n. a turn device in the general shape of an "L" used on certain locks and latches, as an alternate to a knob for ease of use
bar for operating the latchbolt of a lock.
Door furniture for use as an alternative to a knob for operating the latch of a lock. Lever handles can be springloaded or non-springloaded. Springloading ensures the handle returns to the horizontal position after use. Non-springloaded handles rely on the springing in the lock.