Filter frame

摘要

A filter frame for holding a filter provided with a plurality of folds so as to alternately form ridges and troughs includes: a first frame portion including a first holding portion, having a side corresponding to a first side of the filter, for holding the filter; a positioning portion, provided on the first holding portion, for determining a position of the filter; and a second frame portion including a second holding portion for holding the filter by sandwiching the filter between the first and second holding portions. The second holding portion is provided so as to be capable of opposing the first holding portion via the filter and has a side corresponding to a second side of the filter.

主权项

1. A filter frame for holding a filter, the filter frame comprising:
a first frame portion including a first holding portion, having a first side portion corresponding to a first side of the filter, for holding the filter, a first plurality of ridges and troughs being formed on the first side portion; a second frame portion including a second holding portion, having a second side portion corresponding to a second side of the filter that is a back surface of the first side of the filter, for holding the filter by sandwiching the filter between the first and second holding portions so as to oppose the first holding portion via the filter, a second plurality of ridges and troughs being formed on the second side portion complementarily to the first plurality of ridges and troughs formed on the first side portion; and a hinge portion, rotatably connecting the first frame portion and the second frame portion.