.~.~.~ With selectively engaging projections and recessions
DEFINITION
Classification: 248/496
(under subclass 495) Subject matter including a plurality of notches or holes into which a projection is selectively insertable to adjust the position of the mirror or picture.
(1) Note. This subclass 496 includes patents to devices where a hook may selectively be inserted into links or a chain or to a device where a cord (considered a projection here) is selectively placed in notches.
SEE OR SEARCH THIS CLASS, SUBCLASS:
477+, for brackets which are adjusted by selectively engaging projections or recessions.
492, for suspended picture supports where a cord is wound on a reel, with a ratchet and pawl adjustment.