US1342863A - Sounding signaling device - Google Patents

Description

J. P. NIKONOW.

SOUNDING SIGNALING DEVICE.

APPLICATION FILED AUG.6. 1919.

1,342,863. Patented June 8, 1920.

WITNESSES 11v VENTUR.

UNITED STATES PATENT OFFICE.

JOHN P. NIKONOW, OF NEW YORK, N. Y.

SOUNDING SIGNALING DEVICE.

Application filed August 6, 1919.

To all whom it may concern Be it known that I, JOHN P. Ninonow, citizenof Russia, and resident of New York city, in the county of New York and State of New York, have invented certain new and useful Improvements in Sounding ignaling Devices, of which the following is a specification.

My invention relates to the signaling devices, in which sound is produced by the vibrating diaphragm, and has a particular reference to the mechanisms, in which the diaphragm is subjected to the blows from hammers, loosely attached to the rotary shaft.

My mechanism represents an improvement over the existing types in that the force of the blows and the intensity of the sound depends on the speed of the rotation of the shaft. No sound is produced at very slow speeds, and there is very little resistance to the motion at start.

My invention is more fully explained in the accompanying specification and drawing, in which- Figure 1 is a sectional elevation of my device, and Fig. 2 is a plan view of the shaft with the hammers.

My device consists of a diaphragm l, attached to a suitable drum or housing 2, which may be further placed inside of a housing 3. The shaft 4 is rotated in a proximity to this diaphragm, carrying one or more of the hammers or ring shaped weights 5, pivoted on the eccentric shafts 6. The inside diameter of the rings 5 is larger, than the outside diameter of the shafts 6, and the shafts are placed in such a way, that these weights can strike the diaphragm only when they are thrown outward by the Specification of Letters Patent.

Patented June 8, 1920.

Serial No. 315,731.

centrifugal force. In case of a horizontal shaft, the weights would not even touch the diaphragm, until the speed becomes suf ficiently high.

The rotation may be imparted by the electric motor 7.

Fig. 1 shows a very desirable arrangement of an inclined diaphragm inside of a drum 3, which permits the use of a horizontal motor inside of a horizontal tube 3.

Important advantages of my device are, that a comparatively small electric motor can be used, as all the force for striking diaphragm is derived from the speed of 1-0 tation and not from direct torque of the motor, as required to overcome the resilient resistance of the diaphragm in other types of such devices. For this reason also a comparatively heavy diaphragm can be used without any reinforcements at the point of contact with the hammers.

Inclined position of the diaphragm allows a very compact and efficient arrangement of the mechanism.

I claim as my invention:

In a sounding signaling device, the (rink bination with a tubular housing closed on one end and open on the other, an electric motor located near the closed end inside and coaxially with said housing, an eccentric on the end of the shaft of said motor, and a sounding diaphragm fastened inside of said housing near its open end at a sufiiciently large angle with the shaft of said motor so as to be actuated by said eccentric.

Signed at New York, in the county of New York and State of New York. this 31st day of July, A. I). 1919.

JOHN P. NIKONOlV.

Images