公开(公告)号：US2866389A

公开(公告)日：1958-12-30

申请号：US44444054

申请日：1954-06-04

申请人： SIMPSON CLARENCE E

发明人： SIMPSON CLARENCE E

IPC分类号： F41A3/78

CPC分类号： F41A3/78 ,  Y10T29/49893

公开(公告)号：US2449545A

公开(公告)日：1948-09-21

申请号：US57460045

申请日：1945-01-25

申请人： BALLEISEN CHARLES E

发明人： BALLEISEN CHARLES E

IPC分类号： F41A3/78 ,  F41A5/08

CPC分类号： F41A3/78 ,  F41A5/08

公开(公告)号：US2441382A

公开(公告)日：1948-05-11

申请号：US59567145

申请日：1945-05-25

申请人： GEN MOTORS CORP

发明人： ANDERSON LOUIS A

IPC分类号： F41A3/68 ,  F41A3/78

CPC分类号： F41A3/78 ,  F41A3/68

公开(公告)号：US1356191A

公开(公告)日：1920-10-19

申请号：US26380318

申请日：1918-11-23

申请人： CRAIG ALVIN M

发明人： CRAIG ALVIN M

IPC分类号： F41A3/78

CPC分类号： F41A3/78

公开(公告)号：US11187477B2

公开(公告)日：2021-11-30

申请号：US17105973

申请日：2020-11-27

申请人： Bradley W. Snyder

发明人： Bradley W. Snyder

IPC分类号： F41A3/78 ,  F16F15/03

摘要： A magnetic shock absorbing buffer system having a buffer element with a buffer element cavity having internal buffer threads and a buffer cavity shoulder; a plunger element having a plunger head that is slidable within the buffer element cavity, wherein a plunger body extends through the buffer cavity second open end, and wherein a plunger shoulder contacts the buffer cavity shoulder to maintain the plunger head within the buffer element cavity; an adjustment screw, wherein external adjustment screw threads interact with the internal buffer threads to allow the adjustment screw to be adjustably positioned within the buffer cavity; and at least one dynamic magnet and at least one static magnet positioned within the buffer cavity, wherein like poles face one another such that the magnets act to repel one another within the buffer cavity, and wherein the adjustment screw maintains the magnets within the buffer cavity.

公开(公告)号：US20210164742A1

公开(公告)日：2021-06-03

申请号：US17105973

申请日：2020-11-27

申请人： Bradley W. Snyder

发明人： Bradley W. Snyder

IPC分类号： F41A3/78 ,  F16F15/03

摘要： A magnetic shock absorbing buffer system having a buffer element with a buffer element cavity having internal buffer threads and a buffer cavity shoulder; a plunger element having a plunger head that is slidable within the buffer element cavity, wherein a plunger body extends through the buffer cavity second open end, and wherein a plunger shoulder contacts the buffer cavity shoulder to maintain the plunger head within the buffer element cavity; an adjustment screw, wherein external adjustment screw threads interact with the internal buffer threads to allow the adjustment screw to be adjustably positioned within the buffer cavity; and at least one dynamic magnet and at least one static magnet positioned within the buffer cavity, wherein like poles face one another such that the magnets act to repel one another within the buffer cavity, and wherein the adjustment screw maintains the magnets within the buffer cavity.

公开(公告)号：US20210102768A1

公开(公告)日：2021-04-08

申请号：US17064563

申请日：2020-10-06

申请人： Roberto Perez

发明人： Roberto Perez

IPC分类号： F41A3/78 ,  F41A3/84

摘要： A linear-to-rotary converter assembly includes a housing having a first portion, a second portion, and a bore in which a plunger is slidably disposed. The plunger includes a plunger body having threads and a plunger boss extending from the housing. At least one of a one-way bearing or a disk is disposed within the housing bore. A rod is disposed within the housing bore and has a first portion having threads engaging the plunger threads and a second portion extending through the at least one of the one-way bearing or the disk. At least one magnet is disposed within the housing adjacent to the one-way bearing or the disk. Linear movement of the plunger between a firing position and a recoil position rotates the rod and the one-way bearing or the disk in a first direction as the magnet acts on the at least one of the one-way bearing or the disk.

公开(公告)号：US20200232730A1

公开(公告)日：2020-07-23

申请号：US16785084

申请日：2020-02-07

申请人： NEMO Arms, Inc.

发明人： Daniel R. NEITZLING

IPC分类号： F41A3/26 ,  F41A5/20 ,  F41A3/12 ,  F41A3/78 ,  F41A5/26

摘要： A semi-automatic or automatic rifle comprising a barrel attached to and upper receiver and including a compressible bolt carrier extension system. The compressible bolt carrier extension system includes a bolt carrier, an extension spring, two pins, and a reciprocation bolt carrier extension piece. As a whole, the compressible bolt carrier extension system makes possible the use of elongated upper and lower receivers to be used for chambering long-action or other center fire cartridges for use with AR rifles such as the M-16, and M4 etc., eliminating the need for any buffer or buffer tubes other than those commercially available. A further advantage of the compressible bolt carrier extension system is the reduction of felt recoil as the system fully loads during the recoil stroke as it pushes against the buffer absorbing additional recoil energy. The system can be incorporated into firearms using a variety of cartridges.

公开(公告)号：US20200182568A1

公开(公告)日：2020-06-11

申请号：US16678096

申请日：2019-11-08

申请人： Tech-10 Tactical, LLC

发明人： Paul Bergman

IPC分类号： F41A3/66 ,  F41A3/78

摘要： A backplate for a rifle may include a buffer tube engagement ring and an engagement tab operably coupled to the buffer tube engagement ring. The engagement tab may include a receiver engagement face and an exposed face that is opposite the receiver engagement face. The receiver engagement face may include a backplate protrusion extending away from a surface of the receiver engagement face, and a spring assisted guide spaced apart from the backplate protrusion. The spring assisted guide may include a cylindrically shaped cavity configured to receive and retain a distal end of a detent spring of the rifle.

公开(公告)号：US09435592B2

公开(公告)日：2016-09-06

申请号：US14949201

申请日：2015-11-23

申请人： Smith & Wesson Corp.

发明人： Brett Curry

IPC分类号： F41A3/78 ,  F41A11/00 ,  F41A3/68 ,  F41A17/36 ,  F41C3/00

CPC分类号： F41A3/68 ,  F41A17/36 ,  F41C3/00

摘要： To prevent inertial forces from inadvertently releasing the slide of a semi-automatic pistol into battery, a slide stop retention mechanism is mounted on the frame. A finger extends from the mechanism and pivots under the force of a biasing spring into engagement with the slide stop when the slide is in the open position. The finger supports the slide stop. A force applied to the slide stop, either manually or via a cam on the slide when the slide is pulled back and released, will move the finger out of its supporting position and allow the slide to move to battery.

摘要翻译： 为了防止惯性力不经意地将半自动手枪的滑块释放到电池中，在框架上安装滑动止动保持机构。 手指从机构延伸并且在滑动件处于打开位置时，在偏置弹簧的作用下枢转，与滑动止动件接合。 手指支撑滑块停止。 当幻灯片被拉回并释放时，手动或通过幻灯片上的凸轮施加到滑块上的力将使手指移出其支撑位置，并允许滑块移动到电池。