Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7343844 | Firearm recoil absorbing system An anti-recoil system for counteracting recoil in firearms and weapons using a gas actuated piston assembly is disclosed. A recoil piston is acted upon by gas pressure routed from the receiver/barrel. High pressure gas causes forward movement of the recoil piston th... | 03/18/2008 |
| 7188445 | Cantilevered gun rest A rotatable cantilevered gun rest (10) capable of being mounted upon a fixed support such as a wall in a hunting blind. The gun rest (10) can be rotated 180° to allow for sighting along any horizontal angle with respect to the wall. A proximal yoke ( | 03/13/2007 |
| 7131367 | Hydraulic bolt buffer for firearm A hydraulic bolt buffer assembly for an automatic firearm, the firearm including a receiver having a longitudinal chamber, a bolt and carrier assembly mounted in the chamber for reciprocating movement between a recoil position and a battery position, a spring for ur... | 11/07/2006 |
| 7121271 | Anti-pinch bolt An anti-pinch bolt is provided for use with a paintball marker having an automatic reloading mechanism comprising an instrument connected to the bolt by a pin for moving the bolt between a loading and a loaded position. The bolt comprises a tubular bolt body having ... | 10/17/2006 |
| 6782791 | Semiautomatic or automatic gun The gun may have a receiver element with a barrel extending forwardly from the receiver element with the barrel having a chamber end and a discharge end. A handle element may be attached to the receiver element and a trigger assembly may be integrated with the handl... | 08/31/2004 |
| 6418833 | Recoil spring tube assembly An improved recoil spring tube assembly for an auto-loading firearm includes a recoil spring slideable within a recoil spring tube and including a recoil spring follower all manufactured of a corrosion resistant material. The bore of the recoil spring tub... | 07/16/2002 |
| 5852253 | Personal firearm system The present invention relates to a personal firearm system characterized by the fact that it comprises at least two launch barrels (300, 500) and damper means (400) associated with at least a main barrel (300) and adapted to limit the recoil force generat... | 12/22/1998 |
| 5675113 | Device for coupling a recoil mechanism to a cradle and method for transporting an artillery weapon An artillery weapon includes a cradle, a recoil mechanism body, a flange that fastens the body to the cradle, first rigid fastening structure for fastening the flange to the cradle and second fastening structure for fastening the body to the flange.... | 10/07/1997 |
| 5655632 | Damper device for a mechanical system A damper device comprising a first and second assembly suitable for guided relative displacement. The first assembly is supported stationarily with respect to a reference. The second assembly is supported for guided relative displacement with respect to t... | 08/12/1997 |
| 5519957 | Gun stock recoil mechanism A comb and coil assembly for a shoulder firearm, the firearm having a stock with a butt end and a barrel end, includes a cheek piece which is connected to the upper surface of the stock. The cheek piece is movable between an extended position and a retrac... | 05/28/1996 |
| 5353680 | Machine gun apparatus Machine gun apparatus for mounting in association with a support element, such as a portion of a hatch assembly of an armored vehicle, wherein the support element has upper and lower sides which respectively correspond to the exterior and the interior of ... | 10/11/1994 |
| 5339789 | Low-recoil firearm A low-recoil gun (10), in particular a compressed-air gun or hand firearm, is proposed, comprising a stock assembly (25) and a barrel assembly (20) displaceable relative to the stock assembly (25) in the longitudinal direction (B) of the gun (10). The bar... | 08/23/1994 |
| 5279202 | Bolt repositioning device for firearms A semiautomatic firearm including a recoil spring acting on the bolt for closing the breech after the ejection of the case. The repositioning device includes an auxiliary resilient member which cooperates with the recoil spring, so that although a low-rig... | 01/18/1994 |
| 5272955 | Gun aiming device for a wheelchair A portable apparatus attachable to a wheelchair for movably supporting a gun thereon includes a pneumatic/hydraulic fluid operated control circuit for operably controlling the direction of the gun while sitting in the wheelchair. The apparatus includes a ... | 12/28/1993 |
| 5159148 | Recoil suppressing mount for a manually operated automatic weapon The invention relates to a recoil suppressing mount for an automatic weapon. The mount consists of a cradle assembly supported by a pin assembly to a fork means. There are also provided shock absorber means connecting the inner cradle relative to the oute... | 10/27/1992 |
| 5056410 | Firearm recoil absorber A firearm recoil absorbing device for supporting a firearm during firing includes nested inner and outer frames. The inner frame is slidably connected to the outer frame by plural rollers for relative sliding motion between the nested frames. Each frame i... | 10/15/1991 |
| 5014595 | Redirected recoil mechanism The present invention provides a recoil-redirecting mechanism for a gun which includes a frame, a gun barrel assembly having a barrel and a receiver with a bolt therein. The gun barrel assembly is slidably mounted to longitudinally reciprocate on the fram... | 05/14/1991 |
| 4966063 | Aircraft armament apparatus An aircraft armament mounting system includes an elongated support plank member which is insertable transversely through the aircraft cabin area so that a central portion of the plank is disposed within the cabin area and its opposite end portions project... | 10/30/1990 |
| 4893545 | Aircraft armament apparatus An aircraft armament mounting system includes an elongated support plank member which is insertable transversely through the aircraft cabin area so that a central portion of the plank is disposed within the cabin area and its opposite end portions project... | 01/16/1990 |
| 4689912 | Hand-held high-velocity grenade launcher A hand-held, single-shot grenade launcher including a receiver and attached stocks for both hands, a barrel slidable in the receiver, an assembly of Belleville springs for absorbing recoil and a breech connected to the end of the barrel. A grenade round i... | 09/01/1987 |
| 4667566 | Countercoil and recoil dampers for automatic firearms A countercoil and recoil damper for an automatic firearm which ensures floating support of the weapon during automatic bursts of fire is disclosed. To achieve this, the damper provides annular spring packs (32-35) and a precompressed spring (24), colinear... | 05/26/1987 |
| 4476969 | Dynamic recoil damping mechanism The mechanism is used to dampen the recoil or kickback effects of a machine, such as a machine gun, jack hammer, or the like which generates short duration, high-amplitude unidirectional forces. The mechanism includes an ancillary mass interposed between ... | 10/16/1984 |
| 4419922 | Recoil cushioning device, particularly for quick-firing weapons The recoil cushioning device comprises a recoiling member guided in a fixed member with cushioning means comprising a constant volume chamber placed between two diaphragms, said chamber being subdivided into three areas separated by constrictions. A recov... | 12/13/1983 |
| 4338852 | Bump stop for trunnion-mounted weapon A bump stop for a trunnion-mounted weapon that includes a torsion bar shock bsorber carried by the receiver portion of the weapon for absorbing shock loads as the weapon nears the limits of its upward and downward motion. The bump stop is advantageously ch... | 07/13/1982 |
| 4269109 | Open-framework receiver automatic cannon An open-framework receiver automatic cannon comprises a cannon barrel and a breech ring mounting the barrel and through opposite sides of which intermediate regions of first and second elongate rigid tubular support members are received, with longitudinal... | 05/26/1981 |
| 4261247 | Double action charging mechanism The invention is an improved apparatus for charging a weapon-type mechanism hile applying only approximately one-half the force required to move the mechanism forward. The apparatus consists of a charger assembly having a spring which is extended by an ini... | 04/14/1981 |
| 4183510 | Spring buffer A feature of this invention is a positively assembled, double acting spring buffer having all spring guides disposed within and extending the full length of the spring assembly.... | 01/15/1980 |
| 4072082 | Recoil converter A gun is provided having an operating mechanism and an energy storage system which receives and stores energy from the gun housing during the recoil of the gun and which subsequently transfers said stored energy to said operating mechanism during each gun... | 02/07/1978 |
| 4016799 | Shock absorber for firearms and the like A shock absorber for automatic weapons of the kind where all the shots in a burst with the exception of the first are fired during the return movement to the initial position of the weapon. The weapon has a recoil member movable with respect to a fixed me... | 04/12/1977 |
| 4012986 | Variable-elevation field guns for mortar and cannon applications An adjustable, easily erectable field piece settable at variable elevation angles is described. A two-point support is adapted to pivotally carry an intermediate member which is affixed to a composite sleeve serving as a barrel support member. A mortar br... | 03/22/1977 |
| 3969982 | Apparatus for damping the forward and return movements of an automatic firing weapon An apparatus for damping the forward and return motion of an automatic firing weapon comprising a weapon mount, a weapon housing and a weapon barrel, movement of the weapon housing is dampened with respect to the weapon mount by a first annular spring, wh... | 07/20/1976 |