Abstract A vehicle switching arrangement comprises an overhead monorail guideway that includes a mainline section and a diverging section merging with the mainline section to define a switching station. In addition, a bogie unit is arranged for rollable transport along the guideway and includes port and starboard main wheels rollably engaging the guideway. The bodie unit also includes a guide arrangement for selectively acting against the guideway to load either the port or the starboard main wheels in excess of the normal vehicle load thereof for establishing a vehicle heading through the switching station. Furthermore, stationary fail-safe cams are provided on the guideway to cooperate with cam followers carried by the bogie unit for ensuring safe transit through the switching station in the event of malfunction.
A vehicle switching arrangement comprising: overhead monorail guidway means including a mainline section and a divergent section merging with said mainline section, the confluence of said sections defining a switching station, said guideway means further including substantially vertically disposed steering blade means having laterally outwardly facing steering surfaces, said guideway means further including substantially vertically disposed cam blade means located upstream from said steering surfaces; and bogie means arranged for rollable transport along said guidway means, including lower guide wheel means swingably situatable into guiding engagement with a said steering surface for directing transit of said bogie means through said switching station, said lower guide wheel means including a lower guide wheel for coaction with said steering surfaces and a pair of cam followers mounted respectively outboard of said lower guide wheel for engagement with said cam blade means for directing transit of said bogie means through said switching station.
Claim 2
Dependent Claim
150 words
A vehicle switching arrangement comprising: overhead monorail guidway means including a mainline section and a divergent section merging with said mainline section, the confluence of said sections defining a switching station, said guideway means further including substantially vertically disposed steering blade means having laterally outwardly facing steering surfaces, said guideway means further including substantially vertically disposed cam blade means located upstream from said steering surfaces; and bogie means arranged for rollable transport along said guidway means, including lower guide wheel means swingably situatable into guiding engagement with a said steering surface for directing transit of said bogie means through said switching station, said lower guide wheel means including a lower guide wheel for coaction with said steering surfaces and a pair of cam followers mounted respectively outboard of said lower guide wheel for engagement with said cam blade means for directing transit of said bogie means through said switching station.
Claim 3
Dependent Claim
15 words
A vehicle switching arrangement according to claim 1 wherein said cam followers are cam rollers.
Claim 4
Dependent Claim
16 words
A vehicle switching arrangement according to claim 1 wherein said cam blades are constant acceleration cams.