Tapered lobular driver and fastener
作者： Richard W. Lukes
DOI:
关键词:
摘要: A torque transmission driver has a first end portion adapted to receive and transmit from generation source, second including shaped tapered bit having drive surfaces with an alternating series of five or six lobes troughs about rotational axis, taper angle between 15 45 the axis operable engage corresponding in plurality at least two size fasteners, comprising sized fastener fastener, being larger than fastener.
lens.org 参考文章(36)
Henry F Phillips, Means for uniting a screw with a driver ,(1934)
Katsumi Shinjo, Driver bit for a recessed screw ,(1995)
James S. Lee, Eagle wing tips tamper-proof fastener and driver tool ,(1995)
Bernard F Reiland, Coupling arrangement and tools for same ,(1969)
Peter Constantine Chaconas, Hex head wrench ,(1997)
Donald DiGiovanni, Threaded fastener removing tool ,(1984)
Balasingam Karupaya, Screw head recess drive and corresponding driver tool and recess punch ,(2008)
Matt F. Surowiecki, Wallboard screw with bi-tapered socket for receiving a bi-tapered screw driver tip ,(2006)
Randy Luzum, Doug Osborn, Mark Theismann, Richard W. Lukes, Robert Smith, Donald K. Blaess, Negative drive angle ,(2012)
George S Wing, Screw and screw driver coupling ,(1959)