Collapsible headphone structure

Details Collapsible headphone structure Collapsible headphone structure

1985-03-21

1986-07-01

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

2209, 179156R, H04R 2500

Patent

active

045974691

ABSTRACT:
A headphone structure comprises a pair of headband arms, a pair of phone units having joint arms, a first joint member for pivotally connecting the pair of headband arms, and a pair of second joint members for pivotally connecting the pair of phone units through their joint arms to the pair of headband arms, respectively. The headband arms and the phone units are collapsible via the first joint member and the second joint members. Rotational paths of the second joint members are included in a single plane. On the other hand, a rotational path of the first joint member is perpendicular to the single plane.

REFERENCES:
patent: 1395864 (1921-11-01), Pape
patent: 1699127 (1929-01-01), Wacker

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