US1454183A - Theft alarm - Google Patents

Description

J. H. MINER May 8, 1923.

THEFT ALARM I Filed "June '15, 1921 gwvem-foz JH. Minermw gmmuwnwwl ments in theft JAMES H. MINER,

or MERIDIAN, raissrssrrrr.

riinrr ALARM.

Application filed June 15, 1921. Serial 110.477,?94,

To all whom it may concern.

Be it know citizen of the of Meridian, in the county of Lauderdale.

Mississippi, t-ain new and useful Theft Alarms, of which 5 and State of specification.

My present able or port scribed herein as an alarm I motor vehicles, is capable of the theft of n that I, JAMES H. Minna, a United States, and resident have invented cer- Improvements in the following is a invention relates to improvepreventing alarms formovable devices, and. while defor preventing use in many situations.

economical,

The invention aims to provide a simple,

durable and eificient device which may be manufactured and-sold as a unitary article and which applied by the may be readily purchaser to his vehicle, and

which when so applied will be easily operated to render it inaudible when the ve hicle is used set in sound against theft.

by an authorized person, or producing condition to guard I have also aimed to provide a device which will and of the fewest possible parts,

moving the 1 of parts hereinafter 5 larly defined by the e cost of production and reiability of its getting out of appended claims.

An embodiment of my invention is illustrated in the accompanying drawings, in

which Figure l is Fig. 2 is a ber locked in Referring drawing, the able box or alarm with the frontcasing show operating parts, and

an elevation of my improved removed to view with the sounding meminaudible position.

by reference characters to this numeral 1 designates a suitcase designed to contain the render it audi Within the b ble or inaudible.

0x or casing and supended vehicles an inclosing soundmetal,

a bell. Such hard I prefer to use a sindicated at 3, and mount these so as to be vertically movableunder the .jars or vibrationsof the body which occur when the vehicle, or other devic is carried, is in motion. knockers are suspended from the case by sensitive helical The sounding board orbell is capable of vertical adjustment so that it can be positioned at the will of. the operator so as to be just clear of the knockers or clappers, as shown in Fig. l, or to press against the same and hold the shown in Fig.2.

In the former position,

Preferably the the topwall of springs 4.

plurality of knockers,

object,

such sounding member e by which the alarm. If i springs in compression, as

and ence strike the sounding member 2 and emit the alarm. In the latter position, however, the

knockers will be ing board by the be produced.

convenient manner of supporting the sounding board is to support it from a p 4: vertically movable through the'top of the case or box, which is provided with ing means indicated conventionally at 5, by which the ,parts may be locked in either of the two positions desired. 5 7 Means may be provided, if desired, to prevent side swing ofthe knockers, in the shape of partitions 6.

Having "thus described my what I claim is:

1. In an automatic pressed against the Soundsprings and no sound will theft alarm for motor casing, a horizontally disposed sounding member located therein, a knoclrer element located in proximity to said sounding member, and a helical sp invention, a

gated member, and locking means for sounding against such relatwe holding said knocker movement.

2. In an automatic f alarm, an eloncasing, a horizontally disposed sounding plateclisposecl in the lower part thereof, a plurality of helical springs clepencling from the top of the casing, knocker elements carried by the lower encls of said springs in proximity to saicl sounding plate, and means for ,moving saictplate vertically to press it against said sounding element ancl for locking it in. such position.

Tln testimony whereof, I affix my signature.

JAMES H. RENEE.

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