| 摘要 |
A binder cover restraining member comprises a central, one piece, restraining strut portion and cover mounting portions formed by inner and outer retention shoulders held spaced apart in opposed relation by a narrow neck portion, at respective opposite ends thereof. The cover members are formed with pairs of aligned keyhole mounting slots extending adjacent free edges thereof remote from the spine. Endmost retention shoulders can be pushed from inside the cover members through the wide slot portions and along the slots into the narrow retention portions so that inner and endmost retention shoulders engage respective opposite surfaces of the cover members retaining respective neck portions extending therethrough so that the strut extends between the inside surfaces of respect cover members to retain them in closed condition spaced apart in parallel relation.
|
