# US 10,767,963 B2 · Gun calibrator provided with inner red dot sight > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,963 B2 - Document ID: US10767963B2 - Status: Granted - Kind: B2 - Application number: 16/066,018 - Filed: 2016-12-04 - Published: 2019-01-10 - Granted: 2020-09-08 - Earliest claimed: 2015-12-23 - Assignees: Huanic Corporation; Jianhua Sun - Applicants: Huanic Corporation; Jianhua Sun - Inventors: Jianhua Sun; Yanpeng Song - Web page: https://patentgrep.com/patent/US10767963B2 ## CPC - F41G 1/545: {Tools for adjustment of sights} - F41G 1/54: Devices for testing or checking {; Tools for adjustment of sights} - F41G 3/323: {for checking the angle between the muzzle axis of the gun and a reference axis, e.g. the axis of the associated sighting device (testing alignment of axes in general G01B11/27)} - F41G 11/003: {Mountings with a dove tail element, e.g. "Picatinny rail systems"} - Y02E 60/10: Energy storage using batteries - F41G: WEAPON SIGHTS; AIMING (optical aspects thereof G02B) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A gun calibrator provided with an inner red dot sight includes a straight bar, a laser module displaced in the front end of the straight bar and is coaxial with the straight bar, and a battery cabin that is displaced in the front end of the straight bar, wherein the front end of the straight bar is provided with an inner red dot sight. ## Claims ### Claim 1 A gun calibrator with an inner red dot sight, comprising: a straight bar, a laser module that is displaced in the front end of the straight bar and is coaxial with the straight bar, and a battery cabin that is displaced in the front end of the straight bar, wherein the front end of the straight bar is provided with an inner red dot sight. ### Claim 2 (depends on 1) The gun calibrator with an inner red dot sight according to claim 1, wherein the inner red dot sight is displaced on a top end of the laser module. ### Claim 3 (depends on 2) The gun calibrator with an inner red dot sight according to claim 2, wherein the inner red dot sight is connected with the laser module by a Picatinny rail displaced on the top end of the laser module. ### Claim 4 (depends on 3) The gun calibrator with an inner red dot sight according to claim 3, wherein the inner red dot sight is connected with the top end of the laser module by a sight bracket, which is displaced in the bottom of the inner red dot sight and can be clamped by the Picatinny rail. ### Claim 5 (depends on 4) The gun calibrator with an inner red dot sight according to claim 4, wherein the laser module is displaced in the front end portion of the straight bar, and the Picatinny rail is displaced on the top end of the front end portion of the straight bar. ### Claim 6 (depends on 1) The gun calibrator with an inner red dot sight according to claim 1, wherein the rear end of the straight bar is a truncated cone with an increasing diameter toward the front end of the straight bar, on which an expansion sleeve that is coaxial with the straight bar is sleeved, and wherein an end of the expansion sleeve in which a longitudinal expansion gap is provided is sleeved on the straight bar, and at least one annular elastic member is sleeved on an outer wall of the other end of the expansion sleeve. ### Claim 7 (depends on 1) The gun calibrator with an inner red dot sight according to claim 1, wherein a sleeve that can be sleeved on the front end of the straight bar is displaced at the top surface of the battery cabin, and an inner hole of the sleeve is coaxial with the straight bar after installation. ### Claim 8 (depends on 7) The gun calibrator with an inner red dot sight according to claim 7, wherein the bottom surface of the battery cabin and the top surface of the sleeve are respectively provided with a Picatinny rail. ### Claim 9 (depends on 8) The gun calibrator with an inner red dot sight according to claim 8, wherein the top surface of the sleeve is connected with an inner red dot sight by the Picatinny rail. ### Claim 10 (depends on 7) The gun calibrator with an inner red dot sight according to claim 7, wherein a control circuit board is provided in an inner side of the front end portion of the battery cabin, and the front end portion is provided with a control button in communication with the control circuit board. ### Claim 11 (depends on 7) The gun calibrator with an inner red dot sight according to claim 7, wherein the top surface of the rear end of the battery cabin is provided with a through hole in communication with the rear end portion of the bottom surface of the sleeve, wherein the rear end portion of the bottom surface of the sleeve is provided with a negative electrode post and a positive electrode post having elastic property, which are displaced up and down. ### Claim 12 (depends on 11) The gun calibrator with an inner red dot sight according to claim 11, wherein the rear end of the straight bar that is in the central part near the battery cabin is provided with a conical protruding part with an increasing radius toward the battery cabin, and the front end surface of the conical protruding part is provided with an annular conductive plate that is sleeved on the straight bar, and the front side surface of the annular conductive plate is provided with an outer conductive ring and an inner conductive ring; wherein the annular conductive plate can be embedded in the rear end portion of the sleeve, such that the outer conductive ring and the inner conductive ring are respectively in communication with the positive electrode post and the negative electrode post with elasticity. ### Claim 13 (depends on 12) The gun calibrator with an inner red dot sight according to claim 12, wherein an outer circumferential edge and an inner circumferential edge of the annular conductive plate are respectively provided with an outer notch that facilitates bonding wire and an inner notch, and the outer notch and the inner notch are respectively connected with the outer conductive ring and the inner conductive ring. ### Claim 14 (depends on 12) The gun calibrator with an inner red dot sight according to claim 12, wherein a clamp that can be clamped on the front end portion of the straight bar is displaced at the connection of the battery cabin and the sleeve, and the clamp comprises: an inner thread connection sleeve displaced on one side of the connection, a connection screw across the connection, a movable clamping member displaced in a groove on the other side of the connection, and a cam wrench coupled to the end of the connection screw that penetrates the movable clamping member by a pin shaft; wherein the movable clamping member comprises a plate part and a cylinder part, wherein the plate part that is parallel to a side surface at the connection is provided with a horizontal via, and the cylinder part is fixedly connected to or integrated with an inner side surface of the plate part. ### Claim 15 (depends on 7) The gun calibrator with an inner red dot sight according to claim 7, wherein the top surface of the rear end of the battery cabin is provided with a through hole in communication with the rear end portion of the bottom surface of the sleeve, the rear end portion of the bottom surface of the sleeve is provided with a conductive pillar, which is displaced to be parallel to the axial direction of the straight bar; and a conductive ball and a conductive spring are embedded in the circumferential surface of the straight bar, which is embedded in the sleeve, and the conductive ball and the conductive spring are perpendicular to the straight bar; wherein the conductive ball is pressed against the surface of the battery cabin under the pressure of the conductive spring. ### Claim 16 (depends on 15) The gun calibrator with an inner red dot sight according to claim 15, wherein the rear end of the straight bar that is in the central part near the battery cabin is provided with a conical protruding part with an increasing radius toward the battery cabin, and the front end surface of the conical protruding part is provided with an annular conductive plate that is sleeved on the straight bar, and the front side surface of the annular conductive plate is provided with a conductive ring; the annular conductive plate can be embedded in the rear end portion of the sleeve, and the conductive ring is in contact with the conductive pillar to connect one electrode of the laser module with an electrode of the battery placed in the battery cabin; the conductive ball and the conductive spring connect a housing of the battery cabin and a shell of the sleeve, and connect the other electrode of the laser module with the other electrode of the battery placed in the battery cabin. ### Claim 17 (depends on 15) The gun calibrator with an inner red dot sight according to claim 15, wherein a clamp that can be clamped on the front end portion of the straight bar is displaced at the connection of the battery cabin and the sleeve, and the clamp comprises: an inner thread connection sleeve displaced on one side of the connection, a connection screw across the connection, a movable clamping member displaced in a groove on the other side of the connection, and a cam wrench coupled to the end of the connection screw that penetrates the movable clamping member by a pin shaft; wherein the movable clamping member comprises a plate part and a cylinder part, wherein the plate part that is parallel to a side surface at the connection is provided with a horizontal via, and the cylinder part is fixedly connected to or integrated with an inner side surface of the plate part. ### Claim 18 (depends on 7) The gun calibrator with an inner red dot sight according to claim 7, wherein a clamp that can be clamped on the front end portion of the straight bar is displaced at the connection of the battery cabin and the sleeve, and the clamp comprises: an inner thread connection sleeve displaced on one side of the connection, a connection screw across the connection, a movable clamping member displaced in a groove on the other side of the connection, and a cam wrench coupled to the end of the connection screw that penetrates the movable clamping member by a pin shaft; wherein the movable clamping member comprises a plate part and a cylinder part, wherein the plate part that is parallel to a side surface at the connection is provided with a horizontal via, and the cylinder part is fixedly connected to or integrated with an inner side surface of the plate part. ### Claim 19 (depends on 18) The gun calibrator with an inner red dot sight according to claim 18, wherein the inner red dot sight is connected to the Picatinny rail by a Picatinny rail for increasing height that has a rapid clamping structure. ### Claim 20 (depends on 1) The gun calibrator with an inner red dot sight according to claim 1, wherein the rear end of the straight bar is a truncated cone with an increasing diameter toward the front end of the straight bar, on which an expansion sleeve that is coaxial with the straight bar is sleeved; wherein the front slip assembly and the rear slip assembly are connected by the connecting cylinder; wherein the front slip is surrounded to be a cylindrical shape by at least three front slips, the rear end of which is connected to the connecting cylinder and the front end portion of which is spherical or arc-shaped face, and an outer diameter of the front slip is equal to an inner diameter of a barrel, and a gap is provided between the adjacent front slips; wherein the rear slip assembly is surrounded to be a cylindrical shape by at least three rear slips, the front end of which is connected to the connecting cylinder and the rear end portion of which is spherical or curved face, and the outer wall of each spherical or curved surface is provided with a strip-shaped block that can be embedded in a rifling groove of a barrel, and a gap is provided between the adjacent rear slips; wherein the diameter for the circumference where the block is located is equal to or slightly greater than the diameter of the circumference where the inside rifling of the barrel is located; and wherein the connecting cylinder is screwed to the rear end of a straight bar.