Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7487612 | Grenade launcher A grenade launcher includes a frame, a barrel mounted on the frame and an opening mechanism. The opening mechanism includes a guide which enables advancement of barrel in a longitudinal direction of the frame and swiveling of the barrel laterally in the final phase ... | 02/10/2009 |
| 7356957 | Sliding barrel breeching mechanism Apparatus 10 comprises a receiver body 12 along with a trigger 14 for activating the firing mechanism and a lever 16 for opening the breech assembly to allow access to the chamber for receiving the shell/cartridge 56 at the rear of... | 04/15/2008 |
| 7347021 | Firearm action or receiver Apparatus 10 discloses a receiver body 12 along with a trigger 14 for activating the firing mechanism and a lever 16 for opening the breech assembly to allow access to the chamber for receiving the shell/cartridge 56 at the rear of... | 03/25/2008 |
| 7328530 | Barrel latch locking device A barrel latch safety for a grenade launcher having a barrel slidable upon a receiver via actuation of a barrel latch is provided. The barrel latch safety includes a locking plate and elongate member extending from a portion thereof so as to define a crotch between ... | 02/12/2008 |
| 7231864 | Reciprocating barrel firearm apparatus A firearm apparatus includes a gun housing which includes a barrel support channel between a front gun housing portion and an intermediate gun housing portion. A reciprocating barrel is housed inside the gun housing and includes a piston-sleeve-contained barrel port... | 06/19/2007 |
| 7225574 | Forwardly movable assembly for a firearm A forwardly movable assembly for a firearm, the forwardly movable assembly adapted to be disposed in operative relationship relative to the other operative parts of a firearm, the firearm having in operative relationship each with one or more of the others: a barrel... | 06/05/2007 |
| 7155857 | Assault rifle hand and forearm guard and method of use An assault rifle with a hand and forearm guard for protection of the user's hand and forearm. The assault rifle may be aimed from the side or on top of a barrier using an optical sensing system. ... | 01/02/2007 |
| 7097555 | Ventilator particularly for motor vehicles According to the invention, the body (2) of the ventilator (1) defines at least one housing (5) behind the front face (12) of the ventilator (1), said housing communicating with the vent (1) tube (10) by means of one ... | 08/29/2006 |
| 6964220 | Floating barrel handgun method of recoil elimination A floating barrel gun design, a design in which a propellant gas discharge is used to counterbalance the recoil force of the gun, has been improved to include a novel automatic mechanical mechanism which allows the floating or inner barrel to be held stationary with... | 11/15/2005 |
| 6869285 | Training firearm A training firearm that provides a realistic recoil effect. The firearm, preferably a pistol, may be an actual firearm retrofitted with a self-contained “blow back” assembly. Usually, the pistol will include a laser device that emits a laser beam readable by a t... | 03/22/2005 |
| 6405631 | Semi-automatic handgun A semi-automatic handgun is disclosed including a frame having a barrel housing mounted thereon. A barrel is movably mounted on the barrel housing and has a cartridge chamber at its rearward end for receiving a cartridge therein. The barrel is movable bet... | 06/18/2002 |
| 5837920 | Break action cannon The break action cannon invention disclosed herein enables weaponization and integration of complex fire control systems concurrent with projectile loading operations in a gun system such that superior firing cycle and efficient power and thermal manageme... | 11/17/1998 |
| 5617665 | Rotating breech gun A break open sporting firearm with one to four barrels that lock up in line directly behind the chambers for strength and rigidity. The load from firing is taken up by two or more circularly spaced lugs in the breech engaging with mating lugs on the frame. A r... | 04/08/1997 |
| 5591932 | Break action cannon The break action cannon invention disclosed herein enables weaponization and integration of complex fire control systems concurrent with projectile loading operations in a gun system such that superior firing cycle and efficient power and thermal manageme... | 01/07/1997 |
| 4897949 | Firearms A pump action shotgun including a main housing, a breech having a main bore and a sleeve within the main bore. A barrel has its rear end telescopically received within the sleeve, the barrel being axially movable from a rear firing position in close proxi... | 02/06/1990 |
| 4028994 | Micro-precision timed firing handgun A handgun of the drop barrel type has an over-length firing pin coupled with a "pile-driving" barrel action that permits the firing of rifle load cartridges. A micro-precision timing sequence of the action causes the rearwardly propelled cartridge dispose... | 06/14/1977 |
| 3967402 | Manually-operated firearm with forward-moving barrel and pivoted breech block The disclosed firearm comprises a stationary receiver or frame, a breech ck pivotally mounted at its lower end on the receiver and engaging a forward-facing abutment on the receiver in firing position, a barrel slidably mounted near its forward end on th... | 07/06/1976 |
| 3967403 | Manually-operated firearm with forward-moving barrel and automatic breech lock The disclosed firearm comprises a stationary receiver or frame, a breech ck slidably mounted in the receiver and engaging a forward-facing abutment on the receiver in firing position, a barrel slidably mounted on the receiver for rectilinear and transver... | 07/06/1976 |
