公开(公告)号：US4770014A

公开(公告)日：1988-09-13

申请号：US118147

申请日：1987-11-06

Applicant: Oswald Knauer

Inventor： Oswald Knauer

IPC: E05B15/16 ,  E05B19/00 ,  E05B27/06

CPC classification number: E05B19/0017 ,  E05B15/1614 ,  E05B19/0047 ,  Y10T70/7565 ,  Y10T70/7605 ,  Y10T70/7842 ,  Y10T70/7881 ,  Y10T70/7932 ,  Y10T70/8595 ,  Y10T70/8622

Abstract: A lock has an outer casing and a lock cylinder rotatably mounted therein and having a coaxial keyway of round cross section plus several rows of radial bores to accommodate the tumblers and their springs, and also has a key which has notches on its outside profile for the engagement with the tumbler. The key has an equilateral polygonal bit cross section which matches the cross section of the keyhole in the front wall of the lock casing as well as a coaxial opening in the lock cylinder bottom, these cross sections of the keyhole and bottom opening being angularly offset from one another. The tip of the key bit has ramp surfaces corresponding to the rows of the tumblers, ascending toward the handle of the key and terminating each at one polygon face for the purpose of raising the tumblers, and the rows of notches are disposed between the polygon faces. The axial length of the polygonal cross section of the key is not greater than the length of the keyway in the lock cylinder and the adjoining portion of the key shaft is able to turn in the keyhole.

Abstract translation: 锁具有可旋转地安装在其中的外壳和锁芯，并且具有圆形横截面的同轴键槽和几排径向孔以容纳翻转开关及其弹簧，并且还具有在其外部轮廓上具有凹口的键 与滚筒接合。 键具有与锁定壳体的前壁中的键孔的横截面以及锁芯底部的同轴开口相匹配的等边多边形横截面，键孔和底部开口的这些横截面成角度地偏离 另一个。 键头的尖端具有对应于翻转开关的行的斜面，上升到键的手柄，并且在一个多边形面上终止，以便提升翻转开关，并且凹口行设置在多边形面 。 键的多边形横截面的轴向长度不大于锁芯中的键槽的长度，并且键轴的相邻部分能够在锁孔中转动。