Auxiliary device for a weapon and attachment thereof

Firearms – Muzzle making – attaching or repair

Reexamination Certificate

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Details

C362S110000

Reexamination Certificate

active

06185854

ABSTRACT:

FIELD OF THE INVENTION
The invention relates generally to an auxiliary (e.g., illumination) device for a weapon and, more particularly, to attaching an auxiliary device to a weapon.
BACKGROUND OF THE INVENTION
The need to be able to effectively see a target and aim a weapon in the direction of the target is well recognized. Auxiliary devices to facilitate illuminating a target or aiming a weapon, especially under low light conditions, are known. Examples of known auxiliary devices include scopes, illuminators, lasers, aiming lights and combined illuminator/laser units. For convenience, these (and other) devices are generally referred to herein as auxiliary devices. Attaching auxiliary devices to a weapon typically requires separate brackets or other mechanical components, which may necessitate tools, e.g., screwdrivers, coins, hex wrenches or bullets, for attaching the auxiliary device itself or the mechanical component. Alternatively, attaching and detaching the device or mechanical components to the weapon requires partial disassembly or modification of the weapon. Further, such systems typically require use of two hands to mount the device on the weapon, with both hands performing a function beyond merely gripping the weapon. This requirement presents several disadvantages. For instance, the user may be required to remove the trigger hand from the trigger area of the weapon. Moreover, attachment and detachment of these devices can be time consuming and, in law enforcement and military applications, such time may be critical to the safety of the weapon's operator or others.
As a result of these and other problems with conventional devices, the user typically leaves the auxiliary device mounted on the weapon or performs a time consuming operation to mount the device when needed. These alternatives are undesirable. For example, if the device is left mounted on the weapon, it cannot be used independently of the weapon despite the fact that in some situations, it is desirable to illuminate an area without pointing a weapon toward that area. Also, in the context of handweapons, for example, many holsters do not readily accommodate weapons having auxiliary devices mounted thereon. Thus, it is often difficult to holster or carry a weapon having such a device attached to it. This presents special problems for law enforcement officers and others. Additionally, the user may not want to use the device during daylight hours, but may want to attach the device to a weapon at night. Further, the user may want to be able to readily remove the device when it is no longer needed. Moreover, depending on the configuration of the auxiliary device, the user may need to replace its batteries. Preferably, the user should be able to perform this procedure quickly without the need for tools.
Another problem with conventional auxiliary devices is that the device is often wider than the weapon, or the device protrudes beyond the front end of the weapon. In the case of handweapons, a device mounted below the frame may protrude below the trigger guard. These characteristics often result in subjecting the auxiliary device to greater wear and tear because the auxiliary device often contacts various obstructions in the environment where the weapon is being used. For instance, a device extending beyond the end of a barrel of a weapon may collide with doorways, clothing, tree branches, or other objects, tending to tear the device apart from the weapon and possibly damaging, or rendering inoperable, the device or the weapon itself. Another problem is that an assailant may more easily disarm a user by grabbing an auxiliary device which extends substantially beyond the weapon. The danger of these and other problems occurring are greater at night or when ordinary vision is impaired.
Additionally, many prior auxiliary devices, especially illuminators, are bulky. This characteristic also is undesirable.
U.S. Pat. No. 5,430,967 addresses some of these issues for an auxiliary device for a weapon. The device described therein is provided with a clamping mechanism for attaching an auxiliary apparatus to a weapon having a frame. The clamping mechanism has projections which are biased by a flexible member toward corresponding recessed portions formed in the frame of the weapon. A retaining member is also provided. The retaining member may be moved between an open and a closed position. While the'967 Patent overcomes some of the problems traditionally associated with the attachment of an auxiliary device to a weapon, it too leaves room for improvement.
For example, the existence of a flexible biasing mechanism results in the auxiliary device being somewhat flexibly attached to the weapon. This flexible attachment is not ideal in some circumstances, for example, for use with auxiliary devices requiring precise boresight alignment. Also, the attachment mechanism is relatively bulky, causing the auxiliary device to be relatively wider, resulting in an increase in the size of the device in at least one dimension. Moreover, the engagement of portions of the auxiliary device with the corresponding portions of the weapon is limited by the degree of flexibility of the flexible mechanism. Furthermore, the spring-loaded mechanism also limits the biasing force holding the auxiliary device to a weapon. As a result, this attachment approach may be successful on weapons, such as handweapons, which have relatively modest recoil forces, but may be somewhat less successful on other weapons, such as shotguns, where the greater recoil forces may cause the auxiliary device to dislodge from the weapon.
While lights and other devices primarily have been mounted to weapons, many weapons are not specifically designed to facilitate this. As a result, special brackets and other mounting devices often need to be used. Some weapons have mounting racks, but various drawbacks exist even with these types of devices. In many cases, it is difficult to mount a device to the weapon and/or complex mechanical structures are necessary.
Other problems and drawbacks with prior approaches exist.
SUMMARY OF THE INVENTION
One object of the invention is to overcome these and other drawbacks of known devices.
Another object of the invention is to provide a weapon and auxiliary device system that includes complementary mounting members on the weapon and on the auxiliary device to enable the auxiliary device to be easily and securely attached to the weapon, for example, by relative sliding movement.
Another object of the invention is to provide a weapon and auxiliary device system that includes complementary mounting members on the weapon and on the auxiliary device to enable the auxiliary device to be easily and securely attached to the weapon, for example, by relative sliding movement to a predetermined position, and which further includes a mechanism to fix the auxiliary device in the predetermined position.
Another object of the present invention is to provide an auxiliary device such as an illuminator or aiming light, or combination thereof, with a mechanism for attaching the device to a weapon and particularly a handweapon, such that the actual attachment or removal can be accomplished by a user with one hand, while the second hand is free to grip the weapon.
Another object of the invention is to provide a mechanism for attaching an auxiliary device to a weapon such that the device will maintain or better maintain boresight alignment even after the shocks of repeated weapon fire recoils.
Another object of the invention is to provide a mechanism for mounting an auxiliary device to a weapon without temporary or permanent disassembly or removal of any parts from the weapon to which the device is attached.
Another object of the invention is to reduce or minimize the size of an auxiliary device, for example, by providing an auxiliary device which may be attached to the frame of a weapon such that when the device is attached to the weapon, protrusion of the device beyond the overall dimensions of the weapon is reduced or minimized. Preferably, the width of

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