Firearms – Safety mechanism – Trigger lock
Patent
1998-06-04
1999-08-03
Jordan, Charles T.
Firearms
Safety mechanism
Trigger lock
42 7011, F41A 1746
Patent
active
059309296
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a handgun, comprising a grip, a slide, a trigger device having a trigger and a trigger safety lock. These may be handguns with the capability of switching to rapid fire and machine pistols with triggers of the single action, double action and double action only types, including those with a partially cocked modification. The important factor in the case of such weapons is, to a particularly stringent extent, rapid and simple operation, with maximum safety.
In the case of handguns of this generic type that already exist, the safety lock of the trigger mechanism or of the trigger linkage is located at the side on the rear part of the grip or, generally, is not in the region of the trigger and in most cases is on only one side. This is inconsistent with quick, simple operation.
U.S. Pat. No. 4,471,551 A discloses a safety locking apparatus for rifles, which acts on the firing pin, on the breech action and also on the trigger. In the case of this safety locking apparatus, vertically moving safety locking elements are admittedly arranged above the trigger device. However, owing to the multiple function, this is an apparatus which comprises a large number of parts and is thus susceptible to defects and, owing to the physical height required and the typical trigger apparatus there, is suitable only for rifles. In the case of handguns, any excessive distance between the grip and the barrel axis leads to the weapon tipping upward.
WO 95/16179 discloses a pistol having a trigger safety lock, which has a vertically guided element. Apart from the only indirect relationship between the safety lock and the trigger for kinematic reasons, the arrangement of the safety locking element in front of the trigger guard is impractical since, in fact, this region is used to support the index finger of the supporting hand for two-handed firing. This would result in inadvertent application of the safety lock in the event of two-handed operation. For ergonomic reasons, arming cannot be carried out by forward pressure with the trigger finger, but only by gripping the weapon. In addition, it is impossible to insert the weapon into a holster in the armed state, since it would be made safe again during insertion. This trigger safety lock is thus also inconsistent with quick, simple operation and introduces a risk of operating errors.
The aim of the invention is thus to propose a simple, reliable and ergonomically correct trigger safety lock. In particular, it is intended to be operable equally well by left-handed and right-hand people using the weapon, and with as few actions as possible, and to lie well in the hand when firing as well.
According to the invention, this is achieved by the trigger safety lock being formed by a safety locking element which moves essentially vertically above the trigger device in the grip, which safety locking element, catch on the trigger, trigger, positions, and grip by a spring-loaded lock.
Owing to this method of operation and the shape resulting from it, the physical height required for the safety locking element is only small, so that the vertical distance between the slide and the trigger apparatus is sufficient. By virtue of its arrangement above the trigger apparatus, it can act by means of the hook directly on the trigger irrespective of whether the latter is designed as a horizontally moving slide or as a "tongue". In consequence, the apparatus is particularly simple, and thus cheap and reliable.
That part of the safety locking element which projects in front of the trigger not only indicates the safety status visibly and tactilely, but also satisfies all the ergonomic requirements and allows safe, quick operation. The weapon is armed just by exerting upward pressure with the trigger finger on the lower part of the safety locking element, irrespective of whether this now extends downward or on both sides to the side into the vicinity of the trigger and, immediately after this, the same figure can operate the trigger in a deliberately different movement direction. The side
REFERENCES:
patent: 3715826 (1973-02-01), Seifried
patent: 3735519 (1973-05-01), Fox
patent: 4067132 (1978-01-01), Smith
patent: 4151670 (1979-05-01), Rath
patent: 4391058 (1983-07-01), Casull
patent: 4569145 (1986-02-01), Ruger et al.
Buckley Denise J
Jordan Charles T.
Steyr-Daimler-Puch Aktiengesellschaft
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