Loading and unloading attachments to track, such as curtain attachments, on or from a track by means of loading element held to part of track by biased securing elements

摘要

In order to load and unload attachment elements such as curtain attachments to and from the channel of track 10 receiving member 11 is disposed in track 10 and has one or more securing device(s), typically in the form of pins 14a-14d. The pin(s) is/are biased to a locking position by spring(s) 60. Loading/unloading cassette 30 has engagement slot(s) to removably engage with devices 14a-14d by a single operator movement. Optionally loading/unloading may be performed by tool 50 typically mounted on a pole (not shown).