Electric key lock
作者： John A Chaulk , Dautel Ellen Louise
DOI:
关键词: Record locking 、 Cylinder 、 Engineering 、 Computer hardware 、 Key (lock) 、 Electrical control 、 Mechanical engineering
摘要: The present invention is directed to improvements in locks and has particular reference an electrically controlled, key operated lock of the cylinder or pin tumbler type. principal object provide a electrical control means which precludes the...
lens.org 参考文章(2)
Tibbetts Milton, Motor vehicle latch ,(1934)
Francis D Hardesty, Locking device for automotive vehicles ,(1926)