Weapon handgrip safety alarm
First Claim
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1. A safety alarm for a hand gun comprising:
- a gun body having a hand grip,a cavity in said hand grip,a removable cover on said body closing said cavity,a battery mounted on said body within said cavity,an audible alarm mounted on said body within the cavity,an electric circuit connecting said alarm to said battery,a switch in said circuit having normally open switch contacts within said cavity, which, when closed, complete the circuit from said battery to said alarm to sound the alarm,one of said contacts being fixed within said cavity and the other of said contacts being in the form of a leaf spring having one end portion fixed within said cavity and the other end portion spaced from said one contact in the normal unstressed condition of said spring, andactuating means for closing said contacts,said actuating means comprising an elongated plunger having a first end secured to said other end portion of said leaf spring,an aperture in said cover,said plunger extending slidably through said aperture and having a second end projecting beyond said hand grip to a position adapted to be engaged and depressed by the hand of a person gripping the hand grip, thereby moving the plunger inwardly relative to said cavity and causing the said other end portion of said leaf spring to engage said one contact.
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Abstract
A safety alarm for a weapon such as a hand gun is provided that is mounted in the hand grip of the weapon to warn of possible impending use by either an authorized or an unauthorized person. The safety alarm is mounted within the hand grip and has an alarm connected electronically to a battery in a normally open circuit that is closed only when a switch within the circuit is activated. In one embodiment the switch is in the form of a plunger that extends outside of the grip and is engaged by the hand to be depressed to connect two electronic contacts to complete the circuit and sound the alarm. In another embodiment the switch is in the form of a motion detector such as a mercury switch so that when the weapon is moved from one position in which the circuit is normally opened, the circuit is closed to connect the alarm to the battery and sound the alarm.
29 Citations
2 Claims
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1. A safety alarm for a hand gun comprising:
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a gun body having a hand grip, a cavity in said hand grip, a removable cover on said body closing said cavity, a battery mounted on said body within said cavity, an audible alarm mounted on said body within the cavity, an electric circuit connecting said alarm to said battery, a switch in said circuit having normally open switch contacts within said cavity, which, when closed, complete the circuit from said battery to said alarm to sound the alarm, one of said contacts being fixed within said cavity and the other of said contacts being in the form of a leaf spring having one end portion fixed within said cavity and the other end portion spaced from said one contact in the normal unstressed condition of said spring, and actuating means for closing said contacts, said actuating means comprising an elongated plunger having a first end secured to said other end portion of said leaf spring, an aperture in said cover, said plunger extending slidably through said aperture and having a second end projecting beyond said hand grip to a position adapted to be engaged and depressed by the hand of a person gripping the hand grip, thereby moving the plunger inwardly relative to said cavity and causing the said other end portion of said leaf spring to engage said one contact.
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2. A safety alarm for a hand gun comprising
a gun body having a hand grip, a cavity in said hand grip, a battery mounted on said gun body within said cavity, an audible alarm mounted on said body within the cavity, an electric circuit connecting said alarm to said battery, a switch in said circuit comprising an elongated tube affixed within said cavity, said tube having a first end and a second end and a longitudinal axis which is horizontal in a particular position of the hand gun, a drop of mercury in said tube, said switch having a first pair of spaced apart, normally open, switch contacts extending into the first end of said tube and a second pair of spaced apart, normally open, contacts extending into the second end of said tube, said drop of mercury being movable in said tube to one end thereof or the other to bridge said first or said second pair of contacts and close the circuit when said tube is oriented otherwise than horizontally during handling of the gun, said first or said second pair of contacts, when closed, completing the circuit from said battery to said alarm to sound the alarm, and a recess midway between the ends of said tube to receive the drop of mercury when the tube is horizontal.
Specification
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Current AssigneeJames K. Hall
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Original AssigneeJames K. Hall
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InventorsHall, James K.
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Primary Examiner(s)Swarthout, Brent A.
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Assistant Examiner(s)WONG, ALBERT KANG
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Application NumberUS08/344,945Time in Patent Office508 DaysField of Search340/571, 340/686, 340/689, 340/652, 42/70.01, 42/1.01, 42/7US Class Current340/571CPC Class CodesF41A 17/20 Grip or stock safeties, i.e...
