.~.~.~ With means to force against mount or support
DEFINITION
Classification: 160/209
(under subclass 201) Devices having some means to force the unit against the structure on which it is mounted or supported and usually in a direction away from the track.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194+, where the track is movably mounted for this purpose.
206+, for such means for devices having constrained pivotal motion.