Electromechanical warning horn system
AssigneeFabbrica Italiana Accumulatori Motocarri
InventorBruno Viero
Life of this patent
Estimating the term…
Abstract
An electromechanical warning horn system comprising a hollow body (2) having a cylindrical wall (8) closed by a bottom wall (9) and a flanged edge (12), at least a bobbin (3) abutting on said bottom wall (9); an elastic membrane (6), provided with at least a mobile core (7) fixed to said flanged edge (12), at least a contact breaker (4) constituted by a support (22) and a spring (23) provided with electric contacts (27, 28), and an insulating plate (5) sandwiched between said support (22) and said spring (23), and provided with at least a layer (31, 32) of resistive silk-screen ink.
Claims7
An electromechanical warning horn system comprising:
- a hollow body (2) whose wall comprises a first cylindrical part (8) closed by a bottom wall (9), a second flat part (10), a third cylindrical part (11) and a flanged edge (12);
- at least an electric bobbin (3) abutting on said bottom wall (9);
- an elastic membrane ((6), provided with at least a mobile core (7), fixed to said edge flange-shaped edge (12) of said hollow body (2);
- at list a contact breaker (4) comprising a support (22), a spring (23) provided with electric contacts (27, 28) and an insulating plate (5) sandwiched between said support (22) and said spring (23) characterized in that said insulating plate (5) is provided with at least a layer (31, 32) of resistive silk-screen ink.
The electromechanical warning horn system according to any of the preceding claims, characterized in that said insulating plate (5) is preferably made from bakelized cloth.
Dependencies are inferred from the claim text.