A combination foregrip and laser sight device for use with a rifle or AR pistol. The device having a forward downwardly extending post with a horizontal surface, a rearward downwardly extending post with a horizontal surface, and a notch therebetween for receiving fingers of a left or right hand of
A combination foregrip and laser sight device for use with a rifle or AR pistol. The device having a forward downwardly extending post with a horizontal surface, a rearward downwardly extending post with a horizontal surface, and a notch therebetween for receiving fingers of a left or right hand of a person. The foregrip body defining a first opening in the forward direction, a second opening in a starboard direction, and a third opening in a port direction. A laser housing of the device being disposed inside the first opening defined by the foregrip body. A starboard switch of the device being disposed in the second opening defined by the foregrip body. A port switch of the device being disposed in the third opening defined by the foregrip body. The switches being operatively coupled to the semiconductor chip for selective activation thereof.
대표청구항▼
1. A laser sight device for use with a firearm, the firearm comprising a receiver, a barrel extending from the receiver, a forward handguard extending around the barrel, and a lower Picatinny rail attached to the handguard, the firearm further having a barrel axis, whereby when the laser sight devic
1. A laser sight device for use with a firearm, the firearm comprising a receiver, a barrel extending from the receiver, a forward handguard extending around the barrel, and a lower Picatinny rail attached to the handguard, the firearm further having a barrel axis, whereby when the laser sight device is attached to the firearm and the firearm is horizontal the laser sight device comprising: an elongate foregrip body comprising a rail attachment portion for attachment to the Picatinny rail, a forward post portion depending downwardly from the rail attachment portion, when viewed from the side, the forward post portion having a first horizontal surface defining a lowermost surface on the forward post portion, an intermediate recessed portion depending from the rail attachment portion and positioned rearward of the forward post portion, the intermediate recessed portion having a downwardly facing second horizontal surface, and a rearward post portion depending from the rail portion and positioned rearward of the intermediate portion, the rearward post having a downwardly facing third horizontal surface,the forward post portion defining a forward cavity and the rearward post portion defining a rearward cavity;a laser housing disposed in the forward cavity with a laser light generator therein;a battery disposed in the rearward cavity;the foregrip body defining a gripping notch disposed between the laser housing and the battery, the gripping notch defined by a rearward facing vertical surface of the forward post, the downwardly facing second horizontal surface directly rearward of the rearward facing vertical surface, and an inclined surface extending downwardly and rearwardly from the second horizontal surface, the second horizontal surface extending a length of about one finger width, the inclined surface extending about two finger widths in length, the third horizontal surface extending at least one finger width in length;a starboard switch supported by the foregrip body, the starboard switch being positioned above the notch on a starboard side of the foregrip body, the starboard switch being positioned to receive a tip portion of a left index finger of a left hand or a thumb of a right hand; anda port switch supported by the foregrip body, the port switch being positioned above the notch on a port side of the foregrip body, the port switch being positioned to receive a tip portion of a right index finger of a right hand or a thumb of a left hand. 2. The laser sight of claim 1 wherein the upward to downward thickness of the intermediate portion at the second horizontal surface is about one forefinger thick or less. 3. The laser sight device of claim 1 wherein the rail attachment portion extends substantially the length of the foregrip body and has two tightening segments for securement to the Picatinny rail. 4. The laser sight device of claim 1 further comprising circuitry connecting to the port switch and the starboard switch, the circuitry and/or the port switch and starboard switch being configured such that each of the starboard switch and port switch turns the laser light generator on and off. 5. The laser sight device of claim 1 wherein: the starboard switch comprises a switch substrate overlaying a bottom surface of a second opening, a switch spring overlaying the switch substrate, and a switch cap overlaying the switch spring; andthe port switch comprises a switch substrate overlaying a bottom surface of a third opening, a switch spring overlaying the switch substrate, and a switch cap overlaying the switch spring. 6. The laser sight device of claim 1 in combination with the firearm, the firearm being at least 22 inches in length. 7. The combination of claim 6 wherein the firearm is a gas operated semiautomatic modern sporting rifle. 8. The combination of claim 6 wherein the firearm is a gas operated semiautomatic AR pistol. 9. The laser sight device of claim 1, further comprising: an elevation adjustment mechanism configured to selectively rotate the laser housing about a first horizontal axis, the horizontal axis extending in the starboard and port directions; anda windage adjustment mechanism configure to selectively rotate the laser housing about an vertical axis, the vertical axis being orthogonal to a plane defined by the barrel axis and the horizontal axis. 10. A laser sight device for use with a modern sporting rifle, the device comprising: a foregrip body defining a notch for receiving a left or right hand of a person, the notch extending rearward from a rearward facing stop surface of the foregrip body to a finger engaging surface of the foregrip body, the finger engaging surface being sloped so that the finger engaging surface extends downward as the finger engaging surface extends rearward, the foregrip body defining a forward opening that opens in the forward direction, a starboard opening that opens in a starboard direction, and a port opening that opens in a port direction, the starboard and port directions being orthogonal to a plane defined by the barrel axis and a vertical axis perpendicular to the barrel axis;a laser housing disposed inside the forward opening defined by the foregrip body, the laser housing supporting a semiconductor chip that emits laser light and a collimating lens that collimates the laser light emitted by the semiconductor chip;a forward end of the laser housing being coupled to a spherical bearing, the spherical bearing constraining movement of the laser housing in three translation degrees of freedom corresponding to translation along three mutually orthogonal axes, the three mutually orthogonal axes including a vertical axis, a horizontal axis and a longitudinal axis, the longitudinal axis being generally parallel to the barrel axis, the spherical bearing allowing rotation of the laser housing about at least the horizontal and vertical axes, the spherical bearing comprising a spherical surface that is received in a cup;a windage adjustment mechanism comprising a windage adjustment spring and a windage adjustment screw that is threadingly received in a windage adjustment insert, the windage adjustment insert including a windage adjustment shoulder positioned and configured to limit travel of the windage adjustment screw, the windage adjustment spring being positioned and configured to bias the laser housing against the windage adjustment screw, the windage adjustment screw being positioned and configured so that rotation of the windage adjustment screw relative to the windage adjustment insert produces rotation of the laser housing about the vertical axis;an elevation adjustment mechanism comprising an elevation adjustment spring and an elevation adjustment screw that is threadingly received in an elevation adjustment insert, the elevation adjustment insert including an elevation adjustment shoulder positioned and configured to limit travel of the elevation adjustment screw, the elevation adjustment spring being positioned and configured to bias the laser housing against the elevation adjustment screw, the elevation adjustment screw being positioned and configured so that rotation of the elevation adjustment screw relative to the elevation adjustment insert produces rotation of the laser housing about the horizontal axis;a starboard switch disposed in the starboard opening defined by the foregrip body, the starboard switch comprising a starboard switch substrate overlaying a bottom surface of the starboard opening, a starboard switch spring overlaying the starboard switch substrate, and a starboard switch cap overlaying the starboard switch spring;the starboard switch substrate comprising first and second conductors disposed on a starboard facing surface thereof, the starboard switch spring being deformable between an unstressed configuration in which an inner surface of the starboard switch spring is concave and a deformed configuration in which the starboard switch spring completes an electrical circuit between the first conductor and the second conductor of the starboard switch substrate, the starboard switch spring being positioned and configured to assume the deformed configuration when a portwardly directed depressing force is applied to the starboard switch cap;a port switch disposed in the port opening defined by the foregrip body, the port switch comprising a port switch substrate overlaying a bottom surface of the port opening, a port switch spring overlaying the port switch substrate, and a port switch cap overlaying the port switch spring;the port switch substrate comprising first and second conductors disposed on a portwardly facing surface thereof, the port switch spring being deformable between an unstressed configuration in which an inner surface of the port switch spring is concave and a deformed configuration in which the port switch spring completes an electrical circuit between the first conductor and the second conductor of the port switch substrate, the port switch spring being positioned and configured to assume the deformed configuration when a starboardly directed depressing force is applied to the port switch cap. 11. A laser sight device in combination with a modern sporting rifle, the modern sporting rifle comprising: a receiver;a barrel extending from the receiving;a handguard surrounding the barrel; anda lower rail attached to the handguard; the modern sporting rifle being at least 22 inches in length;whereby when the modern sporting rifle is horizontal, the laser sight device comprising:an elongate foregrip body comprising a rail attachment portion for attachment to the rail,a forward post portion depending downwardly from the rail attachment portion, the forward post portion having a first horizontal surface defining a lowermost surface on the forward post portion;an intermediate recessed portion depending from the rail attachment portion and positioned rearward of the forward post portion, the intermediate recessed portion having a downward facing second horizontal surface; anda rearward post portion depending from the rail portion and positioned rearward of the intermediate portion, the forward post portion defining a forward cavity and the rearward post portion defining a rearward cavity;a laser housing disposed in the forward cavity with a laser light generator therein;a battery disposed in the rearward cavity;the foregrip body defining a gripping notch disposed between the laser housing and the battery, the gripping notch defined by a rearward facing vertical surface of the forward post, the downwardly facing second horizontal surface directly rearward of the rearward vertical facing surface, and an inclined surface extending downwardly and rearwardly from the second horizontal surface, the gripping notch sized to receive not more than three finger widths;a starboard switch supported by the foregrip body, the starboard switch being positioned above the notch on a starboard side of the foregrip body, the starboard switch being positioned to receive a tip portion of a left index finger of a left hand or a thumb of a right hand; anda port switch supported by the foregrip body, the port switch being positioned above the notch on a port side of the foregrip body, the port switch being positioned to receive a tip portion of a right index finger of a right hand or a thumb of a left hand. 12. The combination of claim 11 wherein the modern sporting rifle does not have a rear stock. 13. The laser sight of claim 1 wherein the forward post portion extends downward a distance of 0.6 to 0.9 inches. 14. The laser sight of claim 1 wherein the downward facing surface of the rearward post has a length of 0.7 to 1.0 inches. 15. The laser sight of claim 1 wherein: the downward facing surface of the front post portion extends straight in a direction parallel to the barrel axis;the downward facing surface of the rearward post portion extends straight in a direction parallel to the barrel axis; andthe rearward facing surface of the front post portion extends straight in a direction perpendicular to the barrel axis.
Bjornsen ; III Bernie E. (Huntington Beach CA) Hauk Peter (Huntington Beach CA) Matthews John W. (Corona del Mar CA), Ergonomic electrical current switching systems.
Kallio, Robert A; Wolinski, Jeffrey S.; Allen, Michael W.; Kolbet, Robert J.; Houde Walter, William R., Target illuminating assembly having integrated magazine tube and barrel clamp with laser sight.
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