Multiple pitch threaded fastener apparatus

作者： L. Richard Poe

DOI:

关键词: Engineering 、 Actuator 、 Fastener 、 Barrel (horology) 、 Coupling (piping) 、 Structural engineering 、 Threaded fastener 、 Collar 、 Mechanical advantage

摘要: A fastener apparatus having a bolt member with fast lead threaded portion, barrel fine collar interposed between the and including both threads to mesh respective on barrel, an actuator for coupling two of three members together so that in one instance is drawn rapidly through significant distance second providing additional mechanical advantage.