摘要: The invention provides a system for propelling individual carriages (1) along an endless path (2) from first speed abutted in stack carriage collection section (41) to second spaced apart operational (42) and third forming (43) where the return stack. Novel (7 Fig. 2) are propelled by linear motor wherein each has attached synchronous (3) hysteresis (4) secondary. A primary (5) positioned adjacent one part of develops electromagnetic waves engaging secondaries provide controlled spacing carriages, (6) another other abutting carriages.
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