Title:
LOCK APPARATUS
Document Type and Number:
Japanese Patent JPS62194374
Kind Code:
A
Abstract:
A locking device comprises an outer cylinder provided with a clutch bar engaging groove extending longitudinally along its inner surface, an inner cylinder contained and arranged within the outer cylinder, a clutch bar arranged between the outer and inner cylinders for removable engagement with the aforementioned engaging groove at one side and a plurality of discs within the inner cylinder and arranged reciprocally in the orthogonal direction to the clutch bar. Each of the discs is provided with a slit-shaped key hole, on the corner portion of which projections having depths and inclined angles conforming to inclined notches of a key are formed. On each disc, by cutting one side thereof, there is also formed a recess removably engaging the other side of the clutch bar, and a spring is connected to the other side of each disc to bias the recess in a direction of non-alignment with the position of the clutch bar.
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Inventors:
NAKAI HATSUO
Application Number:
JP3613386A
Publication Date:
August 26, 1987
Filing Date:
February 19, 1986
Export Citation:
Assignee:
CLOVER CO LTD
International Classes:
E05B29/00; E05B29/02; E05B29/04; (IPC1-7): E05B29/02
Domestic Patent References:
| JPS5848714A | 1983-03-22 | |||
| JPS54131499A | 1979-10-12 |
Attorney, Agent or Firm:
Yumitsu Suzuki