(under subclass 453) Device wherein the closure guiding structure includes a stationary guiding surface to confine the closure during its reciprocation, and wherein the surface is mounted for repetitive movement without disassembly to permit removal of the closure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194+, for a fixed guide which is movably mounted to permit a closure to have a movement in addition to reciprocation.
316+, for a guiding surface moved by an operator.
414+, for a biased guiding surface, movable against the
biasing force to permit removal of the closure.
428+, for a spring guiding surface which is deflectable to permit removal of the closure.