Mechanical spring having negative spring stiffness useful in an

Details Mechanical spring having negative spring stiffness useful in an Mechanical spring having negative spring stiffness useful in an

1986-03-26

1988-02-02

Reger, Duane A.

Spring devices

Bendable along flat surface

Bow spring or superposed spring elements

267160, F16F 300

Patent

active

047225173

ABSTRACT:
A mechanical spring with negative spring stiffness adapted for use in an electroacoustic transducer unit for reducing the transducer resonant frequency. The mechanical spring with negative spring stiffness comprises two blade springs having both ends coupled to each other and which, under the influence of a compressive force F which acts in a direction along an imaginary line through both ends of the mechanical spring, are each bent in one of two opposite directions.

REFERENCES:
patent: 2726041 (1955-12-01), Winet
patent: 3175766 (1965-03-01), Pape et al.
patent: 3508020 (1970-04-01), Culver

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