A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 8132496 | Automatic firing pin block safety for a firearm A firearm has a frame, a trigger, a trigger bar, a hammer-type firing mechanism including a hammer having a hammer pin connected to the trigger via the trigger bar and a firing pin, and an automatic firing pin block safety mechanism (“automatic safety”) includin... | 03/13/2012 |
| 8047119 | Firearm fire control selector An automatic firearm capable of automatic or semiautomatic fire. The firearm has a receiver having a moveable hammer. A selector is rotatably mounted in the receiver. A first sear is rotatably mounted in the receiver to engage the hammer where the first sear contact... | 11/01/2011 |
| 7654187 | Firearm fire control selector An automatic firearm capable of automatic or semiautomatic fire. The firearm has a receiver having a moveable hammer. A selector is rotatably mounted in the receiver. A first sear is rotatably mounted in the receiver to engage the hammer where the first sear contact... | 02/02/2010 |
| 7421937 | Modular insertion trigger method and apparatus A trigger assembly comprising a housing adapted to mount a trigger, hammer and sear therein. The housing has an adjustment feature adapted to fixedly mount the housing within the trigger chamber portion of the firearm. The trigger assembly is particularly conducive ... | 09/09/2008 |
| 7273002 | Method and device for increasing the rate of the firing cycle of a semi-automatic firearm A device and method for increasing the rate of the firing cycle of a semi-automatic firearm includes a base that is adapted to support any one of a variety of semi-automatic firearms. The base includes a trigger extension with a grip, a slide mount, and a slide hous... | 09/25/2007 |
| 7240449 | Firearm safety system A firearm safety system includes a magazine block having a pair of opposed parallel shoulders slidably inserting beneath a pair of respective lips at an upper portion of a magazine and positionable in a loading chamber of a firearm to trap the charging handle to mak... | 07/10/2007 |
| 7069922 | Paintball marker internal reset system An internal reset system for paint ball markers. A hammer body as modified rearwardly to include an axial opening to receivably retain the forward head of a reset rod. The forward portion of the reset rod is thus free to reciprocate within the axial opening, but res... | 07/04/2006 |
| 7040213 | Firearm receiver system with belt-feed capability A firearm receiver system including a receiver body, an ammunition belt feeding assembly and a bolt carrier. The receiver body includes a first face and a second face approximately opposite the first face. The receiver body is configured for having means for trigger... | 05/09/2006 |
| 7000345 | Underbarrel shotgun A shotgun comprises a receiver made from a first material; barrel having a portion extending into the receiver and made from a second material; a collar nut securing the barrel to the receiver; a bolt assembly disposed within the receiver and including a locking blo... | 02/21/2006 |
| 6976416 | Solid-state full auto sear A firing mechanism includes a hammer, an electrical solid-state full auto sear positioned to engage the hammer in a first electrical state and to disengage from the hammer in a second electrical state, and a controller connected to the electrical solid-state full au... | 12/20/2005 |
| 6810613 | Supplementary safety device for light firearms This invention concerns a supplementary safety device in the form of a false cartridge to be inserted into the chamber of a light firearm barrel, including a radially expandable portion controlled by a lock operated by a specific key for locking/unlocking it in the ... | 11/02/2004 |
| 6539658 | Firearm equipped with rapid safety mechanism, drop safety and safety device kit A safety mechanism dedicated to a single-action type firearm, equipped with a firing system using a hammer, presented in a kit form, capable of factory assembly on the firearm, or adaptation to a firearm already in service, comprising: said hammer strikin... | 04/01/2003 |
| 6513273 | Safety device for a autoloading or automatic pistol A safety device for a automatic pistol, which safety device for a pistol is comprised of a safety pin (1) housed in a recessed hole (16) of the slide (15), which safety pin can assume a first position in which the gun is unlocked, and a second position in... | 02/04/2003 |
| 6347538 | Locking mechanism for weapons A locking mechanism is shown for locking weapons. The mechanism works with a lever that turns and locks and unlocks the weapon by interfacing with elements on the interior of the weapon. A key can be used to position a lock plunger such that the lever can... | 02/19/2002 |
| 6343429 | Inertia-resistant preventer mechanism for firearm safety enhancement system An inertia-resistant preventer mechanism is provided for use in a firearm safety enhancement system to reliably and selectably prevent or to unblock a firing mechanism of a firearm. The inertia-resistant preventer mechanism includes a first solenoid havin... | 02/05/2002 |
| 6125735 | Self-loading weapon A fully automatic self-loading weapon is disclosed. The weapon has a functional part that can be moved by the release of a round, and a connectable and disconnectable single-shot device which, when activated, causes release of one shot for every actuation... | 10/03/2000 |
| 5913261 | Trigger arrangement A trigger arrangement for an automatic weapon with switch-over between continuous firing and single-shot modes includes a hammer, a breechblock, a latch, a pivotably mounted trigger, and a firing lever. In the single-shot mode, the firing lever engages th... | 06/15/1999 |
| 5760328 | Four position firearm fire control selector A firearm with a trigger, a hammer, an automatic sear, and a selector switch connected to a rotatable firing control cam for selecting among types of firing selections of the firearm. The types of firing selections include safe, semi-automatic, limited au... | 06/02/1998 |
| 5713150 | Combined mechanical and Electro-mechanical firing mechanism for a firearm A firearm with a firing mechanism having a hammer, a trigger, a semi-automatic disconnector, an automatic sear, and an electro-mechanical movement mechanism for moving the automatic sear. The trigger and semi-automatic disconnector can be used to fire the... | 02/03/1998 |
| 5635663 | Firearm with interchangeable mode determinator A firearm, for example a semiautomatic weapon, in particular an automatic pistol, has control elements for controlling several operation or adjustment functions of the weapon. By means of an easily exchangeable functional element, for example a cam disk, ... | 06/03/1997 |
| 5623114 | Selectable fire trigger mechanism An improved trigger mechanism for weapons having full automatic fire capability. Exertion of a first predetermined trigger pressure enables the disconnector to engage the hammer in a semi-automatic fire mode. Exertion of a second, greater trigger pressure... | 04/22/1997 |
| 5339721 | Tripping mechanism for semiautomatic and automatic firearms The invention relates to a tripping mechanism for semiautomatic and automatic firearms with a closed-type bolt carriage and which can be used in either a single shot firing mode or an automatic firing mode. The mechanism has a sear 4 slidably fitted on th... | 08/23/1994 |
| 5251533 | Firing mode selection apparatus A firing mode selector apparatus enables a rifle to be selected into one of four different modes in a logical sequence from safe to semi-automatic to burst to full automatic or vice versa. The selector lever of the rifle is configured to receive a modifie... | 10/12/1993 |
| 4941394 | Hand-held automatic firearm The trigger mechanism of a hand-held automatic firearm comprises a catch lever, which is pivoted on a transverse axis and is provided at its forward end with a pivoted catch pawl, which in a catching position engages a catching lug of a slider to arrest t... | 07/17/1990 |
| 4892026 | Hand-held automatic firearm A hand-held automatic firearm comprises a trigger mechanism, which includes a hammer, arranged to be cocked as the breechblock recoils, a sustained-fire lever, controlled by the breechblock and locks the hammer as the breechblock advances, a trigger slide... | 01/09/1990 |
| 4833970 | Submachine gun The sub machine gun fires single shots in semi automatic fashion, and also fires fully automatically, with the firing mode being manually selectable. The firing mode selection also includes a safe setting, and there is a grip safety which renders the gun ... | 05/30/1989 |
| 4697495 | Tripping mechanism for the conversion closed-bolt automatic rifles to open-bolt ones A tripping mechanism is disclosed for the conversion of automatic rifles of the so-called closed-bolt type to rifles of the open-bolt type. The components of the mechanism are premounted within a box-like support which is readily insertable in the trip bo... | 10/06/1987 |
| 4679487 | Projectile firing weapon with a replaceable firing mechanism actuator cassette A projectile firing weapon is disclosed having a simplified construction and a consequent increase in reliability. The trigger and firing mechanism are completely contained within an easily removable and replaceable cassette which may simply be dropped in... | 07/14/1987 |
| 4664015 | Automatic gun with improved firing mechanism A gun which has an improved firing mechanism which enables it to be completely automatic through ejection of the magazine by eliminating the need for a selector switch. The firing mechanism has a substantially J-shaped hammer with a sear embedded therein.... | 05/12/1987 |
| 4567810 | Automatic firearm A firearm in the form of a submachine gun which can fire in either a semiautomatic or full automatic mode. The firearm is provided with a front sear, a front trigger and a rear sear/trigger in a construction which allows the operator to instantly change b... | 02/04/1986 |
| 4523510 | Combined selector, safety and trigger assembly for automatic firearms A full automatic firearm or submachine gun has a combined trigger, sear and selector mechanism including automatic and semi-automatic bars which are pivoted at their forward end to the trigger, and a sear member disposed therebetween and independently piv... | 06/18/1985 |
| 4510844 | Electronic firing mechanism for weapons An electrical firing mechanism for hand guns and small caliber machine guns having a tension trigger which tightens a compression spring locading an impact member which when released strikes a piezo-voltage generator. The output of the generator leads to ... | 04/16/1985 |
| 4450752 | Gas operated automatic weapon A belt-fed, gas-operated automatic weapon of a type in which the gas pressure developed in the barrel bore during firing is ported just forward of the barrel chamber to be utilized to compress a system of opposing spring sets which in turn operate the var... | 05/29/1984 |
| 4358986 | Rifle bolt assemblies A rifle having a body comprised of hingedly interconnected lower and upper receivers, a trigger and hammer assembly mounted in the lower receiver, a barrel extending from one end of the upper receiver, an integrated bolt assembly removably mounted in the ... | 11/16/1982 |
| 4253378 | Gas operated automatic weapon A belt-fed, gas-operated automatic weapon of a type in which the gas pressure developed in the barrel bore during firing is ported just forward of the barrel chamber to be utilized to compress a system of opposing spring sets which in turn operate the var... | 03/03/1981 |
| 4200028 | Multi-purpose gun safety A safety mechanism for locking the bolt carrier of an automatic gun against ovement in the counter recoil direction. The mechanism includes a swingable arm structure movable into the path of the gun trigger, and a back-up pawl structure engageable with the... | 04/29/1980 |
| 4117761 | Fire control mechanism 1. In a firearm; an operating rod disposed for reciprocation between a breech closed position and a recoil position in response to the cyclic rate of the firearm; sear means spring biased into a holding position for retaining said operating rod in a cocke... | 10/03/1978 |
| 4095507 | Combat firearm This invention relates to firearms of the type disclosed in my prior U.S. Pat. No. 3,424,053, granted Jan. 28, 1969, in which the principal parts such as actuating sleeve, receiver, frame and breechblock are made from cylindrical extruded metal tubing and... | 06/20/1978 |
| 4057003 | Open bolt conversion apparatus An open-bolt firing conversion for the standard M16 rifle, which allows the rifle to be converted to open-bolt firing by replacement of parts and without otherwise altering the rifle. The open-bolt conversion is hammer-fired for reliability and preservati... | 11/08/1977 |
| 4023465 | Firearm An auto-loading firearm has a firing mechanism that selectively permits (1) conventional semi-automatic operation or (2) automatic operation that permits bursts to be fired at a rate which can be varied between 1 and about 12 rounds per second in response... | 05/17/1977 |