Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7430826 | Revolver cylinder block A safety device for a revolver including an assembly adapted to be affixed to the revolver on opposite sides of the trigger guard, and a cylinder block connected to the assembly having a rigid leg for extending into a chamber to secure the revolver. The cylinder blo... | 10/07/2008 |
| 7406793 | Revolver handgun having an ambidextrous, integrated, combined, lockable safety and handgun lock and a method of operating the lockable safety and handgun lock A handgun has a reliable, integrated, lockable safety/hammer lock which is easy to operate and inexpensive to manufacture. The handgun contains a frame having shaft receiving recesses, a hammer supported in the frame, and a lockable safety/hammer lock disposed in a ... | 08/05/2008 |
| 7269919 | Hammer disarmer for repetition rifles operated by alternate linear movement of the frontal actioning fore-end Hammer disarmer for rifles, constituted of a cylindrical pin lodged in the hammer itself having an operable protruding head over the curved upper surface of the hammer spur, going downwards through a cylindrical portion provided with a frontal plane recess, within w... | 09/18/2007 |
| 7243453 | Pistol with firing pin locking mechanism A pistol including a mechanism that locks firing pin of the pistol. The firing pin locking mechanism may include a stopping member which may be selectively moved by a user of the pistol between first and second positions, and a movable blocking member that may be en... | 07/17/2007 |
| 7234261 | Pistol with lockable manual safety mechanism A pistol including a mechanism that locks manual safety of the pistol. The lockable manual safety mechanism may include a manual safety that engages the firing apparatus of the pistol to prevent discharge of the pistol when the trigger is pulled. The firing apparatu... | 06/26/2007 |
| 7180425 | Drop detection device or abnormality detection device and portable apparatus equipped with said device The invention is aimed at preventing apparatus damage, loss of data, accidental firing of a firearm due to dropping or subjection to an impact, and other mishaps caused by accidental dropping or improper handling of the apparatus, firearm, etc. due to carelessness o... | 02/20/2007 |
| 7150122 | Auto-eject gun-lock device with ring-mounted key A gun-lock device includes a tubular assembly that fits within the bore and a chamber plug member that fits within the chamber of a firearm. The tubular assembly is partially received into the chamber plug member, wherein spring-loaded expandable arrangement at the ... | 12/19/2006 |
| 7146761 | Gun barrel safety lock with hand ratcheting wrench A gun safety device includes a barrel plug assembly having a first compression member, a second compression member, an expansion member, a joining member, and an adjustable extension rod assembly. The expansion member is sandwiched between the first compression memb... | 12/12/2006 |
| 7143614 | Computer physical security device An apparatus which inhibits the theft of equipment such as personal computers is disclosed. The equipment must have an external wall provided with a specially designed, approximately rectangular slot having preselected dimensions. An attachment mechanism includes a ... | 12/05/2006 |
| 7121033 | Gun lock A firearm barrel lock for preventing the accidental or unauthorized discharge of a firearm is provided. The barrel lock includes a dummy cartridge that is adapted to be received by a cartridge chamber of a firearm, a shaft that is insertable down the bore of the fir... | 10/17/2006 |
| 7051468 | Locking device for a pistol The invention relates to a locking device for a pistol, for which by means of a cylinder lock (10, 11), which is arranged in the handle of the weapon behind the magazine shaft (21), a locking element (7, 19) can be brought from one position in w... | 05/30/2006 |
| 7036258 | Passive safety block Firearm safety block devices and methods of use increase the pressured needed to pull back on triggers to cause a firearm to discharge the first shot A block member can be mounted on the firearm at different locations such as above, inside the trigger and behind the... | 05/02/2006 |
| 6948273 | Safety mechanism for gun The hammer of a gun has a channel in its front face, making direct contact between the hammer and the gun's firing pin impossible. The tip of a transfer bar retained within the channel moves to fill the channel and thus permit firing of the gun, only when the trigge... | 09/27/2005 |
| 6928763 | Firearm cylinder indexing mechanism A mechanism for indexing the movement of a firearm cylinder to load and unload cartridges from a plurality of cartridge-receiving chambers in the cylinder. The firearm may generally comprise a cylinder, a supporting structure rotatably carrying the cylinder and a lo... | 08/16/2005 |
| 6862830 | Safety device for guns Safety device for guns which can be activated by a special key, which is incorporated to the hammer in gun models in which the hammer just protrudes from its lodging slot in the frame, being constituted by a safety acting by direct obstruction of the movement of the... | 03/08/2005 |
| 6817130 | Sensor array for unauthorized user prevention device Improvements in the sensor array are disclosed for an array used in a module for preventing unauthorized use of a firearm or other device. The module to which the invention is applicable of the type including a plurality of pressure sensors for sensing a user's hand... | 11/16/2004 |
| 6698125 | Firearm safety mechanism with trigger facilitated retracting transfer bar The present invention features a firearm safety mechanism with an improved trigger pull, wherein the weight of the safety mechanism is not on the trigger when the hammer is in the "full cock" position. The advancement presented in the present invention se... | 03/02/2004 |
| 6584718 | Firearm locking mechanism A locking mechanism for a firearm which includes a rod which is threaded at both ends and extends into the bore of a barrel of a firearm and into the firing chamber. At its proximate end, the rod engages a nut which expands the fingers of a collet that en... | 07/01/2003 |
| 6523294 | Revolver-safety lock mechanism A revolver is provided that includes a frame, a barrel, a cylinder, a hammer, a trigger, and a safety lock mechanism. The safety lock mechanism includes a lockarm and a lockarm actuator. The hammer includes a normal slot and a lock slot. The lockarm inclu... | 02/25/2003 |
| 6460282 | Hammer mechanism for firearms My invention is a new and improved hammer mechanism which reduces the strength of the hammer mainspring without also reducing the hammer's strike force. My invention comprises a link mechanism integrally assembled to the hammer of a firearm. The link mech... | 10/08/2002 |
| 6442880 | Firearm with locking and unlocking apparatus A firearm including a body, barrel, trigger, trigger guard and firing pin, including a mechanism configured to operate the firing pin, and a safety mechanism including electronic circuitry and push buttons to operate the electronic circuitry and associate... | 09/03/2002 |
| 6418654 | Handgun safety device Handgun safety devices may prevent the loading of ammunition into a handgun. The safety devices may be inserted into a barrel of a handgun. The safety devices may extend into a firing chamber of the handgun to prevent a bullet from entering the chamber, o... | 07/16/2002 |
| 6418653 | Rotary activated gun locking mechanism A rotary activated gun locking mechanism is provided for is a revolver type handgun with an integral pick-proof lock. The lock functions by restraining the bullet chamber cylinder. A cylindrical type lock, similar to that used on vending machines, is loca... | 07/16/2002 |
| 6405471 | Safety lock for an automatic weapon A safety lock is disclosed for use with an automatic weapon such as a pistol. The automatic weapon has a hammer which is connected to a spring guide rod on which a striker spring is supported. This rod enters a removable insert during cocking of the hamme... | 06/18/2002 |
| 6351906 | Firearm automatic locking system and method This invention is a firearm automatic locking system and method using an emitter that produces an alternating electromagnetic field to induce an eddy current in an encoder presented by an authorized user of the firearm. A sensor in the firearm detects a u... | 03/05/2002 |
| 6347473 | Safety device for revolvers An automatic safety device for the firing hammer of revolvers, which includes a safety bolt (22) arranged within the profile of the firing hammer, contained and sliding in a cavity (21) which is provided in the firing hammer proper, connected to the trigg... | 02/19/2002 |
| 6336282 | Device for automatically putting a revolver on safety A device for automatically putting revolvers on safety is provided. The device includes a trigger (16) in a mounting position and a percussion or firing position for the control of the hammer. The hammer is stressed by a release spring (15). A spring-load... | 01/08/2002 |
| 6314777 | Revolver cylinder magnetic gunlock A revolver-lock device including a positive means, for locking of the bullet cylinder, a lock-housing for containing lock mechanism components, an extension rod, an inner permanent magnet, an extension spring, a multiple number of balls or similar members... | 11/13/2001 |
| 6308449 | Permanent safety device for preventing the accidental firing of a firearm Permanent safety device for preventing the accidental firing of a weapon whose firing mechanism comprises a trigger, a hammer, a loaded spring which exerts a force along a given line of action on said hammer, retention means which hold the hammer in oppos... | 10/30/2001 |
| 6305114 | Safety hammer for a firearm The present invention is an external hammer of the present invention is a structure or assembly having at least two-pieces: a hammer pivot and a hammer head. The hammer head of the present invention is removably attachable to the hammer pivot. In this man... | 10/23/2001 |
| 6170186 | Firearm safety apparatus The present invention is a safety device that prevents a weapon from being fired. The invention consists of a hollow cylindrical block and an ejector. The hollow cylindrical block is manually placed in a weapon's firing chamber thus preventing the engagin... | 01/09/2001 |
| 6016736 | Firearm, particularly a revolver pistol Revolver firearm comprising a body divided in an upper part, or slider, comprising a barrel and a drum, slidingly associated with a lower part, or case, comprising a handle, a trigger and a hammer; a first kinematic chain arranged in said case for arming ... | 01/25/2000 |
| 5918403 | Gun safety device A gun safety device for use with a firearm having a barrel and a chamber comprising a first tube with a wedge-shaped outer end and an internally threaded bore extending longitudinally within the first tube, a second tube with a wedge-shaped inner end stru... | 07/06/1999 |
| 5860241 | Electronic gun lock An electronic gun lock for a firearm which includes an electronic lock enclosure, a locking shaft member, and an optional locking shell. The locking shell, if used, is disposed within a bullet chamber of the firearm, and is adapted to fit both the firearm... | 01/19/1999 |
| 5826362 | Firearm with safety A firearm has a hammer and a trigger. The trigger abuts the lower end of a safety, and one or more springs urge the hammer down and constantly bias the safety towards a safe range. The upper part of the safety has a gap, and a sear is mounted coaxially wi... | 10/27/1998 |
| 5749166 | Gun lock assembly A gun lock assembly includes an engagement portion with a locked position in which a portion of the firing mechanism is operatively engaged to prevent firing of the firearm, and an unlocked position in which operation of the firearm is permitted. The lock... | 05/12/1998 |
| 5743039 | Combination locking device for firearms This invention relates to a combination locking device for controlling existing safety devices on firearms or work independently as a safety on firearms. It is operable to engage and disengage either the existing safety, or act independently to block the ... | 04/28/1998 |
| 5732497 | Gun lock assembly A gun lock assembly includes an engagement portion with a locked position in which a portion of the firing mechanism is operatively engaged to prevent firing of the firearm, and an unlocked position in which operation of the firearm is permitted. The lock... | 03/31/1998 |
| 5724759 | Safety mechanism for single action firearms The present invention is a safety mechanism for single action firearms, the safety mechanism having a trigger block slidably engaged with a safety channel in the firearm's frame. The trigger block has a block lower region configured to engage the firearm'... | 03/10/1998 |
| 5680722 | Fire control system for firearms A firearm having a trigger which is pivoted to the frame, a hammer which is pivoted to the frame and biased in a forward position, a barrel which is pivotally mounted on the frame so that the breech end of the barrel can be moved between a closed position... | 10/28/1997 |
