Patents Assigned to 80 Percent Arms Inc.
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Patent number: 10875135Abstract: A machining tool assembly is provided for machining a blank to form a firearm lower receiver. The assembly includes a pair of side plates positionable on opposed sides of the blank to capture the blank therebetween. A template plate having a template aperture is adapted to be removeably attachable to the side plates. The template aperture is aligned with a top surface of the blank and is adapted for machining a cavity within the blank having a peripheral contour complimentary to a peripheral contour of the template aperture. A centering mechanism is adapted to be removeably attachable to the template plate, with the centering mechanism including an opening aligned with a corresponding void formed on the blank to align the blank with the template plate.Type: GrantFiled: August 29, 2018Date of Patent: December 29, 2020Assignee: 80 Percent Arms Inc.Inventor: Tilden Alan Smith
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Patent number: 10718578Abstract: An improved jig for manufacturing a firearm lower receiver is comprised of a power tool mount; an adapter; a guide plate with plate screws; a rear support with mounting screws; a front support; and at least one of a carriages with at least one locating pin. A guide plate is disposed below the top surface of a lower receiver in conjunction with an adapter. The jig is a universal fitment and includes a bearing to support a rotary tool and at least one guiding feature can be used to facilitate in the guidance of the rotary tool without placing the rotary tool in direct contact with any of the guidance features. A removable locating pin is situated a long the front and rear takedown pin holes of a firearm receiver that is not threaded and is provided with at least one of a pull, string or other handle.Type: GrantFiled: November 30, 2018Date of Patent: July 21, 2020Assignee: 80 Percent Arms, Inc.Inventor: Wayne R. Partington
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Patent number: 10456846Abstract: A rotary tool can be adapted for removing material from a workpiece such as a lower receiver. A rotary tool can have an adapter with a major diameter, and a cutter head with a minor diameter. The major diameter of the adapter can reduce deflection and chatter, while the minor diameter of the cutter head can be used to manufacture lower receivers with accuracy. The rotary tool can be adapted to be engaged with a rotary power tool.Type: GrantFiled: November 10, 2017Date of Patent: October 29, 2019Assignee: 80 Percent Arms Inc.Inventor: Wayne R. Partington
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Patent number: 10391591Abstract: A jig for machining portions a firearm lower receiver blank. The jig can include a side plate assembled with a top plate. The top plate can include an access aperture for machining the fire control group aperture within the blank. The side plate can include drill apertures for drilling out trigger, hammer, and selector holes. The jig can include an adjustable alignment mechanism for aligning a top surface of the blank with the top plate. The jig can include a hand drill stabilizer for attachment with the side plates.Type: GrantFiled: August 2, 2018Date of Patent: August 27, 2019Assignee: 80 Percent Arms Inc.Inventor: Tilden Alan Smith
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Patent number: 10099329Abstract: A machining tool assembly is provided for machining a blank to form a firearm lower receiver. The assembly includes a pair of side plates positionable on opposed sides of the blank to capture the blank therebetween. A template plate having a template aperture is adapted to be removeably attachable to the side plates. The template aperture is aligned with a top surface of the blank and is adapted for machining a cavity within the blank having a peripheral contour complimentary to a peripheral contour of the template aperture. A centering mechanism is adapted to be removeably attachable to the template plate, with the centering mechanism including an opening aligned with a corresponding void formed on the blank to align the blank with the template plate.Type: GrantFiled: April 17, 2018Date of Patent: October 16, 2018Assignee: 80 Percent Arms Inc.Inventor: Tilden Alan Smith
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Patent number: 9810517Abstract: A machining tool assembly for manufacturing a firearm lower receiver includes a first and second side jig which are configured to be disposed on opposite sides of the firearm lower receiver and configured to removably attach to one another securing the firearm lower receiver therebetween. A drill block jig is removably attachable to the first and second side jigs disposed above the top surface of the firearm lower receiver, wherein the drill block jig comprises a plurality of through holes. A template spacer jig is removably attachable to the first and second side jigs disposed above the top surface of the firearm lower receiver, wherein the template spacer jig comprises a spacer aperture disposed through a template spacer thickness. A first and second pocket templates are removably attachable and disposed onto the template spacer jig. A router support plate is disposed onto either the first or second pocket templates.Type: GrantFiled: March 19, 2015Date of Patent: November 7, 2017Assignee: 80 Percent Arms Inc.Inventors: Charles E. Chang, Wayne R. Partington, Tilden A. Smith, II, Jules Johannes de Neve
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Patent number: 9009986Abstract: A machining tool assembly for manufacturing a firearm lower receiver includes a first and second side jig which are configured to be disposed on opposite sides of the firearm lower receiver and configured to removably attach to one another securing the firearm lower receiver therebetween. A drill block jig is removably attachable to the first and second side jigs disposed above the top surface of the firearm lower receiver, wherein the drill block jig comprises a plurality of through holes. A template spacer jig is removably attachable to the first and second side jigs disposed above the top surface of the firearm lower receiver, wherein the template spacer jig comprises a spacer aperture disposed through a template spacer thickness. A first and second pocket templates are removably attachable and disposed onto the template spacer jig. A router support plate is disposed onto either the first or second pocket templates.Type: GrantFiled: November 6, 2014Date of Patent: April 21, 2015Assignee: 80 Percent Arms Inc.Inventors: Charles E. Chang, Wayne R. Partington, Tilden A. Smith, II, Jules Johannes de Neve
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Patent number: D841400Type: GrantFiled: September 15, 2016Date of Patent: February 26, 2019Assignee: 80 Percent Arms Inc.Inventors: Myk Lum, William Yeh, Kasin Chan
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Patent number: D847935Type: GrantFiled: June 1, 2018Date of Patent: May 7, 2019Assignee: 80 Percent Arms Inc.Inventor: Tilden Alan Smith
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Patent number: D879558Type: GrantFiled: February 4, 2019Date of Patent: March 31, 2020Assignee: 80 Percent Arms Inc.Inventors: Myk Lum, William Yeh, Kasin Chan