(under the class definition) Devices relating to the joint between the latch operating spindle and the rollback.
(1) Note. The operating knob or handle and the spindle may be an integral unit, and the spindle-rollback joint may be claimed as a means for preventing the separation of this unit from the latch.
(2) Note. The assembly and/or the fastening of the knob or handle upon the spindle may fasten the spindle to the
rollback.
SEE OR SEARCH THIS CLASS, SUBCLASS:
348+, for the joints between the knob or handle with the latch spindle and see notes (1), (2), supra.
SEE OR SEARCH CLASS 70, Locks,
380, for similar connections between lock rollbacks and their operating spindles.
403, Joints and Connections,
230+, for joints of general application between a rod and a base, plate or head.