摘要 |
An instrument housing comprising a first portion having a wedge form, a third portion having a wedge form, a second portion between the first portion and the third portion, a first hinge portion between the first portion and the second portion, the first hinge portion extending normal to a major axis A-A, a second hinge portion between the second portion and the third portion, the second hinge portion extending normal to a major axis A-A, and the second portion having a portion for receiving an instrument.
|