the trigger assembly enters a “half-cocked”, safety configuration are disclosed. In certain embodiments, a trigger safety engagement surface engages a hammer safety engagement surface in the safety configuration, preventing the hammer from rotating into contact with a firing pin. In some instances, the trigger sear surface is suspended within a safety recess (e.g., a notch) of the hammer and free of contact with the hammer when the trigger assembly is in the safety configuration.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Applicant: Springfield, Inc.Inventors: Charles David Williams, Thomas E. Long
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Patent number: 7832135Abstract: A firearm safety lock for an automatic pistol such as the Model 1911 firearm is disclosed. The safety lock includes a means of arresting the operation of the main trigger or hammer spring in the pistol grip of the firearm to prevent movement of the hammer, thereby locking the gun in a safe condition. A means and a method is disclosed for locking a pistol in a sale condition by arresting the movement of the hammer spring buffer through insertion of a locking shaft through the pistol grip housing which can be keyed to prevent unauthorized removal of the locking shaft. The disclosed invention may be used on newly manufactured firearms or provides a method to easily convert an existing firearm without permanent modification or damage to the firearm.Type: GrantFiled: January 14, 2008Date of Patent: November 16, 2010Assignee: Springfield, Inc.Inventor: Alfred W. Salvitti
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Patent number: 7571672Abstract: A method of modifying a .45 ACP pistol having a slide and a receiver defining a magazine well includes the steps of reducing the size of the magazine well and shortening the slide. The slide includes a breech face and a proximal end and the magazine well includes a front wall and spaced therefrom a rear wall. Reducing the size of the magazine well involves moving the rear wall closer to the front wall. Shortening the slide involves removing material from between the breech face and the proximal end. The shortening of the slide generally corresponds to the size reduction of the magazine well.Type: GrantFiled: January 31, 2008Date of Patent: August 11, 2009Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: 7340987Abstract: A method of modifying a .45 ACP pistol having a slide and a receiver defining a magazine well includes the steps of reducing the size of the magazine well and shortening the slide. The slide includes a breech face and a proximal end and the magazine well includes a front wall and spaced therefrom a rear wall. Reducing the size of the magazine well involves moving the rear wall closer to the front wall. Shortening the slide involves removing material from between the breech face and the proximal end. The shortening of the slide generally corresponds to the size reduction of the magazine well.Type: GrantFiled: October 17, 2005Date of Patent: March 11, 2008Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: 6691445Abstract: A mechanism for disabling a firearm is provided. The disablement mechanism includes a body positionable to block movement of the hammer spring assembly in order to prevent the hammer from being moved to its cocked position.Type: GrantFiled: January 11, 2001Date of Patent: February 17, 2004Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: 6269576Abstract: A mechanism for disabling a firearm is provided. The disablement mechanism includes a body positionable to contact a portion of the hammer spring assembly in order to prevent the hammer from being moved to its cocked position. The disablement mechanism is also positionable to prevent the hammer from firing a cartridge when the hammer is released from its cocked position.Type: GrantFiled: August 9, 1999Date of Patent: August 7, 2001Assignee: Springfield, Inc.Inventor: Charles David Williams
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Patent number: D397704Type: GrantFiled: July 3, 1997Date of Patent: September 1, 1998Assignee: Springfield, Inc.Inventor: Dennis J. Reese
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Patent number: D403686Type: GrantFiled: October 28, 1997Date of Patent: January 5, 1999Assignee: Springfield, Inc.Inventor: Dennis J. Reese
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Patent number: D862629Type: GrantFiled: November 15, 2017Date of Patent: October 8, 2019Assignee: Springfield, Inc.Inventor: Jason Drake Chambless
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Patent number: D865897Type: GrantFiled: January 22, 2018Date of Patent: November 5, 2019Assignee: Springfield, Inc.Inventors: Dennis J. Reese, Charles David Williams, Christopher Martin Baumbach, Nick Ballard
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Patent number: D875870Type: GrantFiled: November 15, 2017Date of Patent: February 18, 2020Assignee: Springfield, Inc.Inventors: Christopher Martin Baumbach, Charles David Williams