(under subclass 453) Device wherein the closure guiding structure includes a stationary guideway to confine the closure during its reciprocation and wherein the guideway is mounted for ready disjointure or removal from its support to permit removal of the closure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194, for a fixed guide which is removable to permit a closure to have a movement in addition to reciprocation.
454, for a slide movable with a closure in its reciprocation and removable from the closure to permit removal of the closure from the frame.